diff options
| -rw-r--r-- | src/OutputUHD.cpp | 243 | ||||
| -rw-r--r-- | src/OutputUHD.h | 160 |
2 files changed, 195 insertions, 208 deletions
diff --git a/src/OutputUHD.cpp b/src/OutputUHD.cpp index c2f985b..10e605f 100644 --- a/src/OutputUHD.cpp +++ b/src/OutputUHD.cpp @@ -49,7 +49,7 @@ using namespace std; -// Maximum number of frames that can wait in uwd.frames +// Maximum number of frames that can wait in frames static const size_t FRAMES_MAX_SIZE = 8; typedef std::complex<float> complexf; @@ -158,16 +158,13 @@ OutputUHD::OutputUHD( myConf(config), // Since we don't know the buffer size, we cannot initialise // the buffers at object initialisation. - first_run(true), - gps_fix_verified(false), - worker(&uwd), - myDelayBuf(0) + myDelayBuf(0), + running(false) { myConf.muting = true; // is remote-controllable, and reset by the GPS fix check myConf.staticDelayUs = 0; // is remote-controllable // Variables needed for GPS fix check - num_checks_without_gps_fix = 1; first_gps_fix_check.tv_sec = 0; last_gps_fix_check.tv_sec = 0; time_last_frame.tv_sec = 0; @@ -196,25 +193,29 @@ OutputUHD::OutputUHD( /* register the parameters that can be remote controlled */ RC_ADD_PARAMETER(txgain, "UHD analog daughterboard TX gain"); RC_ADD_PARAMETER(rxgain, "UHD analog daughterboard RX gain for DPD feedback"); - RC_ADD_PARAMETER(freq, "UHD transmission frequency"); + RC_ADD_PARAMETER(freq, "UHD transmission frequency"); RC_ADD_PARAMETER(muting, "Mute the output by stopping the transmitter"); RC_ADD_PARAMETER(staticdelay, "Set static delay (uS) between 0 and 96000"); + RC_ADD_PARAMETER(underruns, "Read-only counter of number of underruns"); + RC_ADD_PARAMETER(latepackets, "Read-only counter of number of late packets"); + RC_ADD_PARAMETER(frames, "Read-only counter of number of frames modulated"); uhd::msg::register_handler(uhd_msg_handler); uhd::set_thread_priority_safe(); - //create a usrp device - MDEBUG("OutputUHD:Creating the usrp device with: %s...\n", + etiLog.log(info, "OutputUHD:Creating the usrp device with: %s...", device.str().c_str()); myUsrp = uhd::usrp::multi_usrp::make(device.str()); - MDEBUG("OutputUHD:Using device: %s...\n", myUsrp->get_pp_string().c_str()); + etiLog.log(info, "OutputUHD:Using device: %s...", + myUsrp->get_pp_string().c_str()); if (myConf.masterClockRate != 0.0) { double master_clk_rate = myUsrp->get_master_clock_rate(); - MDEBUG("OutputUHD:Checking master clock rate: %f...\n", master_clk_rate); + etiLog.log(debug, "OutputUHD:Checking master clock rate: %f...", + master_clk_rate); if (fabs(master_clk_rate - myConf.masterClockRate) > (myConf.masterClockRate * 1e-6)) { @@ -237,20 +238,16 @@ OutputUHD::OutputUHD( uhd::usrp::multi_usrp::ALL_MBOARDS); } - std::cerr << "UHD clock source is " << - myUsrp->get_clock_source(0) << std::endl; + etiLog.level(debug) << "UHD clock source is " << myUsrp->get_clock_source(0); - std::cerr << "UHD time source is " << - myUsrp->get_time_source(0) << std::endl; + etiLog.level(debug) << "UHD time source is " << myUsrp->get_time_source(0); - //set the tx sample rate - MDEBUG("OutputUHD:Setting rate to %d...\n", myConf.sampleRate); myUsrp->set_tx_rate(myConf.sampleRate); - MDEBUG("OutputUHD:Actual TX Rate: %f sps...