From d5cbe10c0e2298b0e40161607a3da158249bdb82 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Tue, 4 Dec 2018 10:18:33 +0100 Subject: Move python stuff to folder --- README.md | 6 +- dpd/README.md | 264 - dpd/apply_adapt_dumps.py | 75 - dpd/dpd.ini | 60 - dpd/img/setup_diagram.svg | 395 - dpd/img/setup_photo.svg | 184 - dpd/img/shoulder_measurement_after.png | Bin 368619 -> 0 bytes dpd/img/shoulder_measurement_before.png | Bin 381174 -> 0 bytes dpd/iq_file_server.py | 120 - dpd/lut.coef | 64 - dpd/main.py | 336 - dpd/poly.coef | 12 - dpd/show_spectrum.py | 276 - dpd/src/Adapt.py | 286 - dpd/src/Dab_Util.py | 246 - dpd/src/ExtractStatistic.py | 196 - dpd/src/GlobalConfig.py | 108 - dpd/src/Heuristics.py | 56 - dpd/src/MER.py | 132 - dpd/src/Measure.py | 136 - dpd/src/Measure_Shoulders.py | 158 - dpd/src/Model.py | 32 - dpd/src/Model_AM.py | 122 - dpd/src/Model_Lut.py | 60 - dpd/src/Model_PM.py | 124 - dpd/src/Model_Poly.py | 101 - dpd/src/RX_Agc.py | 166 - dpd/src/Symbol_align.py | 193 - dpd/src/TX_Agc.py | 131 - dpd/src/__init__.py | 0 dpd/src/phase_align.py | 98 - dpd/src/subsample_align.py | 111 - dpd/store_received.py | 85 - gui/README.md | 45 - gui/api/__init__.py | 132 - gui/configuration.py | 44 - gui/dpd/Align.py | 166 - gui/dpd/Capture.py | 253 - gui/dpd/__init__.py | 93 - gui/logs/.keep | 0 gui/run.py | 166 - gui/static/css/bootstrap.min.css | 5 - gui/static/css/jquery.gritter.css | 100 - gui/static/dpd/index.txt | 1 - gui/static/fonts/accept.png | Bin 1202 -> 0 bytes gui/static/fonts/favicon.ico | Bin 318 -> 0 bytes gui/static/fonts/glyphicons-halflings-regular.eot | Bin 20127 -> 0 bytes gui/static/fonts/glyphicons-halflings-regular.svg | 288 - gui/static/fonts/glyphicons-halflings-regular.ttf | Bin 45404 -> 0 bytes gui/static/fonts/glyphicons-halflings-regular.woff | Bin 23424 -> 0 bytes .../fonts/glyphicons-halflings-regular.woff2 | Bin 18028 -> 0 bytes gui/static/fonts/gritter-light.png | Bin 4899 -> 0 bytes gui/static/fonts/gritter.png | Bin 4880 -> 0 bytes gui/static/fonts/ie-spacer.gif | Bin 43 -> 0 bytes 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python/dpd/main.py | 338 + python/dpd/poly.coef | 12 + python/dpd/show_spectrum.py | 276 + python/dpd/src/Adapt.py | 286 + python/dpd/src/Dab_Util.py | 246 + python/dpd/src/ExtractStatistic.py | 196 + python/dpd/src/GlobalConfig.py | 108 + python/dpd/src/Heuristics.py | 56 + python/dpd/src/MER.py | 132 + python/dpd/src/Measure.py | 136 + python/dpd/src/Measure_Shoulders.py | 158 + python/dpd/src/Model.py | 32 + python/dpd/src/Model_AM.py | 122 + python/dpd/src/Model_Lut.py | 60 + python/dpd/src/Model_PM.py | 124 + python/dpd/src/Model_Poly.py | 101 + python/dpd/src/RX_Agc.py | 166 + python/dpd/src/Symbol_align.py | 193 + python/dpd/src/TX_Agc.py | 131 + python/dpd/src/__init__.py | 0 python/dpd/src/phase_align.py | 98 + python/dpd/src/subsample_align.py | 111 + python/dpd/store_received.py | 85 + python/gui/README.md | 45 + python/gui/api/__init__.py | 132 + python/gui/configuration.py | 44 + python/gui/dpd/Align.py | 166 + python/gui/dpd/Capture.py | 253 + python/gui/dpd/__init__.py | 93 + python/gui/logs/.keep | 0 python/gui/run.py | 166 + python/gui/static/css/bootstrap.min.css | 5 + python/gui/static/css/jquery.gritter.css | 100 + python/gui/static/dpd/index.txt | 1 + python/gui/static/fonts/accept.png | Bin 0 -> 1202 bytes python/gui/static/fonts/favicon.ico | Bin 0 -> 318 bytes .../static/fonts/glyphicons-halflings-regular.eot | Bin 0 -> 20127 bytes .../static/fonts/glyphicons-halflings-regular.svg | 288 + .../static/fonts/glyphicons-halflings-regular.ttf | Bin 0 -> 45404 bytes .../static/fonts/glyphicons-halflings-regular.woff | Bin 0 -> 23424 bytes .../fonts/glyphicons-halflings-regular.woff2 | Bin 0 -> 18028 bytes python/gui/static/fonts/gritter-light.png | Bin 0 -> 4899 bytes python/gui/static/fonts/gritter.png | Bin 0 -> 4880 bytes python/gui/static/fonts/ie-spacer.gif | Bin 0 -> 43 bytes python/gui/static/fonts/warning.png | Bin 0 -> 1418 bytes python/gui/static/js/bootstrap.min.js | 7 + python/gui/static/js/jquery.gritter.js | 408 + python/gui/static/js/jquery.js | 9205 ++++++++++++++++++++ python/gui/static/js/odr-modulator.js | 80 + python/gui/static/js/odr-predistortion.js | 99 + python/gui/static/js/odr-rcvalues.js | 82 + python/gui/static/js/odr.js | 109 + python/gui/templates/about.html | 65 + python/gui/templates/body-nav.html | 39 + python/gui/templates/head.html | 25 + python/gui/templates/home.html | 35 + python/gui/templates/modulator.html | 73 + python/gui/templates/predistortion.html | 88 + python/gui/templates/rcvalues.html | 48 + python/gui/ui-config.json | 9 + python/gui/zmqrc.py | 84 + 141 files changed, 16082 insertions(+), 16078 deletions(-) delete mode 100644 dpd/README.md delete mode 100755 dpd/apply_adapt_dumps.py delete mode 100644 dpd/dpd.ini delete mode 100644 dpd/img/setup_diagram.svg delete mode 100644 dpd/img/setup_photo.svg delete mode 100644 dpd/img/shoulder_measurement_after.png delete mode 100644 dpd/img/shoulder_measurement_before.png delete mode 100755 dpd/iq_file_server.py delete 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python/gui/templates/body-nav.html create mode 100644 python/gui/templates/head.html create mode 100644 python/gui/templates/home.html create mode 100644 python/gui/templates/modulator.html create mode 100644 python/gui/templates/predistortion.html create mode 100644 python/gui/templates/rcvalues.html create mode 100644 python/gui/ui-config.json create mode 100644 python/gui/zmqrc.py diff --git a/README.md b/README.md index 272ba4d..52c01d0 100644 --- a/README.md +++ b/README.md @@ -34,7 +34,8 @@ Features See doc/README-RC.md for more information - ZeroMQ PUB and REP output. - Ongoing work about digital predistortion for PA linearisation. - See dpd/README.md + See python/dpd/README.md +- Ongoign work for a web GUI. See python/gui/README.md - A prototype algorithm for crest factor reduction. The src/ directory contains the source code of ODR-DabMod. @@ -45,7 +46,8 @@ configuration file and a script for munin integration. The lib/ directory contains source code of libraries needed to build ODR-DabMod. -The dpd/ directory contains the digital predistortion project. It's goal is to reduce distortion that is caused by the non-linearity of the PA. +The python/ directory contains a web-based graphical control interface and +the digital predistortion project. INSTALL ======= diff --git a/dpd/README.md b/dpd/README.md deleted file mode 100644 index 307a2f5..0000000 --- a/dpd/README.md +++ /dev/null @@ -1,264 +0,0 @@ -Digital Predistortion Computation Engine for ODR-DabMod -======================================================= - -This folder contains a digital predistortion prototype. -It was only tested in a laboratory system, and is not ready -for production usage. - -Concept -------- - -ODR-DabMod makes outgoing TX samples and feedback RX samples available to an -external tool. This external tool can request a buffer of samples for analysis, -can calculate coefficients for the predistorter in ODR-DabMod and load the new -coefficients using the remote control. - -The external tool is called the Digital Predistortion Computation Engine (DPDCE). -The DPDCE is written in python, and makes use of the numpy library for -efficient computation. Its sources reside in the *dpd* folder. - -The predistorter in ODR-DabMod supports two modes: polynomial and lookup table. -In the DPDCE, only the polynomial model is implemented at the moment. - -The *dpd/main.py* script is the entry point for the *DPD Computation Engine* -into which these features will be implemented. The tool uses modules from the -*dpd/src/* folder: - -- Sample transfer and time alignment with subsample accuracy is done by *Measure.py* -- Estimating the effects of the PA using some model and calculation of the updated - polynomial coefficients is done in *Model.py* and other specific *Model_XXX.py* files -- Finally, *Adapt.py* updates the ODR-DabMod predistortion setting and digital gain - -These modules themselves use additional helper scripts in the *dpd/src/* folder. - -Requirements ------------- - -- USRP B200. -- Power amplifier. -- A feedback connection from the power amplifier output, such that the average power level at - the USRP RX port is at -45dBm or lower. - Usually this is done with a directional coupler and additional attenuators. -- ODR-DabMod with enabled *dpd_port*, and with a samplerate of 8192000 samples per second. -- Synchronous=1 so that the USRP has the timestamping set properly, internal refclk and pps - are sufficient (not GPSDO necessary). -- A live mux source with TIST enabled. - -See dpd/dpd.ini for an example. - -The DPD server port can be tested with the *dpd/show_spectrum.py* helper tool, which can also display -a constellation diagram. - -Hardware Setup --------------- - -![setup diagram](img/setup_diagram.svg) -![setup photo](img/setup_photo.svg) - -Our setup is depicted in the Figure above. We used components with the following properties: - 1. USRP TX (max +20dBm) - 2. Band III Filter (Mini-Circuits RBP-220W+, 190-250MHz, -3.5dB) - 3. Power amplifier (Mini-Circuits, max +15dBm output, +10 dB gain at 200MHz) - 4. Directional coupler (approx. -25dB @ 223MHz) - 5. Attenuator (-20 dB) - 6. Attenuator (-30 dB) - 7. USRP RX (max -15dBm input allowed, max -45dBm desired) - 8. Spectrum analyzer (max +30dBm allowed) - -It is important to make sure that the USRP RX port does not receive too much -power. Otherwise the USRP will break. Here is an example of how we calculated -the maximal USRP RX input power for our case. As this is only a rough -calculation to protect the port, the predistortion software will later -automatically apply a normalization for the RX input by adapting the USRP RX -gain. - - TX Power + PA Gain - Coupling Factor - Attenuation = 20dBm + 10dB -25dB -50dB = -45dBm - -Thus we have a margin of about 30dB for the input power of the USRP RX port. -Keep in mind we need to calculate using peak power, not average power, and it is -essential that there is no nonlinearity in the RX path! - -Software Setup --------------- - -We assume that you already installed *ODR-DabMux* and *ODR-DabMod*. -You should install the required python dependencies for the DPDCE using -distribution packages. You will need at least scipy, matplotlib and -python-zeromq. - -Use the predistortion ----------------------- - -Make sure you have a ODR-DabMux running with a TCP output on port 9200. - -Then run the modulator, with the example dpd configuration file. - -``` -./odr-dabmod dpd/dpd.ini -``` - -This configuration file is different from usual defaults in several respects: - - * logging to /tmp/dabmod.log - * 4x oversampling: 8192000 sample rate - * a very small digital gain, which will be overridden by the DPDCE - * predistorter enabled - -The TX gain should be chosen so that you can drive your amplifier into -saturation with a digital gain of 0.1, so that there is margin for the DPD to -operate. - -You should *not modify txgain, rxgain, digital gain or coefficient settings manually!* -When the DPDCE is used, it controls these settings, and there are command line -options for you to define initial values. - -To verify that the communication between the DPDCE and ODR-DabMod is ok, -you can use the status and reset options: - -``` -cd dpd -python main.py --status -python main.py --reset -``` - -The reset option sets all DPD-related settings to the defaults (as shown in the -`--help` usage screen) and stops. - -When neither `--status` nor `--reset` is given, the DPDCE will run the predistortion -algorithm. As a first test you should run the DPDCE with the `--plot` -parameter. It preserves the output power and generates all available -visualisation plots in the newly created logging directory -`/tmp/dpd_`. As the predistortion should increase the peak to -shoulder ratio, you should select a *txgain* in the ODR-DabMod configuration -file such that the initial peak-to-soulder ratio visible on your spectrum -analyser. This way, you will be able to see a the -change. - -``` -cd dpd -python main.py --plot -``` - -The DPDCE now does 10 iterations, and tries to improve the predistortion effectiveness. -In each step the learning rate is decreased. The learning rate is the factor -with which new coefficients are weighted in a weighted mean with the old -coefficients. Moreover the nuber of measurements increases in each iteration. -You find more information about that in *Heuristic.py*. - -Each plot is stored to the logging directory under a filename containing its -time stamp and its label. Following plots are generated chronologically: - - - ExtractStatistic: Extracted information from one or multiple measurements. - - Model\_AM: Fitted function for the amplitudes of the power amplifier against the TX amplitude. - - Model\_PM: Fitted function for the phase difference of the power amplifier against the TX amplitude. - - adapt.pkl: Contains all settings for the predistortion. - You can load them again without doing measurements with the `apply_adapt_dumps.py` script. - - MER: Constellation diagram used to calculate the modulation error rate. - -After the run you should be able to observe that the peak-to-shoulder -difference has increased on your spectrum analyzer, similar to the figure below. - -Without digital predistortion: - -![shoulder_measurement_before](img/shoulder_measurement_before.png) - -With digital predistortion, computed by the DPDCE: - -![shoulder_measurement_after](img/shoulder_measurement_after.png) - -Now see what happens if you apply the predistortions for different TX gains. -You can either set the TX gain before you start the predistortion or using the -command line option `--txgain gain`. You can also try to adjust other -parameters. To see their documentation run `python main.py --help`. - -File format for coefficients ----------------------------- -The coef file contains the polynomial coefficients used in the predistorter. -The file format is very similar to the filtertaps file used in the FIR filter. -It is a text-based format that can easily be inspected and edited in a text -editor. - -The first line contains an integer that defines the predistorter to be used: -1 for polynomial, 2 for lookup table. - -For the polynomial, the subsequent line contains the number of coefficients -as an integer. The second and third lines contain the real, respectively the -imaginary parts of the first coefficient. Fourth and fifth lines give the -second coefficient, and so on. The file therefore contains 1 + 1 + 2xN lines if -it contains N coefficients. - -For the lookup table, the subsequent line contains a float scalefactor that is -applied to the samples in order to bring them into the range of 32-bit unsigned -integer. Then, the next pair of lines contains real and imaginary part of the first -lookup-table entry, which is multiplied to samples in first range. Then it's -followed by 31 other pairs. The entries are complex values close to 1 + 0j. -The file therefore contains 1 + 1 + 2xN lines if it contains N coefficients. - -TODO ----- - - - Understand and fix occasional ODR-DabMod crashes when using DPDCE. - - Make the predistortion more robust. At the moment the shoulders sometimes - increase instead of decrease after applying newly calculated predistortion - parameters. Can this behaviour be predicted from the measurement? This would - make it possible to filter out bad predistortion settings. - - Find a better measurement for the quality of the predistortion. The USRP - might not be good enough to measure large peak-to-shoulder ratios, because - the ADC has 12 bits and DAB signals have a large crest factor. - - Implement a Volterra polynomial to model the PA. Compared to the current - model this would also capture the time dependent behaviour of the PA (memory - effects). - - Continuously observe DAB signal in frequency domain and make sure the power - stays the same. At the moment only the power in the time domain is kept the - same. - - At the moment we assume that the USRP RX gain has to be larger than 30dB and - the received signal should have a median absolute value of 0.05 in order to - have a high quality quantization. Do measurements to support or improve - this heuristic. - - Check if we need to measure MER differently (average over more symbols?) - - Is -45dBm the best RX feedback power level? - -REFERENCES ----------- - -Some papers: - -The paper Raich, Qian, Zhou, "Orthogonal Polynomials for Power Amplifier -Modeling and Predistorter Design" proposes other base polynomials that have -less numerical instability. - -Aladrén, Garcia, Carro, de Mingo, and Sanchez-Perez, "Digital Predistortion -Based on Zernike Polynomial Functions for RF Nonlinear Power Amplifiers". - -Jiang and Wilford, "Digital predistortion for power amplifiers using separable functions" - -Changsoo Eun and Edward J. Powers, "A New Volterra Predistorter Based on the Indirect Learning Architecture" - -Raviv Raich, Hua Qian, and G. Tong Zhou, "Orthogonal Polynomials for Power Amplifier Modeling and Predistorter Design" - - -Models without memory: - -Complex polynomial: y[i] = a1 x[i] + a2 x[i]^2 + a3 x[i]^3 + ... - -The complex polynomial corresponds to the input/output relationship that -applies to the PA in passband (real-valued signal). According to several -sources, this gets transformed to another representation if we consider complex -baseband instead. In the following, all variables are complex. - -Odd-order baseband: y[i] = (b1 + b2 abs(x[i])^2 + b3 abs(x[i])^4) + ...) x[i] - -Complete baseband: y[i] = (b1 + b2 abs(x[i]) + b3 abs(x[i])^2) + ...) x[i] - -with - b_k = 2^{1-k} \binom{k}{(k-1)/2} a_k - - -Models with memory: - - - Hammerstein model: Nonlinearity followed by LTI filter - - Wiener model: LTI filter followed by NL - - Parallel Wiener: input goes to N delays, each delay goes to a NL, all NL outputs summed. - -Taken from slide 36 of [ECE218C Lecture 15](http://www.ece.ucsb.edu/Faculty/rodwell/Classes/ece218c/notes/Lecture15_Digital%20Predistortion_and_Future%20Challenges.pdf) - diff --git a/dpd/apply_adapt_dumps.py b/dpd/apply_adapt_dumps.py deleted file mode 100755 index 20bc013..0000000 --- a/dpd/apply_adapt_dumps.py +++ /dev/null @@ -1,75 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, apply stored configuration. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import glob -import logging - -dt = datetime.datetime.now().isoformat() -logging.basicConfig(format='%(asctime)s - %(module)s - %(levelname)s - %(message)s', - datefmt='%Y-%m-%d %H:%M:%S', - level=logging.DEBUG) - -import src.Adapt as Adapt -import argparse - -parser = argparse.ArgumentParser( - description="Load pkl dumps DPD settings into ODR-DabMod") -parser.add_argument('--port', default=50055, type=int, - help='port of DPD server to connect to (default: 50055)', - required=False) -parser.add_argument('--rc-port', default=9400, type=int, - help='port of ODR-DabMod ZMQ Remote Control to connect to (default: 9400)', - required=False) -parser.add_argument('--coefs', default='poly.coef', - help='File with DPD coefficients, which will be read by ODR-DabMod', - required=False) -parser.add_argument('file', help='File to read the DPD settings from') - -cli_args = parser.parse_args() - -port = cli_args.port -port_rc = cli_args.rc_port -coef_path = cli_args.coefs -filename = cli_args.file - -# No need to initialise a GlobalConfig since adapt only needs this one field -class DummyConfig: - def __init__(self): - self.plot_location = None - -c = DummyConfig() - -adapt = Adapt.Adapt(c, port_rc, coef_path) - -print("Loading and applying DPD settings from {}".format(filename)) -adapt.load(filename) - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/dpd.ini b/dpd/dpd.ini deleted file mode 100644 index 31d6140..0000000 --- a/dpd/dpd.ini +++ /dev/null @@ -1,60 +0,0 @@ -[remotecontrol] -telnet=1 -telnetport=2121 -zmqctrl=1 -zmqctrlendpoint=tcp://127.0.0.1:9400 - -[log] -syslog=0 -filelog=1 -filename=/tmp/dabmod.log - -[input] -transport=tcp -source=localhost:9200 - -[modulator] -gainmode=var -rate=8192000 - -# keep in mind that the DPDCE will set the digital gain through the RC! -digital_gain=0.001 - -[firfilter] -enabled=1 - -[poly] -enabled=1 -polycoeffile=dpd/poly.coef - -# How many threads to use for the predistorter. -# If not set, detect automatically. -#num_threads=2 - -[output] -# to prepare a file for the dpd/iq_file_server.py script, -# use output=file -output=uhd - -[fileoutput] -filename=dpd.iq - -[uhdoutput] -device= -master_clock_rate=32768000 -type=b200 -txgain=80 -channel=13C -refclk_source=internal -pps_source=none -behaviour_refclk_lock_lost=ignore -max_gps_holdover_time=600 -dpd_port=50055 -rxgain=15 - -[delaymanagement] -; Use synchronous=1 so that the USRP time is set. This works -; even in the absence of a reference clk and PPS -synchronous=1 -mutenotimestamps=1 -offset=4.0 diff --git a/dpd/img/setup_diagram.svg b/dpd/img/setup_diagram.svg deleted file mode 100644 index 423ee1e..0000000 --- a/dpd/img/setup_diagram.svg +++ /dev/null @@ -1,395 +0,0 @@ - - - - - - image/svg+xml - - - - - - - - - - - - - - ① USRP TX - - - ① USRP TX - - - - - - - - - - ② Filter - - - ② Filter - - - - - - - - - - ③ PA - - - ③ PA - - - - - - - ④ Dir. Coupler - - - ④ Dir. Coupler - - - - - - - - - - - - - - - - ⑤,⑥ Attenuators - - - ⑤,⑥Attenuators - - - - - - - - ⑦ USRP RX - - - ⑦ USRP RX - - - - - - - - - ⑧ Spectrum Analyzer - - - ⑧ Spectrum Analyzer - - - - diff --git a/dpd/img/setup_photo.svg b/dpd/img/setup_photo.svg deleted file mode 100644 index a401fda..0000000 --- a/dpd/img/setup_photo.svg +++ /dev/null @@ -1,184 +0,0 @@ - - - - - - - - image/svg+xml - - - - - - - - - ① - ② - - - ③ - ④ - ⑤⑥ - ⑦ - ⑧ - diff --git a/dpd/img/shoulder_measurement_after.png b/dpd/img/shoulder_measurement_after.png deleted file mode 100644 index 2631256..0000000 Binary files a/dpd/img/shoulder_measurement_after.png and /dev/null differ diff --git a/dpd/img/shoulder_measurement_before.png b/dpd/img/shoulder_measurement_before.png deleted file mode 100644 index 3581a72..0000000 Binary files a/dpd/img/shoulder_measurement_before.png and /dev/null differ diff --git a/dpd/iq_file_server.py b/dpd/iq_file_server.py deleted file mode 100755 index 7a4e570..0000000 --- a/dpd/iq_file_server.py +++ /dev/null @@ -1,120 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# This example server simulates the ODR-DabMod's -# DPD server, taking samples from an IQ file -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import sys -import socket -import struct -import argparse -import numpy as np -from datetime import datetime - -SIZEOF_SAMPLE = 8 # complex floats -# Constants for TM 1 -NbSymbols = 76 -NbCarriers = 1536 -Spacing = 2048 -NullSize = 2656 -SymSize = 2552 -FicSizeOut = 288 -FrameSize = NullSize + NbSymbols*SymSize - -def main(): - parser = argparse.ArgumentParser(description="Simulate ODR-DabMod DPD server") - parser.add_argument('--port', default='50055', - help='port to listen on (default: 50055)', - required=False) - parser.add_argument('--file', help='I/Q File to read from (complex floats)', - required=True) - parser.add_argument('--samplerate', default='8192000', help='Sample rate', - required=False) - - cli_args = parser.parse_args() - - serve_file(cli_args) - -def recv_exact(sock, num_bytes): - bufs = [] - while num_bytes > 0: - b = sock.recv(num_bytes) - if len(b) == 0: - break - num_bytes -= len(b) - bufs.append(b) - return b''.join(bufs) - -def serve_file(options): - oversampling = int(int(options.samplerate) / 2048000) - consumesamples = 8*FrameSize * oversampling - iq_data = np.fromfile(options.file, count=consumesamples, dtype=np.complex64) - - print("Loaded {} samples of IQ data".format(len(iq_data))) - - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - s.bind(('localhost', int(options.port))) - s.listen() - - try: - while True: - sock, addr_info = s.accept() - print("Got a connection from {}".format(addr_info)) - - ver = recv_exact(sock, 1) - (num_samps,) = struct.unpack("=I", recv_exact(sock, 4)) - num_bytes = num_samps * SIZEOF_SAMPLE - - if num_bytes > len(iq_data): - print("Truncating length to {} samples".format(len(iq_data))) - num_samps = len(iq_data) - num_bytes = num_samps * 4 - - tx_sec = datetime.now().timestamp() - tx_pps = int(16384000 * (tx_sec - int(tx_sec))) - tx_second = int(tx_sec) - - # TX metadata and data - sock.sendall(struct.pack("=III", num_samps, tx_second, tx_pps)) - sock.sendall(iq_data[-num_samps:].tobytes()) - - # RX metadata and data - rx_second = tx_second + 1 - rx_pps = tx_pps - sock.sendall(struct.pack("=III", num_samps, rx_second, rx_pps)) - sock.sendall(iq_data[-num_samps:].tobytes()) - - print("Sent {} samples".format(num_samps)) - - sock.close() - finally: - s.close() - raise - -main() - - -# The MIT License (MIT) -# -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/lut.coef b/dpd/lut.coef deleted file mode 100644 index a198d56..0000000 --- a/dpd/lut.coef +++ /dev/null @@ -1,64 +0,0 @@ -2 -4294967296 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 -1 -0 diff --git a/dpd/main.py b/dpd/main.py deleted file mode 100755 index 10a56fc..0000000 --- a/dpd/main.py +++ /dev/null @@ -1,336 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# DPD Computation Engine main file. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -"""This Python script is the main file for ODR-DabMod's DPD Computation Engine. -This engine calculates and updates the parameter of the digital -predistortion module of ODR-DabMod.""" - -import sys -import datetime -import os -import argparse -import matplotlib - -matplotlib.use('Agg') - -parser = argparse.ArgumentParser( - description="DPD Computation Engine for ODR-DabMod") -parser.add_argument('--port', default=50055, type=int, - help='port of DPD server to connect to (default: 50055)', - required=False) -parser.add_argument('--rc-port', default=9400, type=int, - help='port of ODR-DabMod ZMQ Remote Control to connect to (default: 9400)', - required=False) -parser.add_argument('--samplerate', default=8192000, type=int, - help='Sample rate', - required=False) -parser.add_argument('--coefs', default='poly.coef', - help='File with DPD coefficients, which will be read by ODR-DabMod', - required=False) -parser.add_argument('--txgain', default=-1, - help='TX Gain, -1 to leave unchanged', - required=False, - type=int) -parser.add_argument('--rxgain', default=30, - help='TX Gain, -1 to leave unchanged', - required=False, - type=int) -parser.add_argument('--digital_gain', default=0.01, - help='Digital Gain', - required=False, - type=float) -parser.add_argument('--target_median', default=0.05, - help='The target median for the RX and TX AGC', - required=False, - type=float) -parser.add_argument('--samps', default='81920', type=int, - help='Number of samples to request from ODR-DabMod', - required=False) -parser.add_argument('-i', '--iterations', default=10, type=int, - help='Number of iterations to run', - required=False) -parser.add_argument('-L', '--lut', - help='Use lookup table instead of polynomial predistorter', - action="store_true") -parser.add_argument('--enable-txgain-agc', - help='Enable the TX gain AGC', - action="store_true") -parser.add_argument('--plot', - help='Enable all plots, to be more selective choose plots in GlobalConfig.py', - action="store_true") -parser.add_argument('--name', default="", type=str, - help='Name of the logging directory') -parser.add_argument('-r', '--reset', action="store_true", - help='Reset the DPD settings to the defaults.') -parser.add_argument('-s', '--status', action="store_true", - help='Display the currently running DPD settings.') -parser.add_argument('--measure', action="store_true", - help='Only measure metrics once') - -cli_args = parser.parse_args() - -port = cli_args.port -port_rc = cli_args.rc_port -coef_path = cli_args.coefs -digital_gain = cli_args.digital_gain -num_iter = cli_args.iterations -rxgain = cli_args.rxgain -txgain = cli_args.txgain -name = cli_args.name -plot = cli_args.plot - -# Logging -import logging - -# Simple usage scenarios don't need to clutter /tmp -if not (cli_args.status or cli_args.reset or cli_args.measure): - dt = datetime.datetime.now().isoformat() - logging_path = '/tmp/dpd_{}'.format(dt).replace('.', '_').replace(':', '-') - if name: - logging_path += '_' + name - print("Logs and plots written to {}".format(logging_path)) - os.makedirs(logging_path) - logging.basicConfig(format='%(asctime)s - %(module)s - %(levelname)s - %(message)s', - datefmt='%Y-%m-%d %H:%M:%S', - filename='{}/dpd.log'.format(logging_path), - filemode='w', - level=logging.DEBUG) - # also log up to INFO to console - console = logging.StreamHandler() - console.setLevel(logging.INFO) - # set a format which is simpler for console use - formatter = logging.Formatter('%(asctime)s - %(module)s - %(levelname)s - %(message)s') - # tell the handler to use this format - console.setFormatter(formatter) - # add the handler to the root logger - logging.getLogger('').addHandler(console) -else: - dt = datetime.datetime.now().isoformat() - logging.basicConfig(format='%(asctime)s - %(module)s - %(levelname)s - %(message)s', - datefmt='%Y-%m-%d %H:%M:%S', - level=logging.INFO) - logging_path = None - -logging.info("DPDCE starting up with options: {}".format(cli_args)) - -import numpy as np -import traceback -from src.Model import Lut, Poly -import src.Heuristics as Heuristics -from src.Measure import Measure -from src.ExtractStatistic import ExtractStatistic -from src.Adapt import Adapt, dpddata_to_str -from src.RX_Agc import Agc -from src.TX_Agc import TX_Agc -from src.Symbol_align import Symbol_align -from src.GlobalConfig import GlobalConfig -from src.MER import MER -from src.Measure_Shoulders import Measure_Shoulders - -c = GlobalConfig(cli_args, logging_path) -SA = Symbol_align(c) -MER = MER(c) -MS = Measure_Shoulders(c) -meas = Measure(c, cli_args.samplerate, port, cli_args.samps) -extStat = ExtractStatistic(c) -adapt = Adapt(c, port_rc, coef_path) - -if cli_args.status: - txgain = adapt.get_txgain() - rxgain = adapt.get_rxgain() - digital_gain = adapt.get_digital_gain() - dpddata = dpddata_to_str(adapt.get_predistorter()) - - logging.info("ODR-DabMod currently running with TXGain {}, RXGain {}, digital gain {} and {}".format( - txgain, rxgain, digital_gain, dpddata)) - sys.exit(0) - -if cli_args.lut: - model = Lut(c) -else: - model = Poly(c) - -# Models have the default settings on startup -adapt.set_predistorter(model.get_dpd_data()) -adapt.set_digital_gain(digital_gain) - -# Set RX Gain -if rxgain == -1: - rxgain = adapt.get_rxgain() -else: - adapt.set_rxgain(rxgain) - -# Set TX Gain -if txgain == -1: - txgain = adapt.get_txgain() -else: - adapt.set_txgain(txgain) - -tx_gain = adapt.get_txgain() -rx_gain = adapt.get_rxgain() -digital_gain = adapt.get_digital_gain() - -dpddata = adapt.get_predistorter() - -logging.info("TX gain {}, RX gain {}, digital_gain {}, {!s}".format( - tx_gain, rx_gain, digital_gain, dpddata_to_str(dpddata))) - -if cli_args.reset: - logging.info("DPD Settings were reset to default values.") - sys.exit(0) - -# Automatic Gain Control -agc = Agc(meas, adapt, c) -agc.run() - -if cli_args.measure: - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median = meas.get_samples() - - print("TX signal median {}".format(np.median(np.abs(txframe_aligned)))) - print("RX signal median {}".format(rx_median)) - - tx, rx, phase_diff, n_per_bin = extStat.extract(txframe_aligned, rxframe_aligned) - - off = SA.calc_offset(txframe_aligned) - print("off {}".format(off)) - tx_mer = MER.calc_mer(txframe_aligned[off:off + c.T_U], debug_name='TX') - print("tx_mer {}".format(tx_mer)) - rx_mer = MER.calc_mer(rxframe_aligned[off:off + c.T_U], debug_name='RX') - print("rx_mer {}".format(rx_mer)) - - mse = np.mean(np.abs((txframe_aligned - rxframe_aligned) ** 2)) - print("mse {}".format(mse)) - - digital_gain = adapt.get_digital_gain() - print("digital_gain {}".format(digital_gain)) - - #rx_shoulder_tuple = MS.average_shoulders(rxframe_aligned) - #tx_shoulder_tuple = MS.average_shoulders(txframe_aligned) - sys.exit(0) - -# Disable TXGain AGC by default, so that the experiments are controlled -# better. -tx_agc = None -if cli_args.enable_txgain_agc: - tx_agc = TX_Agc(adapt, c) - -state = 'report' -i = 0 -lr = None -n_meas = None -while i < num_iter: - try: - # Measure - if state == 'measure': - # Get Samples and check gain - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median = meas.get_samples() - if tx_agc and tx_agc.adapt_if_necessary(txframe_aligned): - continue - - # Extract usable data from measurement - tx, rx, phase_diff, n_per_bin = extStat.extract(txframe_aligned, rxframe_aligned) - - n_meas = Heuristics.get_n_meas(i) - if extStat.n_meas >= n_meas: # Use as many measurements nr of runs - state = 'model' - else: - state = 'measure' - - # Model - elif state == 'model': - # Calculate new model parameters and delete old measurements - if any([x is None for x in [tx, rx, phase_diff]]): - logging.error("No data to calculate model") - state = 'measure' - continue - - lr = Heuristics.get_learning_rate(i) - model.train(tx, rx, phase_diff, lr=lr) - dpddata = model.get_dpd_data() - extStat = ExtractStatistic(c) - state = 'adapt' - - # Adapt - elif state == 'adapt': - adapt.set_predistorter(dpddata) - state = 'report' - - # Report - elif state == 'report': - try: - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median = meas.get_samples() - - # Store all settings for pre-distortion, tx and rx - adapt.dump() - - # Collect logging data - off = SA.calc_offset(txframe_aligned) - tx_mer = MER.calc_mer(txframe_aligned[off:off + c.T_U], debug_name='TX') - rx_mer = MER.calc_mer(rxframe_aligned[off:off + c.T_U], debug_name='RX') - mse = np.mean(np.abs((txframe_aligned - rxframe_aligned) ** 2)) - tx_gain = adapt.get_txgain() - rx_gain = adapt.get_rxgain() - digital_gain = adapt.get_digital_gain() - tx_median = np.median(np.abs(txframe_aligned)) - rx_shoulder_tuple = MS.average_shoulders(rxframe_aligned) - tx_shoulder_tuple = MS.average_shoulders(txframe_aligned) - - # Generic logging - logging.info(list((name, eval(name)) for name in - ['i', 'tx_mer', 'tx_shoulder_tuple', 'rx_mer', - 'rx_shoulder_tuple', 'mse', 'tx_gain', - 'digital_gain', 'rx_gain', 'rx_median', - 'tx_median', 'lr', 'n_meas'])) - - # Model specific logging - if dpddata[0] == 'poly': - coefs_am = dpddata[1] - coefs_pm = dpddata[2] - logging.info('It {}: coefs_am {}'. - format(i, coefs_am)) - logging.info('It {}: coefs_pm {}'. - format(i, coefs_pm)) - elif dpddata[0] == 'lut': - scalefactor = dpddata[1] - lut = dpddata[2] - logging.info('It {}: LUT scalefactor {}, LUT {}'. - format(i, scalefactor, lut)) - except: - logging.error('Iteration {}: Report failed.'.format(i)) - logging.error(traceback.format_exc()) - i += 1 - state = 'measure' - - except: - logging.error('Iteration {} failed.'.format(i)) - logging.error(traceback.format_exc()) - i += 1 - state = 'measure' - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/poly.coef b/dpd/poly.coef deleted file mode 100644 index 248d316..0000000 --- a/dpd/poly.coef +++ /dev/null @@ -1,12 +0,0 @@ -1 -5 -1.0 -0.0 -0.0 -0.0 -0.0 -0.0 -0.0 -0.0 -0.0 -0.0 diff --git a/dpd/show_spectrum.py b/dpd/show_spectrum.py deleted file mode 100755 index f23dba2..0000000 --- a/dpd/show_spectrum.py +++ /dev/null @@ -1,276 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# This is an example tool that shows how to connect to ODR-DabMod's dpd TCP -# server and get samples from there. -# -# Since the TX and RX samples are not perfectly aligned, the tool has to align -# them properly, which is done in two steps: First on sample-level using a -# correlation, then with subsample accuracy using a FFT approach. -# -# It requires SciPy and matplotlib. