diff options
Diffstat (limited to 'src/output')
| -rw-r--r-- | src/output/Lime.cpp | 425 | ||||
| -rw-r--r-- | src/output/Lime.h | 105 | ||||
| -rw-r--r-- | src/output/SDR.cpp | 20 | ||||
| -rw-r--r-- | src/output/SDRDevice.h | 3 |
4 files changed, 551 insertions, 2 deletions
diff --git a/src/output/Lime.cpp b/src/output/Lime.cpp new file mode 100644 index 0000000..1d4c581 --- /dev/null +++ b/src/output/Lime.cpp @@ -0,0 +1,425 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Her Majesty the + Queen in Right of Canada (Communications Research Center Canada) + + Copyright (C) 2018 + Evariste F5OEO, evaristec@gmail.com + + Copyright (C) 2019 + Matthias P. Braendli, matthias.braendli@mpb.li + + http://opendigitalradio.org + +DESCRIPTION: + It is an output driver using the LimeSDR library. +*/ + +/* + 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 <http://www.gnu.org/licenses/>. + */ + +#include "output/Lime.h" + +#ifdef HAVE_LIMESDR + +#include <chrono> +#include <limits> +#include <cstdio> +#include <iomanip> + +#include "Log.h" +#include "Utils.h" + +using namespace std; + +namespace Output +{ + +static constexpr size_t FRAMES_MAX_SIZE = 2; +static constexpr size_t FRAME_LENGTH = 196608; // at native sample rate! + +Lime::Lime(SDRDeviceConfig &config) : SDRDevice(), m_conf(config) +{ + m_interpolate = m_conf.upsample; + + etiLog.level(info) << "Lime:Creating the device with: " << m_conf.device; + + const int device_count = LMS_GetDeviceList(nullptr); + if (device_count < 0) { + etiLog.level(error) << "Error making LimeSDR device: " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot find LimeSDR output device"); + } + + lms_info_str_t device_list[device_count]; + if (LMS_GetDeviceList(device_list) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot find LimeSDR output device"); + } + + size_t device_i = 0; // If several cards, need to get device by configuration + if (LMS_Open(&m_device, device_list[device_i], nullptr) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot open LimeSDR output device"); + } + + if (LMS_Reset(m_device) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot reset LimeSDR output device"); + } + + if (LMS_Init(m_device) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot init LimeSDR output device"); + } + + if (m_conf.masterClockRate != 0) { + if (LMS_SetClockFreq(m_device, LMS_CLOCK_CGEN, m_conf.masterClockRate) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot set master clock rate (CGEN) for LimeSDR output device"); + } + + float_type masterClockRate = 0; + if (LMS_GetClockFreq(m_device, LMS_CLOCK_CGEN, &masterClockRate) < 0) { + etiLog.level(error) << "Error reading CGEN clock LimeSDR device: %s " << LMS_GetLastErrorMessage(); + } + else { + etiLog.level(info) << "LimeSDR master clock rate set to " << fixed << setprecision(4) << + masterClockRate; + } + } + + if (LMS_EnableChannel(m_device, LMS_CH_TX, m_channel, true) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot enable channel for LimeSDR output device"); + } + + if (LMS_SetSampleRate(m_device, m_conf.sampleRate * m_interpolate, 0) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot set sample rate for LimeSDR output device"); + } + float_type host_sample_rate = 0.0; + + if (LMS_GetSampleRate(m_device, LMS_CH_TX, m_channel, &host_sample_rate, NULL) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot get samplerate for LimeSDR output device"); + } + etiLog.level(info) << "LimeSDR sample rate set to " << fixed << setprecision(4) << + host_sample_rate / 1000.0 << " kHz"; + + tune(m_conf.lo_offset, m_conf.frequency); + + float_type cur_frequency = 0.0; + + if (LMS_GetLOFrequency(m_device, LMS_CH_TX, m_channel, &cur_frequency) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot get frequency for LimeSDR output device"); + } + etiLog.level(info) << "LimeSDR:Actual frequency: " << fixed << setprecision(3) << + cur_frequency / 1000.0 << " kHz."; + + if (LMS_SetNormalizedGain(m_device, LMS_CH_TX, m_channel, m_conf.txgain / 100.0) < 0) { + //value 0..100 -> Normalize + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot set TX gain for LimeSDR output device"); + } + + if (LMS_SetAntenna(m_device, LMS_CH_TX, m_channel, LMS_PATH_TX2) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot set antenna for LimeSDR output device"); + } + + double bandwidth_calibrating = 2.5e6; // Minimal bandwidth + if (LMS_Calibrate(m_device, LMS_CH_TX, m_channel, bandwidth_calibrating, 0) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot calibrate LimeSDR output device"); + } + + switch (m_interpolate) { + case 1: + { + static double coeff[] = { + -0.0014080960536375642, 0.0010270054917782545, + 0.0002103941806126386, -0.0023147952742874622, + 0.004256128799170256, -0.0038850826676934958, + -0.0006057845894247293, 0.008352266624569893, + -0.014639420434832573, 0.01275692880153656, + 0.0012119393795728683, -0.02339744009077549, + 0.04088031128048897, -0.03649924695491791, + -0.001745241112075746, 0.07178881019353867, + -0.15494878590106964, 0.22244733572006226, + 0.7530255913734436, 0.22244733572006226, + -0.15494878590106964, 0.07178881019353867, + -0.001745241112075746, -0.03649924695491791, + 0.04088031128048897, -0.02339744009077549, + 0.0012119393795728683, 0.01275692880153656, + -0.014639420434832573, 0.008352266624569893, + -0.0006057845894247293, -0.0038850826676934958, + 0.004256128799170256, -0.0023147952742874622, + 0.0002103941806126386, 0.0010270054917782545, + -0.0014080960536375642}; + LMS_SetGFIRCoeff(m_device, LMS_CH_TX, m_channel, LMS_GFIR3, coeff, 37); + LMS_SetGFIR(m_device, LMS_CH_TX, m_channel, LMS_GFIR3, true); + } + break; + case 2: + { + static double coeff[] = {0.0007009872933849692, + 0.0006160094635561109, -0.0003868100175168365, + -0.0010892765130847692, -0.0003017585549969226, + 0.0013388358056545258, 0.0014964848523959517, + -0.000810395460575819, -0.0028437587898224592, + -0.001026041223667562, 0.0033166243229061365, + 0.004008698742836714, -0.0016114861937239766, + -0.006794447544962168, -0.0029077117796987295, + 0.0070640090852975845, 0.009203733876347542, + -0.002605677582323551, -0.014204192906618118, + -0.007088471669703722, 0.013578214682638645, + 0.019509244710206985, -0.0035577849484980106, + -0.028872046619653702, -0.016949573531746864, + 0.02703845500946045, 0.045044951140880585, + -0.00423968443647027, -0.07416801154613495, + -0.05744718387722969, 0.09617383778095245, + 0.30029231309890747, 0.39504382014274597, + 0.30029231309890747, 0.09617383778095245, + -0.05744718387722969, -0.07416801154613495, + -0.00423968443647027, 0.045044951140880585, + 0.02703845500946045, -0.016949573531746864, + -0.028872046619653702, -0.0035577849484980106, + 0.019509244710206985, 0.013578214682638645, + -0.007088471669703722, -0.014204192906618118, + -0.002605677582323551, 0.009203733876347542, + 0.0070640090852975845, -0.0029077117796987295, + -0.006794447544962168, -0.0016114861937239766, + 0.004008698742836714, 0.0033166243229061365, + -0.001026041223667562, -0.0028437587898224592, + -0.000810395460575819, 0.0014964848523959517, + 0.0013388358056545258, -0.0003017585549969226, + -0.0010892765130847692, -0.0003868100175168365, + 0.0006160094635561109, 