\n", myUsrp->get_tx_rate()); + etiLog.log(debug, "OutputUHD:Set rate to %d. Actual TX Rate: %f sps...", + myConf.sampleRate, myUsrp->get_tx_rate()); if (fabs(myUsrp->get_tx_rate() / myConf.sampleRate) > myConf.sampleRate * 1e-6) { - MDEBUG("OutputUHD: Cannot set sample\n"); throw std::runtime_error("Cannot set USRP sample rate. Aborted."); } @@ -264,52 +261,71 @@ OutputUHD::OutputUHD( "OutputUHD:Actual RX frequency: " << myUsrp->get_tx_freq(); myUsrp->set_tx_gain(myConf.txgain); - MDEBUG("OutputUHD:Actual TX Gain: %f ...\n", myUsrp->get_tx_gain()); + etiLog.log(debug, "OutputUHD:Actual TX Gain: %f", myUsrp->get_tx_gain()); - MDEBUG("OutputUHD:Mute on missing timestamps: %s ...\n", + etiLog.log(debug, "OutputUHD:Mute on missing timestamps: %s", myConf.muteNoTimestamps ? "enabled" : "disabled"); // preparing output thread worker data - uwd.myUsrp = myUsrp; + sourceContainsTimestamp = false; - uwd.sampleRate = myConf.sampleRate; - uwd.sourceContainsTimestamp = false; - uwd.muteNoTimestamps = myConf.muteNoTimestamps; - uwd.refclk_lock_loss_behaviour = myConf.refclk_lock_loss_behaviour; - uwd.gpsdo_is_ettus = false; + SetDelayBuffer(myConf.dabMode); + + myUsrp->set_rx_rate(myConf.sampleRate); + etiLog.log(debug, "OutputUHD:Actual RX Rate: %f sps.", myUsrp->get_rx_rate()); + + myUsrp->set_rx_antenna("RX2"); + etiLog.log(debug, "OutputUHD:Set RX Antenna: %s", + myUsrp->get_rx_antenna().c_str()); + + myUsrp->set_rx_gain(myConf.rxgain); + etiLog.log(debug, "OutputUHD:Actual RX Gain: %f", myUsrp->get_rx_gain()); + + uhdFeedback.setup(myUsrp, myConf.dpdFeedbackServerPort, myConf.sampleRate); + + MDEBUG("OutputUHD:UHD ready.\n"); +} + +bool OutputUHD::refclk_loss_needs_check() const +{ + if (suppress_refclk_loss_check) { + return false; + } + return myConf.refclk_src != "internal"; +} +bool OutputUHD::gpsfix_needs_check() const +{ if (myConf.refclk_src == "internal") { - uwd.check_refclk_loss = false; - uwd.check_gpsfix = false; + return false; } else if (myConf.refclk_src == "gpsdo") { - uwd.check_refclk_loss = true; - uwd.check_gpsfix = (myConf.maxGPSHoldoverTime != 0); + return (myConf.maxGPSHoldoverTime != 0); } else if (myConf.refclk_src == "gpsdo-ettus") { - uwd.check_refclk_loss = true; - uwd.check_gpsfix = (myConf.maxGPSHoldoverTime != 0); - uwd.gpsdo_is_ettus = true; + return (myConf.maxGPSHoldoverTime != 0); } else { - uwd.check_refclk_loss = true; - uwd.check_gpsfix = false; + return false; } +} - SetDelayBuffer(myConf.dabMode); - - myUsrp->set_rx_rate(myConf.sampleRate); - MDEBUG("OutputUHD:Actual RX Rate: %f sps...\n", myUsrp->get_rx_rate()); - - myUsrp->set_rx_antenna("RX2"); - MDEBUG("OutputUHD:Set RX Antenna: %s ...\n", myUsrp->get_rx_antenna().c_str()); - - myUsrp->set_rx_gain(myConf.rxgain); - MDEBUG("OutputUHD:Actual RX Gain: %f ...\n", myUsrp->get_rx_gain()); +bool OutputUHD::gpsdo_is_ettus() const +{ + return (myConf.refclk_src == "gpsdo-ettus"); +} - uhdFeedback.setup(myUsrp, myConf.dpdFeedbackServerPort, myConf.sampleRate); +OutputUHD::~OutputUHD() +{ + stop_threads(); +} - MDEBUG("OutputUHD:UHD ready.