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import sys -import socket -import struct -import numpy as np -import matplotlib.pyplot as pp -from matplotlib.animation import FuncAnimation -import argparse -from scipy.misc import imsave - -SIZEOF_SAMPLE = 8 # complex floats - -# Constants for TM 1 -NbSymbols = 76 -NbCarriers = 1536 -Spacing = 2048 -NullSize = 2656 -SymSize = 2552 -FicSizeOut = 288 - -def main(): - parser = argparse.ArgumentParser(description="Plot the spectrum of ODR-DabMod's DPD feedback") - parser.add_argument('--samps', default='10240', help='Number of samples to request at once', - required=False) - parser.add_argument('--port', default='50055', - help='port to connect to ODR-DabMod DPD (default: 50055)', - required=False) - parser.add_argument('--animated', action='store_true', help='Enable real-time animation') - parser.add_argument('--constellation', action='store_true', help='Draw constellaton plot') - parser.add_argument('--samplerate', default='8192000', help='Sample rate', - required=False) - - cli_args = parser.parse_args() - - if cli_args.constellation: - plot_constellation_once(cli_args) - elif cli_args.animated: - plot_spectrum_animated(cli_args) - else: - plot_spectrum_once(cli_args) - -def recv_exact(sock, num_bytes): - bufs = [] - while num_bytes > 0: - b = sock.recv(num_bytes) - if len(b) == 0: - break - num_bytes -= len(b) - bufs.append(b) - return b''.join(bufs) - -def get_samples(port, num_samps_to_request): - """Connect to ODR-DabMod, retrieve TX and RX samples, load - into numpy arrays, and return a tuple - (tx_timestamp, tx_samples, rx_timestamp, rx_samples) - where the timestamps are doubles, and the samples are numpy - arrays of complex floats, both having the same size - """ - - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - s.connect(('localhost', port)) - - print("Send version"); - s.sendall(b"\x01") - - print("Send request for {} samples".format(num_samps_to_request)) - s.sendall(struct.pack("=I", num_samps_to_request)) - - print("Wait for TX metadata") - num_samps, tx_second, tx_pps = struct.unpack("=III", recv_exact(s, 12)) - tx_ts = tx_second + tx_pps / 16384000.0 - - if num_samps > 0: - print("Receiving {} TX samples".format(num_samps)) - txframe_bytes = recv_exact(s, num_samps * SIZEOF_SAMPLE) - txframe = np.fromstring(txframe_bytes, dtype=np.complex64) - else: - txframe = np.array([], dtype=np.complex64) - - - print("Wait for RX metadata") - rx_second, rx_pps = struct.unpack("=II", recv_exact(s, 8)) - rx_ts = rx_second + rx_pps / 16384000.0 - - if num_samps > 0: - print("Receiving {} RX samples".format(num_samps)) - rxframe_bytes = recv_exact(s, num_samps * SIZEOF_SAMPLE) - rxframe = np.fromstring(rxframe_bytes, dtype=np.complex64) - else: - rxframe = np.array([], dtype=np.complex64) - - print("Disconnecting") - s.close() - - return (tx_ts, txframe, rx_ts, rxframe) - -def recv_rxtx(port, num_samps_to_request): - tx_ts, txframe, rx_ts, rxframe = get_samples(port, num_samps_to_request) - - # convert to complex doubles for more dynamic range - txframe = txframe.astype(np.complex128) - rxframe = rxframe.astype(np.complex128) - - print("Received {} & {} frames at {} and {}".format( - len(txframe), len(rxframe), tx_ts, rx_ts)) - return tx_ts, txframe, rx_ts, rxframe - -def get_spectrum(port, num_samps_to_request): - tx_ts, txframe, rx_ts, rxframe = recv_rxtx(port, num_samps_to_request) - - print("Calculate TX and RX spectrum assuming 8192000 samples per second") - tx_spectrum = np.fft.fftshift(np.fft.fft(txframe, fft_size)) - tx_power = 20*np.log10(np.abs(tx_spectrum)) - - rx_spectrum = np.fft.fftshift(np.fft.fft(rxframe, fft_size)) - rx_power = 20*np.log10(np.abs(rx_spectrum)) - return tx_power, rx_power - -def remove_guard_intervals(frame, options): - """Remove the cyclic prefix. The frame needs to be aligned to the - end of the transmission frame. Transmission Mode 1 is assumed""" - oversample = int(int(options.samplerate) / 2048000) - - # From the end, take 2048 samples, then skip 504 samples - frame = frame[::-1] - - stride_len = Spacing * oversample - stride_advance = SymSize * oversample - - # Truncate the frame to an integer length of strides - newlen = len(frame) - (len(frame) % stride_advance) - print("Truncating frame from {} to {}".format(len(frame), newlen)) - frame = frame[:newlen] - - # Remove the cyclic prefix - frame = frame.reshape(-1, stride_advance)[:,:stride_len].reshape(-1) - - # Reverse again - return frame[::-1] - - -def plot_constellation_once(options): - port = int(options.port) - num_samps_to_request = int(options.samps) - - tx_ts, txframe, rx_ts, rxframe = recv_rxtx(port, num_samps_to_request) - - frame = remove_guard_intervals(txframe, options) - - oversample = int(int(options.samplerate) / 2048000) - - n = Spacing * oversample # is also number of samples per symbol - if len(frame) % n != 0: - raise ValueError("Frame length doesn't contain exact number of symbols") - num_syms = int(len(frame) / n) - print("frame {} has {} symbols".format(len(frame), num_syms)) - spectrums = np.array([np.fft.fftshift(np.fft.fft(frame[n*i:n*(i+1)], n)) for i in range(num_syms)]) - - def normalise(x): - """Normalise a real-valued array x to the range [0,1]""" - y = x + np.min(x) - return x / np.max(x) - - imsave("spectrums.png", np.concatenate([ - normalise(np.abs(spectrums)), - normalise(np.angle(spectrums))])) - - # Only take bins that are supposed to contain energy - # i.e. the middle 1536 bins, excluding the bin at n/2 - assert(n % 2 == 0) - n_half = int(n/2) - spectrums = np.concatenate( - [spectrums[...,n_half-768:n_half], - spectrums[...,n_half + 1:n_half + 769]], axis=1) - - sym_indices = (np.tile(np.arange(num_syms-1).reshape(num_syms-1,1), (1,NbCarriers)) + - np.tile(np.linspace(-0.4, 0.4, NbCarriers), (num_syms-1, 1) ) ) - sym_indices = sym_indices.reshape(-1) - diff_angles = np.mod(np.diff(np.angle(spectrums, deg=1), axis=0), 360) - #sym_points = spectrums[:-1].reshape(-1) - # Set amplitude and phase of low power points to zero, avoid cluttering diagram - #sym_points[np.abs(sym_points) < np.mean(np.abs(sym_points)) * 0.1] = 0 - - print("ix {} spec {} da {}".format( - sym_indices.shape, spectrums.shape, diff_angles.shape)) - - fig = pp.figure() - - fig.suptitle("Constellation") - ax1 = fig.add_subplot(111) - ax1.set_title("TX") - ax1.scatter(sym_indices, diff_angles.reshape(-1), alpha=0.1) - - pp.show() - -fft_size = 4096 - -def plot_spectrum_once(options): - port = int(options.port) - num_samps_to_request = int(options.samps) - freqs = np.fft.fftshift(np.fft.fftfreq(fft_size, d=1./int(options.samplerate))) - - tx_power, rx_power = get_spectrum(port, num_samps_to_request) - fig = pp.figure() - - fig.suptitle("TX and RX spectrum") - ax1 = fig.add_subplot(211) - ax1.set_title("TX") - ax1.plot(freqs, tx_power, 'r') - ax2 = fig.add_subplot(212) - ax2.set_title("RX") - ax2.plot(freqs, rx_power, 'b') - pp.show() - -def plot_spectrum_animated(options): - port = int(options.port) - num_samps_to_request = int(options.samps) - freqs = np.fft.fftshift(np.fft.fftfreq(fft_size, d=1./int(options.samplerate))) - - fig, axes = pp.subplots(2, sharex=True) - line1, = axes[0].plot(freqs, np.ones(len(freqs)), 'r', animated=True) - axes[0].set_title("TX") - line2, = axes[1].plot(freqs, np.ones(len(freqs)), 'b', animated=True) - axes[1].set_title("RX") - lines = [line1, line2] - - axes[0].set_ylim(-30, 50) - axes[1].set_ylim(-60, 40) - - def update(frame): - tx_power, rx_power = get_spectrum(port, num_samps_to_request) - - lines[0].set_ydata(tx_power) - lines[1].set_ydata(rx_power) - return lines - - ani = FuncAnimation(fig, update, blit=True) - pp.show() - -main() - -# The MIT License (MIT) -# -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Adapt.py b/dpd/src/Adapt.py deleted file mode 100644 index a57602f..0000000 --- a/dpd/src/Adapt.py +++ /dev/null @@ -1,286 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine: updates ODR-DabMod's settings -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file -""" -This module is used to change settings of ODR-DabMod using -the ZMQ remote control socket. -""" - -import zmq -import logging -import numpy as np -import os -import datetime -import pickle - -LUT_LEN = 32 -FORMAT_POLY = 1 -FORMAT_LUT = 2 - - -def _write_poly_coef_file(coefs_am, coefs_pm, path): - assert (len(coefs_am) == len(coefs_pm)) - - f = open(path, 'w') - f.write("{}\n{}\n".format(FORMAT_POLY, len(coefs_am))) - for coef in coefs_am: - f.write("{}\n".format(coef)) - for coef in coefs_pm: - f.write("{}\n".format(coef)) - f.close() - - -def _write_lut_file(scalefactor, lut, path): - assert (len(lut) == LUT_LEN) - - f = open(path, 'w') - f.write("{}\n{}\n".format(FORMAT_LUT, scalefactor)) - for coef in lut: - f.write("{}\n{}\n".format(coef.real, coef.imag)) - f.close() - -def dpddata_to_str(dpddata): - if dpddata[0] == "poly": - coefs_am = dpddata[1] - coefs_pm = dpddata[2] - return "dpd_coefs_am {}, dpd_coefs_pm {}".format( - coefs_am, coefs_pm) - elif dpddata[0] == "lut": - scalefactor = dpddata[1] - lut = dpddata[2] - return "LUT scalefactor {}, LUT {}".format( - scalefactor, lut) - else: - raise ValueError("Unknown dpddata type {}".format(dpddata[0])) - -class Adapt: - """Uses the ZMQ remote control to change parameters of the DabMod - - Parameters - ---------- - port : int - Port at which the ODR-DabMod is listening to connect the - ZMQ remote control. - """ - - def __init__(self, config, port, coef_path): - logging.debug("Instantiate Adapt object") - self.c = config - self.port = port - self.coef_path = coef_path - self.host = "localhost" - self._context = zmq.Context() - - def _connect(self): - """Establish the connection to ODR-DabMod using - a ZMQ socket that is in request mode (Client). - Returns a socket""" - sock = self._context.socket(zmq.REQ) - poller = zmq.Poller() - poller.register(sock, zmq.POLLIN) - - sock.connect("tcp://%s:%d" % (self.host, self.port)) - - sock.send(b"ping") - - socks = dict(poller.poll(1000)) - if socks: - if socks.get(sock) == zmq.POLLIN: - data = [el.decode() for el in sock.recv_multipart()] - - if data != ['ok']: - raise RuntimeError( - "Invalid ZMQ RC answer to 'ping' at %s %d: %s" % - (self.host, self.port, data)) - else: - sock.close(linger=10) - raise RuntimeError( - "ZMQ RC does not respond to 'ping' at %s %d" % - (self.host, self.port)) - - return sock - - def send_receive(self, message): - """Send a message to ODR-DabMod. It always - returns the answer ODR-DabMod sends back. - - An example message could be - "get sdr txgain" or "set sdr txgain 50" - - Parameter - --------- - message : str - The message string that will be sent to the receiver. - """ - sock = self._connect() - logging.debug("Send message: %s" % message) - msg_parts = message.split(" ") - for i, part in enumerate(msg_parts): - if i == len(msg_parts) - 1: - f = 0 - else: - f = zmq.SNDMORE - - sock.send(part.encode(), flags=f) - - data = [el.decode() for el in sock.recv_multipart()] - logging.debug("Received message: %s" % message) - return data - - def set_txgain(self, gain): - """Set a new txgain for the ODR-DabMod. - - Parameters - ---------- - gain : int - new TX gain, in the same format as ODR-DabMod's config file - """ - # TODO this is specific to the B200 - if gain < 0 or gain > 89: - raise ValueError("Gain has to be in [0,89]") - return self.send_receive("set sdr txgain %.4f" % float(gain)) - - def get_txgain(self): - """Get the txgain value in dB for the ODR-DabMod.""" - # TODO handle failure - return float(self.send_receive("get sdr txgain")[0]) - - def set_rxgain(self, gain): - """Set a new rxgain for the ODR-DabMod. - - Parameters - ---------- - gain : int - new RX gain, in the same format as ODR-DabMod's config file - """ - # TODO this is specific to the B200 - if gain < 0 or gain > 89: - raise ValueError("Gain has to be in [0,89]") - return self.send_receive("set sdr rxgain %.4f" % float(gain)) - - def get_rxgain(self): - """Get the rxgain value in dB for the ODR-DabMod.""" - # TODO handle failure - return float(self.send_receive("get sdr rxgain")[0]) - - def set_digital_gain(self, gain): - """Set a new rxgain for the ODR-DabMod. - - Parameters - ---------- - gain : int - new RX gain, in the same format as ODR-DabMod's config file - """ - msg = "set gain digital %.5f" % gain - return self.send_receive(msg) - - def get_digital_gain(self): - """Get the rxgain value in dB for the ODR-DabMod.""" - # TODO handle failure - return float(self.send_receive("get gain digital")[0]) - - def get_predistorter(self): - """Load the coefficients from the file in the format given in the README, - return ("poly", [AM coef], [PM coef]) or ("lut", scalefactor, [LUT entries]) - """ - f = open(self.coef_path, 'r') - lines = f.readlines() - predistorter_format = int(lines[0]) - if predistorter_format == FORMAT_POLY: - coefs_am_out = [] - coefs_pm_out = [] - n_coefs = int(lines[1]) - coefs = [float(l) for l in lines[2:]] - i = 0 - for c in coefs: - if i < n_coefs: - coefs_am_out.append(c) - elif i < 2 * n_coefs: - coefs_pm_out.append(c) - else: - raise ValueError( - 'Incorrect coef file format: too many' - ' coefficients in {}, should be {}, coefs are {}' - .format(self.coef_path, n_coefs, coefs)) - i += 1 - f.close() - return 'poly', coefs_am_out, coefs_pm_out - elif predistorter_format == FORMAT_LUT: - scalefactor = int(lines[1]) - coefs = np.array([float(l) for l in lines[2:]], dtype=np.float32) - coefs = coefs.reshape((-1, 2)) - lut = coefs[..., 0] + 1j * coefs[..., 1] - if len(lut) != LUT_LEN: - raise ValueError("Incorrect number of LUT entries ({} expected {})".format(len(lut), LUT_LEN)) - return 'lut', scalefactor, lut - else: - raise ValueError("Unknown predistorter format {}".format(predistorter_format)) - - def set_predistorter(self, dpddata): - """Update the predistorter data in the modulator. Takes the same - tuple format as argument than the one returned get_predistorter()""" - if dpddata[0] == "poly": - coefs_am = dpddata[1] - coefs_pm = dpddata[2] - _write_poly_coef_file(coefs_am, coefs_pm, self.coef_path) - elif dpddata[0] == "lut": - scalefactor = dpddata[1] - lut = dpddata[2] - _write_lut_file(scalefactor, lut, self.coef_path) - else: - raise ValueError("Unknown predistorter '{}'".format(dpddata[0])) - self.send_receive("set memlesspoly coeffile {}".format(self.coef_path)) - - def dump(self, path=None): - """Backup current settings to a file""" - dt = datetime.datetime.now().isoformat() - if path is None: - if self.c.plot_location is not None: - path = self.c.plot_location + "/" + dt + "_adapt.pkl" - else: - raise Exception("Cannot dump Adapt without either plot_location or path set") - d = { - "txgain": self.get_txgain(), - "rxgain": self.get_rxgain(), - "digital_gain": self.get_digital_gain(), - "predistorter": self.get_predistorter() - } - with open(path, "wb") as f: - pickle.dump(d, f) - - return path - - def load(self, path): - """Restore settings from a file""" - with open(path, "rb") as f: - d = pickle.load(f) - - self.set_txgain(d["txgain"]) - self.set_digital_gain(d["digital_gain"]) - self.set_rxgain(d["rxgain"]) - self.set_predistorter(d["predistorter"]) - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger, Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Dab_Util.py b/dpd/src/Dab_Util.py deleted file mode 100644 index bc89a39..0000000 --- a/dpd/src/Dab_Util.py +++ /dev/null @@ -1,246 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, utilities for working with DAB signals. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import numpy as np -import matplotlib - -matplotlib.use('agg') -import matplotlib.pyplot as plt -import src.subsample_align as sa -import src.phase_align as pa -from scipy import signal - - -def fromfile(filename, offset=0, length=None): - if length is None: - return np.memmap(filename, dtype=np.complex64, mode='r', offset=64 / 8 * offset) - else: - return np.memmap(filename, dtype=np.complex64, mode='r', offset=64 / 8 * offset, shape=length) - - -class Dab_Util: - """Collection of methods that can be applied to an array - complex IQ samples of a DAB signal - """ - - def __init__(self, config, sample_rate, plot=False): - """ - :param sample_rate: sample rate [sample/sec] to use for calculations - """ - self.c = config - self.sample_rate = sample_rate - self.dab_bandwidth = 1536000 # Bandwidth of a dab signal - self.frame_ms = 96 # Duration of a Dab frame - - self.plot = plot - - def lag(self, sig_orig, sig_rec): - """ - Find lag between two signals - Args: - sig_orig: The signal that has been sent - sig_rec: The signal that has been recored - """ - off = sig_rec.shape[0] - c = np.abs(signal.correlate(sig_orig, sig_rec)) - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - corr_path = self.c.plot_location + "/" + dt + "_tx_rx_corr.png" - plt.plot(c, label="corr") - plt.legend() - plt.savefig(corr_path) - plt.close() - - return np.argmax(c) - off + 1 - - def lag_upsampling(self, sig_orig, sig_rec, n_up): - if n_up != 1: - sig_orig_up = signal.resample(sig_orig, sig_orig.shape[0] * n_up) - sig_rec_up = signal.resample(sig_rec, sig_rec.shape[0] * n_up) - else: - sig_orig_up = sig_orig - sig_rec_up = sig_rec - l = self.lag(sig_orig_up, sig_rec_up) - l_orig = float(l) / n_up - return l_orig - - def subsample_align_upsampling(self, sig_tx, sig_rx, n_up=32): - """ - Returns an aligned version of sig_tx and sig_rx by cropping and subsample alignment - Using upsampling - """ - assert (sig_tx.shape[0] == sig_rx.shape[0]) - - if sig_tx.shape[0] % 2 == 1: - sig_tx = sig_tx[:-1] - sig_rx = sig_rx[:-1] - - sig1_up = signal.resample(sig_tx, sig_tx.shape[0] * n_up) - sig2_up = signal.resample(sig_rx, sig_rx.shape[0] * n_up) - - off_meas = self.lag_upsampling(sig2_up, sig1_up, n_up=1) - off = int(abs(off_meas)) - - if off_meas > 0: - sig1_up = sig1_up[:-off] - sig2_up = sig2_up[off:] - elif off_meas < 0: - sig1_up = sig1_up[off:] - sig2_up = sig2_up[:-off] - - sig_tx = signal.resample(sig1_up, sig1_up.shape[0] / n_up).astype(np.complex64) - sig_rx = signal.resample(sig2_up, sig2_up.shape[0] / n_up).astype(np.complex64) - return sig_tx, sig_rx - - def subsample_align(self, sig_tx, sig_rx): - """ - Returns an aligned version of sig_tx and sig_rx by cropping and subsample alignment - """ - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_sync_raw.png" - - fig, axs = plt.subplots(2) - axs[0].plot(np.abs(sig_tx[:128]), label="TX Frame") - axs[0].plot(np.abs(sig_rx[:128]), label="RX Frame") - axs[0].set_title("Raw Data") - axs[0].set_ylabel("Amplitude") - axs[0].set_xlabel("Samples") - axs[0].legend(loc=4) - - axs[1].plot(np.real(sig_tx[:128]), label="TX Frame") - axs[1].plot(np.real(sig_rx[:128]), label="RX Frame") - axs[1].set_title("Raw Data") - axs[1].set_ylabel("Real Part") - axs[1].set_xlabel("Samples") - axs[1].legend(loc=4) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - off_meas = self.lag_upsampling(sig_rx, sig_tx, n_up=1) - off = int(abs(off_meas)) - - logging.debug("sig_tx_orig: {} {}, sig_rx_orig: {} {}, offset {}".format( - len(sig_tx), - sig_tx.dtype, - len(sig_rx), - sig_rx.dtype, - off_meas)) - - if off_meas > 0: - sig_tx = sig_tx[:-off] - sig_rx = sig_rx[off:] - elif off_meas < 0: - sig_tx = sig_tx[off:] - sig_rx = sig_rx[:-off] - - if off % 2 == 1: - sig_tx = sig_tx[:-1] - sig_rx = sig_rx[:-1] - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_sync_sample_aligned.png" - - fig, axs = plt.subplots(2) - axs[0].plot(np.abs(sig_tx[:128]), label="TX Frame") - axs[0].plot(np.abs(sig_rx[:128]), label="RX Frame") - axs[0].set_title("Sample Aligned Data") - axs[0].set_ylabel("Amplitude") - axs[0].set_xlabel("Samples") - axs[0].legend(loc=4) - - axs[1].plot(np.real(sig_tx[:128]), label="TX Frame") - axs[1].plot(np.real(sig_rx[:128]), label="RX Frame") - axs[1].set_ylabel("Real Part") - axs[1].set_xlabel("Samples") - axs[1].legend(loc=4) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - sig_rx = sa.subsample_align(sig_rx, sig_tx) - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_sync_subsample_aligned.png" - - fig, axs = plt.subplots(2) - axs[0].plot(np.abs(sig_tx[:128]), label="TX Frame") - axs[0].plot(np.abs(sig_rx[:128]), label="RX Frame") - axs[0].set_title("Subsample Aligned") - axs[0].set_ylabel("Amplitude") - axs[0].set_xlabel("Samples") - axs[0].legend(loc=4) - - axs[1].plot(np.real(sig_tx[:128]), label="TX Frame") - axs[1].plot(np.real(sig_rx[:128]), label="RX Frame") - axs[1].set_ylabel("Real Part") - axs[1].set_xlabel("Samples") - axs[1].legend(loc=4) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - sig_rx = pa.phase_align(sig_rx, sig_tx) - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_sync_phase_aligned.png" - - fig, axs = plt.subplots(2) - axs[0].plot(np.abs(sig_tx[:128]), label="TX Frame") - axs[0].plot(np.abs(sig_rx[:128]), label="RX Frame") - axs[0].set_title("Phase Aligned") - axs[0].set_ylabel("Amplitude") - axs[0].set_xlabel("Samples") - axs[0].legend(loc=4) - - axs[1].plot(np.real(sig_tx[:128]), label="TX Frame") - axs[1].plot(np.real(sig_rx[:128]), label="RX Frame") - axs[1].set_ylabel("Real Part") - axs[1].set_xlabel("Samples") - axs[1].legend(loc=4) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - logging.debug( - "Sig1_cut: %d %s, Sig2_cut: %d %s, off: %d" % (len(sig_tx), sig_tx.dtype, len(sig_rx), sig_rx.dtype, off)) - return sig_tx, sig_rx - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/ExtractStatistic.py b/dpd/src/ExtractStatistic.py deleted file mode 100644 index 639513a..0000000 --- a/dpd/src/ExtractStatistic.py +++ /dev/null @@ -1,196 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, -# Extract statistic from received TX and RX data to use in Model -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import numpy as np -import matplotlib.pyplot as plt -import datetime -import os -import logging - - -def _check_input_extract(tx_dpd, rx_received): - # Check data type - assert tx_dpd[0].dtype == np.complex64, \ - "tx_dpd is not complex64 but {}".format(tx_dpd[0].dtype) - assert rx_received[0].dtype == np.complex64, \ - "rx_received is not complex64 but {}".format(rx_received[0].dtype) - # Check if signals have same normalization - normalization_error = np.abs(np.median(np.abs(tx_dpd)) - - np.median(np.abs(rx_received))) / ( - np.median(np.abs(tx_dpd)) + np.median(np.abs(rx_received))) - assert normalization_error < 0.01, "Non normalized signals" - - -def _phase_diff_value_per_bin(phase_diffs_values_lists): - phase_list = [] - for values in phase_diffs_values_lists: - mean = np.mean(values) if len(values) > 0 else np.nan - phase_list.append(mean) - return phase_list - - -class ExtractStatistic: - """Calculate a low variance RX value for equally spaced tx values - of a predefined range""" - - def __init__(self, c): - self.c = c - - # Number of measurements used to extract the statistic - self.n_meas = 0 - - # Boundaries for the bins - self.tx_boundaries = np.linspace(c.ES_start, c.ES_end, c.ES_n_bins + 1) - self.n_per_bin = c.ES_n_per_bin - - # List of rx values for each bin - self.rx_values_lists = [] - for i in range(c.ES_n_bins): - self.rx_values_lists.append([]) - - # List of tx values for each bin - self.tx_values_lists = [] - for i in range(c.ES_n_bins): - self.tx_values_lists.append([]) - - self.plot = c.ES_plot - - def _plot_and_log(self, tx_values, rx_values, phase_diffs_values, phase_diffs_values_lists): - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_ExtractStatistic.png" - sub_rows = 3 - sub_cols = 1 - fig = plt.figure(figsize=(sub_cols * 6, sub_rows / 2. * 6)) - i_sub = 0 - - i_sub += 1 - ax = plt.subplot(sub_rows, sub_cols, i_sub) - ax.plot(tx_values, rx_values, - label="Estimated Values", - color="red") - for i, tx_value in enumerate(tx_values): - rx_values_list = self.rx_values_lists[i] - ax.scatter(np.ones(len(rx_values_list)) * tx_value, - np.abs(rx_values_list), - s=0.1, - color="black") - ax.set_title("Extracted Statistic") - ax.set_xlabel("TX Amplitude") - ax.set_ylabel("RX Amplitude") - ax.set_ylim(0, 0.8) - ax.set_xlim(0, 1.1) - ax.legend(loc=4) - - i_sub += 1 - ax = plt.subplot(sub_rows, sub_cols, i_sub) - ax.plot(tx_values, np.rad2deg(phase_diffs_values), - label="Estimated Values", - color="red") - for i, tx_value in enumerate(tx_values): - phase_diff = phase_diffs_values_lists[i] - ax.scatter(np.ones(len(phase_diff)) * tx_value, - np.rad2deg(phase_diff), - s=0.1, - color="black") - ax.set_xlabel("TX Amplitude") - ax.set_ylabel("Phase Difference") - ax.set_ylim(-60, 60) - ax.set_xlim(0, 1.1) - ax.legend(loc=4) - - num = [] - for i, tx_value in enumerate(tx_values): - rx_values_list = self.rx_values_lists[i] - num.append(len(rx_values_list)) - i_sub += 1 - ax = plt.subplot(sub_rows, sub_cols, i_sub) - ax.plot(num) - ax.set_xlabel("TX Amplitude") - ax.set_ylabel("Number of Samples") - ax.set_ylim(0, self.n_per_bin * 1.2) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - def _rx_value_per_bin(self): - rx_values = [] - for values in self.rx_values_lists: - mean = np.mean(np.abs(values)) if len(values) > 0 else np.nan - rx_values.append(mean) - return rx_values - - def _tx_value_per_bin(self): - tx_values = [] - for start, end in zip(self.tx_boundaries, self.tx_boundaries[1:]): - tx_values.append(np.mean((start, end))) - return tx_values - - def _phase_diff_list_per_bin(self): - phase_values_lists = [] - for tx_list, rx_list in zip(self.tx_values_lists, self.rx_values_lists): - phase_diffs = [] - for tx, rx in zip(tx_list, rx_list): - phase_diffs.append(np.angle(rx * tx.conjugate())) - phase_values_lists.append(phase_diffs) - return phase_values_lists - - def extract(self, tx_dpd, rx): - """Extract information from a new measurement and store them - in member variables.""" - _check_input_extract(tx_dpd, rx) - self.n_meas += 1 - - tx_abs = np.abs(tx_dpd) - for i, (tx_start, tx_end) in enumerate(zip(self.tx_boundaries, self.tx_boundaries[1:])): - mask = (tx_abs > tx_start) & (tx_abs < tx_end) - n_add = max(0, self.n_per_bin - len(self.rx_values_lists[i])) - self.rx_values_lists[i] += \ - list(rx[mask][:n_add]) - self.tx_values_lists[i] += \ - list(tx_dpd[mask][:n_add]) - - rx_values = self._rx_value_per_bin() - tx_values = self._tx_value_per_bin() - - n_per_bin = np.array([len(values) for values in self.rx_values_lists]) - # Index of first not filled bin, assumes that never all bins are filled - idx_end = np.argmin(n_per_bin == self.c.ES_n_per_bin) - - phase_diffs_values_lists = self._phase_diff_list_per_bin() - phase_diffs_values = _phase_diff_value_per_bin(phase_diffs_values_lists) - - self._plot_and_log(tx_values, rx_values, phase_diffs_values, phase_diffs_values_lists) - - tx_values_crop = np.array(tx_values, dtype=np.float32)[:idx_end] - rx_values_crop = np.array(rx_values, dtype=np.float32)[:idx_end] - phase_diffs_values_crop = np.array(phase_diffs_values, dtype=np.float32)[:idx_end] - return tx_values_crop, rx_values_crop, phase_diffs_values_crop, n_per_bin - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/GlobalConfig.py b/dpd/src/GlobalConfig.py deleted file mode 100644 index 56839fc..0000000 --- a/dpd/src/GlobalConfig.py +++ /dev/null @@ -1,108 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, constants and global configuration -# -# Source for DAB standard: etsi_EN_300_401_v010401p p145 -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import numpy as np - -class GlobalConfig: - def __init__(self, cli_args, plot_location): - self.sample_rate = cli_args.samplerate - assert self.sample_rate == 8192000 # By now only constants for 8192000 - - self.plot_location = plot_location - - # DAB frame - # Time domain - oversample = int(self.sample_rate / 2048000) - self.T_F = oversample * 196608 # Transmission frame duration - self.T_NULL = oversample * 2656 # Null symbol duration - self.T_S = oversample * 2552 # Duration of OFDM symbols of indices l = 1, 2, 3,... L; - self.T_U = oversample * 2048 # Inverse of carrier spacing - self.T_C = oversample * 504 # Duration of cyclic prefix - - # Frequency Domain - # example: np.delete(fft[3328:4865], 768) - self.FFT_delta = 1536 # Number of carrier frequencies - self.FFT_delete = 768 - self.FFT_start = 3328 - self.FFT_end = 4865 - - # Calculate sample offset from phase rotation - # time per sample = 1 / sample_rate - # frequency per bin = 1kHz - # phase difference per sample offset = delta_t * 2 * pi * delta_freq - self.phase_offset_per_sample = 1. / self.sample_rate * 2 * np.pi * 1000 - - # Constants for ExtractStatistic - self.ES_plot = cli_args.plot - self.ES_start = 0.0 - self.ES_end = 1.0 - self.ES_n_bins = 64 # Number of bins between ES_start and ES_end - self.ES_n_per_bin = 128 # Number of measurements pre bin - - # Constants for Measure_Shoulder - self.MS_enable = False - self.MS_plot = cli_args.plot - - meas_offset = 976 # Offset from center frequency to measure shoulder [kHz] - meas_width = 100 # Size of frequency delta to measure shoulder [kHz] - shoulder_offset_edge = np.abs(meas_offset - self.FFT_delta) - self.MS_shoulder_left_start = self.FFT_start - shoulder_offset_edge - meas_width / 2 - self.MS_shoulder_left_end = self.FFT_start - shoulder_offset_edge + meas_width / 2 - self.MS_shoulder_right_start = self.FFT_end + shoulder_offset_edge - meas_width / 2 - self.MS_shoulder_right_end = self.FFT_end + shoulder_offset_edge + meas_width / 2 - self.MS_peak_start = self.FFT_start + 100 # Ignore region near edges - self.MS_peak_end = self.FFT_end - 100 - - self.MS_FFT_size = 8192 - self.MS_averaging_size = 4 * self.MS_FFT_size - self.MS_n_averaging = 40 - self.MS_n_proc = 4 - - # Constants for MER - self.MER_plot = cli_args.plot - - # Constants for Model - self.MDL_plot = cli_args.plot - - # Constants for Model_PM - # Set all phase offsets to zero for TX amplitude < MPM_tx_min - self.MPM_tx_min = 0.1 - - # Constants for TX_Agc - self.TAGC_max_txgain = 89 # USRP B200 specific - self.TAGC_tx_median_target = cli_args.target_median - self.TAGC_tx_median_max = self.TAGC_tx_median_target * 1.4 - self.TAGC_tx_median_min = self.TAGC_tx_median_target / 1.4 - - # Constants for RX_AGC - self.RAGC_min_rxgain = 25 # USRP B200 specific - self.RAGC_rx_median_target = cli_args.target_median - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Heuristics.py b/dpd/src/Heuristics.py deleted file mode 100644 index 21d400b..0000000 --- a/dpd/src/Heuristics.py +++ /dev/null @@ -1,56 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, heuristics we use to tune the parameters. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import numpy as np - - -def get_learning_rate(idx_run): - """Gradually reduce learning rate from lr_max to lr_min within - idx_max steps, then keep the learning rate at lr_min""" - idx_max = 10.0 - lr_min = 0.05 - lr_max = 0.4 - lr_delta = lr_max - lr_min - idx_run = min(idx_run, idx_max) - learning_rate = lr_max - lr_delta * idx_run / idx_max - return learning_rate - - -def get_n_meas(idx_run): - """Gradually increase number of measurements used to extract - a statistic from n_meas_min to n_meas_max within idx_max steps, - then keep number of measurements at n_meas_max""" - idx_max = 10.0 - n_meas_min = 10 - n_meas_max = 20 - n_meas_delta = n_meas_max - n_meas_min - idx_run = min(idx_run, idx_max) - learning_rate = n_meas_delta * idx_run / idx_max + n_meas_min - return int(np.round(learning_rate)) - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/MER.py b/dpd/src/MER.py deleted file mode 100644 index 693058d..0000000 --- a/dpd/src/MER.py +++ /dev/null @@ -1,132 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, Modulation Error Rate. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import numpy as np -import matplotlib -matplotlib.use('agg') -import matplotlib.pyplot as plt - -class MER: - def __init__(self, c): - self.c = c - - self.plot = c.MER_plot - - def _calc_spectrum(self, tx): - fft = np.fft.fftshift(np.fft.fft(tx)) - return np.delete(fft[self.c.FFT_start:self.c.FFT_end], - self.c.FFT_delete) - - def _split_in_carrier(self, x, y): - if 0.5 < np.mean((np.abs(np.abs(x) - np.abs(y)) / - np.abs(np.abs(x) + np.abs(y)))): - # Constellation points are axis aligned on the Im/Re plane - x1 = x[(y < x) & (y > -x)] - y1 = y[(y < x) & (y > -x)] - - x2 = x[(y > x) & (y > -x)] - y2 = y[(y > x) & (y > -x)] - - x3 = x[(y > x) & (y < -x)] - y3 = y[(y > x) & (y < -x)] - - x4 = x[(y < x) & (y < -x)] - y4 = y[(y < x) & (y < -x)] - else: - # Constellation points are on the diagonal or Im/Re plane - x1 = x[(+x > 0) & (+y > 0)] - y1 = y[(+x > 0) & (+y > 0)] - - x2 = x[(-x > 0) & (+y > 0)] - y2 = y[(-x > 0) & (+y > 0)] - - x3 = x[(-x > 0) & (-y > 0)] - y3 = y[(-x > 0) & (-y > 0)] - - x4 = x[(+x > 0) & (-y > 0)] - y4 = y[(+x > 0) & (-y > 0)] - return (x1, y1), (x2, y2), (x3, y3), (x4, y4) - - def _calc_mer_for_isolated_constellation_point(self, x, y): - """Calculate MER for one constellation point""" - x_mean = np.mean(x) - y_mean = np.mean(y) - - U_RMS = np.sqrt(x_mean ** 2 + y_mean ** 2) - U_ERR = np.mean(np.sqrt((x - x_mean) ** 2 + (y - y_mean) ** 2)) - MER = 20 * np.log10(U_ERR / U_RMS) - - return x_mean, y_mean, U_RMS, U_ERR, MER - - def calc_mer(self, tx, debug_name=""): - """Calculate MER for input signal from a symbol aligned signal.""" - assert tx.shape[0] == self.c.T_U, "Wrong input length" - - spectrum = self._calc_spectrum(tx) - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_MER" + debug_name + ".png" - else: - fig_path = None - - MERs = [] - for i, (x, y) in enumerate(self._split_in_carrier( - np.real(spectrum), - np.imag(spectrum))): - x_mean, y_mean, U_RMS, U_ERR, MER =\ - self._calc_mer_for_isolated_constellation_point(x, y) - MERs.append(MER) - - tau = np.linspace(0, 2 * np.pi, num=100) - x_err = U_ERR * np.sin(tau) + x_mean - y_err = U_ERR * np.cos(tau) + y_mean - - if self.plot: - ax = plt.subplot(221 + i) - ax.scatter(x, y, s=0.2, color='black') - ax.plot(x_mean, y_mean, 'p', color='red') - ax.plot(x_err, y_err, linewidth=2, color='blue') - ax.text(0.1, 0.1, "MER {:.1f}dB".format(MER), transform=ax.transAxes) - ax.set_xlabel("Real") - ax.set_ylabel("Imag") - ylim = ax.get_ylim() - ax.set_ylim(ylim[0] - (ylim[1] - ylim[0]) * 0.1, ylim[1]) - - if fig_path is not None: - plt.tight_layout() - plt.savefig(fig_path) - plt.show() - plt.close() - - MER_res = 20 * np.log10(np.mean([10 ** (MER / 20) for MER in MERs])) - return MER_res - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Measure.py b/dpd/src/Measure.py deleted file mode 100644 index 6d8007d..0000000 --- a/dpd/src/Measure.py +++ /dev/null @@ -1,136 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, Measure signal using ODR-DabMod's -# DPD Server. