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-rw-r--r--tools/gr-usrptest/python/CMakeLists.txt10
-rw-r--r--tools/gr-usrptest/python/flowgraphs/CMakeLists.txt28
-rw-r--r--tools/gr-usrptest/python/flowgraphs/__init__.py14
-rw-r--r--tools/gr-usrptest/python/flowgraphs/phasealignment_fg.py119
-rw-r--r--tools/gr-usrptest/python/flowgraphs/selftest_fg.py122
-rw-r--r--tools/gr-usrptest/python/functions.py133
-rw-r--r--tools/gr-usrptest/python/phase_calc_ccf.py47
-rwxr-xr-xtools/gr-usrptest/python/qa_measurement_sink_f.py41
-rw-r--r--tools/gr-usrptest/python/rts_tests/CMakeLists.txt27
-rw-r--r--tools/gr-usrptest/python/rts_tests/__init__.py14
-rw-r--r--tools/gr-usrptest/python/rts_tests/test_phasealignment.py121
11 files changed, 674 insertions, 2 deletions
diff --git a/tools/gr-usrptest/python/CMakeLists.txt b/tools/gr-usrptest/python/CMakeLists.txt
index 4afda600e..ba3d12394 100644
--- a/tools/gr-usrptest/python/CMakeLists.txt
+++ b/tools/gr-usrptest/python/CMakeLists.txt
@@ -31,15 +31,21 @@ endif()
GR_PYTHON_INSTALL(
FILES
__init__.py
- parsers.py
- selftest_fg.py
+ functions.py
phase_calc_ccf.py DESTINATION ${GR_PYTHON_DIR}/usrptest
)
+add_subdirectory(flowgraphs)
+add_subdirectory(labview_control)
+add_subdirectory(rts_tests)
+
########################################################################
# Handle the unit tests
########################################################################
include(GrTest)
+GR_ADD_TEST(qa_phasealignment ${PYTHON_EXECUTABLE}
+ ${CMAKE_CURRENT_SOURCE_DIR}/qa_phasealignment.py)
set(GR_TEST_TARGET_DEPS gnuradio-usrptest)
set(GR_TEST_PYTHON_DIRS ${CMAKE_BINARY_DIR}/swig)
+GR_ADD_TEST(qa_measurement_sink_f ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_measurement_sink_f.py)
diff --git a/tools/gr-usrptest/python/flowgraphs/CMakeLists.txt b/tools/gr-usrptest/python/flowgraphs/CMakeLists.txt
new file mode 100644
index 000000000..7ea94b505
--- /dev/null
+++ b/tools/gr-usrptest/python/flowgraphs/CMakeLists.txt
@@ -0,0 +1,28 @@
+# Copyright 2011 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+########################################################################
+# Install python sources
+########################################################################
+GR_PYTHON_INSTALL(
+ FILES
+ __init__.py
+ selftest_fg.py
+ phasealignment_fg.py DESTINATION ${GR_PYTHON_DIR}/usrptest/flowgraphs
+)
diff --git a/tools/gr-usrptest/python/flowgraphs/__init__.py b/tools/gr-usrptest/python/flowgraphs/__init__.py
new file mode 100644
index 000000000..048e5638a
--- /dev/null
+++ b/tools/gr-usrptest/python/flowgraphs/__init__.py
@@ -0,0 +1,14 @@
+"""
+usrptest.flowgraphs
+======================================
+
+Contents
+--------
+
+Subpackages
+-----------
+::
+
+The existance of the file turns the folder into a Python module.
