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author | Matthias P. Braendli (think) <matthias@mpb.li> | 2012-09-04 15:18:20 +0200 |
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committer | Matthias P. Braendli (think) <matthias@mpb.li> | 2012-09-04 15:18:20 +0200 |
commit | d02e2ecc13a741fac7d5a0ce65acaa0ecd3a621c (patch) | |
tree | f8fa1162a6943b53dc90b78ced504b4f3b4ecf8d /src/OutputUHD.cpp | |
parent | c84de18fa8448c76426c60257c7ae8dac72a4039 (diff) | |
download | dabmod-d02e2ecc13a741fac7d5a0ce65acaa0ecd3a621c.tar.gz dabmod-d02e2ecc13a741fac7d5a0ce65acaa0ecd3a621c.tar.bz2 dabmod-d02e2ecc13a741fac7d5a0ce65acaa0ecd3a621c.zip |
crc-dabmod: added clock_config parameters to configuration file
Diffstat (limited to 'src/OutputUHD.cpp')
-rw-r--r-- | src/OutputUHD.cpp | 139 |
1 files changed, 91 insertions, 48 deletions
diff --git a/src/OutputUHD.cpp b/src/OutputUHD.cpp index eb55c0d..f864e2a 100644 --- a/src/OutputUHD.cpp +++ b/src/OutputUHD.cpp @@ -39,27 +39,29 @@ typedef std::complex<float> complexf; -OutputUHD::OutputUHD(const char* device, unsigned sampleRate, - double frequency, int txgain, bool enableSync, bool muteNoTimestamps, +OutputUHD::OutputUHD( + OutputUHDConfig& config, Logger& logger) : ModOutput(ModFormat(1), ModFormat(0)), RemoteControllable("uhd"), - myLogger(logger), - mySampleRate(sampleRate), - myTxGain(txgain), - myFrequency(frequency), - mute_no_timestamps(muteNoTimestamps), - enable_sync(enableSync) + myLogger(logger) { + + mySampleRate = config.sampleRate; + myTxGain = config.txgain; + myFrequency = config.frequency; + mute_no_timestamps = config.muteNoTimestamps; + enable_sync = config.enableSync; + myDevice = config.device; + MDEBUG("OutputUHD::OutputUHD(device: %s) @ %p\n", - device, this); + myDevice.c_str(), this); /* register the parameters that can be remote controlled */ RC_ADD_PARAMETER(txgain, "UHD analog daughterboard TX gain"); RC_ADD_PARAMETER(freq, "UHD transmission frequency"); RC_ADD_PARAMETER(muting, "mute the output by stopping the transmitter"); - myDevice = device; #if ENABLE_UHD uhd::set_thread_priority_safe(); @@ -67,34 +69,69 @@ OutputUHD::OutputUHD(const char* device, unsigned sampleRate, //create a usrp device MDEBUG("OutputUHD:Creating the usrp device with: %s...\n", myDevice.c_str()); - //try { - myUsrp = uhd::usrp::multi_usrp::make(myDevice); - /*} - catch (std::exception &e) { - fprintf(stderr, "FLABBER FLABBER FLABBER\n"); - }*/ + + myUsrp = uhd::usrp::multi_usrp::make(myDevice); + MDEBUG("OutputUHD:Using device: %s...\n", myUsrp->get_pp_string().c_str()); - if (enable_sync) { - MDEBUG("OutputUHD:Setting REFCLK and PPS input...\n"); - uhd::clock_config_t clock_config; + MDEBUG("OutputUHD:Setting REFCLK and PPS input...\n"); + uhd::clock_config_t clock_config; + + if (config.refclk_src == "auto") { + clock_config.ref_source = uhd::clock_config_t::REF_AUTO; + } + else if (config.refclk_src == "int") { + clock_config.ref_source = uhd::clock_config_t::REF_INT; + } + else if (config.refclk_src == "sma") { clock_config.ref_source = uhd::clock_config_t::REF_SMA; + } + else if (config.refclk_src == "mimo") { + clock_config.ref_source = uhd::clock_config_t::REF_MIMO; + } + else { + myLogger(error, "OutputUHD: invalid refclk_src specified"); + throw runtime_error("OutputUHD: invalid refclk_src