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import socket -import struct -import numpy as np -import src.Dab_Util as DU -import os -import logging - -class Measure: - """Collect Measurement from DabMod""" - def __init__(self, config, samplerate, port, num_samples_to_request): - logging.info("Instantiate Measure object") - self.c = config - self.samplerate = samplerate - self.sizeof_sample = 8 # complex floats - self.port = port - self.num_samples_to_request = num_samples_to_request - - def _recv_exact(self, sock, num_bytes): - """Receive an exact number of bytes from a socket. This is - a wrapper around sock.recv() that can return less than the number - of requested bytes. - - Args: - sock (socket): Socket to receive data from. - num_bytes (int): Number of bytes that will be returned. - """ - bufs = [] - while num_bytes > 0: - b = sock.recv(num_bytes) - if len(b) == 0: - break - num_bytes -= len(b) - bufs.append(b) - return b''.join(bufs) - - def receive_tcp(self): - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - s.settimeout(4) - s.connect(('localhost', self.port)) - - logging.debug("Send version") - s.sendall(b"\x01") - - logging.debug("Send request for {} samples".format(self.num_samples_to_request)) - s.sendall(struct.pack("=I", self.num_samples_to_request)) - - logging.debug("Wait for TX metadata") - num_samps, tx_second, tx_pps = struct.unpack("=III", self._recv_exact(s, 12)) - tx_ts = tx_second + tx_pps / 16384000.0 - - if num_samps > 0: - logging.debug("Receiving {} TX samples".format(num_samps)) - txframe_bytes = self._recv_exact(s, num_samps * self.sizeof_sample) - txframe = np.fromstring(txframe_bytes, dtype=np.complex64) - else: - txframe = np.array([], dtype=np.complex64) - - logging.debug("Wait for RX metadata") - rx_second, rx_pps = struct.unpack("=II", self._recv_exact(s, 8)) - rx_ts = rx_second + rx_pps / 16384000.0 - - if num_samps > 0: - logging.debug("Receiving {} RX samples".format(num_samps)) - rxframe_bytes = self._recv_exact(s, num_samps * self.sizeof_sample) - rxframe = np.fromstring(rxframe_bytes, dtype=np.complex64) - else: - rxframe = np.array([], dtype=np.complex64) - - if logging.getLogger().getEffectiveLevel() == logging.DEBUG: - logging.debug('txframe: min {}, max {}, median {}'.format( - np.min(np.abs(txframe)), - np.max(np.abs(txframe)), - np.median(np.abs(txframe)))) - - logging.debug('rxframe: min {}, max {}, median {}'.format( - np.min(np.abs(rxframe)), - np.max(np.abs(rxframe)), - np.median(np.abs(rxframe)))) - - logging.debug("Disconnecting") - s.close() - - return txframe, tx_ts, rxframe, rx_ts - - - def get_samples(self): - """Connect to ODR-DabMod, retrieve TX and RX samples, load - into numpy arrays, and return a tuple - (txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median) - """ - - txframe, tx_ts, rxframe, rx_ts = self.receive_tcp() - - # Normalize received signal with sent signal - rx_median = np.median(np.abs(rxframe)) - rxframe = rxframe / rx_median * np.median(np.abs(txframe)) - - du = DU.Dab_Util(self.c, self.samplerate) - txframe_aligned, rxframe_aligned = du.subsample_align(txframe, rxframe) - - logging.info( - "Measurement done, tx %d %s, rx %d %s, tx aligned %d %s, rx aligned %d %s" - % (len(txframe), txframe.dtype, len(rxframe), rxframe.dtype, - len(txframe_aligned), txframe_aligned.dtype, len(rxframe_aligned), rxframe_aligned.dtype) ) - - return txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Measure_Shoulders.py b/dpd/src/Measure_Shoulders.py deleted file mode 100644 index fd90050..0000000 --- a/dpd/src/Measure_Shoulders.py +++ /dev/null @@ -1,158 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, calculate peak to shoulder difference. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import multiprocessing -import numpy as np -import matplotlib.pyplot as plt - - -def plt_next_axis(sub_rows, sub_cols, i_sub): - i_sub += 1 - ax = plt.subplot(sub_rows, sub_cols, i_sub) - return i_sub, ax - - -def plt_annotate(ax, x, y, title=None, legend_loc=None): - ax.set_xlabel(x) - ax.set_ylabel(y) - if title is not None: - ax.set_title(title) - if legend_loc is not None: - ax.legend(loc=legend_loc) - - -def calc_fft_db(signal, offset, c): - fft = np.fft.fftshift(np.fft.fft(signal[offset:offset + c.MS_FFT_size])) - fft_db = 20 * np.log10(np.abs(fft)) - return fft_db - - -def _calc_peak(fft, c): - assert fft.shape == (c.MS_FFT_size,), fft.shape - idxs = (c.MS_peak_start, c.MS_peak_end) - peak = np.mean(fft[idxs[0]:idxs[1]]) - return peak, idxs - - -def _calc_shoulder_hight(fft_db, c): - assert fft_db.shape == (c.MS_FFT_size,), fft_db.shape - idxs_left = (c.MS_shoulder_left_start, c.MS_shoulder_left_end) - idxs_right = (c.MS_shoulder_right_start, c.MS_shoulder_right_end) - - shoulder_left = np.mean(fft_db[idxs_left[0]:idxs_left[1]]) - shoulder_right = np.mean(fft_db[idxs_right[0]:idxs_right[1]]) - - shoulder = np.mean((shoulder_left, shoulder_right)) - return shoulder, (idxs_left, idxs_right) - - -def calc_shoulder(fft, c): - peak = _calc_peak(fft, c)[0] - shoulder = _calc_shoulder_hight(fft, c)[0] - assert (peak >= shoulder), (peak, shoulder) - return peak, shoulder - - -def shoulder_from_sig_offset(arg): - signal, offset, c = arg - fft_db = calc_fft_db(signal, offset, c) - peak, shoulder = calc_shoulder(fft_db, c) - return peak - shoulder, peak, shoulder - - -class Measure_Shoulders: - """Calculate difference between the DAB signal and the shoulder hight in the - power spectrum""" - - def __init__(self, c): - self.c = c - self.plot = c.MS_plot - - def _plot(self, signal): - if self.c.plot_location is None: - return - - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_sync_subsample_aligned.png" - - fft = calc_fft_db(signal, 100, self.c) - peak, idxs_peak = _calc_peak(fft, self.c) - shoulder, idxs_sh = _calc_shoulder_hight(fft, self.c) - - sub_rows = 1 - sub_cols = 1 - fig = plt.figure(figsize=(sub_cols * 6, sub_rows / 2. * 6)) - i_sub = 0 - - i_sub, ax = plt_next_axis(sub_rows, sub_cols, i_sub) - ax.scatter(np.arange(fft.shape[0]), fft, s=0.1, - label="FFT", - color="red") - ax.plot(idxs_peak, (peak, peak)) - ax.plot(idxs_sh[0], (shoulder, shoulder), color='blue') - ax.plot(idxs_sh[1], (shoulder, shoulder), color='blue') - plt_annotate(ax, "Frequency", "Magnitude [dB]", None, 4) - - ax.text(100, -17, str(calc_shoulder(fft, self.c))) - - ax.set_ylim(-20, 30) - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - def average_shoulders(self, signal, n_avg=None): - if not self.c.MS_enable: - logging.info("Shoulder Measurement disabled via Const.py") - return None - - assert signal.shape[0] > 4 * self.c.MS_FFT_size - if n_avg is None: - n_avg = self.c.MS_averaging_size - - off_min = 0 - off_max = signal.shape[0] - self.c.MS_FFT_size - offsets = np.linspace(off_min, off_max, num=n_avg, dtype=int) - - args = zip( - [signal, ] * offsets.shape[0], - offsets, - [self.c, ] * offsets.shape[0] - ) - - pool = multiprocessing.Pool(self.c.MS_n_proc) - res = pool.map(shoulder_from_sig_offset, args) - shoulders_diff, shoulders, peaks = zip(*res) - - if logging.getLogger().getEffectiveLevel() == logging.DEBUG and self.plot: - self._plot(signal) - - return np.mean(shoulders_diff), np.mean(shoulders), np.mean(peaks) - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Model.py b/dpd/src/Model.py deleted file mode 100644 index b2c303f..0000000 --- a/dpd/src/Model.py +++ /dev/null @@ -1,32 +0,0 @@ -# -*- coding: utf-8 -*- -from src.Model_Poly import Poly -from src.Model_Lut import Lut - -def select_model_from_dpddata(dpddata): - if dpddata[0] == 'lut': - return Lut - elif dpddata[0] == 'poly': - return Poly - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Model_AM.py b/dpd/src/Model_AM.py deleted file mode 100644 index 75b226f..0000000 --- a/dpd/src/Model_AM.py +++ /dev/null @@ -1,122 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, model implementation for Amplitude and not Phase -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import numpy as np -import matplotlib.pyplot as plt - - -def is_npfloat32(array): - assert isinstance(array, np.ndarray), type(array) - assert array.dtype == np.float32, array.dtype - assert array.flags.contiguous - assert not any(np.isnan(array)) - - -def check_input_get_next_coefs(tx_dpd, rx_received): - is_npfloat32(tx_dpd) - is_npfloat32(rx_received) - - -def poly(sig): - return np.array([sig ** i for i in range(1, 6)]).T - - -def fit_poly(tx_abs, rx_abs): - return np.linalg.lstsq(poly(rx_abs), tx_abs, rcond=None)[0] - - -def calc_line(coefs, min_amp, max_amp): - rx_range = np.linspace(min_amp, max_amp) - tx_est = np.sum(poly(rx_range) * coefs, axis=1) - return tx_est, rx_range - - -class Model_AM: - """Calculates new coefficients using the measurement and the previous - coefficients""" - - def __init__(self, - c, - learning_rate_am=1, - plot=False): - self.c = c - - self.learning_rate_am = learning_rate_am - self.plot = plot - - def _plot(self, tx_dpd, rx_received, coefs_am, coefs_am_new): - if self.plot and self.c.plot_location is not None: - tx_range, rx_est = calc_line(coefs_am, 0, 0.6) - tx_range_new, rx_est_new = calc_line(coefs_am_new, 0, 0.6) - - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_Model_AM.png" - sub_rows = 1 - sub_cols = 1 - fig = plt.figure(figsize=(sub_cols * 6, sub_rows / 2. * 6)) - i_sub = 0 - - i_sub += 1 - ax = plt.subplot(sub_rows, sub_cols, i_sub) - ax.plot(tx_range, rx_est, - label="Estimated TX", - alpha=0.3, - color="gray") - ax.plot(tx_range_new, rx_est_new, - label="New Estimated TX", - color="red") - ax.scatter(tx_dpd, rx_received, - label="Binned Data", - color="blue", - s=1) - ax.set_title("Model_AM") - ax.set_xlabel("TX Amplitude") - ax.set_ylabel("RX Amplitude") - ax.set_xlim(-0.5, 1.5) - ax.legend(loc=4) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - def get_next_coefs(self, tx_dpd, rx_received, coefs_am): - """Calculate the next AM/AM coefficients using the extracted - statistic of TX and RX amplitude""" - check_input_get_next_coefs(tx_dpd, rx_received) - - coefs_am_new = fit_poly(tx_dpd, rx_received) - coefs_am_new = coefs_am + \ - self.learning_rate_am * (coefs_am_new - coefs_am) - - self._plot(tx_dpd, rx_received, coefs_am, coefs_am_new) - - return coefs_am_new - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Model_Lut.py b/dpd/src/Model_Lut.py deleted file mode 100644 index e70fdb0..0000000 --- a/dpd/src/Model_Lut.py +++ /dev/null @@ -1,60 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, model implementation using polynomial -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import os -import logging -import numpy as np - -class Lut: - """Implements a model that calculates lookup table coefficients""" - - def __init__(self, - c, - learning_rate=1., - plot=False): - """ - - :rtype: - """ - logging.debug("Initialising LUT Model") - self.c = c - self.learning_rate = learning_rate - self.plot = plot - self.reset_coefs() - - def reset_coefs(self): - self.scalefactor = 0xFFFFFFFF # max uint32_t value - self.lut = np.ones(32, dtype=np.complex64) - - def train(self, tx_abs, rx_abs, phase_diff): - pass - - def get_dpd_data(self): - return "lut", self.scalefactor, self.lut - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Model_PM.py b/dpd/src/Model_PM.py deleted file mode 100644 index 7b80bf3..0000000 --- a/dpd/src/Model_PM.py +++ /dev/null @@ -1,124 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, model implementation for Amplitude and not Phase -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import numpy as np -import matplotlib.pyplot as plt - - -def is_npfloat32(array): - assert isinstance(array, np.ndarray), type(array) - assert array.dtype == np.float32, array.dtype - assert array.flags.contiguous - assert not any(np.isnan(array)) - - -def check_input_get_next_coefs(tx_dpd, phase_diff): - is_npfloat32(tx_dpd) - is_npfloat32(phase_diff) - - -class Model_PM: - """Calculates new coefficients using the measurement and the previous - coefficients""" - - def __init__(self, - c, - learning_rate_pm=1, - plot=False): - self.c = c - - self.learning_rate_pm = learning_rate_pm - self.plot = plot - - def _plot(self, tx_dpd, phase_diff, coefs_pm, coefs_pm_new): - if self.plot and self.c.plot_location is not None: - tx_range, phase_diff_est = self.calc_line(coefs_pm, 0, 0.6) - tx_range_new, phase_diff_est_new = self.calc_line(coefs_pm_new, 0, 0.6) - - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_Model_PM.png" - sub_rows = 1 - sub_cols = 1 - fig = plt.figure(figsize=(sub_cols * 6, sub_rows / 2. * 6)) - i_sub = 0 - - i_sub += 1 - ax = plt.subplot(sub_rows, sub_cols, i_sub) - ax.plot(tx_range, phase_diff_est, - label="Estimated Phase Diff", - alpha=0.3, - color="gray") - ax.plot(tx_range_new, phase_diff_est_new, - label="New Estimated Phase Diff", - color="red") - ax.scatter(tx_dpd, phase_diff, - label="Binned Data", - color="blue", - s=1) - ax.set_title("Model_PM") - ax.set_xlabel("TX Amplitude") - ax.set_ylabel("Phase DIff") - ax.legend(loc=4) - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - def _discard_small_values(self, tx_dpd, phase_diff): - """ Assumes that the phase for small tx amplitudes is zero""" - mask = tx_dpd < self.c.MPM_tx_min - phase_diff[mask] = 0 - return tx_dpd, phase_diff - - def poly(self, sig): - return np.array([sig ** i for i in range(0, 5)]).T - - def fit_poly(self, tx_abs, phase_diff): - return np.linalg.lstsq(self.poly(tx_abs), phase_diff, rcond=None)[0] - - def calc_line(self, coefs, min_amp, max_amp): - tx_range = np.linspace(min_amp, max_amp) - phase_diff = np.sum(self.poly(tx_range) * coefs, axis=1) - return tx_range, phase_diff - - def get_next_coefs(self, tx_dpd, phase_diff, coefs_pm): - """Calculate the next AM/PM coefficients using the extracted - statistic of TX amplitude and phase difference""" - tx_dpd, phase_diff = self._discard_small_values(tx_dpd, phase_diff) - check_input_get_next_coefs(tx_dpd, phase_diff) - - coefs_pm_new = self.fit_poly(tx_dpd, phase_diff) - - coefs_pm_new = coefs_pm + self.learning_rate_pm * (coefs_pm_new - coefs_pm) - self._plot(tx_dpd, phase_diff, coefs_pm, coefs_pm_new) - - return coefs_pm_new - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Model_Poly.py b/dpd/src/Model_Poly.py deleted file mode 100644 index cdfd319..0000000 --- a/dpd/src/Model_Poly.py +++ /dev/null @@ -1,101 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, model implementation using polynomial -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import os -import logging -import numpy as np - -import src.Model_AM as Model_AM -import src.Model_PM as Model_PM - - -def assert_np_float32(x): - assert isinstance(x, np.ndarray) - assert x.dtype == np.float32 - assert x.flags.contiguous - - -def _check_input_get_next_coefs(tx_abs, rx_abs, phase_diff): - assert_np_float32(tx_abs) - assert_np_float32(rx_abs) - assert_np_float32(phase_diff) - - assert tx_abs.shape == rx_abs.shape, \ - "tx_abs.shape {}, rx_abs.shape {}".format( - tx_abs.shape, rx_abs.shape) - assert tx_abs.shape == phase_diff.shape, \ - "tx_abs.shape {}, phase_diff.shape {}".format( - tx_abs.shape, phase_diff.shape) - - -class Poly: - """Calculates new coefficients using the measurement and the previous - coefficients""" - - def __init__(self, - c, - learning_rate_am=1.0, - learning_rate_pm=1.0): - self.c = c - self.plot = c.MDL_plot - - self.learning_rate_am = learning_rate_am - self.learning_rate_pm = learning_rate_pm - - self.reset_coefs() - - self.model_am = Model_AM.Model_AM(c, plot=self.plot) - self.model_pm = Model_PM.Model_PM(c, plot=self.plot) - - def reset_coefs(self): - self.coefs_am = np.zeros(5, dtype=np.float32) - self.coefs_am[0] = 1 - self.coefs_pm = np.zeros(5, dtype=np.float32) - - def train(self, tx_abs, rx_abs, phase_diff, lr=None): - """ - :type tx_abs: np.ndarray - :type rx_abs: np.ndarray - :type phase_diff: np.ndarray - :type lr: float - """ - _check_input_get_next_coefs(tx_abs, rx_abs, phase_diff) - - if not lr is None: - self.model_am.learning_rate_am = lr - self.model_pm.learning_rate_pm = lr - - coefs_am_new = self.model_am.get_next_coefs(tx_abs, rx_abs, self.coefs_am) - coefs_pm_new = self.model_pm.get_next_coefs(tx_abs, phase_diff, self.coefs_pm) - - self.coefs_am = self.coefs_am + (coefs_am_new - self.coefs_am) * self.learning_rate_am - self.coefs_pm = self.coefs_pm + (coefs_pm_new - self.coefs_pm) * self.learning_rate_pm - - def get_dpd_data(self): - return "poly", self.coefs_am, self.coefs_pm - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/RX_Agc.py b/dpd/src/RX_Agc.py deleted file mode 100644 index f778dee..0000000 --- a/dpd/src/RX_Agc.py +++ /dev/null @@ -1,166 +0,0 @@ -# -*- coding: utf-8 -*- -# -# Automatic Gain Control -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import time -import numpy as np -import matplotlib -matplotlib.use('agg') -import matplotlib.pyplot as plt - -import src.Adapt as Adapt -import src.Measure as Measure - -class Agc: - """The goal of the automatic gain control is to set the - RX gain to a value at which all received amplitudes can - be detected. This means that the maximum possible amplitude - should be quantized at the highest possible digital value. - - A problem we have to face, is that the estimation of the - maximum amplitude by applying the max() function is very - unstable. This is due to the maximum’s rareness. Therefore - we estimate a far more robust value, such as the median, - and then approximate the maximum amplitude from it. - - Given this, we tune the RX gain in such a way, that the - received signal fulfills our desired property, of having - all amplitudes properly quantized.""" - - def __init__(self, measure, adapt, c): - assert isinstance(measure, Measure.Measure) - assert isinstance(adapt, Adapt.Adapt) - self.measure = measure - self.adapt = adapt - self.min_rxgain = c.RAGC_min_rxgain - self.rxgain = self.min_rxgain - self.peak_to_median = 1./c.RAGC_rx_median_target - - def run(self): - self.adapt.set_rxgain(self.rxgain) - - for i in range(2): - # Measure - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median= \ - self.measure.get_samples() - - # Estimate Maximum - rx_peak = self.peak_to_median * rx_median - correction_factor = 20*np.log10(1/rx_peak) - self.rxgain = self.rxgain + correction_factor - - assert self.min_rxgain <= self.rxgain, ("Desired RX Gain is {} which is smaller than the minimum of {}".format( - self.rxgain, self.min_rxgain)) - - logging.info("RX Median {:1.4f}, estimated peak {:1.4f}, correction factor {:1.4f}, new RX gain {:1.4f}".format( - rx_median, rx_peak, correction_factor, self.rxgain - )) - - self.adapt.set_rxgain(self.rxgain) - time.sleep(0.5) - - def plot_estimates(self): - """Plots the estimate of for Max, Median, Mean for different - number of samples.""" - if self.c.plot_location is None: - return - - self.adapt.set_rxgain(self.min_rxgain) - time.sleep(1) - - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_agc.png" - fig, axs = plt.subplots(2, 2, figsize=(3*6,1*6)) - axs = axs.ravel() - - for j in range(5): - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median =\ - self.measure.get_samples() - - rxframe_aligned_abs = np.abs(rxframe_aligned) - - x = np.arange(100, rxframe_aligned_abs.shape[0], dtype=int) - rx_max_until = [] - rx_median_until = [] - rx_mean_until = [] - for i in x: - rx_max_until.append(np.max(rxframe_aligned_abs[:i])) - rx_median_until.append(np.median(rxframe_aligned_abs[:i])) - rx_mean_until.append(np.mean(rxframe_aligned_abs[:i])) - - axs[0].plot(x, - rx_max_until, - label="Run {}".format(j+1), - color=matplotlib.colors.hsv_to_rgb((1./(j+1.),0.8,0.7)), - linestyle="-", linewidth=0.25) - axs[0].set_xlabel("Samples") - axs[0].set_ylabel("Amplitude") - axs[0].set_title("Estimation for Maximum RX Amplitude") - axs[0].legend() - - axs[1].plot(x, - rx_median_until, - label="Run {}".format(j+1), - color=matplotlib.colors.hsv_to_rgb((1./(j+1.),0.9,0.7)), - linestyle="-", linewidth=0.25) - axs[1].set_xlabel("Samples") - axs[1].set_ylabel("Amplitude") - axs[1].set_title("Estimation for Median RX Amplitude") - axs[1].legend() - ylim_1 = axs[1].get_ylim() - - axs[2].plot(x, - rx_mean_until, - label="Run {}".format(j+1), - color=matplotlib.colors.hsv_to_rgb((1./(j+1.),0.9,0.7)), - linestyle="-", linewidth=0.25) - axs[2].set_xlabel("Samples") - axs[2].set_ylabel("Amplitude") - axs[2].set_title("Estimation for Mean RX Amplitude") - ylim_2 = axs[2].get_ylim() - axs[2].legend() - - axs[1].set_ylim(min(ylim_1[0], ylim_2[0]), - max(ylim_1[1], ylim_2[1])) - - fig.tight_layout() - fig.savefig(fig_path) - - axs[3].hist(rxframe_aligned_abs, bins=60) - axs[3].set_xlabel("Amplitude") - axs[3].set_ylabel("Frequency") - axs[3].set_title("Histogram of Amplitudes") - axs[3].legend() - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/Symbol_align.py b/dpd/src/Symbol_align.py deleted file mode 100644 index 2a17a65..0000000 --- a/dpd/src/Symbol_align.py +++ /dev/null @@ -1,193 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, Modulation Error Rate. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import numpy as np -import scipy -import matplotlib - -matplotlib.use('agg') -import matplotlib.pyplot as plt - - -def _remove_outliers(x, stds=5): - deviation_from_mean = np.abs(x - np.mean(x)) - inlier_idxs = deviation_from_mean < stds * np.std(x) - x = x[inlier_idxs] - return x - - -def _calc_delta_angle(fft): - # Introduce invariance against carrier - angles = np.angle(fft) % (np.pi / 2.) - - # Calculate Angle difference and compensate jumps - deltas_angle = np.diff(angles) - deltas_angle[deltas_angle > np.pi / 4.] = \ - deltas_angle[deltas_angle > np.pi / 4.] - np.pi / 2. - deltas_angle[-deltas_angle > np.pi / 4.] = \ - deltas_angle[-deltas_angle > np.pi / 4.] + np.pi / 2. - deltas_angle = _remove_outliers(deltas_angle) - - delta_angle = np.mean(deltas_angle) - - return delta_angle - - -class Symbol_align: - """ - Find the phase offset to the start of the DAB symbols in an - unaligned dab signal. - """ - - def __init__(self, c, plot=False): - self.c = c - self.plot = plot - pass - - def _calc_offset_to_first_symbol_without_prefix(self, tx): - tx_orig = tx[0:-self.c.T_U] - tx_cut_prefix = tx[self.c.T_U:] - - tx_product = np.abs(tx_orig - tx_cut_prefix) - tx_product_avg = np.correlate( - tx_product, - np.ones(self.c.T_C), - mode='valid') - tx_product_avg_min_filt = \ - scipy.ndimage.filters.minimum_filter1d( - tx_product_avg, - int(1.5 * self.c.T_S) - ) - peaks = np.ravel(np.where(tx_product_avg == tx_product_avg_min_filt)) - - offset = peaks[np.argmin([tx_product_avg[peak] for peak in peaks])] - - if self.plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_Symbol_align.png" - - fig = plt.figure(figsize=(9, 9)) - - ax = fig.add_subplot(4, 1, 1) - ax.plot(tx_product) - ylim = ax.get_ylim() - for peak in peaks: - ax.plot((peak, peak), (ylim[0], ylim[1])) - if peak == offset: - ax.text(peak, ylim[0] + 0.3 * np.diff(ylim), "offset", rotation=90) - else: - ax.text(peak, ylim[0] + 0.2 * np.diff(ylim), "peak", rotation=90) - ax.set_xlabel("Sample") - ax.set_ylabel("Conj. Product") - ax.set_title("Difference with shifted self") - - ax = fig.add_subplot(4, 1, 2) - ax.plot(tx_product_avg) - ylim = ax.get_ylim() - for peak in peaks: - ax.plot((peak, peak), (ylim[0], ylim[1])) - if peak == offset: - ax.text(peak, ylim[0] + 0.3 * np.diff(ylim), "offset", rotation=90) - else: - ax.text(peak, ylim[0] + 0.2 * np.diff(ylim), "peak", rotation=90) - ax.set_xlabel("Sample") - ax.set_ylabel("Conj. Product") - ax.set_title("Moving Average") - - ax = fig.add_subplot(4, 1, 3) - ax.plot(tx_product_avg_min_filt) - ylim = ax.get_ylim() - for peak in peaks: - ax.plot((peak, peak), (ylim[0], ylim[1])) - if peak == offset: - ax.text(peak, ylim[0] + 0.3 * np.diff(ylim), "offset", rotation=90) - else: - ax.text(peak, ylim[0] + 0.2 * np.diff(ylim), "peak", rotation=90) - ax.set_xlabel("Sample") - ax.set_ylabel("Conj. Product") - ax.set_title("Min Filter") - - ax = fig.add_subplot(4, 1, 4) - tx_product_crop = tx_product[peaks[0] - 50:peaks[0] + 50] - x = range(tx_product.shape[0])[peaks[0] - 50:peaks[0] + 50] - ax.plot(x, tx_product_crop) - ylim = ax.get_ylim() - ax.plot((peaks[0], peaks[0]), (ylim[0], ylim[1])) - ax.set_xlabel("Sample") - ax.set_ylabel("Conj. Product") - ax.set_title("Difference with shifted self") - - fig.tight_layout() - fig.savefig(fig_path) - plt.close(fig) - - # "offset" measures where the shifted signal matches the - # original signal. Therefore we have to subtract the size - # of the shift to find the offset of the symbol start. - return (offset + self.c.T_C) % self.c.T_S - - def _delta_angle_to_samples(self, angle): - return - angle / self.c.phase_offset_per_sample - - def _calc_sample_offset(self, sig): - assert sig.shape[0] == self.c.T_U, \ - "Input length is not a Symbol without cyclic prefix" - - fft = np.fft.fftshift(np.fft.fft(sig)) - fft_crop = np.delete(fft[self.c.FFT_start:self.c.FFT_end], self.c.FFT_delete) - delta_angle = _calc_delta_angle(fft_crop) - delta_sample = self._delta_angle_to_samples(delta_angle) - delta_sample_int = np.round(delta_sample).astype(int) - error = np.abs(delta_sample_int - delta_sample) - if error > 0.1: - raise RuntimeError("Could not calculate " \ - "sample offset. Error {}".format(error)) - return delta_sample_int - - def calc_offset(self, tx): - """Calculate the offset the first symbol""" - off_sym = self._calc_offset_to_first_symbol_without_prefix( - tx) - off_sam = self._calc_sample_offset( - tx[off_sym:off_sym + self.c.T_U]) - off = (off_sym + off_sam) % self.c.T_S - - assert self._calc_sample_offset(tx[off:off + self.c.T_U]) == 0, \ - "Failed to calculate offset" - return off - - def crop_symbol_without_cyclic_prefix(self, tx): - off = self.calc_offset(tx) - return tx[ - off: - off + self.c.T_U - ] - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/TX_Agc.py b/dpd/src/TX_Agc.py deleted file mode 100644 index 309193d..0000000 --- a/dpd/src/TX_Agc.py +++ /dev/null @@ -1,131 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, Automatic Gain Control. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import datetime -import os -import logging -import time -import numpy as np -import matplotlib - -matplotlib.use('agg') -import matplotlib.pyplot as plt - -import src.Adapt as Adapt - - -# TODO fix for float tx_gain -class TX_Agc: - def __init__(self, - adapt, - c): - """ - In order to avoid digital clipping, this class increases the - TX gain and reduces the digital gain. Digital clipping happens - when the digital analog converter receives values greater than - it's maximal output. This class solves that problem by adapting - the TX gain in a way that the peaks of the TX signal are in a - specified range. The TX gain is adapted accordingly. The TX peaks - are approximated by estimating it based on the signal median. - - :param adapt: Instance of Adapt Class to update - txgain and coefficients - :param max_txgain: limit for TX gain - :param tx_median_threshold_max: if the median of TX is larger - than this value, then the digital gain is reduced - :param tx_median_threshold_min: if the median of TX is smaller - than this value, then the digital gain is increased - :param tx_median_target: The digital gain is reduced in a way that - the median TX value is expected to be lower than this value. - """ - - assert isinstance(adapt, Adapt.Adapt) - self.adapt = adapt - self.max_txgain = c.TAGC_max_txgain - self.txgain = self.max_txgain - - self.tx_median_threshold_tolerate_max = c.TAGC_tx_median_max - self.tx_median_threshold_tolerate_min = c.TAGC_tx_median_min - self.tx_median_target = c.TAGC_tx_median_target - - def _calc_new_tx_gain(self, tx_median): - delta_db = 20 * np.log10(self.tx_median_target / tx_median) - new_txgain = self.adapt.get_txgain() - delta_db - assert new_txgain < self.max_txgain, \ - "TX_Agc failed. New TX gain of {} is too large.".format( - new_txgain - ) - return new_txgain, delta_db - - def _calc_digital_gain(self, delta_db): - digital_gain_factor = 10 ** (delta_db / 20.) - digital_gain = self.adapt.get_digital_gain() * digital_gain_factor - return digital_gain, digital_gain_factor - - def _set_tx_gain(self, new_txgain): - self.adapt.set_txgain(new_txgain) - txgain = self.adapt.get_txgain() - return txgain - - def _have_to_adapt(self, tx_median): - too_large = tx_median > self.tx_median_threshold_tolerate_max - too_small = tx_median < self.tx_median_threshold_tolerate_min - return too_large or too_small - - def adapt_if_necessary(self, tx): - tx_median = np.median(np.abs(tx)) - - if self._have_to_adapt(tx_median): - # Calculate new values - new_txgain, delta_db = self._calc_new_tx_gain(tx_median) - digital_gain, digital_gain_factor = \ - self._calc_digital_gain(delta_db) - - # Set new values. - # Avoid temorary increase of output power with correct order - if digital_gain_factor < 1: - self.adapt.set_digital_gain(digital_gain) - time.sleep(0.5) - txgain = self._set_tx_gain(new_txgain) - time.sleep(1) - else: - txgain = self._set_tx_gain(new_txgain) - time.sleep(1) - self.adapt.set_digital_gain(digital_gain) - time.sleep(0.5) - - logging.info( - "digital_gain = {}, txgain_new = {}, " \ - "delta_db = {}, tx_median {}, " \ - "digital_gain_factor = {}". - format(digital_gain, txgain, delta_db, - tx_median, digital_gain_factor)) - - return True - return False - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/__init__.py b/dpd/src/__init__.py deleted file mode 100644 index e69de29..0000000 diff --git a/dpd/src/phase_align.py b/dpd/src/phase_align.py deleted file mode 100644 index 8654333..0000000 --- a/dpd/src/phase_align.py +++ /dev/null @@ -1,98 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, phase-align a signal against a reference. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file -import datetime -import os -import logging -import numpy as np -import matplotlib.pyplot as plt - - -def phase_align(sig, ref_sig, plot=False): - """Do phase alignment for sig relative to the reference signal - ref_sig. - - Returns the aligned signal""" - - angle_diff = (np.angle(sig) - np.angle(ref_sig)) % (2. * np.pi) - - real_diffs = np.cos(angle_diff) - imag_diffs = np.sin(angle_diff) - - if plot and self.c.plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = self.c.plot_location + "/" + dt + "_phase_align.png" - - plt.subplot(511) - plt.hist(angle_diff, bins=60, label="Angle Diff") - plt.xlabel("Angle") - plt.ylabel("Count") - plt.legend(loc=4) - - plt.subplot(512) - plt.hist(real_diffs, bins=60, label="Real Diff") - plt.xlabel("Real Part") - plt.ylabel("Count") - plt.legend(loc=4) - - plt.subplot(513) - plt.hist(imag_diffs, bins=60, label="Imaginary Diff") - plt.xlabel("Imaginary Part") - plt.ylabel("Count") - plt.legend(loc=4) - - plt.subplot(514) - plt.plot(np.angle(ref_sig[:128]), label="ref_sig") - plt.plot(np.angle(sig[:128]), label="sig") - plt.xlabel("Angle") - plt.ylabel("Sample") - plt.legend(loc=4) - - real_diff = np.median(real_diffs) - imag_diff = np.median(imag_diffs) - - angle = np.angle(real_diff + 1j * imag_diff) - - logging.debug( - "Compensating phase by {} rad, {} degree. real median {}, imag median {}".format( - angle, angle*180./np.pi, real_diff, imag_diff - )) - sig = sig * np.exp(1j * -angle) - - if logging.getLogger().getEffectiveLevel() == logging.DEBUG and plot: - plt.subplot(515) - plt.plot(np.angle(ref_sig[:128]), label="ref_sig") - plt.plot(np.angle(sig[:128]), label="sig") - plt.xlabel("Angle") - plt.ylabel("Sample") - plt.legend(loc=4) - plt.tight_layout() - plt.savefig(fig_path) - plt.close() - - return sig - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/src/subsample_align.py b/dpd/src/subsample_align.py deleted file mode 100755 index 20ae56b..0000000 --- a/dpd/src/subsample_align.py +++ /dev/null @@ -1,111 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, utility to do subsample alignment. -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file -import datetime -import logging -import os -import numpy as np -from scipy import optimize -import matplotlib.pyplot as plt - -def gen_omega(length): - if (length % 2) == 1: - raise ValueError("Needs an even length array.") - - halflength = int(length / 2) - factor = 2.0 * np.pi / length - - omega = np.zeros(length, dtype=np.float) - for i in range(halflength): - omega[i] = factor * i - - for i in range(halflength, length): - omega[i] = factor * (i - length) - - return omega - - -def subsample_align(sig, ref_sig, plot_location=None): - """Do subsample alignment for sig relative to the reference signal - ref_sig. The delay between the two must be less than sample - - Returns the aligned signal""" - - n = len(sig) - if (n % 2) == 1: - raise ValueError("Needs an even length signal.") - halflen = int(n / 2) - - fft_sig = np.fft.fft(sig) - - omega = gen_omega(n) - - def correlate_for_delay(tau): - # A subsample offset between two signals corresponds, in the frequency - # domain, to a linearly increasing phase shift, whose slope - # corresponds to the delay. - # - # Here, we build this phase shift in rotate_vec, and multiply it with - # our signal. - - rotate_vec = np.exp(1j * tau * omega) - # zero-frequency is rotate_vec[0], so rotate_vec[N/2] is the - # bin corresponding to the [-1, 1, -1, 1, ...] time signal, which - # is both the maximum positive and negative frequency. - # I don't remember why we handle it differently. - rotate_vec[halflen] = np.cos(np.pi * tau) - - corr_sig = np.fft.ifft(rotate_vec * fft_sig) - - return -np.abs(np.sum(np.conj(corr_sig) * ref_sig)) - - optim_result = optimize.minimize_scalar(correlate_for_delay, bounds=(-1, 1), method='bounded', - options={'disp': True}) - - if optim_result.success: - best_tau = optim_result.x - - if plot_location is not None: - corr = np.vectorize(correlate_for_delay) - ixs = np.linspace(-1, 1, 100) - taus = corr(ixs) - - dt = datetime.datetime.now().isoformat() - tau_path = (plot_location + "/" + dt + "_tau.png") - plt.plot(ixs, taus) - plt.title("Subsample correlation, minimum is best: {}".format(best_tau)) - plt.savefig(tau_path) - plt.close() - - # Prepare rotate_vec = fft_sig with rotated phase - rotate_vec = np.exp(1j * best_tau * omega) - rotate_vec[halflen] = np.cos(np.pi * best_tau) - return np.fft.ifft(rotate_vec * fft_sig).astype(np.complex64) - else: - # print("Could not optimize: " + optim_result.message) - return np.zeros(0, dtype=np.complex64) - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/dpd/store_received.py b/dpd/store_received.py deleted file mode 100755 index 19b735e..0000000 --- a/dpd/store_received.py +++ /dev/null @@ -1,85 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# This is an example tool that shows how to connect to ODR-DabMod's dpd TCP server -# and get samples from there. -# -# Since the TX and RX samples are not perfectly aligned, the tool has to align them properly, -# which is done in two steps: First on sample-level using a correlation, then with subsample -# accuracy using a FFT approach. -# -# It requires SciPy and matplotlib. -# -# Copyright (C) 2017 Matthias P. Braendli -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import sys -import socket -import struct -import argparse -import os -import time -from src.GlobalConfig import GlobalConfig -from src.Measure import Measure - -SIZEOF_SAMPLE = 8 # complex floats - -parser = argparse.ArgumentParser(description="Plot the spectrum of ODR-DabMod's DPD feedback") -parser.add_argument('--samps', default='10240', type=int, - help='Number of samples to request at once', - required=False) -parser.add_argument('--port', default='50055', type=int, - help='port to connect to ODR-DabMod DPD (default: 50055)', - required=False) -parser.add_argument('--count', default='1', type=int, - help='Number of recordings', - required=False) -parser.add_argument('--verbose', type=int, default=0, - help='Level of verbosity', - required=False) -parser.add_argument('--plot', - help='Enable all plots, to be more selective choose plots in GlobalConfig.py', - action="store_true") -parser.add_argument('--samplerate', default=8192000, type=int, - help='Sample rate', - required=False) - -cli_args = parser.parse_args() - -cli_args.target_median = 0.05 - -c = GlobalConfig(cli_args, None) - -meas = Measure(c, cli_args.samplerate, cli_args.port, cli_args.samps) - -for i in range(int(cli_args.count)): - if i>0: - time.sleep(0.1) - - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median = meas.get_samples() - - txframe_aligned.tofile("%d_tx_record.iq" % i) - rxframe_aligned.tofile("%d_rx_record.iq" % i) - -# The MIT License (MIT) -# -# Copyright (c) 2018 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. diff --git a/gui/README.md b/gui/README.md deleted file mode 100644 index ec55bc9..0000000 --- a/gui/README.md +++ /dev/null @@ -1,45 +0,0 @@ -ODR-DabMod Web UI -================= - -Goals ------ - -Enable users to play with digital predistortion settings, through a -visualisation of the settings and the parameters. - -Make it easier to discover the tuning possibilities of the modulator. - - -Install -------- - -Install dependencies: cherrypy, jinja2, scipy, matplotlib, zmq python modules - -Run ---- - -1. Execute ODR-DabMod, configured with zmq rc on port 9400 -1. `cd gui` -1. `./run.py` -1. Connect your browser to `http://localhost:8099` - -Todo ----- - -* Integrate DPDCE - * Show DPD settings and effect visually - * Allow load/store of DPD settings - * Make ports configurable -* Use Feedback Server interface and make spectrum and constellation plots -* Get authentication to work -* Read and write config file, and add forms to change ODR-DabMod configuration -* Connect to supervisord to be able to restart ODR-DabMod -* Create a status page - * Is process running? - * Is modulator rate within bounds? - * Are there underruns or late packets? - * Is the GPSDO ok? (needs new RC params) -* Think about how to show PA settings - * Return loss is an important metric - * Some PAs offer serial interfaces for supervision - diff --git a/gui/api/__init__.py b/gui/api/__init__.py deleted file mode 100755 index 77faa10..0000000 --- a/gui/api/__init__.py +++ /dev/null @@ -1,132 +0,0 @@ -# -*- coding: utf-8 -*- -# -# Copyright (C) 2018 -# Matthias P. Braendli, matthias.braendli@mpb.li -# -# http://www.opendigitalradio.org -# -# This file is part of ODR-DabMod. -# -# ODR-DabMod is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# ODR-DabMod is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with ODR-DabMod. If not, see . - -import cherrypy -from cherrypy.lib.httputil import parse_query_string - -import json -import urllib -import os - -import io -import datetime -import threading - -def send_ok(data=None): - if data is not None: - return {'status' : 'ok', 'data': data} - else: - return {'status': 'ok'} - -def send_error(reason=""): - if reason: - return {'status' : 'error', 'reason': reason} - else: - return {'status' : 'error'} - -class RXThread(threading.Thread): - def __init__(self, api): - super(RXThread, self).