+
+"""
diff --git a/tools/gr-usrptest/python/flowgraphs/phasealignment_fg.py b/tools/gr-usrptest/python/flowgraphs/phasealignment_fg.py
new file mode 100644
index 000000000..f120e2421
--- /dev/null
+++ b/tools/gr-usrptest/python/flowgraphs/phasealignment_fg.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python2
+
+from gnuradio import gr
+from gnuradio import uhd
+from gnuradio import analog
+from usrptest import phase_calc_ccf, measurement_sink_f
+from usrptest.functions import log_level
+from random import uniform
+from ast import literal_eval
+import copy
+import logging
+import sys
+
+
+class phasealignment_fg(gr.top_block):
+ def __init__(self, uhd_app):
+ gr.top_block.__init__(self, "Calculate dphi for all USRPs (Rx only)")
+ ##############################
+ # Block dicts
+ ##############################
+ self.log = logging.getLogger(__name__)
+ [self.log.removeHandler(h) for h in self.log.handlers]
+ self.log.addHandler(logging.StreamHandler(sys.stdout))
+ self.log.setLevel(log_level(uhd_app.args.log_level))
+ self.rx_streams = list()
+ self.phase_diff_calc = list()
+ self.measurement_sink = list()
+ self.uhd_app = copy.copy(uhd_app)
+ self.tx_app = copy.copy(uhd_app)
+ self.samp_rate = uhd_app.args.samp_rate
+ # Create all devices specified in --receiver
+ # Create all remaining blocks and connect devices to the first port and
+ # sink
+ self.uhd_app.args.num_chan = len(self.uhd_app.args.channels)
+ self.log.info('setting up usrp....')
+ ##############################
+ # Setup RX
+ ##############################
+ self.log.debug("RX-Setup with args: {}".format(self.uhd_app.args))
+ self.uhd_app.setup_usrp(uhd.usrp_source, self.uhd_app.args)
+ if self.uhd_app.args.measurement_setup is not None:
+ self.measurement_channels = self.uhd_app.args.measurement_setup.strip(
+ ).split(',')
+ # make sure every channels is listed in measurement_channels at least once
+ if len(set(
+ self.measurement_channels)) != self.uhd_apps.args.num_chan:
+ self.uhd_app.vprint(
+ "[{prefix}] Number of measurement channels has to be the number of used channels."
+ )
+ self.uhd_app.exit(1)
+ self.measurement_channels = [self.uhd_app.args.channels.index(m) for m in self.measurement_channels]
+ else:
+ self.measurement_channels = range(self.uhd_app.args.num_chan)
+
+ self.measurement_channels_names = list()
+ for chan in self.measurement_channels:
+ usrp_info = self.uhd_app.usrp.get_usrp_info(chan)
+ self.measurement_channels_names.append("_".join(
+ [usrp_info['mboard_serial'], usrp_info['rx_serial']]))
+
+ #Connect channels to first port of d_phi_calc_block and to measurement_sink
+ for num, chan in enumerate(self.measurement_channels[:-1]):
+ self.phase_diff_calc.append(phase_calc_ccf())
+ self.measurement_sink.append(
+ measurement_sink_f(
+ int(self.uhd_app.args.samp_rate *
+ self.uhd_app.args.duration), self.uhd_app.args.runs))
+ self.connect((self.uhd_app.usrp, chan),
+ (self.phase_diff_calc[num], 0))
+ self.connect((self.phase_diff_calc[num], 0),
+ (self.measurement_sink[num], 0))
+ # Connect devices to second port of d_phi_block
+ for num, chan in enumerate(self.measurement_channels[1:]):
+ self.connect((self.uhd_app.usrp, chan),
+ (self.phase_diff_calc[num], 1))
+ ##############################
+ # Setup TX
+ ##############################
+ if self.uhd_app.args.tx_channels is not None:
+ self.tx_app.args.antenna = self.tx_app.args.tx_antenna
+ self.tx_app.args.channels = [
+ int(chan.strip())
+ for chan in self.tx_app.args.tx_channels.split(',')