\n"); +void OutputUHD::stop_threads() +{ + running.store(false); + uhd_thread.interrupt(); + uhd_thread.join(); + async_rx_thread.join(); } @@ -346,10 +362,8 @@ void OutputUHD::SetDelayBuffer(unsigned int dabMode) int OutputUHD::process(Buffer* dataIn) { - uwd.muting = myConf.muting; - if (not gps_fix_verified) { - if (uwd.check_gpsfix) { + if (gpsfix_needs_check()) { initial_gps_check(); if (num_checks_without_gps_fix == 0) { @@ -374,7 +388,10 @@ int OutputUHD::process(Buffer* dataIn) SetDelayBuffer(myEtiSource->getMode()); } - worker.start(&uwd); + running.store(true); + uhd_thread = boost::thread(&OutputUHD::workerthread, this); + async_rx_thread = boost::thread( + &OutputUHD::print_async_thread, this); lastLen = dataIn->getLength(); first_run = false; @@ -389,16 +406,15 @@ int OutputUHD::process(Buffer* dataIn) throw std::runtime_error("Non-constant input length!"); } - uwd.sourceContainsTimestamp = myConf.enableSync && + sourceContainsTimestamp = myConf.enableSync and myEtiSource->sourceContainsTimestamp(); - - if (uwd.check_gpsfix) { + if (gpsfix_needs_check()) { try { check_gps(); } catch (std::runtime_error& e) { - uwd.running = false; + running.store(false); etiLog.level(error) << e.what(); } } @@ -429,12 +445,13 @@ int OutputUHD::process(Buffer* dataIn) myEtiSource->calculateTimestamp(frame.ts); - if (!uwd.running) { - worker.stop(); + if (not running.load()) { + uhd_thread.interrupt(); + uhd_thread.join(); + async_rx_thread.join(); first_run = true; - etiLog.level(error) << - "OutputUHD: Error, UHD worker failed"; + etiLog.level(error) << "OutputUHD: Error, UHD worker failed"; throw std::runtime_error("UHD worker failed"); } @@ -445,7 +462,7 @@ int OutputUHD::process(Buffer* dataIn) else { uhdFeedback.set_tx_frame(frame.buf, frame.ts); - size_t num_frames = uwd.frames.push_wait_if_full(frame, + size_t num_frames = frames.push_wait_if_full(frame, FRAMES_MAX_SIZE); etiLog.log(trace, "UHD,push %zu", num_frames); } @@ -457,7 +474,7 @@ int OutputUHD::process(Buffer* dataIn) void OutputUHD::set_usrp_time() { - if (myConf.enableSync && (myConf.pps_src == "none")) { + if (myConf.enableSync and (myConf.pps_src == "none")) { etiLog.level(warn) << "OutputUHD: WARNING:" " you are using synchronous transmission without PPS input!"; @@ -574,7 +591,7 @@ void OutputUHD::check_gps() // Divide interval by two because we alternate between // launch and check - if (uwd.check_gpsfix and + if (gpsfix_needs_check() and last_gps_fix_check.tv_sec + gps_fix_check_interval/2.0 < time_now.tv_sec) { last_gps_fix_check = time_now; @@ -615,7 +632,7 @@ void OutputUHD::check_gps() else { // Checking the sensor here takes too much // time, it has to be done in a separate thread. - if (uwd.gpsdo_is_ettus) { + if (gpsdo_is_ettus()) { gps_fix_pt = boost::packaged_task<bool>( boost::bind(check_gps_locked, myUsrp) ); } @@ -630,9 +647,7 @@ void OutputUHD::check_gps() } } -//============================ UHD Worker ======================== - -void UHDWorker::process_errhandler() +void OutputUHD::workerthread() { // Set thread priority to realtime if (int ret = set_realtime_prio(1)) { @@ -641,17 +656,10 @@ void UHDWorker::process_errhandler() set_thread_name("uhdworker"); - process(); - uwd->running = false; - etiLog.level(warn) << "UHD worker terminated"; -} - -void UHDWorker::process() -{ last_tx_time_initialised = false; uhd::stream_args_t stream_args("fc32"); //complex floats - myTxStream = uwd->myUsrp->get_tx_stream(stream_args); + myTxStream = myUsrp->get_tx_stream(stream_args); md.start_of_burst = false; md.end_of_burst = false; @@ -659,21 +667,22 @@ void UHDWorker::process() num_underflows = 0; num_late_packets = 0; - int last_num_underflows = 0; + size_t last_num_underflows = 0; size_t pop_prebuffering = FRAMES_MAX_SIZE; - while (uwd->running) { + while (running.load()) { md.has_time_spec = false; md.time_spec = uhd::time_spec_t(0.0); struct UHDWorkerFrameData frame; etiLog.log(trace, "UHD,wait"); - uwd->frames.wait_and_pop(frame, pop_prebuffering); + frames.wait_and_pop(frame, pop_prebuffering); etiLog.log(trace, "UHD,pop"); handle_frame(&frame); + num_frames_modulated++; - /* Ensure we fill uwd->frames after every underrun and + /* Ensure we fill frames after every underrun and * at startup to reduce underrun likelihood. */ if (last_num_underflows < num_underflows) { pop_prebuffering = FRAMES_MAX_SIZE; @@ -683,38 +692,38 @@ void UHDWorker::process() } last_num_underflows = num_underflows; } + running.store(false); + etiLog.level(warn) << "UHD worker terminated"; } -void UHDWorker::handle_frame(const struct UHDWorkerFrameData *frame) +void OutputUHD::handle_frame(const struct UHDWorkerFrameData *frame) { // Transmit timeout static const double tx_timeout = 20.0; // Check for ref_lock - if (uwd->check_refclk_loss) { + if (refclk_loss_needs_check()) { try { - // TODO: Is this check specific to the B100 and USRP2 ? - if (! uwd->myUsrp->get_mboard_sensor("ref_locked", 0).to_bool()) { + if (not myUsrp->get_mboard_sensor("ref_locked", 0).to_bool()) { etiLog.log(alert, "OutputUHD: External reference clock lock lost !"); - if (uwd->refclk_lock_loss_behaviour == CRASH) { + if (myConf.refclk_lock_loss_behaviour == CRASH) { throw std::runtime_error( "OutputUHD: External reference clock lock lost."); } } } catch (uhd::lookup_error &e) { - uwd->check_refclk_loss = false; - etiLog.log(warn, - "OutputUHD: This USRP does not have mboard sensor for ext clock loss." - " Check disabled."); + suppress_refclk_loss_check = true; + etiLog.log(warn, "OutputUHD: This USRP does not have mboard " + "sensor for ext clock loss. Check disabled."); } } - double usrp_time = uwd->myUsrp->get_time_now().get_real_secs(); + double usrp_time = myUsrp->get_time_now().get_real_secs(); bool timestamp_discontinuity = false; - if (uwd->sourceContainsTimestamp) { + if (sourceContainsTimestamp) { // Tx time from MNSC and TIST uint32_t tx_second = frame->ts.timestamp_sec; uint32_t tx_pps = frame->ts.timestamp_pps; @@ -734,7 +743,7 @@ void UHDWorker::handle_frame(const struct UHDWorkerFrameData *frame) if (last_tx_time_initialised) { const size_t sizeIn = frame->buf.size() / sizeof(complexf); uint64_t increment = (uint64_t)sizeIn * 16384000ul / - (uint64_t)uwd->sampleRate; + (uint64_t)myConf.sampleRate; // samps * ticks/s / (samps/s) // (samps * ticks * s) / (s * samps) // ticks @@ -793,11 +802,10 @@ void UHDWorker::handle_frame(const struct UHDWorkerFrameData *frame) throw std::runtime_error("Timestamp error. Aborted."); } } - else { // !uwd->sourceContainsTimestamp - if (uwd->muting || uwd->muteNoTimestamps) { - /* There was some error decoding the timestamp - */ - if (uwd->muting) { + else { // !sourceContainsTimestamp + if (myConf.muting or myConf.muteNoTimestamps) { + /* There was some error decoding the timestamp */ + if (myConf.muting) { etiLog.log(info, "OutputUHD: Muting sample %d requested\n", frame->ts.fct); @@ -815,7 +823,7 @@ void UHDWorker::handle_frame(const struct UHDWorkerFrameData *frame) tx_frame(frame, timestamp_discontinuity); } -void UHDWorker::tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update) +void OutputUHD::tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update) { const