__init__() - self.api = api - self.running = False - self.daemon = True - - def cancel(self): - self.running = False - - def run(self): - self.running = True - while self.running: - if self.api.dpd_pipe.poll(1): - rx = self.api.dpd_pipe.recv() - if rx['cmd'] == "quit": - break - elif rx['cmd'] == "dpd-state": - self.api.dpd_state = rx['data'] - elif rx['cmd'] == "dpd-calibration-result": - self.api.calibration_result = rx['data'] - -class API: - def __init__(self, mod_rc, dpd_pipe): - self.mod_rc = mod_rc - self.dpd_pipe = dpd_pipe - self.dpd_state = None - self.calibration_result = None - self.receive_thread = RXThread(self) - self.receive_thread.start() - - @cherrypy.expose - def index(self): - return """This is the api area.""" - - @cherrypy.expose - @cherrypy.tools.json_out() - def rc_parameters(self): - return send_ok(self.mod_rc.get_modules()) - - @cherrypy.expose - @cherrypy.tools.json_out() - def parameter(self, **kwargs): - if cherrypy.request.method == 'POST': - cl = cherrypy.request.headers['Content-Length'] - rawbody = cherrypy.request.body.read(int(cl)) - params = json.loads(rawbody.decode()) - try: - self.mod_rc.set_param_value(params['controllable'], params['param'], params['value']) - except ValueError as e: - cherrypy.response.status = 400 - return send_error(str(e)) - return send_ok() - else: - cherrypy.response.status = 400 - return send_error("POST only") - - @cherrypy.expose - @cherrypy.tools.json_out() - def trigger_capture(self, **kwargs): - if cherrypy.request.method == 'POST': - self.dpd_pipe.send({'cmd': "dpd-capture"}) - return send_ok() - else: - cherrypy.response.status = 400 - return send_error("POST only") - - @cherrypy.expose - @cherrypy.tools.json_out() - def dpd_status(self, **kwargs): - if self.dpd_state is not None: - return send_ok(self.dpd_state) - else: - return send_error("DPD state unknown") - - @cherrypy.expose - @cherrypy.tools.json_out() - def calibrate(self, **kwargs): - if cherrypy.request.method == 'POST': - self.dpd_pipe.send({'cmd': "dpd-calibrate"}) - return send_ok() - else: - if self.calibration_result is not None: - return send_ok(self.calibration_result) - else: - return send_error("DPD calibration result unknown") - diff --git a/gui/configuration.py b/gui/configuration.py deleted file mode 100644 index 4af1abd..0000000 --- a/gui/configuration.py +++ /dev/null @@ -1,44 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# Copyright (C) 2018 -# Matthias P. Braendli, matthias.braendli@mpb.li -# -# http://www.opendigitalradio.org -# -# This file is part of ODR-DabMod. -# -# ODR-DabMod is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# ODR-DabMod is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with ODR-DabMod. If not, see . -import json - -class ConfigurationNotPresent: - pass - -class Configuration: - def __init__(self, configfilename="ui-config.json"): - self.config = None - - try: - fd = open(configfilename, "r") - self.config = json.load(fd) - except json.JSONDecodeError: - pass - except OSError: - pass - - def get_key(self, key): - if self.config is None: - raise ConfigurationNotPresent() - else: - return self.config[key] diff --git a/gui/dpd/Align.py b/gui/dpd/Align.py deleted file mode 100644 index 1634ec8..0000000 --- a/gui/dpd/Align.py +++ /dev/null @@ -1,166 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, utility to do subsample alignment. -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2018 Matthias P. Braendli -# -# http://www.opendigitalradio.org -# -# This file is part of ODR-DabMod. -# -# ODR-DabMod is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# ODR-DabMod is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with ODR-DabMod. If not, see . -import datetime -import os -import numpy as np -from scipy import optimize -import matplotlib.pyplot as plt - -def gen_omega(length): - if (length % 2) == 1: - raise ValueError("Needs an even length array.") - - halflength = int(length / 2) - factor = 2.0 * np.pi / length - - omega = np.zeros(length, dtype=np.float) - for i in range(halflength): - omega[i] = factor * i - - for i in range(halflength, length): - omega[i] = factor * (i - length) - - return omega - - -def subsample_align(sig, ref_sig, plot_location=None): - """Do subsample alignment for sig relative to the reference signal - ref_sig. The delay between the two must be less than sample - - Returns the aligned signal""" - - n = len(sig) - if (n % 2) == 1: - raise ValueError("Needs an even length signal.") - halflen = int(n / 2) - - fft_sig = np.fft.fft(sig) - - omega = gen_omega(n) - - def correlate_for_delay(tau): - # A subsample offset between two signals corresponds, in the frequency - # domain, to a linearly increasing phase shift, whose slope - # corresponds to the delay. - # - # Here, we build this phase shift in rotate_vec, and multiply it with - # our signal. - - rotate_vec = np.exp(1j * tau * omega) - # zero-frequency is rotate_vec[0], so rotate_vec[N/2] is the - # bin corresponding to the [-1, 1, -1, 1, ...] time signal, which - # is both the maximum positive and negative frequency. - # I don't remember why we handle it differently. - rotate_vec[halflen] = np.cos(np.pi * tau) - - corr_sig = np.fft.ifft(rotate_vec * fft_sig) - - return -np.abs(np.sum(np.conj(corr_sig) * ref_sig)) - - optim_result = optimize.minimize_scalar(correlate_for_delay, bounds=(-1, 1), method='bounded', - options={'disp': True}) - - if optim_result.success: - best_tau = optim_result.x - - if plot_location is not None: - corr = np.vectorize(correlate_for_delay) - ixs = np.linspace(-1, 1, 100) - taus = corr(ixs) - - dt = datetime.datetime.now().isoformat() - tau_path = (plot_location + "/" + dt + "_tau.png") - plt.plot(ixs, taus) - plt.title("Subsample correlation, minimum is best: {}".format(best_tau)) - plt.savefig(tau_path) - plt.close() - - # Prepare rotate_vec = fft_sig with rotated phase - rotate_vec = np.exp(1j * best_tau * omega) - rotate_vec[halflen] = np.cos(np.pi * best_tau) - return np.fft.ifft(rotate_vec * fft_sig).astype(np.complex64) - else: - # print("Could not optimize: " + optim_result.message) - return np.zeros(0, dtype=np.complex64) - -def phase_align(sig, ref_sig, plot_location=None): - """Do phase alignment for sig relative to the reference signal - ref_sig. - - Returns the aligned signal""" - - angle_diff = (np.angle(sig) - np.angle(ref_sig)) % (2. * np.pi) - - real_diffs = np.cos(angle_diff) - imag_diffs = np.sin(angle_diff) - - if plot_location is not None: - dt = datetime.datetime.now().isoformat() - fig_path = plot_location + "/" + dt + "_phase_align.png" - - plt.subplot(511) - plt.hist(angle_diff, bins=60, label="Angle Diff") - plt.xlabel("Angle") - plt.ylabel("Count") - plt.legend(loc=4) - - plt.subplot(512) - plt.hist(real_diffs, bins=60, label="Real Diff") - plt.xlabel("Real Part") - plt.ylabel("Count") - plt.legend(loc=4) - - plt.subplot(513) - plt.hist(imag_diffs, bins=60, label="Imaginary Diff") - plt.xlabel("Imaginary Part") - plt.ylabel("Count") - plt.legend(loc=4) - - plt.subplot(514) - plt.plot(np.angle(ref_sig[:128]), label="ref_sig") - plt.plot(np.angle(sig[:128]), label="sig") - plt.xlabel("Angle") - plt.ylabel("Sample") - plt.legend(loc=4) - - real_diff = np.median(real_diffs) - imag_diff = np.median(imag_diffs) - - angle = np.angle(real_diff + 1j * imag_diff) - - #logging.debug( "Compensating phase by {} rad, {} degree. real median {}, imag median {}".format( angle, angle*180./np.pi, real_diff, imag_diff)) - sig = sig * np.exp(1j * -angle) - - if plot_location is not None: - plt.subplot(515) - plt.plot(np.angle(ref_sig[:128]), label="ref_sig") - plt.plot(np.angle(sig[:128]), label="sig") - plt.xlabel("Angle") - plt.ylabel("Sample") - plt.legend(loc=4) - plt.tight_layout() - plt.savefig(fig_path) - plt.close() - - return sig diff --git a/gui/dpd/Capture.py b/gui/dpd/Capture.py deleted file mode 100644 index 7d95f90..0000000 --- a/gui/dpd/Capture.py +++ /dev/null @@ -1,253 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, Capture TX signal and RX feedback using ODR-DabMod's -# DPD Server. -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2018 Matthias P. Braendli -# -# http://www.opendigitalradio.org -# -# This file is part of ODR-DabMod. -# -# ODR-DabMod is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# ODR-DabMod is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with ODR-DabMod. If not, see . - -import socket -import struct -import os.path -import logging -import numpy as np -from scipy import signal -import matplotlib -matplotlib.use('Agg') -import matplotlib.pyplot as plt -import io - -from . import Align as sa - -def correlation_coefficient(sig_tx, sig_rx): - return np.corrcoef(sig_tx, sig_rx)[0, 1] - -def align_samples(sig_tx, sig_rx): - """ - Returns an aligned version of sig_tx and sig_rx by cropping, subsample alignment and - correct phase offset - """ - - # Coarse sample-level alignment - c = np.abs(signal.correlate(sig_rx, sig_tx)) - off_meas = np.argmax(c) - sig_tx.shape[0] + 1 - off = int(abs(off_meas)) - - if off_meas > 0: - sig_tx = sig_tx[:-off] - sig_rx = sig_rx[off:] - elif off_meas < 0: - sig_tx = sig_tx[off:] - sig_rx = sig_rx[:-off] - - if off % 2 == 1: - sig_tx = sig_tx[:-1] - sig_rx = sig_rx[:-1] - - # Fine subsample alignment and phase offset - sig_rx = sa.subsample_align(sig_rx, sig_tx) - sig_rx = sa.phase_align(sig_rx, sig_tx) - return sig_tx, sig_rx, abs(off_meas) - -class Capture: - """Capture samples from ODR-DabMod""" - def __init__(self, samplerate, port, num_samples_to_request, plot_dir): - self.samplerate = samplerate - self.sizeof_sample = 8 # complex floats - self.port = port - self.num_samples_to_request = num_samples_to_request - self.plot_dir = plot_dir - - # Before we run the samples through the model, we want to accumulate - # them into bins depending on their amplitude, and keep only n_per_bin - # samples to avoid that the polynomial gets overfitted in the low-amplitude - # part, which is less interesting than the high-amplitude part, where - # non-linearities become apparent. - self.binning_n_bins = 64 # Number of bins between binning_start and binning_end - self.binning_n_per_bin = 128 # Number of measurements pre bin - - self.rx_normalisation = 1.0 - - self.clear_accumulated() - - def clear_accumulated(self): - self.binning_start = 0.0 - self.binning_end = 1.0 - - # axis 0: bins - # axis 1: 0=tx, 1=rx - self.accumulated_bins = [np.zeros((0, 2), dtype=np.complex64) for i in range(self.binning_n_bins)] - - def _recv_exact(self, sock, num_bytes): - """Receive an exact number of bytes from a socket. This is - a wrapper around sock.recv() that can return less than the number - of requested bytes. - - Args: - sock (socket): Socket to receive data from. - num_bytes (int): Number of bytes that will be returned. - """ - bufs = [] - while num_bytes > 0: - b = sock.recv(num_bytes) - if len(b) == 0: - break - num_bytes -= len(b) - bufs.append(b) - return b''.join(bufs) - - def receive_tcp(self): - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - s.settimeout(4) - s.connect(('localhost', self.port)) - - logging.debug("Send version") - s.sendall(b"\x01") - - logging.debug("Send request for {} samples".format(self.num_samples_to_request)) - s.sendall(struct.pack("=I", self.num_samples_to_request)) - - logging.debug("Wait for TX metadata") - num_samps, tx_second, tx_pps = struct.unpack("=III", self._recv_exact(s, 12)) - tx_ts = tx_second + tx_pps / 16384000.0 - - if num_samps > 0: - logging.debug("Receiving {} TX samples".format(num_samps)) - txframe_bytes = self._recv_exact(s, num_samps * self.sizeof_sample) - txframe = np.fromstring(txframe_bytes, dtype=np.complex64) - else: - txframe = np.array([], dtype=np.complex64) - - logging.debug("Wait for RX metadata") - rx_second, rx_pps = struct.unpack("=II", self._recv_exact(s, 8)) - rx_ts = rx_second + rx_pps / 16384000.0 - - if num_samps > 0: - logging.debug("Receiving {} RX samples".format(num_samps)) - rxframe_bytes = self._recv_exact(s, num_samps * self.sizeof_sample) - rxframe = np.fromstring(rxframe_bytes, dtype=np.complex64) - else: - rxframe = np.array([], dtype=np.complex64) - - if logging.getLogger().getEffectiveLevel() == logging.DEBUG: - logging.debug('txframe: min {}, max {}, median {}'.format( - np.min(np.abs(txframe)), - np.max(np.abs(txframe)), - np.median(np.abs(txframe)))) - - logging.debug('rxframe: min {}, max {}, median {}'.format( - np.min(np.abs(rxframe)), - np.max(np.abs(rxframe)), - np.median(np.abs(rxframe)))) - - logging.debug("Disconnecting") - s.close() - - return txframe, tx_ts, rxframe, rx_ts - - def _plot_spectrum(self, signal, filename, title): - fig = plt.figure() - ax = plt.subplot(1, 1, 1) - - fft = np.fft.fftshift(np.fft.fft(signal)) - fft_db = 20 * np.log10(np.abs(fft)) - - ax.plot(fft_db) - ax.set_title(title) - fig.tight_layout() - fig.savefig(os.path.join(self.plot_dir, filename)) - plt.close(fig) - - def calibrate(self): - txframe, tx_ts, rxframe, rx_ts = self.receive_tcp() - - # Normalize received signal with sent signal - tx_median = np.median(np.abs(txframe)) - rx_median = np.median(np.abs(rxframe)) - self.rx_normalisation = tx_median / rx_median - - rxframe = rxframe * self.rx_normalisation - txframe_aligned, rxframe_aligned, coarse_offset = align_samples(txframe, rxframe) - - self._plot_spectrum(rxframe[:8192], "rxframe.png", "RX Frame") - self._plot_spectrum(txframe[:8192], "txframe.png", "RX Frame") - - return tx_ts, tx_median, rx_ts, rx_median, np.abs(coarse_offset), correlation_coefficient(txframe_aligned, rxframe_aligned) - - def get_samples(self): - """Connect to ODR-DabMod, retrieve TX and RX samples, load - into numpy arrays, and return a tuple - (txframe_aligned, tx_ts, tx_median, rxframe_aligned, rx_ts, rx_median) - """ - - txframe, tx_ts, rxframe, rx_ts = self.receive_tcp() - - # Normalize received signal with calibrated normalisation - rxframe = rxframe * self.rx_normalisation - txframe_aligned, rxframe_aligned, coarse_offset = align_samples(txframe, rxframe) - self._bin_and_accumulate(txframe_aligned, rxframe_aligned) - return txframe_aligned, tx_ts, tx_median, rxframe_aligned, rx_ts, rx_median - - def bin_histogram(self): - return [b.shape[0] for b in self.accumulated_bins] - - def pointcloud_png(self): - fig = plt.figure() - ax = plt.subplot(1, 1, 1) - for b in self.accumulated_bins: - if b: - ax.scatter( - np.abs(b[0]), - np.abs(b[1]), - s=0.1, - color="black") - ax.set_title("Captured and Binned Samples") - ax.set_xlabel("TX Amplitude") - ax.set_ylabel("RX Amplitude") - ax.set_ylim(0, 0.8) - ax.set_xlim(0, 1.1) - ax.legend(loc=4) - fig.tight_layout() - fig.savefig(os.path.join(self.plot_dir, "pointcloud.png")) - plt.close(fig) - - def _bin_and_accumulate(self, txframe, rxframe): - """Bin the samples and extend the accumulated samples""" - - bin_edges = np.linspace(self.binning_start, self.binning_end, self.binning_n_bins) - - minsize = self.num_samples_to_request - - for i, (tx_start, tx_end) in enumerate(zip(bin_edges, bin_edges[1:])): - txframe_abs = np.abs(txframe) - indices = np.bitwise_and(tx_start < txframe_abs, txframe_abs <= tx_end) - txsamples = np.asmatrix(txframe[indices]) - rxsamples = np.asmatrix(rxframe[indices]) - binned_sample_pairs = np.concatenate((txsamples, rxsamples)).T - - missing_in_bin = self.binning_n_per_bin - self.accumulated_bins[i].shape[0] - num_to_append = min(missing_in_bin, binned_sample_pairs.shape[0]) - print("Handling bin {} {}-{}, {} available, {} missing".format(i, tx_start, tx_end, binned_sample_pairs.shape[0], missing_in_bin)) - if num_to_append: - print("Appending {} to bin {} with shape {}".format(num_to_append, i, self.accumulated_bins[i].shape)) - - self.accumulated_bins[i] = np.concatenate((self.accumulated_bins[i], binned_sample_pairs[:num_to_append,...])) - print("{} now has shape {}".format(i, self.accumulated_bins[i].shape)) - diff --git a/gui/dpd/__init__.py b/gui/dpd/__init__.py deleted file mode 100644 index 9009436..0000000 --- a/gui/dpd/__init__.py +++ /dev/null @@ -1,93 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine module -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2018 Matthias P. Braendli -# -# http://www.opendigitalradio.org -# -# This file is part of ODR-DabMod. -# -# ODR-DabMod is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# ODR-DabMod is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with ODR-DabMod. If not, see . - -from . import Capture -import numpy as np - -class DPD: - def __init__(self, plot_dir, samplerate=8192000): - self.samplerate = samplerate - - oversample = int(self.samplerate / 2048000) - self.T_F = oversample * 196608 # Transmission frame duration - self.T_NULL = oversample * 2656 # Null symbol duration - self.T_S = oversample * 2552 # Duration of OFDM symbols of indices l = 1, 2, 3,... L; - self.T_U = oversample * 2048 # Inverse of carrier spacing - self.T_C = oversample * 504 # Duration of cyclic prefix - - self.last_capture_info = {} - - port = 50055 - samples_to_capture = 81920 - self.capture = Capture.Capture(self.samplerate, port, samples_to_capture, plot_dir) - - def status(self): - r = {} - r['histogram'] = self.capture.bin_histogram() - r['capture'] = self.last_capture_info - return r - - def pointcloud_png(self): - return self.capture.pointcloud_png() - - def clear_accumulated(self): - return self.capture.clear_accumulated() - - def capture_calibration(self): - tx_ts, tx_median, rx_ts, rx_median, coarse_offset, correlation_coefficient = self.capture.calibrate() - result = {'status': "ok"} - result['tx_median'] = "{:.2f}dB".format(20*np.log10(tx_median)) - result['rx_median'] = "{:.2f}dB".format(20*np.log10(rx_median)) - result['tx_ts'] = tx_ts - result['rx_ts'] = rx_ts - result['coarse_offset'] = int(coarse_offset) - result['correlation'] = float(correlation_coefficient) - return result - - def capture_samples(self): - """Captures samples and store them in the accumulated samples, - returns a dict with some info""" - result = {} - try: - txframe_aligned, tx_ts, tx_median, rxframe_aligned, rx_ts, rx_median = self.capture.get_samples() - result['status'] = "ok" - result['length'] = len(txframe_aligned) - result['tx_median'] = float(tx_median) - result['rx_median'] = float(rx_median) - result['tx_ts'] = tx_ts - result['rx_ts'] = rx_ts - except ValueError as e: - result['status'] = "Capture failed: {}".format(e) - - self.last_capture_info = result - - # tx, rx, phase_diff, n_per_bin = extStat.extract(txframe_aligned, rxframe_aligned) - # off = SA.calc_offset(txframe_aligned) - # print("off {}".format(off)) - # tx_mer = MER.calc_mer(txframe_aligned[off:off + c.T_U], debug_name='TX') - # print("tx_mer {}".format(tx_mer)) - # rx_mer = MER.calc_mer(rxframe_aligned[off:off + c.T_U], debug_name='RX') - # print("rx_mer {}".format(rx_mer)) - # mse = np.mean(np.abs((txframe_aligned - rxframe_aligned) ** 2)) - # print("mse {}".format(mse)) diff --git a/gui/logs/.keep b/gui/logs/.keep deleted file mode 100644 index e69de29..0000000 diff --git a/gui/run.py b/gui/run.py deleted file mode 100755 index b83dd14..0000000 --- a/gui/run.py +++ /dev/null @@ -1,166 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# Copyright (C) 2018 -# Matthias P. Braendli, matthias.braendli@mpb.li -# -# http://www.opendigitalradio.org -# -# This file is part of ODR-DabMod. -# -# ODR-DabMod is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# ODR-DabMod is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with ODR-DabMod. If not, see . - -import configuration -from multiprocessing import Process, Pipe -import os.path -import cherrypy -import argparse -from jinja2 import Environment, FileSystemLoader -from api import API -import zmqrc -import dpd - -env = Environment(loader=FileSystemLoader('templates')) - -base_js = ["js/odr.js"] - -class Root: - def __init__(self, config_file, dpd_pipe): - self.config_file = config_file - self.conf = configuration.Configuration(self.config_file) - self.mod_rc = zmqrc.ModRemoteControl("localhost") - self.api = API(self.mod_rc, dpd_pipe) - - @cherrypy.expose - def index(self): - raise cherrypy.HTTPRedirect('/home') - - @cherrypy.expose - def about(self): - tmpl = env.get_template("about.html") - return tmpl.render(tab='about', js=base_js, is_login=False) - - @cherrypy.expose - def home(self): - tmpl = env.get_template("home.html") - return tmpl.render(tab='home', js=base_js, is_login=False) - - @cherrypy.expose - def rcvalues(self): - tmpl = env.get_template("rcvalues.html") - js = base_js + ["js/odr-rcvalues.js"] - return tmpl.render(tab='rcvalues', js=js, is_login=False) - - @cherrypy.expose - def modulator(self): - tmpl = env.get_template("modulator.html") - js = base_js + ["js/odr-modulator.js"] - return tmpl.render(tab='modulator', js=js, is_login=False) - - @cherrypy.expose - def predistortion(self): - tmpl = env.get_template("predistortion.html") - js = base_js + ["js/odr-predistortion.js"] - return tmpl.render(tab='predistortion', js=js, is_login=False) - -class DPDRunner: - def __init__(self, static_dir): - self.web_end, self.dpd_end = Pipe() - self.dpd = dpd.DPD(static_dir) - - def __enter__(self): - self.p = Process(target=self._handle_messages) - self.p.start() - return self.web_end - - def _handle_messages(self): - while True: - rx = self.dpd_end.recv() - if rx['cmd'] == "quit": - break - elif rx['cmd'] == "dpd-capture": - self.dpd.capture_samples() - elif rx['cmd'] == "dpd-calibrate": - self.dpd_end.send({'cmd': "dpd-calibration-result", - 'data': self.dpd.capture_calibration()}) - - - def __exit__(self, exc_type, exc_value, traceback): - self.web_end.send({'cmd': "quit"}) - self.p.join() - return False - -if __name__ == '__main__': - parser = argparse.ArgumentParser(description='ODR-DabMod Web GUI') - parser.add_argument('-c', '--config', - default="ui-config.json", - help='configuration filename') - cli_args = parser.parse_args() - - config = configuration.Configuration(cli_args.config) - if config.config is None: - print("Configuration file is missing or is not readable - {}".format(cli_args.config)) - sys.exit(1) - - if config.config['global']['daemon']: - cherrypy.process.plugins.Daemonizer(cherrypy.engine).subscribe() - - accesslog = os.path.realpath(os.path.join(config.config['global']['logs_directory'], 'access.log')) - errorlog = os.path.realpath(os.path.join(config.config['global']['logs_directory'], 'error.log')) - - cherrypy.config.update({ - 'engine.autoreload.on': True, - 'server.socket_host': config.config['global']['host'], - 'server.socket_port': int(config.config['global']['port']), - 'request.show_tracebacks' : True, - 'tools.sessions.on': False, - 'tools.encode.on': True, - 'tools.encode.encoding': "utf-8", - 'log.access_file': accesslog, - 'log.error_file': errorlog, - 'log.screen': True, - }) - - staticdir = os.path.realpath(config.config['global']['static_directory']) - - with DPDRunner(os.path.join(staticdir, "dpd")) as dpd_pipe: - cherrypy.tree.mount( - Root(cli_args.config, dpd_pipe), config={ - '/': { }, - '/dpd': { - 'tools.staticdir.on': True, - 'tools.staticdir.dir': os.path.join(staticdir, u"dpd/") - }, - '/css': { - 'tools.staticdir.on': True, - 'tools.staticdir.dir': os.path.join(staticdir, u"css/") - }, - '/js': { - 'tools.staticdir.on': True, - 'tools.staticdir.dir': os.path.join(staticdir, u"js/") - }, - '/fonts': { - 'tools.staticdir.on': True, - 'tools.staticdir.dir': os.path.join(staticdir, u"fonts/") - }, - '/favicon.ico': { - 'tools.staticfile.on': True, - 'tools.staticfile.filename': os.path.join(staticdir, u"fonts/favicon.ico") - }, - } - ) - - cherrypy.engine.start() - cherrypy.engine.block() - diff --git a/gui/static/css/bootstrap.min.css b/gui/static/css/bootstrap.min.css deleted file mode 100644 index 28f154d..0000000 --- a/gui/static/css/bootstrap.min.css +++ /dev/null @@ -1,5 +0,0 @@ -/*! 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- * Dual licensed under the MIT and GPL licenses. - * - * Date: December 8, 2011 - * Version: 1.7.3 - */ - -(function($){ - - /** - * Set it up as an object under the jQuery namespace - */ - $.gritter = {}; - - /** - * Set up global options that the user can over-ride - */ - $.gritter.options = { - position: '', - class_name: '', // could be set to 'gritter-light' to use white notifications - fade_in_speed: 'medium', // how fast notifications fade in - fade_out_speed: 1000, // how fast the notices fade out - time: 6000 // hang on the screen for... - } - - /** - * Add a gritter notification to the screen - * @see Gritter#add(); - */ - $.gritter.add = function(params){ - - try { - return Gritter.add(params || {}); - } catch(e) { - - var err = 'Gritter Error: ' + e; - (typeof(console) != 'undefined' && console.error) ? - console.error(err, params) : - alert(err); - - } - - } - - /** - * Remove a gritter notification from the screen - * @see Gritter#removeSpecific(); - */ - $.gritter.remove = function(id, params){ - Gritter.removeSpecific(id, params || {}); - } - - /** - * Remove all notifications - * @see Gritter#stop(); - */ - $.gritter.removeAll = function(params){ - Gritter.stop(params || {}); - } - - /** - * Big fat Gritter object - * @constructor (not really since its object literal) - */ - var Gritter = { - - // Public - options to over-ride with $.gritter.options in "add" - position: '', - fade_in_speed: '', - fade_out_speed: '', - time: '', - - // Private - no touchy the private parts - _custom_timer: 0, - _item_count: 0, - _is_setup: 0, - _tpl_close: '
', - _tpl_item: '', - _tpl_wrap: '
', - - /** - * Add a gritter notification to the screen - * @param {Object} params The object that contains all the options for drawing the notification - * @return {Integer} The specific numeric id to that gritter notification - */ - add: function(params){ - - // We might have some issues if we don't have a title or text! - if(!params.title || !params.text){ - throw 'You need to fill out the first 2 params: "title" and "text"'; - } - - // Check the options and set them once - if(!this._is_setup){ - this._runSetup(); - } - - // Basics - var user = params.title, - text = params.text, - image = params.image || '', - sticky = params.sticky || false, - item_class = params.class_name || $.gritter.options.class_name, - position = $.gritter.options.position, - time_alive = params.time || ''; - - this._verifyWrapper(); - - this._item_count++; - var number = this._item_count, - tmp = this._tpl_item; - - // Assign callbacks - $(['before_open', 'after_open', 'before_close', 'after_close']).each(function(i, val){ - Gritter['_' + val + '_' + number] = ($.isFunction(params[val])) ? params[val] : function(){} - }); - - // Reset - this._custom_timer = 0; - - // A custom fade time set - if(time_alive){ - this._custom_timer = time_alive; - } - - var image_str = (image != '') ? '' : '', - class_name = (image != '') ? 'gritter-with-image' : 'gritter-without-image'; - - // String replacements on the template - tmp = this._str_replace( - ['[[username]]', '[[text]]', '[[close]]', '[[image]]', '[[number]]', '[[class_name]]', '[[item_class]]'], - [user, text, this._tpl_close, image_str, this._item_count, class_name, item_class], tmp - ); - - // If it's false, don't show another gritter message - if(this['_before_open_' + number]() === false){ - return false; - } - - $('#gritter-notice-wrapper').addClass(position).append(tmp); - - var item = $('#gritter-item-' + this._item_count); - - item.fadeIn(this.fade_in_speed, function(){ - Gritter['_after_open_' + number]($(this)); - }); - - if(!sticky){ - this._setFadeTimer(item, number); - } - - // Bind the hover/unhover states - $(item).bind('mouseenter mouseleave', function(event){ - if(event.type == 'mouseenter'){ - if(!sticky){ - Gritter._restoreItemIfFading($(this), number); - } - } - else { - if(!sticky){ - Gritter._setFadeTimer($(this), number); - } - } - Gritter._hoverState($(this), event.type); - }); - - return number; - - }, - - /** - * If we don't have any more gritter notifications, get rid of the wrapper using this check - * @private - * @param {Integer} unique_id The ID of the element that was just deleted, use it for a callback - * @param {Object} e The jQuery element that we're going to perform the remove() action on - * @param {Boolean} manual_close Did we close the gritter dialog with the (X) button - */ - _countRemoveWrapper: function(unique_id, e, manual_close){ - - // Remove it then run the callback function - e.remove(); - this['_after_close_' + unique_id](e, manual_close); - - // Check if the wrapper is empty, if it is.. remove the wrapper - if($('.gritter-item-wrapper').length == 0){ - $('#gritter-notice-wrapper').remove(); - } - - }, - - /** - * Fade out an element after it's been on the screen for x amount of time - * @private - * @param {Object} e The jQuery element to get rid of - * @param {Integer} unique_id The id of the element to remove - * @param {Object} params An optional list of params to set fade speeds etc. - * @param {Boolean} unbind_events Unbind the mouseenter/mouseleave events if they click (X) - */ - _fade: function(e, unique_id, params, unbind_events){ - - var params = params || {}, - fade = (typeof(params.fade) != 'undefined') ? params.fade : true; - fade_out_speed = params.speed || this.fade_out_speed, - manual_close = unbind_events; - - this['_before_close_' + unique_id](e, manual_close); - - // If this is true, then we are coming from clicking the (X) - if(unbind_events){ - e.unbind('mouseenter mouseleave'); - } - - // Fade it out or remove it - if(fade){ - - e.animate({ - opacity: 0 - }, fade_out_speed, function(){ - e.animate({ height: 0 }, 300, function(){ - Gritter._countRemoveWrapper(unique_id, e, manual_close); - }) - }) - - } - else { - - this._countRemoveWrapper(unique_id, e); - - } - - }, - - /** - * Perform actions based on the type of bind (mouseenter, mouseleave) - * @private - * @param {Object} e The jQuery element - * @param {String} type The type of action we're performing: mouseenter or mouseleave - */ - _hoverState: function(e, type){ - - // Change the border styles and add the (X) close button when you hover - if(type == 'mouseenter'){ - - e.addClass('hover'); - - // Show close button - e.find('.gritter-close').show(); - - // Clicking (X) makes the perdy thing close - e.find('.gritter-close').click(function(){ - var unique_id = e.attr('id').split('-')[2]; - Gritter.removeSpecific(unique_id, {}, e, true); - }); - - } - // Remove the border styles and hide (X) close button when you mouse out - else { - - e.removeClass('hover'); - - // Hide close button - e.find('.gritter-close').hide(); - - } - - }, - - /** - * Remove a specific notification based on an ID - * @param {Integer} unique_id The ID used to delete a specific notification - * @param {Object} params A set of options passed in to determine how to get rid of it - * @param {Object} e The jQuery element that we're "fading" then removing - * @param {Boolean} unbind_events If we clicked on the (X) we set this to true to unbind mouseenter/mouseleave - */ - removeSpecific: function(unique_id, params, e, unbind_events){ - - if(!e){ - var e = $('#gritter-item-' + unique_id); - } - - // We set the fourth param to let the _fade function know to - // unbind the "mouseleave" event. Once you click (X) there's no going back! - this._fade(e, unique_id, params || {}, unbind_events); - - }, - - /** - * If the item is fading out and we hover over it, restore it! - * @private - * @param {Object} e The HTML element to remove - * @param {Integer} unique_id The ID of the element - */ - _restoreItemIfFading: function(e, unique_id){ - - clearTimeout(this['_int_id_' + unique_id]); - e.stop().css({ opacity: '', height: '' }); - - }, - - /** - * Setup the global options - only once - * @private - */ - _runSetup: function(){ - - for(opt in $.gritter.options){ - this[opt] = $.gritter.options[opt]; - } - this._is_setup = 1; - - }, - - /** - * Set the notification to fade out after a certain amount of time - * @private - * @param {Object} item The HTML element we're dealing with - * @param {Integer} unique_id The ID of the element - */ - _setFadeTimer: function(e, unique_id){ - - var timer_str = (this._custom_timer) ? this._custom_timer : this.time; - this['_int_id_' + unique_id] = setTimeout(function(){ - Gritter._fade(e, unique_id); - }, timer_str); - - }, - - /** - * Bring everything to a halt - * @param {Object} params A list of callback functions to pass when all notifications are removed - */ - stop: function(params){ - - // callbacks (if passed) - var before_close = ($.isFunction(params.before_close)) ? params.before_close : function(){}; - var after_close = ($.isFunction(params.after_close)) ? params.after_close : function(){}; - - var wrap = $('#gritter-notice-wrapper'); - before_close(wrap); - wrap.fadeOut(function(){ - $(this).remove(); - after_close(); - }); - - }, - - /** - * An extremely handy PHP function ported to JS, works well for templating - * @private - * @param {String/Array} search A list of things to search for - * @param {String/Array} replace A list of things to replace the searches with - * @return {String} sa The output - */ - _str_replace: function(search, replace, subject, count){ - - var i = 0, j = 0, temp = '', repl = '', sl = 0, fl = 0, - f = [].concat(search), - r = [].concat(replace), - s = subject, - ra = r instanceof Array, sa = s instanceof Array; - s = [].concat(s); - - if(count){ - this.window[count] = 0; - } - - for(i = 0, sl = s.length; i < sl; i++){ - - if(s[i] === ''){ - continue; - } - - for (j = 0, fl = f.length; j < fl; j++){ - - temp = s[i] + ''; - repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0]; - s[i] = (temp).split(f[j]).join(repl); - - if(count && s[i] !