+ ]
+ self.tx_app.usrp = None
+ self.log.debug("TX-Setup with args: {}".format(self.tx_app.args))
+ self.tx_app.setup_usrp(uhd.usrp_sink, self.tx_app.args)
+ self.siggen = analog.sig_source_c(self.samp_rate,
+ analog.GR_COS_WAVE,
+ self.tx_app.args.tx_offset, 1.0)
+ for chan in range(len(self.tx_app.channels)):
+ self.connect((self.siggen, 0), (self.tx_app.usrp, chan))
+
+
+ def get_samp_rate(self):
+ return self.samp_rate
+
+ def set_samp_rate(self, samp_rate):
+ self.samp_rate = samp_rate
+
+ def retune_frequency(self, band_num=1, bands=1):
+ ref_chan = self.uhd_app.channels[0]
+ freq_range = literal_eval(
+ self.uhd_app.usrp.get_freq_range(ref_chan).__str__(
+ )) # returns tuple with (start_freq, end_freq, step)
+
+ if bands > 1:
+ bw = (freq_range[1] - freq_range[0])/bands
+ freq_range = list(freq_range)
+ freq_range[0] = freq_range[0] + ((band_num-1) % bands)*bw
+ freq_range[1] = freq_range[0] + bw
+
+ retune_freq = uniform(freq_range[0], freq_range[1])
+ self.log.info('tune all channels to: {:f} MHz'.format(retune_freq /
+ 1e6))
+ self.uhd_app.set_freq(retune_freq)
+ self.log.info('tune all channels to: {:f} MHz'.format(
+ self.uhd_app.args.freq / 1e6))
+ self.uhd_app.set_freq(self.uhd_app.args.freq)
diff --git a/tools/gr-usrptest/python/flowgraphs/selftest_fg.py b/tools/gr-usrptest/python/flowgraphs/selftest_fg.py
new file mode 100644
index 000000000..cdfc35e74
--- /dev/null
+++ b/tools/gr-usrptest/python/flowgraphs/selftest_fg.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python
+
+from gnuradio import blocks
+from gnuradio import gr
+from gnuradio import uhd
+from usrptest import phase_calc_ccf
+from gnuradio.uhd.uhd_app import UHDApp
+import numpy as np
+
+class selftest_fg(gr.top_block):
+
+ def __init__(self, freq, samp_rate, dphase, devices=list()):
+ gr.top_block.__init__(self, "Generate Signal extract phase")
+
+ ##################################################
+ # Variables
+ ##################################################
+ self.samp_rate = samp_rate
+ self.freq = 10e3
+ self.devices = devices
+ self.dphase = dphase
+ self.tx_gain = 50
+ self.rx_gain = 50
+ self.center_freq = freq
+ self.omega = 2*np.pi*self.freq
+ self.steps = np.arange(
+ self.samp_rate)*float(self.omega)/float(self.samp_rate)
+ self.reference = self.complex_sine(self.steps)
+ self.test_signal = self.complex_sine(self.steps+0.5*np.pi)
+ self.device_test = False
+
+ ##################################################
+ # Block dicts
+ ##################################################
+ self.rx_devices = dict()
+ self.tx_devices = dict()
+ self.sink_dict = dict()
+ self.phase_dict = dict()
+ self.reference_source = blocks.vector_source_c(self.reference)
+
+ if len(self.devices):
+ ##################################################
+ # Devices
+ ##################################################
+ self.device_test = True
+ #To reuse existing setup_usrp() command
+ for device in self.devices:
+ # Create and configure all devices
+ self.rx_devices[device] = uhd.usrp_source(
+ device, uhd.stream_args(
+ cpu_format="fc32", channel=range(1)))
+ self.tx_devices[device] = uhd.usrp_sink(
+ device, uhd.stream_args(
+ cpu_format="fc32", channel=range(1)))
+ self.rx_devices[device].set_samp_rate(self.samp_rate)
+ self.rx_devices[device].set_center_freq(self.center_freq, 0)
+ self.rx_devices[device].set_gain(self.rx_gain, 0)
+ self.tx_devices[device].set_samp_rate(self.samp_rate)