specified"); + } + + if (config.pps_src == "int") { + clock_config.pps_source = uhd::clock_config_t::PPS_INT; + } + else if (config.pps_src == "sma") { clock_config.pps_source = uhd::clock_config_t::PPS_SMA; + } + else if (config.pps_src == "mimo") { + clock_config.pps_source = uhd::clock_config_t::PPS_MIMO; + } + else { + myLogger(error, "OutputUHD: invalid pps_src specified"); + throw runtime_error("OutputUHD: invalid pps_src specified"); + } + + if (config.pps_polarity == "pos") { clock_config.pps_polarity = uhd::clock_config_t::PPS_POS; - myUsrp->set_clock_config(clock_config, uhd::usrp::multi_usrp::ALL_MBOARDS); } + else if (config.pps_polarity == "neg") { + clock_config.pps_polarity = uhd::clock_config_t::PPS_NEG; + } + else { + myLogger(error, "OutputUHD: invalid pps_polarity specified"); + throw runtime_error("OutputUHD: invalid pps_polarity specified"); + } + + myUsrp->set_clock_config(clock_config, uhd::usrp::multi_usrp::ALL_MBOARDS); std::cerr << "UHD clock source is " << - myUsrp->get_clock_source(0) << std::endl; + myUsrp->get_clock_source(0) << std::endl; std::cerr << "UHD time source is " << - myUsrp->get_time_source(0) << std::endl; + myUsrp->get_time_source(0) << std::endl; //set the tx sample rate MDEBUG("OutputUHD:Setting rate to %d...\n", mySampleRate); myUsrp->set_tx_rate(mySampleRate); MDEBUG("OutputUHD:Actual TX Rate: %f Msps...\n", myUsrp->get_tx_rate()); - + //set the centre frequency MDEBUG("OutputUHD:Setting freq to %f...\n", myFrequency); myUsrp->set_tx_freq(myFrequency); @@ -141,8 +178,8 @@ OutputUHD::OutputUHD(const char* device, unsigned sampleRate, fprintf(stderr, "OutputUHD: USRP time %f\n", myUsrp->get_time_now().get_real_secs()); } - - + + // preparing output thread worker data uwd.myUsrp = myUsrp; #else @@ -155,6 +192,8 @@ OutputUHD::OutputUHD(const char* device, unsigned sampleRate, uwd.sampleRate = mySampleRate; uwd.sourceContainsTimestamp = false; uwd.muteNoTimestamps = mute_no_timestamps; + uwd.logger = &myLogger; + uwd.refclk_lock_loss_behaviour = config.refclk_lock_loss_behaviour; // Since we don't know the buffer size, we cannot initialise // the buffers here @@ -182,6 +221,7 @@ int OutputUHD::process(Buffer* dataIn, Buffer* dataOut) uwd.muting = myMuting; + // On the first call, we must do some allocation and we must fill // the first buffer // We will only wait on the barrier on the subsequent calls to @@ -222,7 +262,7 @@ int OutputUHD::process(Buffer* dataIn, Buffer* dataOut) } //fprintf(stderr, "OutUHD.process:Waiting for barrier\n"); my_sync_barrier.get()->wait(); - + // write into the our buffer while // the worker sends the other. @@ -310,12 +350,15 @@ void UHDWorker::process(struct UHDWorkerData *uwd) tx_second = frame->ts.timestamp_sec; sizeIn = uwd->bufsize / sizeof(complexf); - + #if ENABLE_UHD // Check for ref_lock if (! uwd->myUsrp->get_mboard_sensor("ref_locked", 0).to_bool()) { fprintf(stderr, "UHDWorker: RefLock lost !