== temp){ - this.window[count] += (temp.length-s[i].length) / f[j].length; - } - - } - } - - return sa ? s : s[0]; - - }, - - /** - * A check to make sure we have something to wrap our notices with - * @private - */ - _verifyWrapper: function(){ - - if($('#gritter-notice-wrapper').length == 0){ - $('body').append(this._tpl_wrap); - } - - } - - } - -})(jQuery); diff --git a/gui/static/js/jquery.js b/gui/static/js/jquery.js deleted file mode 100644 index 79d631f..0000000 --- a/gui/static/js/jquery.js +++ /dev/null @@ -1,9205 +0,0 @@ -/*! - * jQuery JavaScript Library v2.1.3 - * http://jquery.com/ - * - * Includes Sizzle.js - * http://sizzlejs.com/ - * - * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors - * Released under the MIT license - * http://jquery.org/license - * - * Date: 2014-12-18T15:11Z - */ - -(function( global, factory ) { - - if ( typeof module === "object" && typeof module.exports === "object" ) { - // For CommonJS and CommonJS-like environments where a proper `window` - // is present, execute the factory and get jQuery. - // For environments that do not have a `window` with a `document` - // (such as Node.js), expose a factory as module.exports. - // This accentuates the need for the creation of a real `window`. - // e.g. var jQuery = require("jquery")(window); - // See ticket #14549 for more info. - module.exports = global.document ? - factory( global, true ) : - function( w ) { - if ( !w.document ) { - throw new Error( "jQuery requires a window with a document" ); - } - return factory( w ); - }; - } else { - factory( global ); - } - -// Pass this if window is not defined yet -}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { - -// Support: Firefox 18+ -// Can't be in strict mode, several libs including ASP.NET trace -// the stack via arguments.caller.callee and Firefox dies if -// you try to trace through "use strict" call chains. (#13335) -// - -var arr = []; - -var slice = arr.slice; - -var concat = arr.concat; - -var push = arr.push; - -var indexOf = arr.indexOf; - -var class2type = {}; - -var toString = class2type.toString; - -var hasOwn = class2type.hasOwnProperty; - -var support = {}; - - - -var - // Use the correct document accordingly with window argument (sandbox) - document = window.document, - - version = "2.1.3", - - // Define a local copy of jQuery - jQuery = function( selector, context ) { - // The jQuery object is actually just the init constructor 'enhanced' - // Need init if jQuery is called (just allow error to be thrown if not included) - return new jQuery.fn.init( selector, context ); - }, - - // Support: Android<4.1 - // Make sure we trim BOM and NBSP - rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, - - // Matches dashed string for camelizing - rmsPrefix = /^-ms-/, - rdashAlpha = /-([\da-z])/gi, - - // Used by jQuery.camelCase as callback to replace() - fcamelCase = function( all, letter ) { - return letter.toUpperCase(); - }; - -jQuery.fn = jQuery.prototype = { - // The current version of jQuery being used - jquery: version, - - constructor: jQuery, - - // Start with an empty selector - selector: "", - - // The default length of a jQuery object is 0 - length: 0, - - toArray: function() { - return slice.call( this ); - }, - - // Get the Nth element in the matched element set OR - // Get the whole matched element set as a clean array - get: function( num ) { - return num != null ? - - // Return just the one element from the set - ( num < 0 ? this[ num + this.length ] : this[ num ] ) : - - // Return all the elements in a clean array - slice.call( this ); - }, - - // Take an array of elements and push it onto the stack - // (returning the new matched element set) - pushStack: function( elems ) { - - // Build a new jQuery matched element set - var ret = jQuery.merge( this.constructor(), elems ); - - // Add the old object onto the stack (as a reference) - ret.prevObject = this; - ret.context = this.context; - - // Return the newly-formed element set - return ret; - }, - - // Execute a callback for every element in the matched set. - // (You can seed the arguments with an array of args, but this is - // only used internally.) - each: function( callback, args ) { - return jQuery.each( this, callback, args ); - }, - - map: function( callback ) { - return this.pushStack( jQuery.map(this, function( elem, i ) { - return callback.call( elem, i, elem ); - })); - }, - - slice: function() { - return this.pushStack( slice.apply( this, arguments ) ); - }, - - first: function() { - return this.eq( 0 ); - }, - - last: function() { - return this.eq( -1 ); - }, - - eq: function( i ) { - var len = this.length, - j = +i + ( i < 0 ? len : 0 ); - return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); - }, - - end: function() { - return this.prevObject || this.constructor(null); - }, - - // For internal use only. - // Behaves like an Array's method, not like a jQuery method. - push: push, - sort: arr.sort, - splice: arr.splice -}; - -jQuery.extend = jQuery.fn.extend = function() { - var options, name, src, copy, copyIsArray, clone, - target = arguments[0] || {}, - i = 1, - length = arguments.length, - deep = false; - - // Handle a deep copy situation - if ( typeof target === "boolean" ) { - deep = target; - - // Skip the boolean and the target - target = arguments[ i ] || {}; - i++; - } - - // Handle case when target is a string or something (possible in deep copy) - if ( typeof target !== "object" && !jQuery.isFunction(target) ) { - target = {}; - } - - // Extend jQuery itself if only one argument is passed - if ( i === length ) { - target = this; - i--; - } - - for ( ; i < length; i++ ) { - // Only deal with non-null/undefined values - if ( (options = arguments[ i ]) != null ) { - // Extend the base object - for ( name in options ) { - src = target[ name ]; - copy = options[ name ]; - - // Prevent never-ending loop - if ( target === copy ) { - continue; - } - - // Recurse if we're merging plain objects or arrays - if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { - if ( copyIsArray ) { - copyIsArray = false; - clone = src && jQuery.isArray(src) ? src : []; - - } else { - clone = src && jQuery.isPlainObject(src) ? src : {}; - } - - // Never move original objects, clone them - target[ name ] = jQuery.extend( deep, clone, copy ); - - // Don't bring in undefined values - } else if ( copy !== undefined ) { - target[ name ] = copy; - } - } - } - } - - // Return the modified object - return target; -}; - -jQuery.extend({ - // Unique for each copy of jQuery on the page - expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), - - // Assume jQuery is ready without the ready module - isReady: true, - - error: function( msg ) { - throw new Error( msg ); - }, - - noop: function() {}, - - isFunction: function( obj ) { - return jQuery.type(obj) === "function"; - }, - - isArray: Array.isArray, - - isWindow: function( obj ) { - return obj != null && obj === obj.window; - }, - - isNumeric: function( obj ) { - // parseFloat NaNs numeric-cast false positives (null|true|false|"") - // ...but misinterprets leading-number strings, particularly hex literals ("0x...") - // subtraction forces infinities to NaN - // adding 1 corrects loss of precision from parseFloat (#15100) - return !jQuery.isArray( obj ) && (obj - parseFloat( obj ) + 1) >= 0; - }, - - isPlainObject: function( obj ) { - // Not plain objects: - // - Any object or value whose internal [[Class]] property is not "[object Object]" - // - DOM nodes - // - window - if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { - return false; - } - - if ( obj.constructor && - !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { - return false; - } - - // If the function hasn't returned already, we're confident that - // |obj| is a plain object, created by {} or constructed with new Object - return true; - }, - - isEmptyObject: function( obj ) { - var name; - for ( name in obj ) { - return false; - } - return true; - }, - - type: function( obj ) { - if ( obj == null ) { - return obj + ""; - } - // Support: Android<4.0, iOS<6 (functionish RegExp) - return typeof obj === "object" || typeof obj === "function" ? - class2type[ toString.call(obj) ] || "object" : - typeof obj; - }, - - // Evaluates a script in a global context - globalEval: function( code ) { - var script, - indirect = eval; - - code = jQuery.trim( code ); - - if ( code ) { - // If the code includes a valid, prologue position - // strict mode pragma, execute code by injecting a - // script tag into the document. - if ( code.indexOf("use strict") === 1 ) { - script = document.createElement("script"); - script.text = code; - document.head.appendChild( script ).parentNode.removeChild( script ); - } else { - // Otherwise, avoid the DOM node creation, insertion - // and removal by using an indirect global eval - indirect( code ); - } - } - }, - - // Convert dashed to camelCase; used by the css and data modules - // Support: IE9-11+ - // Microsoft forgot to hump their vendor prefix (#9572) - camelCase: function( string ) { - return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); - }, - - nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); - }, - - // args is for internal usage only - each: function( obj, callback, args ) { - var value, - i = 0, - length = obj.length, - isArray = isArraylike( obj ); - - if ( args ) { - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback.apply( obj[ i ], args ); - - if ( value === false ) { - break; - } - } - } else { - for ( i in obj ) { - value = callback.apply( obj[ i ], args ); - - if ( value === false ) { - break; - } - } - } - - // A special, fast, case for the most common use of each - } else { - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback.call( obj[ i ], i, obj[ i ] ); - - if ( value === false ) { - break; - } - } - } else { - for ( i in obj ) { - value = callback.call( obj[ i ], i, obj[ i ] ); - - if ( value === false ) { - break; - } - } - } - } - - return obj; - }, - - // Support: Android<4.1 - trim: function( text ) { - return text == null ? - "" : - ( text + "" ).replace( rtrim, "" ); - }, - - // results is for internal usage only - makeArray: function( arr, results ) { - var ret = results || []; - - if ( arr != null ) { - if ( isArraylike( Object(arr) ) ) { - jQuery.merge( ret, - typeof arr === "string" ? - [ arr ] : arr - ); - } else { - push.call( ret, arr ); - } - } - - return ret; - }, - - inArray: function( elem, arr, i ) { - return arr == null ? -1 : indexOf.call( arr, elem, i ); - }, - - merge: function( first, second ) { - var len = +second.length, - j = 0, - i = first.length; - - for ( ; j < len; j++ ) { - first[ i++ ] = second[ j ]; - } - - first.length = i; - - return first; - }, - - grep: function( elems, callback, invert ) { - var callbackInverse, - matches = [], - i = 0, - length = elems.length, - callbackExpect = !invert; - - // Go through the array, only saving the items - // that pass the validator function - for ( ; i < length; i++ ) { - callbackInverse = !callback( elems[ i ], i ); - if ( callbackInverse !== callbackExpect ) { - matches.push( elems[ i ] ); - } - } - - return matches; - }, - - // arg is for internal usage only - map: function( elems, callback, arg ) { - var value, - i = 0, - length = elems.length, - isArray = isArraylike( elems ), - ret = []; - - // Go through the array, translating each of the items to their new values - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback( elems[ i ], i, arg ); - - if ( value != null ) { - ret.push( value ); - } - } - - // Go through every key on the object, - } else { - for ( i in elems ) { - value = callback( elems[ i ], i, arg ); - - if ( value != null ) { - ret.push( value ); - } - } - } - - // Flatten any nested arrays - return concat.apply( [], ret ); - }, - - // A global GUID counter for objects - guid: 1, - - // Bind a function to a context, optionally partially applying any - // arguments. - proxy: function( fn, context ) { - var tmp, args, proxy; - - if ( typeof context === "string" ) { - tmp = fn[ context ]; - context = fn; - fn = tmp; - } - - // Quick check to determine if target is callable, in the spec - // this throws a TypeError, but we will just return undefined. - if ( !jQuery.isFunction( fn ) ) { - return undefined; - } - - // Simulated bind - args = slice.call( arguments, 2 ); - proxy = function() { - return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); - }; - - // Set the guid of unique handler to the same of original handler, so it can be removed - proxy.guid = fn.guid = fn.guid || jQuery.guid++; - - return proxy; - }, - - now: Date.now, - - // jQuery.support is not used in Core but other projects attach their - // properties to it so it needs to exist. - support: support -}); - -// Populate the class2type map -jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { - class2type[ "[object " + name + "]" ] = name.toLowerCase(); -}); - -function isArraylike( obj ) { - var length = obj.length, - type = jQuery.type( obj ); - - if ( type === "function" || jQuery.isWindow( obj ) ) { - return false; - } - - if ( obj.nodeType === 1 && length ) { - return true; - } - - return type === "array" || length === 0 || - typeof length === "number" && length > 0 && ( length - 1 ) in obj; -} -var Sizzle = -/*! - * Sizzle CSS Selector Engine v2.2.0-pre - * http://sizzlejs.com/ - * - * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors - * Released under the MIT license - * http://jquery.org/license - * - * Date: 2014-12-16 - */ -(function( window ) { - -var i, - support, - Expr, - getText, - isXML, - tokenize, - compile, - select, - outermostContext, - sortInput, - hasDuplicate, - - // Local document vars - setDocument, - document, - docElem, - documentIsHTML, - rbuggyQSA, - rbuggyMatches, - matches, - contains, - - // Instance-specific data - expando = "sizzle" + 1 * new Date(), - preferredDoc = window.document, - dirruns = 0, - done = 0, - classCache = createCache(), - tokenCache = createCache(), - compilerCache = createCache(), - sortOrder = function( a, b ) { - if ( a === b ) { - hasDuplicate = true; - } - return 0; - }, - - // General-purpose constants - MAX_NEGATIVE = 1 << 31, - - // Instance methods - hasOwn = ({}).hasOwnProperty, - arr = [], - pop = arr.pop, - push_native = arr.push, - push = arr.push, - slice = arr.slice, - // Use a stripped-down indexOf as it's faster than native - // http://jsperf.com/thor-indexof-vs-for/5 - indexOf = function( list, elem ) { - var i = 0, - len = list.length; - for ( ; i < len; i++ ) { - if ( list[i] === elem ) { - return i; - } - } - return -1; - }, - - booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", - - // Regular expressions - - // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace - whitespace = "[\\x20\\t\\r\\n\\f]", - // http://www.w3.org/TR/css3-syntax/#characters - characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", - - // Loosely modeled on CSS identifier characters - // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors - // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier - identifier = characterEncoding.replace( "w", "w#" ), - - // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors - attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + - // Operator (capture 2) - "*([*^$|!~]?=)" + whitespace + - // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" - "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + - "*\\]", - - pseudos = ":(" + characterEncoding + ")(?:\\((" + - // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: - // 1. quoted (capture 3; capture 4 or capture 5) - "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + - // 2. simple (capture 6) - "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + - // 3. anything else (capture 2) - ".*" + - ")\\)|)", - - // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter - rwhitespace = new RegExp( whitespace + "+", "g" ), - rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), - - rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), - rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), - - rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), - - rpseudo = new RegExp( pseudos ), - ridentifier = new RegExp( "^" + identifier + "$" ), - - matchExpr = { - "ID": new RegExp( "^#(" + characterEncoding + ")" ), - "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), - "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), - "ATTR": new RegExp( "^" + attributes ), - "PSEUDO": new RegExp( "^" + pseudos ), - "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + - "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + - "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), - "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), - // For use in libraries implementing .is() - // We use this for POS matching in `select` - "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + - whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) - }, - - rinputs = /^(?:input|select|textarea|button)$/i, - rheader = /^h\d$/i, - - rnative = /^[^{]+\{\s*\[native \w/, - - // Easily-parseable/retrievable ID or TAG or CLASS selectors - rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, - - rsibling = /[+~]/, - rescape = /'|\\/g, - - // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters - runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), - funescape = function( _, escaped, escapedWhitespace ) { - var high = "0x" + escaped - 0x10000; - // NaN means non-codepoint - // Support: Firefox<24 - // Workaround erroneous numeric interpretation of +"0x" - return high !== high || escapedWhitespace ? - escaped : - high < 0 ? - // BMP codepoint - String.fromCharCode( high + 0x10000 ) : - // Supplemental Plane codepoint (surrogate pair) - String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); - }, - - // Used for iframes - // See setDocument() - // Removing the function wrapper causes a "Permission Denied" - // error in IE - unloadHandler = function() { - setDocument(); - }; - -// Optimize for push.apply( _, NodeList ) -try { - push.apply( - (arr = slice.call( preferredDoc.childNodes )), - preferredDoc.childNodes - ); - // Support: Android<4.0 - // Detect silently failing push.apply - arr[ preferredDoc.childNodes.length ].nodeType; -} catch ( e ) { - push = { apply: arr.length ? - - // Leverage slice if possible - function( target, els ) { - push_native.apply( target, slice.call(els) ); - } : - - // Support: IE<9 - // Otherwise append directly - function( target, els ) { - var j = target.length, - i = 0; - // Can't trust NodeList.length - while ( (target[j++] = els[i++]) ) {} - target.length = j - 1; - } - }; -} - -function Sizzle( selector, context, results, seed ) { - var match, elem, m, nodeType, - // QSA vars - i, groups, old, nid, newContext, newSelector; - - if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { - setDocument( context ); - } - - context = context || document; - results = results || []; - nodeType = context.nodeType; - - if ( typeof selector !== "string" || !selector || - nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { - - return results; - } - - if ( !seed && documentIsHTML ) { - - // Try to shortcut find operations when possible (e.g., not under DocumentFragment) - if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { - // Speed-up: Sizzle("#ID") - if ( (m = match[1]) ) { - if ( nodeType === 9 ) { - elem = context.getElementById( m ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document (jQuery #6963) - if ( elem && elem.parentNode ) { - // Handle the case where IE, Opera, and Webkit return items - // by name instead of ID - if ( elem.id === m ) { - results.push( elem ); - return results; - } - } else { - return results; - } - } else { - // Context is not a document - if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && - contains( context, elem ) && elem.id === m ) { - results.push( elem ); - return results; - } - } - - // Speed-up: Sizzle("TAG") - } else if ( match[2] ) { - push.apply( results, context.getElementsByTagName( selector ) ); - return results; - - // Speed-up: Sizzle(".CLASS") - } else if ( (m = match[3]) && support.getElementsByClassName ) { - push.apply( results, context.getElementsByClassName( m ) ); - return results; - } - } - - // QSA path - if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { - nid = old = expando; - newContext = context; - newSelector = nodeType !== 1 && selector; - - // qSA works strangely on Element-rooted queries - // We can work around this by specifying an extra ID on the root - // and working up from there (Thanks to Andrew Dupont for the technique) - // IE 8 doesn't work on object elements - if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { - groups = tokenize( selector ); - - if ( (old = context.getAttribute("id")) ) { - nid = old.replace( rescape, "\\$&" ); - } else { - context.setAttribute( "id", nid ); - } - nid = "[id='" + nid + "'] "; - - i = groups.length; - while ( i-- ) { - groups[i] = nid + toSelector( groups[i] ); - } - newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; - newSelector = groups.join(","); - } - - if ( newSelector ) { - try { - push.apply( results, - newContext.querySelectorAll( newSelector ) - ); - return results; - } catch(qsaError) { - } finally { - if ( !old ) { - context.removeAttribute("id"); - } - } - } - } - } - - // All others - return select( selector.replace( rtrim, "$1" ), context, results, seed ); -} - -/** - * Create key-value caches of limited size - * @returns {Function(string, Object)} Returns the Object data after storing it on itself with - * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) - * deleting the oldest entry - */ -function createCache() { - var keys = []; - - function cache( key, value ) { - // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) - if ( keys.push( key + " " ) > Expr.cacheLength ) { - // Only keep the most recent entries - delete cache[ keys.shift() ]; - } - return (cache[ key + " " ] = value); - } - return cache; -} - -/** - * Mark a function for special use by Sizzle - * @param {Function} fn The function to mark - */ -function markFunction( fn ) { - fn[ expando ] = true; - return fn; -} - -/** - * Support testing using an element - * @param {Function} fn Passed the created div and expects a boolean result - */ -function assert( fn ) { - var div = document.createElement("div"); - - try { - return !!fn( div ); - } catch (e) { - return false; - } finally { - // Remove from its parent by default - if ( div.parentNode ) { - div.parentNode.removeChild( div ); - } - // release memory in IE - div = null; - } -} - -/** - * Adds the same handler for all of the specified attrs - * @param {String} attrs Pipe-separated list of attributes - * @param {Function} handler The method that will be applied - */ -function addHandle( attrs, handler ) { - var arr = attrs.split("|"), - i = attrs.length; - - while ( i-- ) { - Expr.attrHandle[ arr[i] ] = handler; - } -} - -/** - * Checks document order of two siblings - * @param {Element} a - * @param {Element} b - * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b - */ -function siblingCheck( a, b ) { - var cur = b && a, - diff = cur && a.nodeType === 1 && b.nodeType === 1 && - ( ~b.sourceIndex || MAX_NEGATIVE ) - - ( ~a.sourceIndex || MAX_NEGATIVE ); - - // Use IE sourceIndex if available on both nodes - if ( diff ) { - return diff; - } - - // Check if b follows a - if ( cur ) { - while ( (cur = cur.nextSibling) ) { - if ( cur === b ) { - return -1; - } - } - } - - return a ? 1 : -1; -} - -/** - * Returns a function to use in pseudos for input types - * @param {String} type - */ -function createInputPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === type; - }; -} - -/** - * Returns a function to use in pseudos for buttons - * @param {String} type - */ -function createButtonPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return (name === "input" || name === "button") && elem.type === type; - }; -} - -/** - * Returns a function to use in pseudos for positionals - * @param {Function} fn - */ -function createPositionalPseudo( fn ) { - return markFunction(function( argument ) { - argument = +argument; - return markFunction(function( seed, matches ) { - var j, - matchIndexes = fn( [], seed.length, argument ), - i = matchIndexes.length; - - // Match elements found at the specified indexes - while ( i-- ) { - if ( seed[ (j = matchIndexes[i]) ] ) { - seed[j] = !(matches[j] = seed[j]); - } - } - }); - }); -} - -/** - * Checks a node for validity as a Sizzle context - * @param {Element|Object=} context - * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value - */ -function testContext( context ) { - return context && typeof context.getElementsByTagName !== "undefined" && context; -} - -// Expose support vars for convenience -support = Sizzle.support = {}; - -/** - * Detects XML nodes - * @param {Element|Object} elem An element or a document - * @returns {Boolean} True iff elem is a non-HTML XML node - */ -isXML = Sizzle.isXML = function( elem ) { - // documentElement is verified for cases where it doesn't yet exist - // (such as loading iframes in IE - #4833) - var documentElement = elem && (elem.ownerDocument || elem).documentElement; - return documentElement ? documentElement.nodeName !== "HTML" : false; -}; - -/** - * Sets document-related variables once based on the current document - * @param {Element|Object} [doc] An element or document object to use to set the document - * @returns {Object} Returns the current document - */ -setDocument = Sizzle.setDocument = function( node ) { - var hasCompare, parent, - doc = node ? node.ownerDocument || node : preferredDoc; - - // If no document and documentElement is available, return - if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { - return document; - } - - // Set our document - document = doc; - docElem = doc.documentElement; - parent = doc.defaultView; - - // Support: IE>8 - // If iframe document is assigned to "document" variable and if iframe has been reloaded, - // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 - // IE6-8 do not support the defaultView property so parent will be undefined - if ( parent && parent !== parent.top ) { - // IE11 does not have attachEvent, so all must suffer - if ( parent.addEventListener ) { - parent.addEventListener( "unload", unloadHandler, false ); - } else if ( parent.attachEvent ) { - parent.attachEvent( "onunload", unloadHandler ); - } - } - - /* Support tests - ---------------------------------------------------------------------- */ - documentIsHTML = !isXML( doc ); - - /* Attributes - ---------------------------------------------------------------------- */ - - // Support: IE<8 - // Verify that getAttribute really returns attributes and not properties - // (excepting IE8 booleans) - support.attributes = assert(function( div ) { - div.className = "i"; - return !div.getAttribute("className"); - }); - - /* getElement(s)By* - ---------------------------------------------------------------------- */ - - // Check if getElementsByTagName("*") returns only elements - support.getElementsByTagName = assert(function( div ) { - div.appendChild( doc.createComment("") ); - return !div.getElementsByTagName("*").length; - }); - - // Support: IE<9 - support.getElementsByClassName = rnative.test( doc.getElementsByClassName ); - - // Support: IE<10 - // Check if getElementById returns elements by name - // The broken getElementById methods don't pick up programatically-set names, - // so use a roundabout getElementsByName test - support.getById = assert(function( div ) { - docElem.appendChild( div ).id = expando; - return !doc.getElementsByName || !doc.getElementsByName( expando ).length; - }); - - // ID find and filter - if ( support.getById ) { - Expr.find["ID"] = function( id, context ) { - if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { - var m = context.getElementById( id ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - return m && m.parentNode ? [ m ] : []; - } - }; - Expr.filter["ID"] = function( id ) { - var attrId = id.replace( runescape, funescape ); - return function( elem ) { - return elem.getAttribute("id") === attrId; - }; - }; - } else { - // Support: IE6/7 - // getElementById is not reliable as a find shortcut - delete Expr.find["ID"]; - - Expr.filter["ID"] = function( id ) { - var attrId = id.replace( runescape, funescape ); - return function( elem ) { - var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); - return node && node.value === attrId; - }; - }; - } - - // Tag - Expr.find["TAG"] = support.getElementsByTagName ? - function( tag, context ) { - if ( typeof context.getElementsByTagName !== "undefined" ) { - return context.getElementsByTagName( tag ); - - // DocumentFragment nodes don't have gEBTN - } else if ( support.qsa ) { - return context.querySelectorAll( tag ); - } - } : - - function( tag, context ) { - var elem, - tmp = [], - i = 0, - // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too - results = context.getElementsByTagName( tag ); - - // Filter out possible comments - if ( tag === "*" ) { - while ( (elem = results[i++]) ) { - if ( elem.nodeType === 1 ) { - tmp.push( elem ); - } - } - - return tmp; - } - return results; - }; - - // Class - Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { - if ( documentIsHTML ) { - return context.getElementsByClassName( className ); - } - }; - - /* QSA/matchesSelector - ---------------------------------------------------------------------- */ - - // QSA and matchesSelector support - - // matchesSelector(:active) reports false when true (IE9/Opera 11.5) - rbuggyMatches = []; - - // qSa(:focus) reports false when true (Chrome 21) - // We allow this because of a bug in IE8/9 that throws an error - // whenever `document.activeElement` is accessed on an iframe - // So, we allow :focus to pass through QSA all the time to avoid the IE error - // See http://bugs.jquery.com/ticket/13378 - rbuggyQSA = []; - - if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { - // Build QSA regex - // Regex strategy adopted from Diego Perini - assert(function( div ) { - // Select is set to empty string on purpose - // This is to test IE's treatment of not explicitly - // setting a boolean content attribute, - // since its presence should be enough - // http://bugs.jquery.com/ticket/12359 - docElem.appendChild( div ).innerHTML = "" + - ""; - - // Support: IE8, Opera 11-12.16 - // Nothing should be selected when empty strings follow ^= or $= or *= - // The test attribute must be unknown in Opera but "safe" for WinRT - // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section - if ( div.querySelectorAll("[msallowcapture^='']").length ) { - rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); - } - - // Support: IE8 - // Boolean attributes and "value" are not treated correctly - if ( !div.querySelectorAll("[selected]").length ) { - rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); - } - - // Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+ - if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { - rbuggyQSA.push("~="); - } - - // Webkit/Opera - :checked should return selected option elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":checked").length ) { - rbuggyQSA.push(":checked"); - } - - // Support: Safari 8+, iOS 8+ - // https://bugs.webkit.org/show_bug.cgi?id=136851 - // In-page `selector#id sibing-combinator selector` fails - if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { - rbuggyQSA.push(".#.+[+~]"); - } - }); - - assert(function( div ) { - // Support: Windows 8 Native Apps - // The type and name attributes are restricted during .innerHTML assignment - var input = doc.createElement("input"); - input.setAttribute( "type", "hidden" ); - div.appendChild( input ).setAttribute( "name", "D" ); - - // Support: IE8 - // Enforce case-sensitivity of name attribute - if ( div.querySelectorAll("[name=d]").length ) { - rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); - } - - // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":enabled").length ) { - rbuggyQSA.push( ":enabled", ":disabled" ); - } - - // Opera 10-11 does not throw on post-comma invalid pseudos - div.querySelectorAll("*,:x"); - rbuggyQSA.push(",.*:"); - }); - } - - if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || - docElem.webkitMatchesSelector || - docElem.mozMatchesSelector || - docElem.oMatchesSelector || - docElem.msMatchesSelector) )) ) { - - assert(function( div ) { - // Check to see if it's possible to do matchesSelector - // on a disconnected node (IE 9) - support.disconnectedMatch = matches.call( div, "div" ); - - // This should fail with an exception - // Gecko does not error, returns false instead - matches.call( div, "[s!='']:x" ); - rbuggyMatches.push( "!=", pseudos ); - }); - } - - rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); - rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); - - /* Contains - ---------------------------------------------------------------------- */ - hasCompare = rnative.test( docElem.compareDocumentPosition ); - - // Element contains another - // Purposefully does not implement inclusive descendent - // As in, an element does not contain itself - contains = hasCompare || rnative.test( docElem.contains ) ? - function( a, b ) { - var adown = a.nodeType === 9 ? a.documentElement : a, - bup = b && b.parentNode; - return a === bup || !!( bup && bup.nodeType === 1 && ( - adown.contains ? - adown.contains( bup ) : - a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 - )); - } : - function( a, b ) { - if ( b ) { - while ( (b = b.parentNode) ) { - if ( b === a ) { - return true; - } - } - } - return false; - }; - - /* Sorting - ---------------------------------------------------------------------- */ - - // Document order sorting - sortOrder = hasCompare ? - function( a, b ) { - - // Flag for duplicate removal - if ( a === b ) { - hasDuplicate = true; - return 0; - } - - // Sort on method existence if only one input has compareDocumentPosition - var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; - if ( compare ) { - return compare; - } - - // Calculate position if both inputs belong to the same document - compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? - a.compareDocumentPosition( b ) : - - // Otherwise we know they are disconnected - 1; - - // Disconnected nodes - if ( compare & 1 || - (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { - - // Choose the first element that is related to our preferred document - if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { - return -1; - } - if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { - return 1; - } - - // Maintain original order - return sortInput ? - ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : - 0; - } - - return compare & 4 ? -1 : 1; - } : - function( a, b ) { - // Exit early if the nodes are identical - if ( a === b ) { - hasDuplicate = true; - return 0; - } - - var cur, - i = 0, - aup = a.parentNode, - bup = b.parentNode, - ap = [ a ], - bp = [ b ]; - - // Parentless nodes are either documents or disconnected - if ( !aup || !bup ) { - return a === doc ? -1 : - b === doc ? 