+ self.tx_devices[device].set_center_freq(self.center_freq, 0)
+ self.tx_devices[device].set_gain(self.tx_gain, 0)
+ self.sink_dict[device] = blocks.vector_sink_f()
+ self.phase_dict[device] = phase_calc_ccf(
+ self.samp_rate, self.freq)
+ for device in self.tx_devices.values():
+ self.connect((self.reference_source, 0), (device, 0))
+
+ for device_key in self.rx_devices.keys():
+ self.connect(
+ (self.rx_devices[device_key], 0), (self.phase_dict[device_key], 0))
+ self.connect((self.reference_source, 0),
+ (self.phase_dict[device_key], 1))
+ self.connect(
+ (self.phase_dict[device_key], 0), (self.sink_dict[device_key], 0))
+ # Debug options
+ # self.sink_list.append(blocks.vector_sink_c())
+ #self.connect((device, 0), (self.sink_list[-1], 0))
+ # self.sink_list.append(blocks.vector_sink_c())
+ #self.connect((self.reference_source, 0), (self.sink_list[-1], 0))
+ else:
+ ##################################################
+ # Blocks
+ ##################################################
+ self.result = blocks.vector_sink_f(1)
+ self.test_source = blocks.vector_source_c(self.test_signal)
+ self.block_phase_calc = phase_calc_ccf(
+ self.samp_rate, self.freq)
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.reference_source, 0), (self.block_phase_calc, 1))
+ self.connect((self.test_source, 0), (self.block_phase_calc, 0))
+ self.connect((self.block_phase_calc, 0), (self.result, 0))
+ def complex_sine(self, steps):
+ return np.exp(1j*steps)
+
+ def get_samp_rate(self):
+ return self.samp_rate
+
+ def set_samp_rate(self, samp_rate):
+ self.samp_rate = samp_rate
+
+ def run(self):
+ self.start()
+ self.wait()
+ if self.device_test:
+ data = dict()
+ for device_key in self.sink_dict.keys():
+ curr_data = self.sink_dict[device_key].data()
+ curr_data = curr_data[int(0.2*self.samp_rate):-int(0.2*self.samp_rate)]
+ phase_avg = np.average(curr_data)
+ if (np.max(curr_data) < phase_avg+self.dphase*0.5) and (np.min(curr_data) > phase_avg-self.dphase*0.5):
+ data[device_key] = phase_avg
+ else:
+ print("Error phase not settled")
+
+ #Debug
+ # plt.ylim(-1, 1)
+ # plt.xlim(self.samp_rate/2.), (self.samp_rate/2.)+1000)
+ #for key in data:
+ # plt.plot(data[key])
+ return data
diff --git a/tools/gr-usrptest/python/functions.py b/tools/gr-usrptest/python/functions.py
new file mode 100644
index 000000000..e3f7958b1
--- /dev/null
+++ b/tools/gr-usrptest/python/functions.py
@@ -0,0 +1,133 @@
+#!/usr/bin/env python2
+import numpy as np
+import time
+import copy
+import logging
+
+
+def setup_phase_alignment_parser(parser):
+ test_group = parser.add_argument_group(
+ 'Phase alignment specific arguments')
+ test_group.add_argument(
+ '--runs',
+ default=10,
+ type=int,
+ help='Number of times to retune and measure d_phi')
+ test_group.add_argument(
+ '--duration',
+ default=5.0,
+ type=float,
+ help='Duration of a measurement run')
+ test_group.add_argument(
+ '--measurement-setup',
+ type=str,
+ help='Comma-seperated list of channel ids. Phase difference will be calculated between consecutive channels. default=(0,1,2,..,M-1) M: num_chan'
+ )
+ test_group.add_argument(
+ '--log-level',
+ type=str,
+ choices=["critical", "error", "warning", "info", "debug"],
+ default="info")
+ test_group.add_argument(
+ '--freq-bands',
+ type=int,
+ help="Number of frequency bands in daughterboard range to randomly retune to",
+ default=1)
+ return parser
+
+
+def setup_tx_phase_alignment_parser(parser):
+ tx_group = parser.add_argument_group(
+ 'TX Phase alignment specific arguments.')