double tx_timeout = 20.0; const size_t sizeIn = frame->buf.size() / sizeof(complexf); @@ -823,7 +831,7 @@ void UHDWorker::tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update) size_t usrp_max_num_samps = myTxStream->get_max_num_samps(); size_t num_acc_samps = 0; //number of accumulated samples - while (uwd->running && !uwd->muting && (num_acc_samps < sizeIn)) { + while (running.load() and (not myConf.muting) and (num_acc_samps < sizeIn)) { size_t samps_to_send = std::min(sizeIn - num_acc_samps, usrp_max_num_samps); uhd::tx_metadata_t md_tx = md; @@ -831,8 +839,8 @@ void UHDWorker::tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update) //ensure the the last packet has EOB set if the timestamps has been //refreshed and need to be reconsidered. md_tx.end_of_burst = ( - uwd->sourceContainsTimestamp && - (frame->ts.timestamp_refresh or ts_update) && + sourceContainsTimestamp and + (frame->ts.timestamp_refresh or ts_update) and samps_to_send <= usrp_max_num_samps ); @@ -845,21 +853,21 @@ void UHDWorker::tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update) num_acc_samps += num_tx_samps; md_tx.time_spec = md.time_spec + - uhd::time_spec_t(0, num_tx_samps/uwd->sampleRate); + uhd::time_spec_t(0, num_tx_samps/myConf.sampleRate); if (num_tx_samps == 0) { etiLog.log(warn, - "UHDWorker::process() unable to write to device, skipping frame!\n"); + "OutputUHD::workerthread() unable to write to device, skipping frame!\n"); break; } } } -void UHDWorker::print_async_metadata() +void OutputUHD::print_async_thread() { - while (uwd->running) { + while (running.load()) { uhd::async_metadata_t async_md; - if (uwd->myUsrp->get_device()->recv_async_msg(async_md, 1)) { + if (myUsrp->get_device()->recv_async_msg(async_md, 1)) { const char* uhd_async_message = ""; bool failure = false; switch (async_md.event_code) { @@ -903,17 +911,19 @@ void UHDWorker::print_async_metadata() auto time_now = std::chrono::steady_clock::now(); if (last_print_time + std::chrono::seconds(1) < time_now) { const double usrp_time = - uwd->myUsrp->get_time_now().get_real_secs(); + myUsrp->get_time_now().get_real_secs(); - if (num_underflows or num_late_packets) { + if ( (num_underflows > num_underflows_previous) or + (num_late_packets > num_late_packets_previous)) { etiLog.log(info, "OutputUHD status (usrp time: %f): " "%d underruns and %d late packets since last status.\n", usrp_time, num_underflows, num_late_packets); } - num_underflows = 0; - num_late_packets = 0; + + num_underflows_previous = num_underflows; + num_late_packets_previous = num_late_packets; last_print_time = time_now; } @@ -923,7 +933,6 @@ void UHDWorker::print_async_metadata() // ======================================= // Remote Control for UHD // ======================================= - void OutputUHD::set_parameter(const string& parameter, const string& value) { stringstream ss(value); @@ -964,6 +973,11 @@ void OutputUHD::set_parameter(const string& parameter, const string& value) myConf.staticDelayUs = newStaticDelayUs; } } + else if (parameter == "underruns" or + parameter == "latepackets" or + parameter == "frames") { + throw ParameterError("Parameter " + parameter + " is read-only."); + } else { stringstream ss; ss << "Parameter '" << parameter @@ -990,6 +1004,15 @@ const string OutputUHD::get_parameter(const