1 : - aup ? -1 : - bup ? 1 : - sortInput ? - ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : - 0; - - // If the nodes are siblings, we can do a quick check - } else if ( aup === bup ) { - return siblingCheck( a, b ); - } - - // Otherwise we need full lists of their ancestors for comparison - cur = a; - while ( (cur = cur.parentNode) ) { - ap.unshift( cur ); - } - cur = b; - while ( (cur = cur.parentNode) ) { - bp.unshift( cur ); - } - - // Walk down the tree looking for a discrepancy - while ( ap[i] === bp[i] ) { - i++; - } - - return i ? - // Do a sibling check if the nodes have a common ancestor - siblingCheck( ap[i], bp[i] ) : - - // Otherwise nodes in our document sort first - ap[i] === preferredDoc ? -1 : - bp[i] === preferredDoc ? 1 : - 0; - }; - - return doc; -}; - -Sizzle.matches = function( expr, elements ) { - return Sizzle( expr, null, null, elements ); -}; - -Sizzle.matchesSelector = function( elem, expr ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } - - // Make sure that attribute selectors are quoted - expr = expr.replace( rattributeQuotes, "='$1']" ); - - if ( support.matchesSelector && documentIsHTML && - ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && - ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { - - try { - var ret = matches.call( elem, expr ); - - // IE 9's matchesSelector returns false on disconnected nodes - if ( ret || support.disconnectedMatch || - // As well, disconnected nodes are said to be in a document - // fragment in IE 9 - elem.document && elem.document.nodeType !== 11 ) { - return ret; - } - } catch (e) {} - } - - return Sizzle( expr, document, null, [ elem ] ).length > 0; -}; - -Sizzle.contains = function( context, elem ) { - // Set document vars if needed - if ( ( context.ownerDocument || context ) !== document ) { - setDocument( context ); - } - return contains( context, elem ); -}; - -Sizzle.attr = function( elem, name ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } - - var fn = Expr.attrHandle[ name.toLowerCase() ], - // Don't get fooled by Object.prototype properties (jQuery #13807) - val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? - fn( elem, name, !documentIsHTML ) : - undefined; - - return val !== undefined ? - val : - support.attributes || !documentIsHTML ? - elem.getAttribute( name ) : - (val = elem.getAttributeNode(name)) && val.specified ? - val.value : - null; -}; - -Sizzle.error = function( msg ) { - throw new Error( "Syntax error, unrecognized expression: " + msg ); -}; - -/** - * Document sorting and removing duplicates - * @param {ArrayLike} results - */ -Sizzle.uniqueSort = function( results ) { - var elem, - duplicates = [], - j = 0, - i = 0; - - // Unless we *know* we can detect duplicates, assume their presence - hasDuplicate = !support.detectDuplicates; - sortInput = !support.sortStable && results.slice( 0 ); - results.sort( sortOrder ); - - if ( hasDuplicate ) { - while ( (elem = results[i++]) ) { - if ( elem === results[ i ] ) { - j = duplicates.push( i ); - } - } - while ( j-- ) { - results.splice( duplicates[ j ], 1 ); - } - } - - // Clear input after sorting to release objects - // See https://github.com/jquery/sizzle/pull/225 - sortInput = null; - - return results; -}; - -/** - * Utility function for retrieving the text value of an array of DOM nodes - * @param {Array|Element} elem - */ -getText = Sizzle.getText = function( elem ) { - var node, - ret = "", - i = 0, - nodeType = elem.nodeType; - - if ( !nodeType ) { - // If no nodeType, this is expected to be an array - while ( (node = elem[i++]) ) { - // Do not traverse comment nodes - ret += getText( node ); - } - } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { - // Use textContent for elements - // innerText usage removed for consistency of new lines (jQuery #11153) - if ( typeof elem.textContent === "string" ) { - return elem.textContent; - } else { - // Traverse its children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - ret += getText( elem ); - } - } - } else if ( nodeType === 3 || nodeType === 4 ) { - return elem.nodeValue; - } - // Do not include comment or processing instruction nodes - - return ret; -}; - -Expr = Sizzle.selectors = { - - // Can be adjusted by the user - cacheLength: 50, - - createPseudo: markFunction, - - match: matchExpr, - - attrHandle: {}, - - find: {}, - - relative: { - ">": { dir: "parentNode", first: true }, - " ": { dir: "parentNode" }, - "+": { dir: "previousSibling", first: true }, - "~": { dir: "previousSibling" } - }, - - preFilter: { - "ATTR": function( match ) { - match[1] = match[1].replace( runescape, funescape ); - - // Move the given value to match[3] whether quoted or unquoted - match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); - - if ( match[2] === "~=" ) { - match[3] = " " + match[3] + " "; - } - - return match.slice( 0, 4 ); - }, - - "CHILD": function( match ) { - /* matches from matchExpr["CHILD"] - 1 type (only|nth|...) - 2 what (child|of-type) - 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) - 4 xn-component of xn+y argument ([+-]?\d*n|) - 5 sign of xn-component - 6 x of xn-component - 7 sign of y-component - 8 y of y-component - */ - match[1] = match[1].toLowerCase(); - - if ( match[1].slice( 0, 3 ) === "nth" ) { - // nth-* requires argument - if ( !match[3] ) { - Sizzle.error( match[0] ); - } - - // numeric x and y parameters for Expr.filter.CHILD - // remember that false/true cast respectively to 0/1 - match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); - match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); - - // other types prohibit arguments - } else if ( match[3] ) { - Sizzle.error( match[0] ); - } - - return match; - }, - - "PSEUDO": function( match ) { - var excess, - unquoted = !match[6] && match[2]; - - if ( matchExpr["CHILD"].test( match[0] ) ) { - return null; - } - - // Accept quoted arguments as-is - if ( match[3] ) { - match[2] = match[4] || match[5] || ""; - - // Strip excess characters from unquoted arguments - } else if ( unquoted && rpseudo.test( unquoted ) && - // Get excess from tokenize (recursively) - (excess = tokenize( unquoted, true )) && - // advance to the next closing parenthesis - (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { - - // excess is a negative index - match[0] = match[0].slice( 0, excess ); - match[2] = unquoted.slice( 0, excess ); - } - - // Return only captures needed by the pseudo filter method (type and argument) - return match.slice( 0, 3 ); - } - }, - - filter: { - - "TAG": function( nodeNameSelector ) { - var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); - return nodeNameSelector === "*" ? - function() { return true; } : - function( elem ) { - return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; - }; - }, - - "CLASS": function( className ) { - var pattern = classCache[ className + " " ]; - - return pattern || - (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && - classCache( className, function( elem ) { - return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); - }); - }, - - "ATTR": function( name, operator, check ) { - return function( elem ) { - var result = Sizzle.attr( elem, name ); - - if ( result == null ) { - return operator === "!="; - } - if ( !operator ) { - return true; - } - - result += ""; - - return operator === "=" ? result === check : - operator === "!=" ? result !== check : - operator === "^=" ? check && result.indexOf( check ) === 0 : - operator === "*=" ? check && result.indexOf( check ) > -1 : - operator === "$=" ? check && result.slice( -check.length ) === check : - operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : - operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : - false; - }; - }, - - "CHILD": function( type, what, argument, first, last ) { - var simple = type.slice( 0, 3 ) !== "nth", - forward = type.slice( -4 ) !== "last", - ofType = what === "of-type"; - - return first === 1 && last === 0 ? - - // Shortcut for :nth-*(n) - function( elem ) { - return !!elem.parentNode; - } : - - function( elem, context, xml ) { - var cache, outerCache, node, diff, nodeIndex, start, - dir = simple !== forward ? "nextSibling" : "previousSibling", - parent = elem.parentNode, - name = ofType && elem.nodeName.toLowerCase(), - useCache = !xml && !ofType; - - if ( parent ) { - - // :(first|last|only)-(child|of-type) - if ( simple ) { - while ( dir ) { - node = elem; - while ( (node = node[ dir ]) ) { - if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { - return false; - } - } - // Reverse direction for :only-* (if we haven't yet done so) - start = dir = type === "only" && !start && "nextSibling"; - } - return true; - } - - start = [ forward ? parent.firstChild : parent.lastChild ]; - - // non-xml :nth-child(...) stores cache data on `parent` - if ( forward && useCache ) { - // Seek `elem` from a previously-cached index - outerCache = parent[ expando ] || (parent[ expando ] = {}); - cache = outerCache[ type ] || []; - nodeIndex = cache[0] === dirruns && cache[1]; - diff = cache[0] === dirruns && cache[2]; - node = nodeIndex && parent.childNodes[ nodeIndex ]; - - while ( (node = ++nodeIndex && node && node[ dir ] || - - // Fallback to seeking `elem` from the start - (diff = nodeIndex = 0) || start.pop()) ) { - - // When found, cache indexes on `parent` and break - if ( node.nodeType === 1 && ++diff && node === elem ) { - outerCache[ type ] = [ dirruns, nodeIndex, diff ]; - break; - } - } - - // Use previously-cached element index if available - } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { - diff = cache[1]; - - // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) - } else { - // Use the same loop as above to seek `elem` from the start - while ( (node = ++nodeIndex && node && node[ dir ] || - (diff = nodeIndex = 0) || start.pop()) ) { - - if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { - // Cache the index of each encountered element - if ( useCache ) { - (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; - } - - if ( node === elem ) { - break; - } - } - } - } - - // Incorporate the offset, then check against cycle size - diff -= last; - return diff === first || ( diff % first === 0 && diff / first >= 0 ); - } - }; - }, - - "PSEUDO": function( pseudo, argument ) { - // pseudo-class names are case-insensitive - // http://www.w3.org/TR/selectors/#pseudo-classes - // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters - // Remember that setFilters inherits from pseudos - var args, - fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || - Sizzle.error( "unsupported pseudo: " + pseudo ); - - // The user may use createPseudo to indicate that - // arguments are needed to create the filter function - // just as Sizzle does - if ( fn[ expando ] ) { - return fn( argument ); - } - - // But maintain support for old signatures - if ( fn.length > 1 ) { - args = [ pseudo, pseudo, "", argument ]; - return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? - markFunction(function( seed, matches ) { - var idx, - matched = fn( seed, argument ), - i = matched.length; - while ( i-- ) { - idx = indexOf( seed, matched[i] ); - seed[ idx ] = !( matches[ idx ] = matched[i] ); - } - }) : - function( elem ) { - return fn( elem, 0, args ); - }; - } - - return fn; - } - }, - - pseudos: { - // Potentially complex pseudos - "not": markFunction(function( selector ) { - // Trim the selector passed to compile - // to avoid treating leading and trailing - // spaces as combinators - var input = [], - results = [], - matcher = compile( selector.replace( rtrim, "$1" ) ); - - return matcher[ expando ] ? - markFunction(function( seed, matches, context, xml ) { - var elem, - unmatched = matcher( seed, null, xml, [] ), - i = seed.length; - - // Match elements unmatched by `matcher` - while ( i-- ) { - if ( (elem = unmatched[i]) ) { - seed[i] = !(matches[i] = elem); - } - } - }) : - function( elem, context, xml ) { - input[0] = elem; - matcher( input, null, xml, results ); - // Don't keep the element (issue #299) - input[0] = null; - return !results.pop(); - }; - }), - - "has": markFunction(function( selector ) { - return function( elem ) { - return Sizzle( selector, elem ).length > 0; - }; - }), - - "contains": markFunction(function( text ) { - text = text.replace( runescape, funescape ); - return function( elem ) { - return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; - }; - }), - - // "Whether an element is represented by a :lang() selector - // is based solely on the element's language value - // being equal to the identifier C, - // or beginning with the identifier C immediately followed by "-". - // The matching of C against the element's language value is performed case-insensitively. - // The identifier C does not have to be a valid language name." - // http://www.w3.org/TR/selectors/#lang-pseudo - "lang": markFunction( function( lang ) { - // lang value must be a valid identifier - if ( !ridentifier.test(lang || "") ) { - Sizzle.error( "unsupported lang: " + lang ); - } - lang = lang.replace( runescape, funescape ).toLowerCase(); - return function( elem ) { - var elemLang; - do { - if ( (elemLang = documentIsHTML ? - elem.lang : - elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { - - elemLang = elemLang.toLowerCase(); - return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; - } - } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); - return false; - }; - }), - - // Miscellaneous - "target": function( elem ) { - var hash = window.location && window.location.hash; - return hash && hash.slice( 1 ) === elem.id; - }, - - "root": function( elem ) { - return elem === docElem; - }, - - "focus": function( elem ) { - return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); - }, - - // Boolean properties - "enabled": function( elem ) { - return elem.disabled === false; - }, - - "disabled": function( elem ) { - return elem.disabled === true; - }, - - "checked": function( elem ) { - // In CSS3, :checked should return both checked and selected elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - var nodeName = elem.nodeName.toLowerCase(); - return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); - }, - - "selected": function( elem ) { - // Accessing this property makes selected-by-default - // options in Safari work properly - if ( elem.parentNode ) { - elem.parentNode.selectedIndex; - } - - return elem.selected === true; - }, - - // Contents - "empty": function( elem ) { - // http://www.w3.org/TR/selectors/#empty-pseudo - // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), - // but not by others (comment: 8; processing instruction: 7; etc.) - // nodeType < 6 works because attributes (2) do not appear as children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - if ( elem.nodeType < 6 ) { - return false; - } - } - return true; - }, - - "parent": function( elem ) { - return !Expr.pseudos["empty"]( elem ); - }, - - // Element/input types - "header": function( elem ) { - return rheader.test( elem.nodeName ); - }, - - "input": function( elem ) { - return rinputs.test( elem.nodeName ); - }, - - "button": function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === "button" || name === "button"; - }, - - "text": function( elem ) { - var attr; - return elem.nodeName.toLowerCase() === "input" && - elem.type === "text" && - - // Support: IE<8 - // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" - ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); - }, - - // Position-in-collection - "first": createPositionalPseudo(function() { - return [ 0 ]; - }), - - "last": createPositionalPseudo(function( matchIndexes, length ) { - return [ length - 1 ]; - }), - - "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { - return [ argument < 0 ? argument + length : argument ]; - }), - - "even": createPositionalPseudo(function( matchIndexes, length ) { - var i = 0; - for ( ; i < length; i += 2 ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), - - "odd": createPositionalPseudo(function( matchIndexes, length ) { - var i = 1; - for ( ; i < length; i += 2 ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), - - "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; - for ( ; --i >= 0; ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), - - "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; - for ( ; ++i < length; ) { - matchIndexes.push( i ); - } - return matchIndexes; - }) - } -}; - -Expr.pseudos["nth"] = Expr.pseudos["eq"]; - -// Add button/input type pseudos -for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { - Expr.pseudos[ i ] = createInputPseudo( i ); -} -for ( i in { submit: true, reset: true } ) { - Expr.pseudos[ i ] = createButtonPseudo( i ); -} - -// Easy API for creating new setFilters -function setFilters() {} -setFilters.prototype = Expr.filters = Expr.pseudos; -Expr.setFilters = new setFilters(); - -tokenize = Sizzle.tokenize = function( selector, parseOnly ) { - var matched, match, tokens, type, - soFar, groups, preFilters, - cached = tokenCache[ selector + " " ]; - - if ( cached ) { - return parseOnly ? 0 : cached.slice( 0 ); - } - - soFar = selector; - groups = []; - preFilters = Expr.preFilter; - - while ( soFar ) { - - // Comma and first run - if ( !matched || (match = rcomma.exec( soFar )) ) { - if ( match ) { - // Don't consume trailing commas as valid - soFar = soFar.slice( match[0].length ) || soFar; - } - groups.push( (tokens = []) ); - } - - matched = false; - - // Combinators - if ( (match = rcombinators.exec( soFar )) ) { - matched = match.shift(); - tokens.push({ - value: matched, - // Cast descendant combinators to space - type: match[0].replace( rtrim, " " ) - }); - soFar = soFar.slice( matched.length ); - } - - // Filters - for ( type in Expr.filter ) { - if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || - (match = preFilters[ type ]( match ))) ) { - matched = match.shift(); - tokens.push({ - value: matched, - type: type, - matches: match - }); - soFar = soFar.slice( matched.length ); - } - } - - if ( !matched ) { - break; - } - } - - // Return the length of the invalid excess - // if we're just parsing - // Otherwise, throw an error or return tokens - return parseOnly ? - soFar.length : - soFar ? - Sizzle.error( selector ) : - // Cache the tokens - tokenCache( selector, groups ).slice( 0 ); -}; - -function toSelector( tokens ) { - var i = 0, - len = tokens.length, - selector = ""; - for ( ; i < len; i++ ) { - selector += tokens[i].value; - } - return selector; -} - -function addCombinator( matcher, combinator, base ) { - var dir = combinator.dir, - checkNonElements = base && dir === "parentNode", - doneName = done++; - - return combinator.first ? - // Check against closest ancestor/preceding element - function( elem, context, xml ) { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - return matcher( elem, context, xml ); - } - } - } : - - // Check against all ancestor/preceding elements - function( elem, context, xml ) { - var oldCache, outerCache, - newCache = [ dirruns, doneName ]; - - // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching - if ( xml ) { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - if ( matcher( elem, context, xml ) ) { - return true; - } - } - } - } else { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - outerCache = elem[ expando ] || (elem[ expando ] = {}); - if ( (oldCache = outerCache[ dir ]) && - oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { - - // Assign to newCache so results back-propagate to previous elements - return (newCache[ 2 ] = oldCache[ 2 ]); - } else { - // Reuse newcache so results back-propagate to previous elements - outerCache[ dir ] = newCache; - - // A match means we're done; a fail means we have to keep checking - if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { - return true; - } - } - } - } - } - }; -} - -function elementMatcher( matchers ) { - return matchers.length > 1 ? - function( elem, context, xml ) { - var i = matchers.length; - while ( i-- ) { - if ( !matchers[i]( elem, context, xml ) ) { - return false; - } - } - return true; - } : - matchers[0]; -} - -function multipleContexts( selector, contexts, results ) { - var i = 0, - len = contexts.length; - for ( ; i < len; i++ ) { - Sizzle( selector, contexts[i], results ); - } - return results; -} - -function condense( unmatched, map, filter, context, xml ) { - var elem, - newUnmatched = [], - i = 0, - len = unmatched.length, - mapped = map != null; - - for ( ; i < len; i++ ) { - if ( (elem = unmatched[i]) ) { - if ( !filter || filter( elem, context, xml ) ) { - newUnmatched.push( elem ); - if ( mapped ) { - map.push( i ); - } - } - } - } - - return newUnmatched; -} - -function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { - if ( postFilter && !postFilter[ expando ] ) { - postFilter = setMatcher( postFilter ); - } - if ( postFinder && !postFinder[ expando ] ) { - postFinder = setMatcher( postFinder, postSelector ); - } - return markFunction(function( seed, results, context, xml ) { - var temp, i, elem, - preMap = [], - postMap = [], - preexisting = results.length, - - // Get initial elements from seed or context - elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), - - // Prefilter to get matcher input, preserving a map for seed-results synchronization - matcherIn = preFilter && ( seed || !selector ) ? - condense( elems, preMap, preFilter, context, xml ) : - elems, - - matcherOut = matcher ? - // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, - postFinder || ( seed ? preFilter : preexisting || postFilter ) ? - - // ...intermediate processing is necessary - [] : - - // ...otherwise use results directly - results : - matcherIn; - - // Find primary matches - if ( matcher ) { - matcher( matcherIn, matcherOut, context, xml ); - } - - // Apply postFilter - if ( postFilter ) { - temp = condense( matcherOut, postMap ); - postFilter( temp, [], context, xml ); - - // Un-match failing elements by moving them back to matcherIn - i = temp.length; - while ( i-- ) { - if ( (elem = temp[i]) ) { - matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); - } - } - } - - if ( seed ) { - if ( postFinder || preFilter ) { - if ( postFinder ) { - // Get the final matcherOut by condensing this intermediate into postFinder contexts - temp = []; - i = matcherOut.length; - while ( i-- ) { - if ( (elem = matcherOut[i]) ) { - // Restore matcherIn since elem is not yet a final match - temp.push( (matcherIn[i] = elem) ); - } - } - postFinder( null, (matcherOut = []), temp, xml ); - } - - // Move matched elements from seed to results to keep them synchronized - i = matcherOut.length; - while ( i-- ) { - if ( (elem = matcherOut[i]) && - (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { - - seed[temp] = !(results[temp] = elem); - } - } - } - - // Add elements to results, through postFinder if defined - } else { - matcherOut = condense( - matcherOut === results ? - matcherOut.splice( preexisting, matcherOut.length ) : - matcherOut - ); - if ( postFinder ) { - postFinder( null, results, matcherOut, xml ); - } else { - push.apply( results, matcherOut ); - } - } - }); -} - -function matcherFromTokens( tokens ) { - var checkContext, matcher, j, - len = tokens.length, - leadingRelative = Expr.relative[ tokens[0].type ], - implicitRelative = leadingRelative || Expr.relative[" "], - i = leadingRelative ? 1 : 0, - - // The foundational matcher ensures that elements are reachable from top-level context(s) - matchContext = addCombinator( function( elem ) { - return elem === checkContext; - }, implicitRelative, true ), - matchAnyContext = addCombinator( function( elem ) { - return indexOf( checkContext, elem ) > -1; - }, implicitRelative, true ), - matchers = [ function( elem, context, xml ) { - var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( - (checkContext = context).nodeType ? - matchContext( elem, context, xml ) : - matchAnyContext( elem, context, xml ) ); - // Avoid hanging onto element (issue #299) - checkContext = null; - return ret; - } ]; - - for ( ; i < len; i++ ) { - if ( (matcher = Expr.relative[ tokens[i].type ]) ) { - matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; - } else { - matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); - - // Return special upon seeing a positional matcher - if ( matcher[ expando ] ) { - // Find the next relative operator (if any) for proper handling - j = ++i; - for ( ; j < len; j++ ) { - if ( Expr.relative[ tokens[j].type ] ) { - break; - } - } - return setMatcher( - i > 1 && elementMatcher( matchers ), - i > 1 && toSelector( - // If the preceding token was a descendant combinator, insert an implicit any-element `*` - tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) - ).replace( rtrim, "$1" ), - matcher, - i < j && matcherFromTokens( tokens.slice( i, j ) ), - j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), - j < len && toSelector( tokens ) - ); - } - matchers.push( matcher ); - } - } - - return elementMatcher( matchers ); -} - -function matcherFromGroupMatchers( elementMatchers, setMatchers ) { - var bySet = setMatchers.length > 0, - byElement = elementMatchers.length > 0, - superMatcher = function( seed, context, xml, results, outermost ) { - var elem, j, matcher, - matchedCount = 0, - i = "0", - unmatched = seed && [], - setMatched = [], - contextBackup = outermostContext, - // We must always have either seed elements or outermost context - elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), - // Use integer dirruns iff this is the outermost matcher - dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), - len = elems.length; - - if ( outermost ) { - outermostContext = context !== document && context; - } - - // Add elements passing elementMatchers directly to results - // Keep `i` a string if there are no elements so `matchedCount` will be "00" below - // Support: IE<9, Safari - // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id - for ( ; i !== len && (elem = elems[i]) != null; i++ ) { - if ( byElement && elem ) { - j = 0; - while ( (matcher = elementMatchers[j++]) ) { - if ( matcher( elem, context, xml ) ) { - results.push( elem ); - break; - } - } - if ( outermost ) { - dirruns = dirrunsUnique; - } - } - - // Track unmatched elements for set filters - if ( bySet ) { - // They will have gone through all possible matchers - if ( (elem = !matcher && elem) ) { - matchedCount--; - } - - // Lengthen the array for every element, matched or not - if ( seed ) { - unmatched.push( elem ); - } - } - } - - // Apply set filters to unmatched elements - matchedCount += i; - if ( bySet && i !== matchedCount ) { - j = 0; - while ( (matcher = setMatchers[j++]) ) { - matcher( unmatched, setMatched, context, xml ); - } - - if ( seed ) { - // Reintegrate element matches to eliminate the need for sorting - if ( matchedCount > 0 ) { - while ( i-- ) { - if ( !(unmatched[i] || setMatched[i]) ) { - setMatched[i] = pop.call( results ); - } - } - } - - // Discard index placeholder values to get only actual matches - setMatched = condense( setMatched ); - } - - // Add matches to results - push.apply( results, setMatched ); - - // Seedless set matches succeeding multiple successful matchers stipulate sorting - if ( outermost && !seed && setMatched.length > 0 && - ( matchedCount + setMatchers.length ) > 1 ) { - - Sizzle.uniqueSort( results ); - } - } - - // Override manipulation of globals by nested matchers - if ( outermost ) { - dirruns = dirrunsUnique; - outermostContext = contextBackup; - } - - return unmatched; - }; - - return bySet ? - markFunction( superMatcher ) : - superMatcher; -} - -compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { - var i, - setMatchers = [], - elementMatchers = [], - cached = compilerCache[ selector + " " ]; - - if ( !cached ) { - // Generate a function of recursive functions that can be used to check each element - if ( !match ) { - match = tokenize( selector ); - } - i = match.length; - while ( i-- ) { - cached = matcherFromTokens( match[i] ); - if ( cached[ expando ] ) { - setMatchers.push( cached ); - } else { - elementMatchers.push( cached ); - } - } - - // Cache the compiled function - cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); - - // Save selector and tokenization - cached.selector = selector; - } - return cached; -}; - -/** - * A low-level selection function that works with Sizzle's compiled - * selector functions - * @param {String|Function} selector A selector or a pre-compiled - * selector function built with Sizzle.compile - * @param {Element} context - * @param {Array} [results] - * @param {Array} [seed] A set of elements to match against - */ -select = Sizzle.select = function( selector, context, results, seed ) { - var i, tokens, token, type, find, - compiled = typeof selector === "function" && selector, - match = !seed && tokenize( (selector = compiled.selector || selector) ); - - results = results || []; - - // Try to minimize operations if there is no seed and only one group - if ( match.length === 1 ) { - - // Take a shortcut and set the context if the root selector is an ID - tokens = match[0] = match[0].slice( 0 ); - if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && - support.getById && context.nodeType === 9 && documentIsHTML && - Expr.relative[ tokens[1].type ] ) { - - context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; - if ( !context ) { - return results; - - // Precompiled matchers will still verify ancestry, so step up a level - } else if ( compiled ) { - context = context.parentNode; - } - - selector = selector.slice( tokens.shift().value.length ); - } - - // Fetch a seed set for right-to-left matching - i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; - while ( i-- ) { - token = tokens[i]; - - // Abort if we hit a combinator - if ( Expr.relative[ (type = token.type) ] ) { - break; - } - if ( (find = Expr.find[ type ]) ) { - // Search, expanding context for leading sibling combinators - if ( (seed = find( - token.matches[0].replace( runescape, funescape ), - rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context - )) ) { - - // If seed is empty or no tokens remain, we can return early - tokens.splice( i, 1 ); - selector = seed.length && toSelector( tokens ); - if ( !selector ) { - push.apply( results, seed ); - return results; - } - - break; - } - } - } - } - - // Compile and execute a filtering function if one is not provided - // Provide `match` to avoid retokenization if we modified the selector above - ( compiled || compile( selector, match ) )( - seed, - context, - !documentIsHTML, - results, - rsibling.test( selector ) && testContext( context.parentNode ) || context - ); - return results; -}; - -// One-time assignments - -// Sort stability -support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; - -// Support: Chrome 14-35+ -// Always assume duplicates if they aren't passed to the comparison function -support.detectDuplicates = !!hasDuplicate; - -// Initialize against the default document -setDocument(); - -// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) -// Detached nodes confoundingly follow *each other* -support.sortDetached = assert(function( div1 ) { - // Should return 1, but returns 4 (following) - return div1.compareDocumentPosition( document.createElement("div") ) & 1; -}); - -// Support: IE<8 -// Prevent attribute/property "interpolation" -// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx -if ( !assert(function( div ) { - div.innerHTML = ""; - return div.firstChild.getAttribute("href") === "#" ; -}) ) { - addHandle( "type|href|height|width", function( elem, name, isXML ) { - if ( !isXML ) { - return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); - } - }); -} - -// Support: IE<9 -// Use defaultValue in place of getAttribute("value") -if ( !support.attributes || !assert(function( div ) { - div.innerHTML = ""; - div.firstChild.setAttribute( "value", "" ); - return div.firstChild.getAttribute( "value" ) === ""; -}) ) { - addHandle( "value", function( elem, name, isXML ) { - if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { - return elem.defaultValue; - } - }); -} - -// Support: IE<9 -// Use getAttributeNode to fetch booleans when getAttribute lies -if ( !assert(function( div ) { - return div.getAttribute("disabled") == null; -}) ) { - addHandle( booleans, function( elem, name, isXML ) { - var val; - if ( !isXML ) { - return elem[ name ] === true ? name.toLowerCase() : - (val = elem.getAttributeNode( name )) && val.specified ? - val.value : - null; - } - }); -} - -return Sizzle; - -})( window ); - - - -jQuery.find = Sizzle; -jQuery.expr = Sizzle.selectors; -jQuery.expr[":"] = jQuery.expr.pseudos; -jQuery.unique = Sizzle.uniqueSort; -jQuery.text = Sizzle.getText; -jQuery.isXMLDoc = Sizzle.isXML; -jQuery.contains = Sizzle.contains; - - - -var rneedsContext = jQuery.expr.match.needsContext; - -var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); - - - -var risSimple = /^.[^:#\[\.,]*$/; - -// Implement the identical functionality for filter and not -function winnow( elements, qualifier, not ) { - if ( jQuery.isFunction( qualifier ) ) { - return jQuery.grep( elements, function( elem, i ) { - /* jshint -W018 */ - return !!qualifier.call( elem, i, elem ) !== not; - }); - - } - - if ( qualifier.nodeType ) { - return jQuery.grep( elements, function( elem ) { - return ( elem === qualifier ) !== not; - }); - - } - - if ( typeof qualifier === "string" ) { - if ( risSimple.test( qualifier ) ) { - return jQuery.filter( qualifier, elements, not ); - } - - qualifier = jQuery.filter( qualifier, elements ); - } - - return jQuery.grep( elements, function( elem ) { - return ( indexOf.call( qualifier, elem ) >= 0 ) !== not; - }); -} - -jQuery.filter = function( expr, elems, not ) { - var elem = elems[ 0 ]; - - if ( not ) { - expr = ":not(" + expr + ")"; - } - - return elems.length === 1 && elem.nodeType === 1 ? - jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : - jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { - return elem.nodeType === 1; - })); -}; - -jQuery.fn.extend({ - find: function( selector ) { - var i, - len = this.length, - ret = [], - self = this; - - if ( typeof selector !