+ tx_group.add_argument(
+ '--tx-channels', type=str, help='which channels to use')
+ tx_group.add_argument(
+ '--tx-antenna',
+ type=str,
+ help='comma-separated list of channel antennas for tx')
+ tx_group.add_argument(
+ '--tx-offset',
+ type=float,
+ help='frequency offset in Hz which should be added to center frequency for transmission'
+ )
+ return parser
+
+
+def setup_rts_phase_alignment_parser(parser):
+ rts_group = parser.add_argument_group('RTS Phase alignment specific arguments')
+ rts_group.add_argument(
+ '-pd', '--phasedev',
+ type=float,
+ default=1.0,
+ help='maximum phase standard deviation of dphi in a run which is considered settled (in deg)')
+ rts_group.add_argument(
+ '-dp',
+ '--dphi',
+ type=float,
+ default=2.0,
+ help='maximum allowed d_phase deviation between runs (in deg)')
+ return parser
+
+def setup_manual_phase_alignment_parser(parser):
+ manual_group = parser.add_argument_group(
+ 'Manual Phase alignment specific arguments')
+ manual_group.add_argument(
+ '--plot',
+ dest='plot',
+ action='store_true',
+ help='Set this argument to enable plotting results with matplotlib'
+ )
+ manual_group.add_argument(
+ '--auto',
+ action='store_true',
+ help='Set this argument to enable automatic selection of test frequencies'
+ )
+ manual_group.add_argument(
+ '--start-freq',
+ type=float,
+ default=0.0,
+ help='Start frequency for automatic selection'
+ ),
+ manual_group.add_argument(
+ '--stop-freq',
+ type=float,
+ default=0.0,
+ help='Stop frequency for automatic selection')
+
+ parser.set_defaults(plot=False,auto=False)
+ return parser
+
+
+def process_measurement_sinks(top_block):
+ data = list()
+ curr_data = dict()
+ for num, chan in enumerate(top_block.measurement_channels[:-1]):
+ curr_data['avg'] = list(top_block.measurement_sink[num].get_avg())
+ curr_data['stddev'] = list(top_block.measurement_sink[num].get_stddev(
+ ))
+ curr_data['first'] = top_block.measurement_channels_names[num]
+ curr_data['second'] = top_block.measurement_channels_names[num + 1]
+ data.append(copy.copy(curr_data))
+ return data
+
+
+def run_test(top_block, ntimes):
+ results = dict()
+ num_sinks = len(top_block.measurement_sink)
+ for i in xrange(ntimes):
+ #tune frequency to random position and back to specified frequency
+ top_block.retune_frequency(bands=top_block.uhd_app.args.freq_bands,band_num=i+1)
+ time.sleep(2)
+ #trigger start in all measurement_sinks
+ for sink in top_block.measurement_sink:
+ sink.start_run()
+ #wait until every measurement_sink is ready with the current run
+ while (sum([ms.get_run() for ms in top_block.measurement_sink]) < (
+ (i + 1) * num_sinks)):
+ time.sleep(1)
+ results = process_measurement_sinks(top_block)
+ return results
+
+
+def log_level(string):
+ return getattr(logging, string.upper())
diff --git a/tools/gr-usrptest/python/phase_calc_ccf.py b/tools/gr-usrptest/python/phase_calc_ccf.py
new file mode 100644
index 000000000..fe3cf55a8
--- /dev/null
+++ b/tools/gr-usrptest/python/phase_calc_ccf.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2016 Ettus Research LLC.
+#
+# This 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, or (at your option)
+# any later version.