0.0007009872933849692}; + LMS_SetGFIRCoeff(m_device, LMS_CH_TX, m_channel, LMS_GFIR3, coeff, 65); + LMS_SetGFIR(m_device, LMS_CH_TX, m_channel, LMS_GFIR3, true); + } + break; + default: + throw runtime_error("Unsupported interpolate: " + to_string(m_interpolate)); + } + + if (m_conf.sampleRate != 2048000) { + throw runtime_error("Lime output only supports native samplerate = 2048000"); + /* The buffer_size calculation below does not take into account resampling */ + } + + // Frame duration is 96ms + size_t buffer_size = FRAME_LENGTH * m_interpolate * 10; // We take 10 Frame buffer size Fifo + // Fifo seems to be round to multiple of SampleRate + m_tx_stream.channel = m_channel; + m_tx_stream.fifoSize = buffer_size; + m_tx_stream.throughputVsLatency = 1.0; + m_tx_stream.isTx = LMS_CH_TX; + m_tx_stream.dataFmt = lms_stream_t::LMS_FMT_F32; + if (LMS_SetupStream(m_device, &m_tx_stream) < 0) { + etiLog.level(error) << "Error making LimeSDR device: %s " << LMS_GetLastErrorMessage(); + throw runtime_error("Cannot setup TX stream for LimeSDR output device"); + } + LMS_StartStream(&m_tx_stream); + LMS_SetGFIR(m_device, LMS_CH_TX, m_channel, LMS_GFIR3, true); +} + +Lime::~Lime() +{ + if (m_device != nullptr) { + LMS_StopStream(&m_tx_stream); + LMS_DestroyStream(m_device, &m_tx_stream); + LMS_EnableChannel(m_device, LMS_CH_TX, m_channel, false); + LMS_Close(m_device); + } +} + +void Lime::tune(double lo_offset, double frequency) +{ + if (not m_device) + throw runtime_error("Lime device not set up"); + + if (LMS_SetLOFrequency(m_device, LMS_CH_TX, m_channel, m_conf.frequency) < 0) { + etiLog.level(error) << "Error setting LimeSDR TX frequency: %s " << LMS_GetLastErrorMessage(); + } +} + +double Lime::get_tx_freq(void) const +{ + if (not m_device) + throw runtime_error("Lime device not set up"); + + float_type cur_frequency = 0.0; + + if (LMS_GetLOFrequency(m_device, LMS_CH_TX, m_channel, &cur_frequency) < 0) { + etiLog.level(error) << "Error getting LimeSDR TX frequency: %s " << LMS_GetLastErrorMessage(); + } + + return cur_frequency; +} + +void Lime::set_txgain(double txgain) +{ + m_conf.txgain = txgain; + if (not m_device) + throw runtime_error("Lime device not set up"); + + if (LMS_SetNormalizedGain(m_device, LMS_CH_TX, m_channel, m_conf.txgain / 100.0) < 0) { + etiLog.level(error) << "Error setting LimeSDR TX gain: %s " << LMS_GetLastErrorMessage(); + } +} + +double Lime::get_txgain(void) const +{ + if (not m_device) + throw runtime_error("Lime device not set up"); + + float_type txgain = 0; + if (LMS_GetNormalizedGain(m_device, LMS_CH_TX, m_channel, &txgain) < 0) { + etiLog.level(error) << "Error getting LimeSDR TX gain: %s " << LMS_GetLastErrorMessage(); + } + return txgain; +} + +SDRDevice::RunStatistics Lime::get_run_statistics(void) const +{ + RunStatistics rs; + rs.num_underruns = underflows; + rs.num_overruns = overflows; + rs.num_late_packets = late_packets; + rs.num_frames_modulated = num_frames_modulated; + return rs; +} + +double Lime::get_real_secs(void) const +{ + // TODO + return 0.0; +} + +void Lime::set_rxgain(double rxgain) +{ + // TODO +} + +double Lime::get_rxgain(void) const +{ + // TODO + return 0.0; +} + +size_t Lime::receive_frame( + complexf *buf, + size_t num_samples, + struct frame_timestamp &ts, + double timeout_secs) +{ + // TODO + return 0; +} + +bool Lime::is_clk_source_ok() const +{ + // TODO + return true; +} + +const char *Lime::device_name(void) const +{ + return "Lime"; +} + +double Lime::get_temperature(void) const +{ + if (not m_device) + throw runtime_error("Lime device not set up"); + + float_type temp = numeric_limits<float_type>::quiet_NaN(); + if (LMS_GetChipTemperature(m_device, 0, &temp) < 0) { + etiLog.level(error) << "Error getting LimeSDR temperature: %s " << LMS_GetLastErrorMessage(); + } + return temp; +} + +float Lime::get_fifo_fill_percent(void) const +{ + return m_last_fifo_fill_percent * 100; +} + +void Lime::transmit_frame(const struct FrameData &frame) +{ + if (not m_device) + throw runtime_error("Lime device not set up"); + + // The frame buffer contains bytes representing FC32 samples + const complexf *buf = reinterpret_cast<const complexf *>(frame.buf.data()); + const size_t numSamples = frame.buf.size() / sizeof(complexf); + if ((frame.buf.size() % sizeof(complexf)) != 0) { + throw runtime_error("Lime: invalid buffer size"); + } + + lms_stream_status_t LimeStatus; + LMS_GetStreamStatus(&m_tx_stream, &LimeStatus); + overflows += LimeStatus.overrun; + underflows += LimeStatus.underrun; + late_packets += LimeStatus.droppedPackets; + +#if LIMEDEBUG + etiLog.level(info) << LimeStatus.fifoFilledCount << "/" << LimeStatus.fifoSize << ":" << numSamples << "Rate" << LimeStatus.linkRate / (2 * 2.0); + etiLog.level(info) << "overrun" << LimeStatus.overrun << "underun" << LimeStatus.underrun << "drop" << LimeStatus.droppedPackets; +#endif + + m_last_fifo_fill_percent.store((float)LimeStatus.fifoFilledCount / (float)LimeStatus.fifoSize); + + /* + if(LimeStatus.fifoFilledCount>=5*FRAME_LENGTH*m_interpolate) // Start if FIFO is half full { + if(not m_tx_stream_active) { + etiLog.level(info) << "Fifo OK : Normal running"; + LMS_StartStream(&m_tx_stream); + m_tx_stream_active = true; + } + } +*/ + + ssize_t num_sent = 0; + if (m_interpolate == 1) { + num_sent = LMS_SendStream(&m_tx_stream, buf, numSamples, NULL, 1000); + } + + if (m_interpolate > 1) { // We upsample (1 0 0 0), low pass filter is done by FIR + interpolatebuf.resize(m_interpolate * numSamples); + for (size_t i = 0; i < numSamples; i++) { + interpolatebuf[i * m_interpolate] = buf[i]; + for (size_t j = 1; j < m_interpolate; j++) + interpolatebuf[i * m_interpolate + j] = complexf(0, 0); + } + num_sent = LMS_SendStream(&m_tx_stream, interpolatebuf.data(), numSamples * m_interpolate, NULL, 1000); + } + + if (num_sent == 0) { + etiLog.level(info) << "Lime: zero samples sent" << num_sent; + } + else if (num_sent == -1) { + etiLog.level(error) << "Error sending LimeSDR stream: %s " << LMS_GetLastErrorMessage(); + } + + num_frames_modulated++; +} + +} // namespace Output + +#endif // HAVE_LIMESDR diff --git a/src/output/Lime.h b/src/output/Lime.h new file mode 100644 index 0000000..48fb648 --- /dev/null +++ b/src/output/Lime.h @@ -0,0 +1,105 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Her Majesty the + Queen in Right of Canada (Communications Research Center Canada) + + Copyright (C) 2018 + Evariste F5OEO, evaristec@gmail.com + + Copyright (C) 2019 + Matthias P. Braendli, matthias.braendli@mpb.li + + http://opendigitalradio.org + +DESCRIPTION: + It is an output driver using the LimeSDR library. +*/ + +/* + 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 <http://www.gnu.org/licenses/>. + */ + +#pragma once + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_LIMESDR + +#include <atomic> +#include <string> +#include <memory> + +#include "output/SDR.h" +#include "ModPlugin.h" +#include "EtiReader.h" +#include "RemoteControl.h" +#include <lime/LimeSuite.h> + +namespace Output +{ + +class Lime : public Output::SDRDevice +{ + public: + Lime(SDRDeviceConfig &config); + Lime(const Lime &other) = delete; + Lime &operator=(const Lime &other) = delete; + ~Lime(); + + virtual void tune(double lo_offset, double frequency) override; + virtual double