string& parameter) const else if (parameter == "staticdelay") { ss << myConf.staticDelayUs; } + else if (parameter == "underruns") { + ss << num_underflows; + } + else if (parameter == "latepackets") { + ss << num_late_packets; + } + else if (parameter == "frames") { + ss << num_frames_modulated; + } else { ss << "Parameter '" << parameter << "' is not exported by controllable " << get_rc_name(); diff --git a/src/OutputUHD.h b/src/OutputUHD.h index c966c7e..f1ae09c 100644 --- a/src/OutputUHD.h +++ b/src/OutputUHD.h @@ -12,8 +12,8 @@ DESCRIPTION: library. This version is multi-threaded. A separate thread sends the data to the device. - Data between the modulator and the UHD thread is exchanged by swapping - buffers at a synchronisation barrier. + Data between the modulator and the UHD thread are exchanged through a + threadsafe queue. */ /* @@ -49,6 +49,7 @@ DESCRIPTION: #include <chrono> #include <memory> #include <string> +#include <atomic> #include "Log.h" #include "ModPlugin.h" @@ -61,8 +62,8 @@ DESCRIPTION: #include <stdio.h> #include <sys/types.h> -#define MDEBUG(fmt, args...) fprintf (LOG, fmt , ## args) -//#define MDEBUG(fmt, args...) +//#define MDEBUG(fmt, args...) fprintf(LOG, fmt , ## args) +#define MDEBUG(fmt, args...) // If the timestamp is further in the future than // 100 seconds, abort @@ -87,93 +88,6 @@ struct UHDWorkerFrameData { enum refclk_lock_loss_behaviour_t { CRASH, IGNORE }; -struct UHDWorkerData { - bool running; - - uhd::usrp::multi_usrp::sptr myUsrp; - unsigned sampleRate; - - bool sourceContainsTimestamp; - - // When working with timestamps, mute the frames that - // do not have a timestamp - bool muteNoTimestamps; - - ThreadsafeQueue<UHDWorkerFrameData> frames; - - // If we want to verify loss of refclk - bool check_refclk_loss; - - // If we want to check for the gps_timelock sensor - bool check_gpsfix; - - bool gpsdo_is_ettus; // Set to false in case the ODR LEA-M8F board is used - - // muting set by remote control - bool muting; - - // What to do when the reference clock PLL loses lock - refclk_lock_loss_behaviour_t refclk_lock_loss_behaviour; -}; - - -class UHDWorker { - public: - UHDWorker(struct UHDWorkerData *uhdworkerdata) { - uwd = uhdworkerdata; - } - - void start(struct UHDWorkerData *uhdworkerdata) { - uwd->running = true; - uhd_thread = boost::thread(&UHDWorker::process_errhandler, this); - async_rx_thread = boost::thread( - &UHDWorker::print_async_metadata, this); - } - - void stop() { - if (uwd) { - uwd->running = false; - } - uhd_thread.interrupt(); - uhd_thread.join(); - async_rx_thread.join(); - } - - ~UHDWorker() { - stop(); - } - - UHDWorker(const UHDWorker& other) = delete; - UHDWorker& operator=(const UHDWorker& other) = delete; - - private: - // Asynchronous message statistics - int num_underflows; - int num_late_packets; - - uhd::tx_metadata_t md; - bool last_tx_time_initialised; - uint32_t last_tx_second; - uint32_t last_tx_pps; - - // Used to print statistics once a second - std::chrono::steady_clock::time_point last_print_time; - - void print_async_metadata(void); - - void handle_frame(const struct UHDWorkerFrameData *frame); - void tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update); - - struct UHDWorkerData *uwd; - boost::thread uhd_thread; - boost::thread async_rx_thread; - - uhd::tx_streamer::sptr myTxStream; - - void process(); - void