+#
+# This software 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 this software; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr
+from gnuradio import blocks
+import numpy as np
+
+
+class phase_calc_ccf(gr.hier_block2):
+ """
+ docstring for block phase_calc_ccf
+ """
+
+ def __init__(self):
+ gr.hier_block2.__init__(
+ self,
+ "phase_calc_ccf",
+ gr.io_signature(2, 2, gr.sizeof_gr_complex), # Input signature
+ gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
+ self.block = dict()
+ self.block['mult_conj'] = blocks.multiply_conjugate_cc()
+ self.block['arg'] = blocks.complex_to_arg()
+ self.block['mult_const'] = blocks.multiply_const_ff(180.0 / np.pi)
+
+ self.connect((self, 0), (self.block['mult_conj'], 0))
+ self.connect((self, 1), (self.block['mult_conj'], 1))
+ self.connect((self.block['mult_conj'], 0), (self.block['arg'], 0))
+ self.connect((self.block['arg'], 0), (self.block['mult_const'], 0))
+ self.connect((self.block['mult_const'], 0), (self, 0))
diff --git a/tools/gr-usrptest/python/qa_measurement_sink_f.py b/tools/gr-usrptest/python/qa_measurement_sink_f.py
new file mode 100755
index 000000000..ceb9913ae
--- /dev/null
+++ b/tools/gr-usrptest/python/qa_measurement_sink_f.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2016 Ettus Research LLC.
+#
+# This 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, or (at your option)
+# any later version.
+#
+# This software 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 this software; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+from gnuradio import blocks
+import usrptest_swig as usrptest
+
+class qa_measurement_sink_f (gr_unittest.TestCase):
+
+ def setUp (self):
+ self.tb = gr.top_block ()
+
+ def tearDown (self):
+ self.tb = None
+
+ def test_001_t (self):
+ # set up fg
+ self.tb.run ()
+ # check data
+
+
+if __name__ == '__main__':
+ gr_unittest.run(qa_measurement_sink_f, "qa_measurement_sink_f.xml")
diff --git a/tools/gr-usrptest/python/rts_tests/CMakeLists.txt b/tools/gr-usrptest/python/rts_tests/CMakeLists.txt
new file mode 100644
index 000000000..fbe49995a
--- /dev/null
+++ b/tools/gr-usrptest/python/rts_tests/CMakeLists.txt
@@ -0,0 +1,27 @@
+# Copyright 2011 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+########################################################################
+# Install python sources
+########################################################################
+GR_PYTHON_INSTALL(
+ FILES
+ __init__.py
+ test_phasealignment.py DESTINATION ${GR_PYTHON_DIR}/usrptest/rts_tests
+)
diff --git a/tools/gr-usrptest/python/rts_tests/__init__.py b/tools/gr-usrptest/python/rts_tests/__init__.py
new file mode 100644
index 000000000..048e5638a
--- /dev/null
+++ b/tools/gr-usrptest/python/rts_tests/__init__.py
@@ -0,0 +1,14 @@
+"""
+usrptest.flowgraphs
+======================================
+
+Contents
+--------
+
+Subpackages
+-----------
+::
+
+The existance of the file turns the folder into a Python module.
+
+"""
diff --git a/tools/gr-usrptest/python/rts_tests/test_phasealignment.py b/tools/gr-usrptest/python/rts_tests/test_phasealignment.py
new file mode 100644
index 000000000..10642f298
--- /dev/null
+++ b/tools/gr-usrptest/python/rts_tests/test_phasealignment.py
@@ -0,0 +1,121 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2016 Ettus Research LLC.
+#
+# This 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, or (at your option)
+# any later version.