get_tx_freq(void) const override; + virtual void set_txgain(double txgain) override; + virtual double get_txgain(void) const override; + virtual void transmit_frame(const struct FrameData &frame) override; + virtual RunStatistics get_run_statistics(void) const override; + virtual double get_real_secs(void) const override; + + virtual void set_rxgain(double rxgain) override; + virtual double get_rxgain(void) const override; + virtual size_t receive_frame( + complexf *buf, + size_t num_samples, + struct frame_timestamp &ts, + double timeout_secs) override; + + // Return true if GPS and reference clock inputs are ok + virtual bool is_clk_source_ok(void) const override; + virtual const char *device_name(void) const override; + + virtual double get_temperature(void) const override; + virtual float get_fifo_fill_percent(void) const; + + private: + SDRDeviceConfig &m_conf; + lms_device_t *m_device = nullptr; + size_t m_channel = 0; // Should be set by config + lms_stream_t m_tx_stream; + bool m_tx_stream_active = false; + size_t m_interpolate = 1; + std::vector<complexf> interpolatebuf; + + std::atomic<float> m_last_fifo_fill_percent = ATOMIC_VAR_INIT(0); + + size_t underflows = 0; + size_t overflows = 0; + size_t late_packets = 0; + size_t num_frames_modulated = 0; +}; + +} // namespace Output + +#endif //HAVE_SOAPYSDR diff --git a/src/output/SDR.cpp b/src/output/SDR.cpp index bacb281..01312ff 100644 --- a/src/output/SDR.cpp +++ b/src/output/SDR.cpp @@ -25,6 +25,7 @@ */ #include "output/SDR.h" +#include "output/Lime.h" #include "PcDebug.h" #include "Log.h" @@ -84,6 +85,10 @@ SDR::SDR(SDRDeviceConfig& config, std::shared_ptr<SDRDevice> device) : RC_ADD_PARAMETER(frames, "Counter of number of frames modulated"); RC_ADD_PARAMETER(gpsdo_num_sv, "Number of Satellite Vehicles tracked by GPSDO"); RC_ADD_PARAMETER(gpsdo_holdover, "1 if the GPSDO is in holdover, 0 if it is using gnss"); + + if (std::dynamic_pointer_cast<Lime>(device)) { + RC_ADD_PARAMETER(fifo_fill, "A value representing the Lime FIFO fullness [percent]"); + } } SDR::~SDR() @@ -393,7 +398,8 @@ void SDR::set_parameter(const string& parameter, const string& value) parameter == "latepackets" or parameter == "frames" or parameter == "gpsdo_num_sv" or - parameter == "gpsdo_holdover") { + parameter == "gpsdo_holdover" or + parameter == "fifo_fill") { throw ParameterError("Parameter " + parameter + " is read-only."); } else { @@ -461,6 +467,18 @@ const string SDR::get_parameter(const string& parameter) const const auto stat = m_device->get_run_statistics(); ss << (stat.gpsdo_holdover ? 1 : 0); } + else if (parameter == "fifo_fill") { + const auto dev = std::dynamic_pointer_cast<Lime>(m_device); + + if (dev) { + ss << dev->get_fifo_fill_percent(); + } + else { + ss << "Parameter '" << parameter << + "' is not exported by controllable " << get_rc_name(); + throw ParameterError(ss.str()); + } + } else { ss << "Parameter '" << parameter << "' is not exported by controllable " << get_rc_name(); diff --git a/src/output/SDRDevice.h b/src/output/SDRDevice.h index a1a488f..d84ebf9 100644 --- a/src/output/SDRDevice.h +++ b/src/output/SDRDevice.h @@ -2,7 +2,7 @@ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Her Majesty the Queen in Right of Canada (Communications Research Center Canada) - Copyright (C) 2017 + Copyright (C) 2019 Matthias P. Braendli, matthias.braendli@mpb.li http://opendigitalradio.org @@ -64,6 +64,7 @@ struct SDRDeviceConfig { double rxgain = 0.0; bool enableSync = false; double bandwidth = 0.0; + unsigned upsample = 1; // When working with timestamps, mute the frames that // do not have a timestamp |