process_errhandler(); -}; - /* This structure is used as initial configuration for OutputUHD. * It must also contain all remote-controllable settings, otherwise * they will get lost on a modulator restart. */ @@ -191,6 +105,9 @@ struct OutputUHDConfig { double txgain = 0.0; double rxgain = 0.0; bool enableSync = false; + + // When working with timestamps, mute the frames that + // do not have a timestamp bool muteNoTimestamps = false; unsigned dabMode = 0; unsigned maxGPSHoldoverTime = 0; @@ -221,6 +138,9 @@ struct OutputUHDConfig { class OutputUHD: public ModOutput, public RemoteControllable { public: OutputUHD(OutputUHDConfig& config); + OutputUHD(const OutputUHD& other) = delete; + OutputUHD operator=(const OutputUHD& other) = delete; + ~OutputUHD(); int process(Buffer* dataIn); @@ -239,14 +159,12 @@ class OutputUHD: public ModOutput, public RemoteControllable { const std::string& parameter) const; protected: - EtiSource *myEtiSource; + EtiSource *myEtiSource = nullptr; OutputUHDConfig& myConf; uhd::usrp::multi_usrp::sptr myUsrp; std::shared_ptr<boost::barrier> mySyncBarrier; - bool first_run; - bool gps_fix_verified; - struct UHDWorkerData uwd; - UHDWorker worker; + bool first_run = true; + bool gps_fix_verified = false; OutputUHDFeedback uhdFeedback; private: @@ -258,10 +176,10 @@ class OutputUHD: public ModOutput, public RemoteControllable { // The remote-controllable static delay is in the OutputUHDConfig int myTFDurationMs; // TF duration in milliseconds std::vector<complexf> myDelayBuf; - size_t lastLen; + size_t lastLen = 0; // GPS Fix check variables - int num_checks_without_gps_fix; + int num_checks_without_gps_fix = 1; struct timespec first_gps_fix_check; struct timespec last_gps_fix_check; struct timespec time_last_frame; @@ -275,6 +193,52 @@ class OutputUHD: public ModOutput, public RemoteControllable { // Interval for checking the GPS at runtime static constexpr double gps_fix_check_interval = 10.0; // seconds + // Asynchronous message statistics + size_t num_underflows = 0; + size_t num_late_packets = 0; + size_t num_underflows_previous = 0; + size_t num_late_packets_previous = 0; + + size_t num_frames_modulated = 0; + + uhd::tx_metadata_t md; + bool last_tx_time_initialised = false; + uint32_t last_tx_second = 0; + uint32_t last_tx_pps = 0; + + // Used to print statistics once a second + std::chrono::steady_clock::time_point last_print_time; + + bool sourceContainsTimestamp = false; + + ThreadsafeQueue<UHDWorkerFrameData> frames; + + // Returns true if we want to verify loss of refclk + bool refclk_loss_needs_check(void) const; + bool suppress_refclk_loss_check = false; + + // Returns true if we want to check for the gps_timelock sensor + bool gpsfix_needs_check(void) const; + + // Return true if the gpsdo is from ettus, false if it is the ODR + // LEA-M8F board is used + bool gpsdo_is_ettus(void) const; + + std::atomic<bool> running; + boost::thread uhd_thread; + boost::thread async_rx_thread; + void stop_threads(void); + + uhd::tx_streamer::sptr myTxStream; + + // The worker thread decouples the modulator from UHD + void workerthread(); + void handle_frame(const struct UHDWorkerFrameData *frame); + void tx_frame(const struct UHDWorkerFrameData *frame, bool ts_update); + + // Poll asynchronous metadata from UHD + void print_async_thread(void); + void check_gps(); void set_usrp_time(); |