+#
+# This software 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 this software; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+import unittest
+from tinydb import TinyDB, Query
+from usrptest.flowgraphs import phasealignment_fg
+from usrptest.functions import setup_phase_alignment_parser, run_test
+from gnuradio.uhd.uhd_app import UHDApp
+import numpy as np
+import argparse
+import time
+
+class gr_usrp_test(unittest.TestCase):
+ def __init__(self, methodName='runTest', args=None):
+ super(gr_usrp_test,self).__init__(methodName)
+ self.args = args
+
+class qa_phasealignment(gr_usrp_test):
+ def setUp(self):
+ self.uhd_app = UHDApp(args=self.args)
+ self.tb = phasealignment_fg.phasealignment_fg(self.uhd_app)
+ self.db = TinyDB('phase_db.json')
+
+ def tearDown(self):
+ self.uhd_app = None
+ self.tb = None
+
+ def test_001(self):
+ self.tb.start()
+ time.sleep(2)
+ results = run_test(self.tb,self.args.runs) # dict key:dev, value: dict{dphase:[],stddev:[]}
+ time.sleep(1)
+ self.first_device = self.tb.measurement_channels_names[:-1]
+ self.second_device = self.tb.measurement_channels_names[1:]
+ #self.tb.stop()
+ #self.tb.wait()
+ self.time_stamp = time.strftime('%Y%m%d%H%M')
+ self.passed = True
+ for fdev, sdev in zip(self.first_device,self.second_device):
+ print('Comparing values for phase difference between {} and {}'.format(fdev, sdev))
+ dphase_list = results[fdev]['avg']
+ dev_list = results[fdev]['stddev']
+ dphase = np.average(dphase_list)
+ dev = np.average(dev_list)
+ ref_meas = get_reference_meas(self.db, fdev, sdev, self.args.freq)
+ for dphase_i in dphase_list:
+ passed = True
+ if abs(dphase_i - dphase) > self.args.dphi and passed:
+ print('\t dPhase of a measurement_run differs from average dhpase. dphase_run: {}, dphase_avg: {}'.format(dphase_i, dphase))
+ passed = False
+ if dev > self.args.phasedev:
+ print('\t dPhase deviates during measurement. stddev: {}'.format(dev))
+ passed = False
+ if ref_meas:
+ if abs(ref_meas['dphase'] - dphase) > self.args.dphi:
+ print('\t dPhase differs from reference measurement. Now: {}, reference: {}'.format(dphase, ref_meas['dphase']))
+ if not passed:
+ self.passed = False
+ else:
+ self.db.insert({'dev1':fdev, 'dev2':sdev, 'timestamp':self.time_stamp, 'dphase':dphase, 'dphase_dev': dev, 'freq': self.args.freq})
+ self.tb.stop()
+ self.assertTrue(self.passed)
+
+def get_previous_meas(db, dev1, dev2, freq):
+ meas = Query()
+ results = db.search((meas.dev1 == dev1) & (meas.dev2 == dev2) & (meas.freq == freq))
+ prev_result = dict()
+ if results:
+ prev_result = results[0]
+ for result in results:
+ if result['timestamp'] > prev_result['timestamp']:
+ prev_result = result
+ return prev_result
+
+def get_reference_meas(db, dev1, dev2, freq):
+ meas = Query()
+ results = db.search((meas.dev1 == dev1) & (meas.dev2 == dev2) & (meas.freq == freq))
+ ref_result = dict()
+ if results:
+ ref_result = results[0]
+ for result in results:
+ if result['timestamp'] < ref_result['timestamp']:
+ ref_result = result
+ return ref_result
+
+
+
+if __name__ == '__main__':
+ parser = argparse.ArgumentParser(conflict_handler='resolve')
+ parser = setup_phase_alignment_parser(parser)
+ UHDApp.setup_argparser(parser=parser)
+ args = parser.parse_args()
+ def make_suite(testcase_class):
+ testloader = unittest.TestLoader()
+ testnames = testloader.getTestCaseNames(testcase_class)
+ suite = unittest.TestSuite()
+ for name in testnames:
+ suite.addTest(testcase_class(name, args=args))
+ return suite
+
+ # Add tests.
+ alltests = unittest.TestSuite()
+ alltests.addTest(make_suite(qa_phasealignment))
+ result = unittest.TextTestRunner(verbosity=2).run(alltests) # Run tests.