diff options
Diffstat (limited to 'host/examples')
-rw-r--r-- | host/examples/benchmark_rate.cpp | 62 | ||||
-rw-r--r-- | host/examples/latency_test.cpp | 6 | ||||
-rw-r--r-- | host/examples/network_relay.cpp | 5 | ||||
-rw-r--r-- | host/examples/rx_ascii_art_dft.cpp | 13 | ||||
-rw-r--r-- | host/examples/rx_multi_samples.cpp | 4 | ||||
-rw-r--r-- | host/examples/rx_samples_to_file.cpp | 211 | ||||
-rw-r--r-- | host/examples/rx_samples_to_udp.cpp | 4 | ||||
-rw-r--r-- | host/examples/rx_timed_samples.cpp | 4 | ||||
-rw-r--r-- | host/examples/test_dboard_coercion.cpp | 2 | ||||
-rw-r--r-- | host/examples/test_messages.cpp | 22 | ||||
-rw-r--r-- | host/examples/test_pps_input.cpp | 10 | ||||
-rw-r--r-- | host/examples/test_timed_commands.cpp | 4 | ||||
-rw-r--r-- | host/examples/transport_hammer.cpp | 49 | ||||
-rw-r--r-- | host/examples/tx_bursts.cpp | 4 | ||||
-rw-r--r-- | host/examples/tx_samples_from_file.cpp | 2 | ||||
-rw-r--r-- | host/examples/tx_timed_samples.cpp | 4 | ||||
-rw-r--r-- | host/examples/tx_waveforms.cpp | 2 | ||||
-rw-r--r-- | host/examples/txrx_loopback_to_file.cpp | 4 |
18 files changed, 272 insertions, 140 deletions
diff --git a/host/examples/benchmark_rate.cpp b/host/examples/benchmark_rate.cpp index 8a000f6c3..02e5ef60a 100644 --- a/host/examples/benchmark_rate.cpp +++ b/host/examples/benchmark_rate.cpp @@ -22,9 +22,9 @@ #include <boost/program_options.hpp> #include <boost/format.hpp> #include <boost/thread/thread.hpp> -#include <boost/math/special_functions/round.hpp> #include <iostream> #include <complex> +#include <cstdlib> namespace po = boost::program_options; @@ -41,26 +41,20 @@ unsigned long long num_seq_errors = 0; /*********************************************************************** * Benchmark RX Rate **********************************************************************/ -void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, const std::string &rx_otw){ +void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, uhd::rx_streamer::sptr rx_stream){ uhd::set_thread_priority_safe(); - //create a receive streamer - uhd::stream_args_t stream_args(rx_cpu, rx_otw); - for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping - stream_args.channels.push_back(ch); - uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); - //print pre-test summary std::cout << boost::format( - "Testing receive rate %f Msps" - ) % (usrp->get_rx_rate()/1e6) << std::endl; + "Testing receive rate %f Msps on %u channels" + ) % (usrp->get_rx_rate()/1e6) % rx_stream->get_num_channels() << std::endl; //setup variables and allocate buffer uhd::rx_metadata_t md; const size_t max_samps_per_packet = rx_stream->get_max_num_samps(); std::vector<char> buff(max_samps_per_packet*uhd::convert::get_bytes_per_item(rx_cpu)); std::vector<void *> buffs; - for (size_t ch = 0; ch < stream_args.channels.size(); ch++) + for (size_t ch = 0; ch < rx_stream->get_num_channels(); ch++) buffs.push_back(&buff.front()); //same buffer for each channel bool had_an_overflow = false; uhd::time_spec_t last_time; @@ -69,16 +63,16 @@ void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_c uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); cmd.time_spec = usrp->get_time_now() + uhd::time_spec_t(0.05); cmd.stream_now = (buffs.size() == 1); - usrp->issue_stream_cmd(cmd); + rx_stream->issue_stream_cmd(cmd); while (not boost::this_thread::interruption_requested()){ - num_rx_samps += rx_stream->recv(buffs, max_samps_per_packet, md); + num_rx_samps += rx_stream->recv(buffs, max_samps_per_packet, md)*rx_stream->get_num_channels(); //handle the error codes switch(md.error_code){ case uhd::rx_metadata_t::ERROR_CODE_NONE: if (had_an_overflow){ had_an_overflow = false; - num_dropped_samps += boost::math::iround((md.time_spec - last_time).get_real_secs()*rate); + num_dropped_samps += (md.time_spec - last_time).to_ticks(rate); } break; @@ -95,25 +89,19 @@ void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_c } } - usrp->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); + rx_stream->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); } /*********************************************************************** * Benchmark TX Rate **********************************************************************/ -void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, const std::string &tx_otw){ +void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, uhd::tx_streamer::sptr tx_stream){ uhd::set_thread_priority_safe(); - //create a transmit streamer - uhd::stream_args_t stream_args(tx_cpu, tx_otw); - for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping - stream_args.channels.push_back(ch); - uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); - //print pre-test summary std::cout << boost::format( - "Testing transmit rate %f Msps" - ) % (usrp->get_tx_rate()/1e6) << std::endl; + "Testing transmit rate %f Msps on %u channels" + ) % (usrp->get_tx_rate()/1e6) % tx_stream->get_num_channels() << std::endl; //setup variables and allocate buffer uhd::tx_metadata_t md; @@ -121,12 +109,12 @@ void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_c const size_t max_samps_per_packet = tx_stream->get_max_num_samps(); std::vector<char> buff(max_samps_per_packet*uhd::convert::get_bytes_per_item(tx_cpu)); std::vector<const void *> buffs; - for (size_t ch = 0; ch < stream_args.channels.size(); ch++) + for (size_t ch = 0; ch < tx_stream->get_num_channels(); ch++) buffs.push_back(&buff.front()); //same buffer for each channel md.has_time_spec = (buffs.size() != 1); while (not boost::this_thread::interruption_requested()){ - num_tx_samps += tx_stream->send(buffs, max_samps_per_packet, md); + num_tx_samps += tx_stream->send(buffs, max_samps_per_packet, md)*tx_stream->get_num_channels();; md.has_time_spec = false; } @@ -135,13 +123,13 @@ void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_c tx_stream->send(buffs, 0, md); } -void benchmark_tx_rate_async_helper(uhd::usrp::multi_usrp::sptr usrp){ +void benchmark_tx_rate_async_helper(uhd::tx_streamer::sptr tx_stream){ //setup variables and allocate buffer uhd::async_metadata_t async_md; while (not boost::this_thread::interruption_requested()){ - if (not usrp->get_device()->recv_async_msg(async_md)) continue; + if (not tx_stream->recv_async_msg(async_md)) continue; //handle the error codes switch(async_md.event_code){ @@ -231,14 +219,24 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //spawn the receive test thread if (vm.count("rx_rate")){ usrp->set_rx_rate(rx_rate); - thread_group.create_thread(boost::bind(&benchmark_rx_rate, usrp, rx_cpu, rx_otw)); + //create a receive streamer + uhd::stream_args_t stream_args(rx_cpu, rx_otw); + for (size_t ch = 0; ch < usrp->get_rx_num_channels(); ch++) //linear channel mapping + stream_args.channels.push_back(ch); + uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); + thread_group.create_thread(boost::bind(&benchmark_rx_rate, usrp, rx_cpu, rx_stream)); } //spawn the transmit test thread if (vm.count("tx_rate")){ usrp->set_tx_rate(tx_rate); - thread_group.create_thread(boost::bind(&benchmark_tx_rate, usrp, tx_cpu, tx_otw)); - thread_group.create_thread(boost::bind(&benchmark_tx_rate_async_helper, usrp)); + //create a transmit streamer + uhd::stream_args_t stream_args(tx_cpu, tx_otw); + for (size_t ch = 0; ch < usrp->get_tx_num_channels(); ch++) //linear channel mapping + stream_args.channels.push_back(ch); + uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); + thread_group.create_thread(boost::bind(&benchmark_tx_rate, usrp, tx_cpu, tx_stream)); + thread_group.create_thread(boost::bind(&benchmark_tx_rate_async_helper, tx_stream)); } //sleep for the required duration @@ -264,5 +262,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/latency_test.cpp b/host/examples/latency_test.cpp index 518d2383a..da06086f9 100644 --- a/host/examples/latency_test.cpp +++ b/host/examples/latency_test.cpp @@ -103,7 +103,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ stream_cmd.num_samps = buffer.size(); stream_cmd.stream_now = false; stream_cmd.time_spec = usrp->get_time_now() + uhd::time_spec_t(0.01); - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); /*************************************************************** * Receive the requested packet @@ -133,7 +133,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ * Check the async messages for result **************************************************************/ uhd::async_metadata_t async_md; - if (not usrp->get_device()->recv_async_msg(async_md)){ + if (not tx_stream->recv_async_msg(async_md)){ std::cout << boost::format("failed:\n Async message recv timed out.\n") << std::endl; continue; } @@ -164,5 +164,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ **************************************************************/ std::cout << boost::format("\nACK %d, UNDERFLOW %d, TIME_ERR %d, other %d") % ack % underflow % time_error % other << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/network_relay.cpp b/host/examples/network_relay.cpp index e8f9e667f..bb09296b3 100644 --- a/host/examples/network_relay.cpp +++ b/host/examples/network_relay.cpp @@ -24,6 +24,7 @@ #include <iostream> #include <csignal> #include <vector> +#include <cstdlib> namespace po = boost::program_options; namespace asio = boost::asio; @@ -202,7 +203,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ << "Runs a network relay between UHD on one computer and a USRP on the network.\n" << "This example is basically for test purposes. Use at your own convenience.