\n"); uwd->logger->log(alert, "OutputUHD: External reference clock lock lost !"); + if (uwd->refclk_lock_loss_behaviour == CRASH) { + throw std::runtime_error("OutputUHD: External reference clock lock lost."); + } } usrp_time = uwd->myUsrp->get_time_now().get_real_secs(); @@ -338,29 +381,29 @@ void UHDWorker::process(struct UHDWorkerData *uwd) md.has_time_spec = true; md.time_spec = uhd::time_spec_t(tx_second, pps_offset); - + // md is defined, let's do some checks if (md.time_spec.get_real_secs() + 0.2 < usrp_time) { fprintf(stderr, - "* Timestamp in the past! offset: %f" - " (%f) frame %d tx_second %zu; pps %f\n", - md.time_spec.get_real_secs() - usrp_time, - usrp_time, frame->fct, tx_second, pps_offset); + "* Timestamp in the past! offset: %f" + " (%f) frame %d tx_second %zu; pps %f\n", + md.time_spec.get_real_secs() - usrp_time, + usrp_time, frame->fct, tx_second, pps_offset); goto loopend; //skip the frame } #if ENABLE_UHD if (md.time_spec.get_real_secs() > usrp_time + TIMESTAMP_MARGIN_FUTURE) { fprintf(stderr, - "* Timestamp too far in the future! offset: %f\n", - md.time_spec.get_real_secs() - usrp_time); + "* Timestamp too far in the future! offset: %f\n", + md.time_spec.get_real_secs() - usrp_time); usleep(20000); //sleep so as to fill buffers } if (md.time_spec.get_real_secs() > usrp_time + TIMESTAMP_ABORT_FUTURE) { fprintf(stderr, - "* Timestamp way too far in the future! offset: %f\n", - md.time_spec.get_real_secs() - usrp_time); + "* Timestamp way too far in the future! offset: %f\n", + md.time_spec.get_real_secs() - usrp_time); fprintf(stderr, "* Aborting\n"); uwd->logger->log(error, "OutputUHD: timestamp is way to far in the future, aborting"); throw std::runtime_error("Timestamp error. Aborted."); @@ -377,7 +420,7 @@ void UHDWorker::process(struct UHDWorkerData *uwd) else { // !uwd->sourceContainsTimestamp if (uwd->muting || uwd->muteNoTimestamps) { /* There was some error decoding the timestamp - */ + */ fprintf(stderr, "UHDOut: Muting sample %d : no timestamp\n", frame->fct); usleep(20000); @@ -390,11 +433,11 @@ void UHDWorker::process(struct UHDWorkerData *uwd) myTxStream->get_max_num_samps()); /* - size_t num_tx_samps = myTxStream->send( - dataIn, sizeIn, md, timeout); + size_t num_tx_samps = myTxStream->send( + dataIn, sizeIn, md, timeout); - MDEBUG("UHDWorker::process:num_tx_samps: %zu.\n", num_tx_samps); - */ + MDEBUG("UHDWorker::process:num_tx_samps: %zu.\n", num_tx_samps); + */ while (running && !uwd->muting && (num_acc_samps < sizeIn)) { size_t samps_to_send = std::min(sizeIn - num_acc_samps, bufsize); @@ -410,13 +453,13 @@ void UHDWorker::process(struct UHDWorkerData *uwd) num_acc_samps += num_tx_samps; md.time_spec = uhd::time_spec_t(tx_second, pps_offset) - + uhd::time_spec_t(0, num_acc_samps/uwd->sampleRate); + + uhd::time_spec_t(0, num_acc_samps/uwd->sampleRate); /* - fprintf(stderr, "*** pps_offset %f, md.time_spec %f, usrp->now %f\n", - pps_offset, - md.time_spec.get_real_secs(), - uwd->myUsrp->get_time_now().get_real_secs()); + fprintf(stderr, "*** pps_offset %f, md.time_spec %f, usrp->now %f\n", + pps_offset, + md.time_spec.get_real_secs(), + uwd->myUsrp->get_time_now().get_real_secs()); // */ @@ -485,10 +528,10 @@ void UHDWorker::process(struct UHDWorkerData *uwd) } /* - bool got_async_burst_ack = false; + bool got_async_burst_ack = false; //loop through all messages for the ACK packet (may have underflow messages in queue) while (not got_async_burst_ack and uwd->myUsrp->get_device()->recv_async_msg(async_md, 0.2)){ - got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); + got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); } //std::cerr << (got_async_burst_ack? "success" : "fail") << std::endl; // */ |