== "string" ) { - return this.pushStack( jQuery( selector ).filter(function() { - for ( i = 0; i < len; i++ ) { - if ( jQuery.contains( self[ i ], this ) ) { - return true; - } - } - }) ); - } - - for ( i = 0; i < len; i++ ) { - jQuery.find( selector, self[ i ], ret ); - } - - // Needed because $( selector, context ) becomes $( context ).find( selector ) - ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); - ret.selector = this.selector ? this.selector + " " + selector : selector; - return ret; - }, - filter: function( selector ) { - return this.pushStack( winnow(this, selector || [], false) ); - }, - not: function( selector ) { - return this.pushStack( winnow(this, selector || [], true) ); - }, - is: function( selector ) { - return !!winnow( - this, - - // If this is a positional/relative selector, check membership in the returned set - // so $("p:first").is("p:last") won't return true for a doc with two "p". - typeof selector === "string" && rneedsContext.test( selector ) ? - jQuery( selector ) : - selector || [], - false - ).length; - } -}); - - -// Initialize a jQuery object - - -// A central reference to the root jQuery(document) -var rootjQuery, - - // A simple way to check for HTML strings - // Prioritize #id over to avoid XSS via location.hash (#9521) - // Strict HTML recognition (#11290: must start with <) - rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, - - init = jQuery.fn.init = function( selector, context ) { - var match, elem; - - // HANDLE: $(""), $(null), $(undefined), $(false) - if ( !selector ) { - return this; - } - - // Handle HTML strings - if ( typeof selector === "string" ) { - if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { - // Assume that strings that start and end with <> are HTML and skip the regex check - match = [ null, selector, null ]; - - } else { - match = rquickExpr.exec( selector ); - } - - // Match html or make sure no context is specified for #id - if ( match && (match[1] || !context) ) { - - // HANDLE: $(html) -> $(array) - if ( match[1] ) { - context = context instanceof jQuery ? context[0] : context; - - // Option to run scripts is true for back-compat - // Intentionally let the error be thrown if parseHTML is not present - jQuery.merge( this, jQuery.parseHTML( - match[1], - context && context.nodeType ? context.ownerDocument || context : document, - true - ) ); - - // HANDLE: $(html, props) - if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { - for ( match in context ) { - // Properties of context are called as methods if possible - if ( jQuery.isFunction( this[ match ] ) ) { - this[ match ]( context[ match ] ); - - // ...and otherwise set as attributes - } else { - this.attr( match, context[ match ] ); - } - } - } - - return this; - - // HANDLE: $(#id) - } else { - elem = document.getElementById( match[2] ); - - // Support: Blackberry 4.6 - // gEBID returns nodes no longer in the document (#6963) - if ( elem && elem.parentNode ) { - // Inject the element directly into the jQuery object - this.length = 1; - this[0] = elem; - } - - this.context = document; - this.selector = selector; - return this; - } - - // HANDLE: $(expr, $(...)) - } else if ( !context || context.jquery ) { - return ( context || rootjQuery ).find( selector ); - - // HANDLE: $(expr, context) - // (which is just equivalent to: $(context).find(expr) - } else { - return this.constructor( context ).find( selector ); - } - - // HANDLE: $(DOMElement) - } else if ( selector.nodeType ) { - this.context = this[0] = selector; - this.length = 1; - return this; - - // HANDLE: $(function) - // Shortcut for document ready - } else if ( jQuery.isFunction( selector ) ) { - return typeof rootjQuery.ready !== "undefined" ? - rootjQuery.ready( selector ) : - // Execute immediately if ready is not present - selector( jQuery ); - } - - if ( selector.selector !== undefined ) { - this.selector = selector.selector; - this.context = selector.context; - } - - return jQuery.makeArray( selector, this ); - }; - -// Give the init function the jQuery prototype for later instantiation -init.prototype = jQuery.fn; - -// Initialize central reference -rootjQuery = jQuery( document ); - - -var rparentsprev = /^(?:parents|prev(?:Until|All))/, - // Methods guaranteed to produce a unique set when starting from a unique set - guaranteedUnique = { - children: true, - contents: true, - next: true, - prev: true - }; - -jQuery.extend({ - dir: function( elem, dir, until ) { - var matched = [], - truncate = until !== undefined; - - while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) { - if ( elem.nodeType === 1 ) { - if ( truncate && jQuery( elem ).is( until ) ) { - break; - } - matched.push( elem ); - } - } - return matched; - }, - - sibling: function( n, elem ) { - var matched = []; - - for ( ; n; n = n.nextSibling ) { - if ( n.nodeType === 1 && n !== elem ) { - matched.push( n ); - } - } - - return matched; - } -}); - -jQuery.fn.extend({ - has: function( target ) { - var targets = jQuery( target, this ), - l = targets.length; - - return this.filter(function() { - var i = 0; - for ( ; i < l; i++ ) { - if ( jQuery.contains( this, targets[i] ) ) { - return true; - } - } - }); - }, - - closest: function( selectors, context ) { - var cur, - i = 0, - l = this.length, - matched = [], - pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? - jQuery( selectors, context || this.context ) : - 0; - - for ( ; i < l; i++ ) { - for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { - // Always skip document fragments - if ( cur.nodeType < 11 && (pos ? - pos.index(cur) > -1 : - - // Don't pass non-elements to Sizzle - cur.nodeType === 1 && - jQuery.find.matchesSelector(cur, selectors)) ) { - - matched.push( cur ); - break; - } - } - } - - return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); - }, - - // Determine the position of an element within the set - index: function( elem ) { - - // No argument, return index in parent - if ( !elem ) { - return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; - } - - // Index in selector - if ( typeof elem === "string" ) { - return indexOf.call( jQuery( elem ), this[ 0 ] ); - } - - // Locate the position of the desired element - return indexOf.call( this, - - // If it receives a jQuery object, the first element is used - elem.jquery ? elem[ 0 ] : elem - ); - }, - - add: function( selector, context ) { - return this.pushStack( - jQuery.unique( - jQuery.merge( this.get(), jQuery( selector, context ) ) - ) - ); - }, - - addBack: function( selector ) { - return this.add( selector == null ? - this.prevObject : this.prevObject.filter(selector) - ); - } -}); - -function sibling( cur, dir ) { - while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {} - return cur; -} - -jQuery.each({ - parent: function( elem ) { - var parent = elem.parentNode; - return parent && parent.nodeType !== 11 ? parent : null; - }, - parents: function( elem ) { - return jQuery.dir( elem, "parentNode" ); - }, - parentsUntil: function( elem, i, until ) { - return jQuery.dir( elem, "parentNode", until ); - }, - next: function( elem ) { - return sibling( elem, "nextSibling" ); - }, - prev: function( elem ) { - return sibling( elem, "previousSibling" ); - }, - nextAll: function( elem ) { - return jQuery.dir( elem, "nextSibling" ); - }, - prevAll: function( elem ) { - return jQuery.dir( elem, "previousSibling" ); - }, - nextUntil: function( elem, i, until ) { - return jQuery.dir( elem, "nextSibling", until ); - }, - prevUntil: function( elem, i, until ) { - return jQuery.dir( elem, "previousSibling", until ); - }, - siblings: function( elem ) { - return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem ); - }, - children: function( elem ) { - return jQuery.sibling( elem.firstChild ); - }, - contents: function( elem ) { - return elem.contentDocument || jQuery.merge( [], elem.childNodes ); - } -}, function( name, fn ) { - jQuery.fn[ name ] = function( until, selector ) { - var matched = jQuery.map( this, fn, until ); - - if ( name.slice( -5 ) !== "Until" ) { - selector = until; - } - - if ( selector && typeof selector === "string" ) { - matched = jQuery.filter( selector, matched ); - } - - if ( this.length > 1 ) { - // Remove duplicates - if ( !guaranteedUnique[ name ] ) { - jQuery.unique( matched ); - } - - // Reverse order for parents* and prev-derivatives - if ( rparentsprev.test( name ) ) { - matched.reverse(); - } - } - - return this.pushStack( matched ); - }; -}); -var rnotwhite = (/\S+/g); - - - -// String to Object options format cache -var optionsCache = {}; - -// Convert String-formatted options into Object-formatted ones and store in cache -function createOptions( options ) { - var object = optionsCache[ options ] = {}; - jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { - object[ flag ] = true; - }); - return object; -} - -/* - * Create a callback list using the following parameters: - * - * options: an optional list of space-separated options that will change how - * the callback list behaves or a more traditional option object - * - * By default a callback list will act like an event callback list and can be - * "fired" multiple times. - * - * Possible options: - * - * once: will ensure the callback list can only be fired once (like a Deferred) - * - * memory: will keep track of previous values and will call any callback added - * after the list has been fired right away with the latest "memorized" - * values (like a Deferred) - * - * unique: will ensure a callback can only be added once (no duplicate in the list) - * - * stopOnFalse: interrupt callings when a callback returns false - * - */ -jQuery.Callbacks = function( options ) { - - // Convert options from String-formatted to Object-formatted if needed - // (we check in cache first) - options = typeof options === "string" ? - ( optionsCache[ options ] || createOptions( options ) ) : - jQuery.extend( {}, options ); - - var // Last fire value (for non-forgettable lists) - memory, - // Flag to know if list was already fired - fired, - // Flag to know if list is currently firing - firing, - // First callback to fire (used internally by add and fireWith) - firingStart, - // End of the loop when firing - firingLength, - // Index of currently firing callback (modified by remove if needed) - firingIndex, - // Actual callback list - list = [], - // Stack of fire calls for repeatable lists - stack = !options.once && [], - // Fire callbacks - fire = function( data ) { - memory = options.memory && data; - fired = true; - firingIndex = firingStart || 0; - firingStart = 0; - firingLength = list.length; - firing = true; - for ( ; list && firingIndex < firingLength; firingIndex++ ) { - if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { - memory = false; // To prevent further calls using add - break; - } - } - firing = false; - if ( list ) { - if ( stack ) { - if ( stack.length ) { - fire( stack.shift() ); - } - } else if ( memory ) { - list = []; - } else { - self.disable(); - } - } - }, - // Actual Callbacks object - self = { - // Add a callback or a collection of callbacks to the list - add: function() { - if ( list ) { - // First, we save the current length - var start = list.length; - (function add( args ) { - jQuery.each( args, function( _, arg ) { - var type = jQuery.type( arg ); - if ( type === "function" ) { - if ( !options.unique || !self.has( arg ) ) { - list.push( arg ); - } - } else if ( arg && arg.length && type !== "string" ) { - // Inspect recursively - add( arg ); - } - }); - })( arguments ); - // Do we need to add the callbacks to the - // current firing batch? - if ( firing ) { - firingLength = list.length; - // With memory, if we're not firing then - // we should call right away - } else if ( memory ) { - firingStart = start; - fire( memory ); - } - } - return this; - }, - // Remove a callback from the list - remove: function() { - if ( list ) { - jQuery.each( arguments, function( _, arg ) { - var index; - while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { - list.splice( index, 1 ); - // Handle firing indexes - if ( firing ) { - if ( index <= firingLength ) { - firingLength--; - } - if ( index <= firingIndex ) { - firingIndex--; - } - } - } - }); - } - return this; - }, - // Check if a given callback is in the list. - // If no argument is given, return whether or not list has callbacks attached. - has: function( fn ) { - return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); - }, - // Remove all callbacks from the list - empty: function() { - list = []; - firingLength = 0; - return this; - }, - // Have the list do nothing anymore - disable: function() { - list = stack = memory = undefined; - return this; - }, - // Is it disabled? - disabled: function() { - return !list; - }, - // Lock the list in its current state - lock: function() { - stack = undefined; - if ( !memory ) { - self.disable(); - } - return this; - }, - // Is it locked? - locked: function() { - return !stack; - }, - // Call all callbacks with the given context and arguments - fireWith: function( context, args ) { - if ( list && ( !fired || stack ) ) { - args = args || []; - args = [ context, args.slice ? args.slice() : args ]; - if ( firing ) { - stack.push( args ); - } else { - fire( args ); - } - } - return this; - }, - // Call all the callbacks with the given arguments - fire: function() { - self.fireWith( this, arguments ); - return this; - }, - // To know if the callbacks have already been called at least once - fired: function() { - return !!fired; - } - }; - - return self; -}; - - -jQuery.extend({ - - Deferred: function( func ) { - var tuples = [ - // action, add listener, listener list, final state - [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], - [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], - [ "notify", "progress", jQuery.Callbacks("memory") ] - ], - state = "pending", - promise = { - state: function() { - return state; - }, - always: function() { - deferred.done( arguments ).fail( arguments ); - return this; - }, - then: function( /* fnDone, fnFail, fnProgress */ ) { - var fns = arguments; - return jQuery.Deferred(function( newDefer ) { - jQuery.each( tuples, function( i, tuple ) { - var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; - // deferred[ done | fail | progress ] for forwarding actions to newDefer - deferred[ tuple[1] ](function() { - var returned = fn && fn.apply( this, arguments ); - if ( returned && jQuery.isFunction( returned.promise ) ) { - returned.promise() - .done( newDefer.resolve ) - .fail( newDefer.reject ) - .progress( newDefer.notify ); - } else { - newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); - } - }); - }); - fns = null; - }).promise(); - }, - // Get a promise for this deferred - // If obj is provided, the promise aspect is added to the object - promise: function( obj ) { - return obj != null ? jQuery.extend( obj, promise ) : promise; - } - }, - deferred = {}; - - // Keep pipe for back-compat - promise.pipe = promise.then; - - // Add list-specific methods - jQuery.each( tuples, function( i, tuple ) { - var list = tuple[ 2 ], - stateString = tuple[ 3 ]; - - // promise[ done | fail | progress ] = list.add - promise[ tuple[1] ] = list.add; - - // Handle state - if ( stateString ) { - list.add(function() { - // state = [ resolved | rejected ] - state = stateString; - - // [ reject_list | resolve_list ].disable; progress_list.lock - }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); - } - - // deferred[ resolve | reject | notify ] - deferred[ tuple[0] ] = function() { - deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); - return this; - }; - deferred[ tuple[0] + "With" ] = list.fireWith; - }); - - // Make the deferred a promise - promise.promise( deferred ); - - // Call given func if any - if ( func ) { - func.call( deferred, deferred ); - } - - // All done! - return deferred; - }, - - // Deferred helper - when: function( subordinate /* , ..., subordinateN */ ) { - var i = 0, - resolveValues = slice.call( arguments ), - length = resolveValues.length, - - // the count of uncompleted subordinates - remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, - - // the master Deferred. If resolveValues consist of only a single Deferred, just use that. - deferred = remaining === 1 ? subordinate : jQuery.Deferred(), - - // Update function for both resolve and progress values - updateFunc = function( i, contexts, values ) { - return function( value ) { - contexts[ i ] = this; - values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; - if ( values === progressValues ) { - deferred.notifyWith( contexts, values ); - } else if ( !( --remaining ) ) { - deferred.resolveWith( contexts, values ); - } - }; - }, - - progressValues, progressContexts, resolveContexts; - - // Add listeners to Deferred subordinates; treat others as resolved - if ( length > 1 ) { - progressValues = new Array( length ); - progressContexts = new Array( length ); - resolveContexts = new Array( length ); - for ( ; i < length; i++ ) { - if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { - resolveValues[ i ].promise() - .done( updateFunc( i, resolveContexts, resolveValues ) ) - .fail( deferred.reject ) - .progress( updateFunc( i, progressContexts, progressValues ) ); - } else { - --remaining; - } - } - } - - // If we're not waiting on anything, resolve the master - if ( !remaining ) { - deferred.resolveWith( resolveContexts, resolveValues ); - } - - return deferred.promise(); - } -}); - - -// The deferred used on DOM ready -var readyList; - -jQuery.fn.ready = function( fn ) { - // Add the callback - jQuery.ready.promise().done( fn ); - - return this; -}; - -jQuery.extend({ - // Is the DOM ready to be used? Set to true once it occurs. - isReady: false, - - // A counter to track how many items to wait for before - // the ready event fires. See #6781 - readyWait: 1, - - // Hold (or release) the ready event - holdReady: function( hold ) { - if ( hold ) { - jQuery.readyWait++; - } else { - jQuery.ready( true ); - } - }, - - // Handle when the DOM is ready - ready: function( wait ) { - - // Abort if there are pending holds or we're already ready - if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { - return; - } - - // Remember that the DOM is ready - jQuery.isReady = true; - - // If a normal DOM Ready event fired, decrement, and wait if need be - if ( wait !== true && --jQuery.readyWait > 0 ) { - return; - } - - // If there are functions bound, to execute - readyList.resolveWith( document, [ jQuery ] ); - - // Trigger any bound ready events - if ( jQuery.fn.triggerHandler ) { - jQuery( document ).triggerHandler( "ready" ); - jQuery( document ).off( "ready" ); - } - } -}); - -/** - * The ready event handler and self cleanup method - */ -function completed() { - document.removeEventListener( "DOMContentLoaded", completed, false ); - window.removeEventListener( "load", completed, false ); - jQuery.ready(); -} - -jQuery.ready.promise = function( obj ) { - if ( !readyList ) { - - readyList = jQuery.Deferred(); - - // Catch cases where $(document).ready() is called after the browser event has already occurred. - // We once tried to use readyState "interactive" here, but it caused issues like the one - // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 - if ( document.readyState === "complete" ) { - // Handle it asynchronously to allow scripts the opportunity to delay ready - setTimeout( jQuery.ready ); - - } else { - - // Use the handy event callback - document.addEventListener( "DOMContentLoaded", completed, false ); - - // A fallback to window.onload, that will always work - window.addEventListener( "load", completed, false ); - } - } - return readyList.promise( obj ); -}; - -// Kick off the DOM ready check even if the user does not -jQuery.ready.promise(); - - - - -// Multifunctional method to get and set values of a collection -// The value/s can optionally be executed if it's a function -var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) { - var i = 0, - len = elems.length, - bulk = key == null; - - // Sets many values - if ( jQuery.type( key ) === "object" ) { - chainable = true; - for ( i in key ) { - jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); - } - - // Sets one value - } else if ( value !== undefined ) { - chainable = true; - - if ( !jQuery.isFunction( value ) ) { - raw = true; - } - - if ( bulk ) { - // Bulk operations run against the entire set - if ( raw ) { - fn.call( elems, value ); - fn = null; - - // ...except when executing function values - } else { - bulk = fn; - fn = function( elem, key, value ) { - return bulk.call( jQuery( elem ), value ); - }; - } - } - - if ( fn ) { - for ( ; i < len; i++ ) { - fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); - } - } - } - - return chainable ? - elems : - - // Gets - bulk ? - fn.call( elems ) : - len ? fn( elems[0], key ) : emptyGet; -}; - - -/** - * Determines whether an object can have data - */ -jQuery.acceptData = function( owner ) { - // Accepts only: - // - Node - // - Node.ELEMENT_NODE - // - Node.DOCUMENT_NODE - // - Object - // - Any - /* jshint -W018 */ - return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); -}; - - -function Data() { - // Support: Android<4, - // Old WebKit does not have Object.preventExtensions/freeze method, - // return new empty object instead with no [[set]] accessor - Object.defineProperty( this.cache = {}, 0, { - get: function() { - return {}; - } - }); - - this.expando = jQuery.expando + Data.uid++; -} - -Data.uid = 1; -Data.accepts = jQuery.acceptData; - -Data.prototype = { - key: function( owner ) { - // We can accept data for non-element nodes in modern browsers, - // but we should not, see #8335. - // Always return the key for a frozen object. - if ( !Data.accepts( owner ) ) { - return 0; - } - - var descriptor = {}, - // Check if the owner object already has a cache key - unlock = owner[ this.expando ]; - - // If not, create one - if ( !unlock ) { - unlock = Data.uid++; - - // Secure it in a non-enumerable, non-writable property - try { - descriptor[ this.expando ] = { value: unlock }; - Object.defineProperties( owner, descriptor ); - - // Support: Android<4 - // Fallback to a less secure definition - } catch ( e ) { - descriptor[ this.expando ] = unlock; - jQuery.extend( owner, descriptor ); - } - } - - // Ensure the cache object - if ( !this.cache[ unlock ] ) { - this.cache[ unlock ] = {}; - } - - return unlock; - }, - set: function( owner, data, value ) { - var prop, - // There may be an unlock assigned to this node, - // if there is no entry for this "owner", create one inline - // and set the unlock as though an owner entry had always existed - unlock = this.key( owner ), - cache = this.cache[ unlock ]; - - // Handle: [ owner, key, value ] args - if ( typeof data === "string" ) { - cache[ data ] = value; - - // Handle: [ owner, { properties } ] args - } else { - // Fresh assignments by object are shallow copied - if ( jQuery.isEmptyObject( cache ) ) { - jQuery.extend( this.cache[ unlock ], data ); - // Otherwise, copy the properties one-by-one to the cache object - } else { - for ( prop in data ) { - cache[ prop ] = data[ prop ]; - } - } - } - return cache; - }, - get: function( owner, key ) { - // Either a valid cache is found, or will be created. - // New caches will be created and the unlock returned, - // allowing direct access to the newly created - // empty data object. A valid owner object must be provided. - var cache = this.cache[ this.key( owner ) ]; - - return key === undefined ? - cache : cache[ key ]; - }, - access: function( owner, key, value ) { - var stored; - // In cases where either: - // - // 1. No key was specified - // 2. A string key was specified, but no value provided - // - // Take the "read" path and allow the get method to determine - // which value to return, respectively either: - // - // 1. The entire cache object - // 2. The data stored at the key - // - if ( key === undefined || - ((key && typeof key === "string") && value === undefined) ) { - - stored = this.get( owner, key ); - - return stored !== undefined ? - stored : this.get( owner, jQuery.camelCase(key) ); - } - - // [*]When the key is not a string, or both a key and value - // are specified, set or extend (existing objects) with either: - // - // 1. An object of properties - // 2. A key and value - // - this.set( owner, key, value ); - - // Since the "set" path can have two possible entry points - // return the expected data based on which path was taken[*] - return value !== undefined ? value : key; - }, - remove: function( owner, key ) { - var i, name, camel, - unlock = this.key( owner ), - cache = this.cache[ unlock ]; - - if ( key === undefined ) { - this.cache[ unlock ] = {}; - - } else { - // Support array or space separated string of keys - if ( jQuery.isArray( key ) ) { - // If "name" is an array of keys... - // When data is initially created, via ("key", "val") signature, - // keys will be converted to camelCase. - // Since there is no way to tell _how_ a key was added, remove - // both plain key and camelCase key. #12786 - // This will only penalize the array argument path. - name = key.concat( key.map( jQuery.camelCase ) ); - } else { - camel = jQuery.camelCase( key ); - // Try the string as a key before any manipulation - if ( key in cache ) { - name = [ key, camel ]; - } else { - // If a key with the spaces exists, use it. - // Otherwise, create an array by matching non-whitespace - name = camel; - name = name in cache ? - [ name ] : ( name.match( rnotwhite ) || [] ); - } - } - - i = name.length; - while ( i-- ) { - delete cache[ name[ i ] ]; - } - } - }, - hasData: function( owner ) { - return !jQuery.isEmptyObject( - this.cache[ owner[ this.expando ] ] || {} - ); - }, - discard: function( owner ) { - if ( owner[ this.expando ] ) { - delete this.cache[ owner[ this.expando ] ]; - } - } -}; -var data_priv = new Data(); - -var data_user = new Data(); - - - -// Implementation Summary -// -// 1. Enforce API surface and semantic compatibility with 1.9.x branch -// 2. Improve the module's maintainability by reducing the storage -// paths to a single mechanism. -// 3. Use the same single mechanism to support "private" and "user" data. -// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) -// 5. Avoid exposing implementation details on user objects (eg. expando properties) -// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 - -var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, - rmultiDash = /([A-Z])/g; - -function dataAttr( elem, key, data ) { - var name; - - // If nothing was found internally, try to fetch any - // data from the HTML5 data-* attribute - if ( data === undefined && elem.nodeType === 1 ) { - name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); - data = elem.getAttribute( name ); - - if ( typeof data === "string" ) { - try { - data = data === "true" ? true : - data === "false" ? false : - data === "null" ? null : - // Only convert to a number if it doesn't change the string - +data + "" === data ? +data : - rbrace.test( data ) ? jQuery.parseJSON( data ) : - data; - } catch( e ) {} - - // Make sure we set the data so it isn't changed later - data_user.set( elem, key, data ); - } else { - data = undefined; - } - } - return data; -} - -jQuery.extend({ - hasData: function( elem ) { - return data_user.hasData( elem ) || data_priv.hasData( elem ); - }, - - data: function( elem, name, data ) { - return data_user.access( elem, name, data ); - }, - - removeData: function( elem, name ) { - data_user.remove( elem, name ); - }, - - // TODO: Now that all calls to _data and _removeData have been replaced - // with direct calls to data_priv methods, these can be deprecated. - _data: function( elem, name, data ) { - return data_priv.access( elem, name, data ); - }, - - _removeData: function( elem, name ) { - data_priv.remove( elem, name ); - } -}); - -jQuery.fn.extend({ - data: function( key, value ) { - var i, name, data, - elem = this[ 0 ], - attrs = elem && elem.attributes; - - // Gets all values - if ( key === undefined ) { - if ( this.length ) { - data = data_user.get( elem ); - - if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) { - i = attrs.length; - while ( i-- ) { - - // Support: IE11+ - // The attrs elements can be null (#14894) - if ( attrs[ i ] ) { - name = attrs[ i ].name; - if ( name.indexOf( "data-" ) === 0 ) { - name = jQuery.camelCase( name.slice(5) ); - dataAttr( elem, name, data[ name ] ); - } - } - } - data_priv.set( elem, "hasDataAttrs", true ); - } - } - - return data; - } - - // Sets multiple values - if ( typeof key === "object" ) { - return this.each(function() { - data_user.set( this, key ); - }); - } - - return access( this, function( value ) { - var data, - camelKey = jQuery.camelCase( key ); - - // The calling jQuery object (element matches) is not empty - // (and therefore has an element appears at this[ 0 ]) and the - // `value` parameter was not undefined. An empty jQuery object - // will result in `undefined` for elem = this[ 0 ] which will - // throw an exception if an attempt to read a data cache is made. - if ( elem && value === undefined ) { - // Attempt to get data from the cache - // with the key as-is - data = data_user.get( elem, key ); - if ( data !== undefined ) { - return data; - } - - // Attempt to get data from the cache - // with the key camelized - data = data_user.get( elem, camelKey ); - if ( data !== undefined ) { - return data; - } - - // Attempt to "discover" the data in - // HTML5 custom data-* attrs - data = dataAttr( elem, camelKey, undefined ); - if ( data !== undefined ) { - return data; - } - - // We tried really hard, but the data doesn't exist. - return; - } - - // Set the data... - this.each(function() { - // First, attempt to store a copy or reference of any - // data that might've been store with a camelCased key. - var data = data_user.get( this, camelKey ); - - // For HTML5 data-* attribute interop, we have to - // store property names with dashes in a camelCase form. - // This might not apply to all properties...* - data_user.set( this, camelKey, value ); - - // *... In the case of properties that might _actually_ - // have dashes, we need to also store a copy of that - // unchanged property. - if ( key.indexOf("-") !== -1 && data !== undefined ) { - data_user.set( this, key, value ); - } - }); - }, null, value, arguments.length > 1, null, true ); - }, - - removeData: function( key ) { - return this.each(function() { - data_user.remove( this, key ); - }); - } -}); - - -jQuery.extend({ - queue: function( elem, type, data ) { - var queue; - - if ( elem ) { - type = ( type || "fx" ) + "queue"; - queue = data_priv.get( elem, type ); - - // Speed up dequeue by getting out quickly if this is just a lookup - if ( data ) { - if ( !queue || jQuery.isArray( data ) ) { - queue = data_priv.access( elem, type, jQuery.makeArray(data) ); - } else { - queue.push( data ); - } - } - return queue || []; - } - }, - - dequeue: function( elem, type ) { - type = type || "fx"; - - var queue = jQuery.queue( elem, type ), - startLength = queue.length, - fn = queue.shift(), - hooks = jQuery._queueHooks( elem, type ), - next = function() { - jQuery.dequeue( elem, type ); - }; - - // If the fx queue is dequeued, always remove the progress sentinel - if ( fn === "inprogress" ) { - fn = queue.shift(); - startLength--; - } - - if ( fn ) { - - // Add a progress sentinel to prevent the fx queue from being - // automatically dequeued - if ( type === "fx" ) { - queue.unshift( "inprogress" ); - } - - // Clear up the last queue stop function - delete hooks.stop; - fn.call( elem, next, hooks ); - } - - if ( !startLength && hooks ) { - hooks.empty.fire(); - } - }, - - // Not public - generate a queueHooks object, or return the current one - _queueHooks: function( elem, type ) { - var key = type + "queueHooks"; - return data_priv.get( elem, key ) || data_priv.access( elem, key, { - empty: jQuery.Callbacks("once memory").add(function() { - data_priv.remove( elem, [ type + "queue", key ] ); - }) - }); - } -}); - -jQuery.fn.extend({ - queue: function( type, data ) { - var setter = 2; - - if ( typeof type !== "string" ) { - data = type; - type = "fx"; - setter--; - } - - if ( arguments.length < setter ) { - return jQuery.queue( this[0], type ); - } - - return data === undefined ? - this : - this.each(function() { - var queue = jQuery.queue( this, type, data ); - - // Ensure a hooks for this queue - jQuery._queueHooks( this, type ); - - if ( type === "fx" && queue[0] !== "inprogress" ) { - jQuery.dequeue( this, type ); - } - }); - }, - dequeue: function( type ) { - return this.each(function() { - jQuery.dequeue( this, type ); - }); - }, - clearQueue: function( type ) { - return this.queue( type || "fx", [] ); - }, - // Get a promise resolved when queues of a certain type - // are emptied (fx is the type by default) - promise: function( type, obj ) { - var tmp, - count = 1, - defer = jQuery.Deferred(), - elements = this, - i = this.length, - resolve = function() { - if ( !( --count ) ) { - defer.resolveWith( elements, [ elements ] ); - } - }; - - if ( typeof type !== "string" ) { - obj = type; - type = undefined; - } - type = type || "fx"; - - while ( i-- ) { - tmp = data_priv.get( elements[ i ], type + "queueHooks" ); - if ( tmp && tmp.empty ) { - count++; - tmp.empty.add( resolve ); - } - } - resolve(); - return defer.promise( obj ); - } -}); -var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source; - -var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; - -var isHidden = function( elem, el ) { - // isHidden might be called from jQuery#filter function; - // in that case, element will be second argument - elem = el || elem; - return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); - }; - -var rcheckableType = (/^(?:checkbox|radio)$/i); - - - -(function() { - var fragment = document.createDocumentFragment(), - div = fragment.appendChild( document.createElement( "div" ) ), - input = document.createElement( "input" ); - - // Support: Safari<=5.1 - // Check state lost if the name is set (#11217) - // Support: Windows Web Apps (WWA) - // `name` and `type` must use .setAttribute for WWA (#14901) - input.setAttribute( "type", "radio" ); - input.setAttribute( "checked", "checked" ); - input.setAttribute( "name", "t" ); - - div.appendChild( input ); - - // Support: Safari<=5.1, Android<4.2 - // Older WebKit doesn't clone checked state correctly in fragments - support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; - - // Support: IE<=11+ - // Make sure textarea (and checkbox) defaultValue is properly cloned - div.innerHTML = ""; - support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; -})(); -var strundefined = typeof undefined; - - - -support.focusinBubbles = "onfocusin" in window; - - -var - rkeyEvent = /^key/, - rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/, - rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, - rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; - -function returnTrue() { - return true; -} - -function returnFalse() { - return false; -} - -function safeActiveElement() { - try { - return document.activeElement; - } catch ( err ) { } -} - -/* - * Helper functions for managing events -- not part of the public interface. - * Props to Dean Edwards' addEvent library for many of the ideas. - */ -jQuery.event = { - - global: {}, - - add: function( elem, types, handler, data, selector ) { - - var handleObjIn, eventHandle, tmp, - events, t, handleObj, - special, handlers, type, namespaces, origType, - elemData = data_priv.get( elem ); - - // Don't attach events to noData or text/comment nodes (but allow plain objects) - if ( !elemData ) { - return; - } - - // Caller can pass in an object of custom data in lieu of the handler - if ( handler.handler ) { - handleObjIn = handler; - handler = handleObjIn.handler; - selector = handleObjIn.selector; - } - - // Make sure that the handler has a unique ID, used to find/remove it later - if ( !handler.guid ) { - handler.guid = jQuery.guid++; - } - - // Init the element's event structure and main handler, if this is the first - if ( !(events = elemData.events) ) { - events = elemData.events = {}; - } - if ( !(eventHandle = elemData.handle) ) { - eventHandle = elemData.handle = function( e ) { - // Discard the second event of a jQuery.event.trigger() and - // when an event is called after a page has unloaded - return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ? - jQuery.event.dispatch.apply( elem, arguments ) : undefined; - }; - } - - // Handle multiple events separated by a space - types = ( types || "" ).match( rnotwhite ) || [ "" ]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); - - // There *must* be a type, no attaching namespace-only handlers - if ( !type ) { - continue; - } - - // If event changes its type, use the special event handlers for the changed type - special = jQuery.event.special[ type ] || {}; - - // If selector defined, determine special event api type, otherwise given type - type = ( selector ? special.delegateType : special.bindType ) || type; - - // Update special based on newly reset type - special = jQuery.event.special[ type ] || {}; - - // handleObj is passed to all event handlers - handleObj = jQuery.extend({ - type: type, - origType: origType, - data: data, - handler: handler, - guid: handler.guid, - selector: selector, - needsContext: selector && jQuery.expr.match.needsContext.test( selector ), - namespace: namespaces.join(".") - }, handleObjIn ); - - // Init the event handler queue if we're the first - if ( !(handlers = events[ type ]) ) { - handlers = events[ type ] = []; - handlers.delegateCount = 0; - - // Only use addEventListener if the special events handler returns false - if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { - if ( elem.addEventListener ) { - elem.addEventListener( type, eventHandle, false ); - } - } - } - - if ( special.add ) { - special.add.call( elem, handleObj ); - - if ( !handleObj.handler.guid ) { - handleObj.handler.guid = handler.guid; - } - } - - // Add to the element's handler list, delegates in front - if ( selector ) { - handlers.splice( handlers.delegateCount++, 0, handleObj ); - } else { - handlers.push( handleObj ); - } - - // Keep track of which events have ever been used, for event optimization - jQuery.event.global[ type ] = true; - } - - }, - - // Detach an event or set of events from an element - remove: function( elem, types, handler, selector, mappedTypes ) { - - var j, origCount, tmp, - events, t, handleObj, - special, handlers, type, namespaces, origType, - elemData = data_priv.hasData( elem ) && data_priv.get( elem ); - - if ( !elemData || !(events = elemData.events) ) { - return; - } - - // Once for each type.namespace in types; type may be omitted - types = ( types || "" ).match( rnotwhite ) || [ "" ]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); - - // Unbind all events (on this namespace, if provided) for the element - if ( !type ) { - for ( type in events ) { - jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); - } - continue; - } - - special = jQuery.event.special[ type ] || {}; - type = ( selector ? special.delegateType : special.bindType ) || type; - handlers = events[ type ] || []; - tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ); - - // Remove matching events - origCount = j = handlers.length; - while ( j-- ) { - handleObj = handlers[ j ]; - - if ( ( mappedTypes || origType === handleObj.origType ) && - ( !handler || handler.guid === handleObj.guid ) && - ( !tmp || tmp.test( handleObj.namespace ) ) && - ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { - handlers.splice( j, 1 ); - - if ( handleObj.selector ) { - handlers.delegateCount--; - } - if ( special.remove ) { - special.remove.call( elem, handleObj ); - } - } - } - - // Remove generic event handler if we removed something and no more handlers exist - // (avoids potential for endless recursion during removal of special event handlers) - if ( origCount && !handlers.length ) { - if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { - jQuery.removeEvent( elem, type, elemData.handle ); - } - - delete events[ type ]; - } - } - - // Remove the expando if it's no longer used - if ( jQuery.isEmptyObject( events ) ) { - delete elemData.handle; - data_priv.remove( elem, "events" ); - } - }, - - trigger: function( event, data, elem, onlyHandlers ) { - - var i, cur, tmp, bubbleType, ontype, handle, special, - eventPath = [ elem || document ], - type = hasOwn.call( event, "type" ) ? event.type : event, - namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : []; - - cur = tmp = elem = elem || document; - - // Don't do events on text and comment nodes - if ( elem.nodeType === 3 || elem.nodeType === 8 ) { - return; - } - - // focus/blur morphs to focusin/out; ensure we're not firing them right now - if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { - return; - } - - if ( type.indexOf(".") >= 0 ) { - // Namespaced trigger; create a regexp to match event type in handle() - namespaces = type.split("."); - type = namespaces.shift(); - namespaces.sort(); - } - ontype = type.indexOf(":") < 0 && "on" + type; - - // Caller can pass in a jQuery.Event object, Object, or just an event type string - event = event[ jQuery.expando ] ? - event : - new jQuery.Event( type, typeof event === "object" && event ); - - // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) - event.isTrigger = onlyHandlers ? 2 : 3; - event.namespace = namespaces.join("."); - event.namespace_re = event.namespace ? - new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : - null; - - // Clean up the event in case it is being reused - event.result = undefined; - if ( !event.target ) { - event.target = elem; - } - - // Clone any incoming data and prepend the event, creating the handler arg list - data = data == null ? - [ event ] : - jQuery.makeArray( data, [ event ] ); - - // Allow special events to draw outside the lines - special = jQuery.event.special[ type ] || {}; - if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { - return; - } - - // Determine event propagation path in advance, per W3C events spec (#9951) - // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) - if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) { - - bubbleType = special.delegateType || type; - if ( !rfocusMorph.test( bubbleType + type ) ) { - cur = cur.parentNode; - } - for ( ; cur; cur = cur.parentNode ) { - eventPath.push( cur ); - tmp = cur; - } - - // Only add window if we got to document (e.g., not plain obj or detached DOM) - if ( tmp === (elem.ownerDocument || document) ) { - eventPath.push( tmp.defaultView || tmp.parentWindow || window ); - } - } - - // Fire handlers on the event path - i = 0; - while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) { - - event.type = i > 1 ? - bubbleType : - special.bindType || type; - - // jQuery handler - handle = ( data_priv.get( cur, "events" ) || {} )[ event.type ] && data_priv.get( cur, "handle" ); - if ( handle ) { - handle.apply( cur, data ); - } - - // Native handler - handle = ontype && cur[ ontype ]; - if ( handle && handle.apply && jQuery.acceptData( cur ) ) { - event.result = handle.apply( cur, data ); - if ( event.result === false ) { - event.preventDefault(); - } - } - } - event.type = type; - - // If nobody prevented the default action, do it now - if ( !onlyHandlers && !event.isDefaultPrevented() ) { - - if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && - jQuery.acceptData( elem ) ) { - - // Call a native DOM method on the target with the same name name as the event. - // Don't do default actions on window, that's where global variables be (#6170) - if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) { - - // Don't re-trigger an onFOO event when we call its FOO() method - tmp = elem[ ontype ]; - - if ( tmp ) { - elem[ ontype ] = null; - } - - // Prevent re-triggering of the same event, since we already bubbled it above - jQuery.event.triggered = type; - elem[ type ](); - jQuery.event.triggered = undefined; - - if ( tmp ) { - elem[ ontype ] = tmp; - } - } - } - } - - return event.result; - }, - - dispatch: function( event ) { - - // Make a writable jQuery.Event from the native event object - event = jQuery.event.fix( event ); - - var i, j, ret, matched, handleObj, - handlerQueue = [], - args = slice.call( arguments ), - handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [], - special = jQuery.event.special[ event.type ] || {}; - - // Use the fix-ed jQuery.Event rather than the (read-only) native event - args[0] = event; - event.delegateTarget = this; - - // Call the preDispatch hook for the mapped type, and let it bail if desired - if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { - return; - } - - // Determine handlers - handlerQueue = jQuery.event.handlers.call( this, event, handlers ); - - // Run delegates first; they may want to stop propagation beneath us - i = 0; - while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { - event.currentTarget = matched.elem; - - j = 0; - while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) { - - // Triggered event must either 1) have no namespace, or 2) have namespace(s) - // a subset or equal to those in the bound event (both can have no namespace). - if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) { - - event.handleObj = handleObj; - event.data = handleObj.data; - - ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) - .apply( matched.elem, args ); - - if ( ret !== undefined ) { - if ( (event.result = ret) === false ) { - event.preventDefault(); - event.stopPropagation(); - } - } - } - } - } - - // Call the postDispatch hook for the mapped type - if ( special.postDispatch ) { - special.postDispatch.call( this, event ); - } - - return event.result; - }, - - handlers: function( event, handlers ) { - var i, matches, sel, handleObj, - handlerQueue = [], - delegateCount = handlers.delegateCount, - cur = event.target; - - // Find delegate handlers - // Black-hole SVG instance trees (#13180) - // Avoid non-left-click bubbling in Firefox (#3861) - if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) { - - for ( ; cur !== this; cur = cur.parentNode || this ) { - - // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) - if ( cur.disabled !== true || event.type !== "click" ) { - matches = []; - for ( i = 0; i < delegateCount; i++ ) { - handleObj = handlers[ i ]; - - // Don't conflict with Object.prototype properties (#13203) - sel = handleObj.selector + " "; - - if ( matches[ sel ] === undefined ) { - matches[ sel ] = handleObj.needsContext ? - jQuery( sel, this ).index( cur ) >= 0 : - jQuery.find( sel, this, null, [ cur ] ).length; - } - if ( matches[ sel ] ) { - matches.push( handleObj ); - } - } - if ( matches.length ) { - handlerQueue.push({ elem: cur, handlers: matches }); - } - } - } - } - - // Add the remaining (directly-bound) handlers - if ( delegateCount < handlers.length ) { - handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); - } - - return handlerQueue; - }, - - // Includes some event props shared by KeyEvent and MouseEvent - props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), - - fixHooks: {}, - - keyHooks: { - props: "char charCode key keyCode".split(" "), - filter: function( event, original ) { - - // Add which for key events - if ( event.which == null ) { - event.which = original.charCode != null ? original.charCode : original.keyCode; - } - - return event; - } - }, - - mouseHooks: { - props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "), - filter: function( event, original ) { - var eventDoc, doc, body, - button = original.button; - - // Calculate pageX/Y if missing and clientX/Y available - if ( event.pageX == null && original.clientX != null ) { - eventDoc = event.target.ownerDocument || document; - doc = eventDoc.documentElement; - body = eventDoc.body; - - event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); - event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); - } - - // Add which for click: 1 === left; 2 === middle; 3 === right - // Note: button is not normalized, so don't use it - if ( !event.which && button !== undefined ) { - event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); - } - - return event; - } - }, - - fix: function( event ) { - if ( event[ jQuery.expando ] ) { - return event; - } - - // Create a writable copy of the event object and normalize some properties - var i, prop, copy, - type = event.type, - originalEvent = event, - fixHook = this.fixHooks[ type ]; - - if ( !fixHook ) { - this.fixHooks[ type ] = fixHook = - rmouseEvent.test( type ) ? this.mouseHooks : - rkeyEvent.test( type ) ? this.keyHooks : - {}; - } - copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; - - event = new jQuery.Event( originalEvent ); - - i = copy.length; - while ( i-- ) { - prop = copy[ i ]; - event[ prop ] = originalEvent[ prop ]; - } - - // Support: Cordova 2.5 (WebKit) (#13255) - // All events should have a target; Cordova deviceready doesn't - if ( !event.target ) { - event.target = document; - } - - // Support: Safari 6.0+, Chrome<28 - // Target should not be a text node (#504, #13143) - if ( event.target.nodeType === 3 ) { - event.target = event.target.parentNode; - } - - return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; - }, - - special: { - load: { - // Prevent triggered image.load events from bubbling to window.load - noBubble: true - }, - focus: { - // Fire native event if possible so blur/focus sequence is correct - trigger: function() { - if ( this !== safeActiveElement() && this.focus ) { - this.focus(); - return false; - } - }, - delegateType: "focusin" - }, - blur: { - trigger: function() { - if ( this === safeActiveElement() && this.blur ) { - this.blur(); - return false; - } - }, - delegateType: "focusout" - }, - click: { - // For checkbox, fire native event so checked state will be right - trigger: function() { - if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) { - this.click(); - return false; - } - }, - - // For cross-browser consistency, don't fire native .click() on links - _default: function( event ) { - return jQuery.nodeName( event.target, "a" ); - } - }, - - beforeunload: { - postDispatch: function( event ) { - - // Support: Firefox 20+ - // Firefox doesn't alert if the returnValue field is not set. - if ( event.result !== undefined && event.originalEvent ) { - event.originalEvent.returnValue = event.result; - } - } - } - }, - - simulate: function( type, elem, event, bubble ) { - // Piggyback on a donor event to simulate a different one. - // Fake originalEvent to avoid donor's stopPropagation, but if the - // simulated event prevents default then we do the same on the donor. - var e = jQuery.extend( - new jQuery.Event(), - event, - { - type: type, - isSimulated: true, - originalEvent: {} - } - ); - if ( bubble ) { - jQuery.event.trigger( e, null, elem ); - } else { - jQuery.event.dispatch.call( elem, e ); - } - if ( e.isDefaultPrevented() ) { - event.preventDefault(); - } - } -}; - -jQuery.removeEvent = function( elem, type, handle ) { - if ( elem.removeEventListener ) { - elem.removeEventListener( type, handle, false ); - } -}; - -jQuery.Event = function( src, props ) { - // Allow instantiation without the 'new' keyword - if ( !(this instanceof jQuery.Event) ) { - return new jQuery.Event( src, props ); - } - - // Event object - if ( src && src.type ) { - this.originalEvent = src; - this.type = src.type; - - // Events bubbling up the document may have been marked as prevented - // by a handler lower down the tree; reflect the correct value. - this.isDefaultPrevented = src.defaultPrevented || - src.defaultPrevented === undefined && - // Support: Android<4.0 - src.returnValue === false ? - returnTrue : - returnFalse; - - // Event type - } else { - this.type = src; - } - - // Put explicitly provided properties onto the event object - if ( props ) { - jQuery.extend( this, props ); - } - - // Create a timestamp if incoming event doesn't have one - this.timeStamp = src && src.timeStamp || jQuery.now(); - - // Mark it as fixed - this[ jQuery.expando ] = true; -}; - -// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding -// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html -jQuery.Event.prototype = { - isDefaultPrevented: returnFalse, - isPropagationStopped: returnFalse, - isImmediatePropagationStopped: returnFalse, - - preventDefault: function() { - var e = this.originalEvent; - - this.isDefaultPrevented = returnTrue; - - if ( e && e.preventDefault ) { - e.preventDefault(); - } - }, - stopPropagation: function() { - var e = this.originalEvent; - - this.isPropagationStopped = returnTrue; - - if ( e && e.stopPropagation ) { - e.stopPropagation(); - } - }, - stopImmediatePropagation: function() { - var e = this.originalEvent; - - this.isImmediatePropagationStopped = returnTrue; - - if ( e && e.stopImmediatePropagation ) { - e.stopImmediatePropagation(); - } - - this.stopPropagation(); - } -}; - -// Create mouseenter/leave events using mouseover/out and event-time checks -// Support: Chrome 15+ -jQuery.each({ - mouseenter: "mouseover", - mouseleave: "mouseout", - pointerenter: "pointerover", - pointerleave: "pointerout" -}, function( orig, fix ) { - jQuery.event.special[ orig ] = { - delegateType: fix, - bindType: fix, - - handle: function( event ) { - var ret, - target = this, - related = event.relatedTarget, - handleObj = event.handleObj; - - // For mousenter/leave call the handler if related is outside the target. - // NB: No relatedTarget if the mouse left/entered the browser window - if ( !related || (related !== target && !jQuery.contains( target, related )) ) { - event.type = handleObj.origType; - ret = handleObj.handler.apply( this, arguments ); - event.type = fix; - } - return ret; - } - }; -}); - -// Support: Firefox, Chrome, Safari -// Create "bubbling" focus and blur events -if ( !support.focusinBubbles ) { - jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { - - // Attach a single capturing handler on the document while someone wants focusin/focusout - var handler = function( event ) { - jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); - }; - - jQuery.event.special[ fix ] = { - setup: function() { - var doc = this.ownerDocument || this, - attaches = data_priv.access( doc, fix ); - - if ( !attaches ) { - doc.addEventListener( orig, handler, true ); - } - data_priv.access( doc, fix, ( attaches || 0 ) + 1 ); - }, - teardown: function() { - var doc = this.ownerDocument || this, - attaches = data_priv.access( doc, fix ) - 1; - - if ( !attaches ) { - doc.removeEventListener( orig, handler, true ); - data_priv.remove( doc, fix ); - - } else { - data_priv.access( doc, fix, attaches ); - } - } - }; - }); -} - -jQuery.fn.extend({ - - on: function( types, selector, data, fn, /*INTERNAL*/ one ) { - var origFn, type; - - // Types can be a map of types/handlers - if ( typeof types === "object" ) { - // ( types-Object, selector, data ) - if ( typeof selector !== "string" ) { - // ( types-Object, data ) - data = data || selector; - selector = undefined; - } - for ( type in types ) { - this.on( type, selector, data, types[ type ], one ); - } - return this; - } - - if ( data == null && fn == null ) { - // ( types, fn ) - fn = selector; - data = selector = undefined; - } else if ( fn == null ) { - if ( typeof selector === "string" ) { - // ( types, selector, fn ) - fn = data; - data = undefined; - } else { - // ( types, data, fn ) - fn = data; - data = selector; - selector = undefined; - } - } - if ( fn === false ) { - fn = returnFalse; - } else if ( !fn ) { - return this; - } - - if ( one === 1 ) { - origFn = fn; - fn = function( event ) { - // Can use an empty set, since event contains the info - jQuery().off( event ); - return origFn.apply( this, arguments ); - }; - // Use same guid so caller can remove using origFn - fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); - } - return this.each( function() { - jQuery.event.add( this, types, fn, data, selector ); - }); - }, - one: function( types, selector, data, fn ) { - return this.on( types, selector, data, fn, 1 ); - }, - off: function( types, selector, fn ) { - var handleObj, type; - if ( types && types.preventDefault && types.handleObj ) { - // ( event ) dispatched jQuery.Event - handleObj = types.handleObj; - jQuery( types.delegateTarget ).off( - handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, - handleObj.selector, - handleObj.handler - ); - return this; - } - if ( typeof types === "object" ) { - // ( types-object [, selector] ) - for ( type in types ) { - this.off( type, selector, types[ type ] ); - } - return this; - } - if ( selector === false || typeof selector === "function" ) { - // ( types [, fn] ) - fn = selector; - selector = undefined; - } - if ( fn === false ) { - fn = returnFalse; - } - return this.each(function() { - jQuery.event.remove( this, types, fn, selector ); - }); - }, - - trigger: function( type, data ) { - return this.each(function() { - jQuery.event.trigger( type, data, this ); - }); - }, - triggerHandler: function( type, data ) { - var elem = this[0]; - if ( elem ) { - return jQuery.event.trigger( type, data, elem, true ); - } - } -}); - - -var - rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, - rtagName = /<([\w:]+)/, - rhtml = /<|&#?\w+;/, - rnoInnerhtml = /<(?:script|style|link)/i, - // checked="checked" or checked - rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, - rscriptType = /^$|\/(?:java|ecma)script/i, - rscriptTypeMasked = /^true\/(.*)/, - rcleanScript = /^\s*\s*$/g, - - // We have to close these tags to support XHTML (#13200) - wrapMap = { - - // Support: IE9 - option: [ 1, "" ], - - thead: [ 1, "", "
" ], - col: [ 2, "", "
" ], - tr: [ 2, "", "
" ], - td: [ 3, "", "
" ], - - _default: [ 0, "", "" ] - }; - -// Support: IE9 -wrapMap.optgroup = wrapMap.option; - -wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; -wrapMap.th = wrapMap.td; - -// Support: 1.x compatibility -// Manipulating tables requires a tbody -function manipulationTarget( elem, content ) { - return jQuery.nodeName( elem, "table" ) && - jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ? - - elem.getElementsByTagName("tbody")[0] || - elem.appendChild( elem.ownerDocument.createElement("tbody") ) : - elem; -} - -// Replace/restore the type attribute of script elements for safe DOM manipulation -function disableScript( elem ) { - elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type; - return elem; -} -function restoreScript( elem ) { - var match = rscriptTypeMasked.exec( elem.type ); - - if ( match ) { - elem.type = match[ 1 ]; - } else { - elem.removeAttribute("type"); - } - - return elem; -} - -// Mark scripts as having already been evaluated -function setGlobalEval( elems, refElements ) { - var i = 0, - l = elems.length; - - for ( ; i < l; i++ ) { - data_priv.set( - elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" ) - ); - } -} - -function cloneCopyEvent( src, dest ) { - var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events; - - if ( dest.nodeType !== 1 ) { - return; - } - - // 1. Copy private data: events, handlers, etc. - if ( data_priv.hasData( src ) ) { - pdataOld = data_priv.access( src ); - pdataCur = data_priv.set( dest, pdataOld ); - events = pdataOld.events; - - if ( events ) { - delete pdataCur.handle; - pdataCur.events = {}; - - for ( type in events ) { - for ( i = 0, l = events[ type ].length; i < l; i++ ) { - jQuery.event.add( dest, type, events[ type ][ i ] ); - } - } - } - } - - // 2. Copy user data - if ( data_user.hasData( src ) ) { - udataOld = data_user.access( src ); - udataCur = jQuery.extend( {}, udataOld ); - - data_user.set( dest, udataCur ); - } -} - -function getAll( context, tag ) { - var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) : - context.querySelectorAll ? context.querySelectorAll( tag || "*" ) : - []; - - return tag === undefined || tag && jQuery.nodeName( context, tag ) ? - jQuery.merge( [ context ], ret ) : - ret; -} - -// Fix IE bugs, see support tests -function fixInput( src, dest ) { - var nodeName = dest.nodeName.toLowerCase(); - - // Fails to persist the checked state of a cloned checkbox or radio button. - if ( nodeName === "input" && rcheckableType.test( src.type ) ) { - dest.checked = src.checked; - - // Fails to return the selected option to the default selected state when cloning options - } else if ( nodeName === "input" || nodeName === "textarea" ) { - dest.defaultValue = src.defaultValue; - } -} - -jQuery.extend({ - clone: function( elem, dataAndEvents, deepDataAndEvents ) { - var i, l, srcElements, destElements, - clone = elem.cloneNode( true ), - inPage = jQuery.contains( elem.ownerDocument, elem ); - - // Fix IE cloning issues - if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && - !jQuery.isXMLDoc( elem ) ) { - - // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 - destElements = getAll( clone ); - srcElements = getAll( elem ); - - for ( i = 0, l = srcElements.length; i < l; i++ ) { - fixInput( srcElements[ i ], destElements[ i ] ); - } - } - - // Copy the events from the original to the clone - if ( dataAndEvents ) { - if ( deepDataAndEvents ) { - srcElements = srcElements || getAll( elem ); - destElements = destElements || getAll( clone ); - - for ( i = 0, l = srcElements.length; i < l; i++ ) { - cloneCopyEvent( srcElements[ i ], destElements[ i ] ); - } - } else { - cloneCopyEvent( elem, clone ); - } - } - - // Preserve script evaluation history - destElements = getAll( clone, "script" ); - if ( destElements.length > 0 ) { - setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); - } - - // Return the cloned set - return clone; - }, - - buildFragment: function( elems, context, scripts, selection ) { - var elem, tmp, tag, wrap, contains, j, - fragment = context.createDocumentFragment(), - nodes = [], - i = 0, - l = elems.length; - - for ( ; i < l; i++ ) { - elem = elems[ i ]; - - if ( elem || elem === 0 ) { - - // Add nodes directly - if ( jQuery.type( elem ) === "object" ) { - // Support: QtWebKit, PhantomJS - // push.apply(_, arraylike) throws on ancient WebKit - jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); - - // Convert non-html into a text node - } else if ( !rhtml.test( elem ) ) { - nodes.push( context.createTextNode( elem ) ); - - // Convert html into DOM nodes - } else { - tmp = tmp || fragment.appendChild( context.createElement("div") ); - - // Deserialize a standard representation - tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); - wrap = wrapMap[ tag ] || wrapMap._default; - tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1>" ) + wrap[ 2 ]; - - // Descend through wrappers to the right content - j = wrap[ 0 ]; - while ( j-- ) { - tmp = tmp.lastChild; - } - - // Support: QtWebKit, PhantomJS - // push.apply(_, arraylike) throws on ancient WebKit - jQuery.merge( nodes, tmp.childNodes ); - - // Remember the top-level container - tmp = fragment.firstChild; - - // Ensure the created nodes are orphaned (#12392) - tmp.textContent = ""; - } - } - } - - // Remove wrapper from fragment - fragment.textContent = ""; - - i = 0; - while ( (elem = nodes[ i++ ]) ) { - - // #4087 - If origin and destination elements are the same, and this is - // that element, do not do anything - if ( selection && jQuery.inArray( elem, selection ) !== -1 ) { - continue; - } - - contains = jQuery.contains( elem.ownerDocument, elem ); - - // Append to fragment - tmp = getAll( fragment.appendChild( elem ), "script" ); - - // Preserve script evaluation history - if ( contains ) { - setGlobalEval( tmp ); - } - - // Capture executables - if ( scripts ) { - j = 0; - while ( (elem = tmp[ j++ ]) ) { - if ( rscriptType.test( elem.type || "" ) ) { - scripts.push( elem ); - } - } - } - } - - return fragment; - }, - - cleanData: function( elems ) { - var data, elem, type, key, - special = jQuery.event.special, - i = 0; - - for ( ; (elem = elems[ i ]) !== undefined; i++ ) { - if ( jQuery.acceptData( elem ) ) { - key = elem[ data_priv.expando ]; - - if ( key && (data = data_priv.cache[ key ]) ) { - if ( data.events ) { - for ( type in data.events ) { - if ( special[ type ] ) { - jQuery.event.remove( elem, type ); - - // This is a shortcut to avoid jQuery.event.remove's overhead - } else { - jQuery.removeEvent( elem, type, data.handle ); - } - } - } - if ( data_priv.cache[ key ] ) { - // Discard any remaining `private` data - delete data_priv.cache[ key ]; - } - } - } - // Discard any remaining `user` data - delete data_user.cache[ elem[ data_user.expando ] ]; - } - } -}); - -jQuery.fn.extend({ - text: function( value ) { - return access( this, function( value ) { - return value === undefined ? - jQuery.text( this ) : - this.empty().each(function() { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - this.textContent = value; - } - }); - }, null, value, arguments.length ); - }, - - append: function() { - return this.domManip( arguments, function( elem ) { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - var target = manipulationTarget( this, elem ); - target.appendChild( elem ); - } - }); - }, - - prepend: function() { - return this.domManip( arguments, function( elem ) { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - var target = manipulationTarget( this, elem ); - target.insertBefore( elem, target.firstChild ); - } - }); - }, - - before: function() { - return this.domManip( arguments, function( elem ) { - if ( this.parentNode ) { - this.parentNode.insertBefore( elem, this ); - } - }); - }, - - after: function() { - return this.domManip( arguments, function( elem ) { - if ( this.parentNode ) { - this.parentNode.insertBefore( elem, this.nextSibling ); - } - }); - }, - - remove: function( selector, keepData /* Internal Use Only */ ) { - var elem, - elems = selector ? jQuery.filter( selector, this ) : this, - i = 0; - - for ( ; (elem = elems[i]) != null; i++ ) { - if ( !keepData && elem.nodeType === 1 ) { - jQuery.cleanData( getAll( elem ) ); - } - - if ( elem.parentNode ) { - if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { - setGlobalEval( getAll( elem, "script" ) ); - } - elem.parentNode.removeChild( elem ); - } - } - - return this; - }, - - empty: function() { - var elem, - i = 0; - - for ( ; (elem = this[i]) != null; i++ ) { - if ( elem.nodeType === 1 ) { - - // Prevent memory leaks - jQuery.cleanData( getAll( elem, false ) ); - - // Remove any remaining nodes - elem.textContent = ""; - } - } - - return this; - }, - - clone: function( dataAndEvents, deepDataAndEvents ) { - dataAndEvents = dataAndEvents == null ? false : dataAndEvents; - deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; - - return this.map(function() { - return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); - }); - }, - - html: function( value ) { - return access( this, function( value ) { - var elem = this[ 0 ] || {}, - i = 0, - l = this.length; - - if ( value === undefined && elem.nodeType === 1 ) { - return elem.innerHTML; - } - - // See if we can take a shortcut and just use innerHTML - if ( typeof value === "string" && !rnoInnerhtml.test( value ) && - !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { - - value = value.replace( rxhtmlTag, "<$1>" ); - - try { - for ( ; i < l; i++ ) { - elem = this[ i ] || {}; - - // Remove element nodes and prevent memory leaks - if ( elem.nodeType === 1 ) { - jQuery.cleanData( getAll( elem, false ) ); - elem.innerHTML = value; - } - } - - elem = 0; - - // If using innerHTML throws an exception, use the fallback method - } catch( e ) {} - } - - if ( elem ) { - this.empty().append( value ); - } - }, null, value, arguments.length ); - }, - - replaceWith: function() { - var arg = arguments[ 0 ]; - - // Make the changes, replacing each context element with the new content - this.domManip( arguments, function( elem ) { - arg = this.parentNode; - - jQuery.cleanData( getAll( this ) ); - - if ( arg ) { - arg.replaceChild( elem, this ); - } - }); - - // Force removal if there was no new content (e.g., from empty arguments) - return arg && (arg.length || arg.nodeType) ? this : this.remove(); - }, - - detach: function( selector ) { - return this.remove( selector, true ); - }, - - domManip: function( args, callback ) { - - // Flatten any nested arrays - args = concat.apply( [], args ); - - var fragment, first, scripts, hasScripts, node, doc, - i = 0, - l = this.length, - set = this, - iNoClone = l - 1, - value = args[ 0 ], - isFunction = jQuery.isFunction( value ); - - // We can't cloneNode fragments that contain checked, in WebKit - if ( isFunction || - ( l > 1 && typeof value === "string" && - !support.checkClone && rchecked.test( value ) ) ) { - return this.each(function( index ) { - var self = set.eq( index ); - if ( isFunction ) { - args[ 0 ] = value.call( this, index, self.html() ); - } - self.domManip( args, callback ); - }); - } - - if ( l ) { - fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); - first = fragment.firstChild; - - if ( fragment.childNodes.length === 1 ) { - fragment = first; - } - - if ( first ) { - scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); - hasScripts = scripts.length; - - // Use the original fragment for the last item instead of the first because it can end up - // being emptied incorrectly in certain situations (#8070). - for ( ; i < l; i++ ) { - node = fragment; - - if ( i !== iNoClone ) { - node = jQuery.clone( node, true, true ); - - // Keep references to cloned scripts for later restoration - if ( hasScripts ) { - // Support: QtWebKit - // jQuery.merge because push.apply(_, arraylike) throws - jQuery.merge( scripts, getAll( node, "script" ) ); - } - } - - callback.call( this[ i ], node, i ); - } - - if ( hasScripts ) { - doc = scripts[ scripts.length - 1 ].ownerDocument; - - // Reenable scripts - jQuery.map( scripts, restoreScript ); - - // Evaluate executable scripts on first document insertion - for ( i = 0; i < hasScripts; i++ ) { - node = scripts[ i ]; - if ( rscriptType.test( node.type || "" ) && - !data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { - - if ( node.src ) { - // Optional AJAX dependency, but won't run scripts if not present - if ( jQuery._evalUrl ) { - jQuery._evalUrl( node.src ); - } - } else { - jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) ); - } - } - } - } - } - } - - return this; - } -}); - -jQuery.each({ - appendTo: "append", - prependTo: "prepend", - insertBefore: "before", - insertAfter: "after", - replaceAll: "replaceWith" -}, function( name, original ) { - jQuery.fn[ name ] = function( selector ) { - var elems, - ret = [], - insert = jQuery( selector ), - last = insert.length - 1, - i = 0; - - for ( ; i <= last; i++ ) { - elems = i === last ? this : this.clone( true ); - jQuery( insert[ i ] )[ original ]( elems ); - - // Support: QtWebKit - // .get() because push.apply(_, arraylike) throws - push.apply( ret, elems.get() ); - } - - return this.pushStack( ret ); - }; -}); - - -var iframe, - elemdisplay = {}; - -/** - * Retrieve the actual display of a element - * @param {String} name nodeName of the element - * @param {Object} doc Document object - */ -// Called only from within defaultDisplay -function actualDisplay( name, doc ) { - var style, - elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ), - - // getDefaultComputedStyle might be reliably used only on attached element - display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ? - - // Use of this method is a temporary fix (more like optimization) until something better comes along, - // since it was removed from specification and supported only in FF - style.display : jQuery.css( elem[ 0 ], "display" ); - - // We don't have any data stored on the element, - // so use "detach" method as fast way to get rid of the element - elem.detach(); - - return display; -} - -/** - * Try to determine the default display value of an element - * @param {String} nodeName - */ -function defaultDisplay( nodeName ) { - var doc = document, - display = elemdisplay[ nodeName ]; - - if ( !display ) { - display = actualDisplay( nodeName, doc ); - - // If the simple way fails, read from inside an iframe - if ( display === "none" || !display ) { - - // Use the already-created iframe if possible - iframe = (iframe || jQuery( "