\n" << std::endl; - return ~0; + return EXIT_FAILURE; } { @@ -223,5 +224,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/rx_ascii_art_dft.cpp b/host/examples/rx_ascii_art_dft.cpp index fe8fb0347..df3256b09 100644 --- a/host/examples/rx_ascii_art_dft.cpp +++ b/host/examples/rx_ascii_art_dft.cpp @@ -25,6 +25,7 @@ #include <curses.h> #include <iostream> #include <complex> +#include <cstdlib> namespace po = boost::program_options; @@ -63,7 +64,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //print the help message if (vm.count("help") or not vm.count("rate")){ std::cout << boost::format("UHD RX ASCII Art DFT %s") % desc << std::endl; - return ~0; + return EXIT_FAILURE; } //create a usrp device @@ -82,7 +83,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //set the sample rate if (not vm.count("rate")){ std::cerr << "Please specify the sample rate with --rate" << std::endl; - return ~0; + return EXIT_FAILURE; } std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl; usrp->set_rx_rate(rate); @@ -91,7 +92,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //set the center frequency if (not vm.count("freq")){ std::cerr << "Please specify the center frequency with --freq" << std::endl; - return ~0; + return EXIT_FAILURE; } std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl; usrp->set_rx_freq(freq); @@ -147,7 +148,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //-- Initialize //------------------------------------------------------------------ initscr(); //curses init - usrp->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); + rx_stream->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); boost::system_time next_refresh = boost::get_system_time(); //------------------------------------------------------------------ @@ -188,11 +189,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //------------------------------------------------------------------ //-- Cleanup //------------------------------------------------------------------ - usrp->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); + rx_stream->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); endwin(); //curses done //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/rx_multi_samples.cpp b/host/examples/rx_multi_samples.cpp index 42ef33d70..4f312ad36 100644 --- a/host/examples/rx_multi_samples.cpp +++ b/host/examples/rx_multi_samples.cpp @@ -126,7 +126,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ stream_cmd.num_samps = total_num_samps; stream_cmd.stream_now = false; stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future); - usrp->issue_stream_cmd(stream_cmd); //tells all channels to stream + rx_stream->issue_stream_cmd(stream_cmd); //tells all channels to stream //meta-data will be filled in by recv() uhd::rx_metadata_t md; @@ -174,5 +174,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp index 5197bfe69..b0e498125 100644 --- a/host/examples/rx_samples_to_file.cpp +++ b/host/examples/rx_samples_to_file.cpp @@ -38,16 +38,24 @@ template<typename samp_type> void recv_to_file( const std::string &wire_format, const std::string &file, size_t samps_per_buff, - int num_requested_samples + unsigned long long num_requested_samples, + double time_requested = 0.0, + bool bw_summary = false, + bool stats = false, + bool null = false, + bool enable_size_map = false, + bool continue_on_bad_packet = false ){ - int num_total_samps = 0; + unsigned long long num_total_samps = 0; //create a receive streamer uhd::stream_args_t stream_args(cpu_format,wire_format); uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); uhd::rx_metadata_t md; std::vector<samp_type> buff(samps_per_buff); - std::ofstream outfile(file.c_str(), std::ofstream::binary); + std::ofstream outfile; + if (not null) + outfile.open(file.c_str(), std::ofstream::binary); bool overflow_message = true; //setup streaming @@ -58,10 +66,21 @@ template<typename samp_type> void recv_to_file( stream_cmd.num_samps = num_requested_samples; stream_cmd.stream_now = true; stream_cmd.time_spec = uhd::time_spec_t(); - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); + + boost::system_time start = boost::get_system_time(); + unsigned long long ticks_requested = (long)(time_requested * (double)boost::posix_time::time_duration::ticks_per_second()); + boost::posix_time::time_duration ticks_diff; + boost::system_time last_update = start; + unsigned long long last_update_samps = 0; + + typedef std::map<size_t,size_t> SizeMap; + SizeMap mapSizes; while(not stop_signal_called and (num_requested_samples != num_total_samps or num_requested_samples == 0)){ - size_t num_rx_samps = rx_stream->recv(&buff.front(), buff.size(), md, 3.0); + boost::system_time now = boost::get_system_time(); + + size_t num_rx_samps = rx_stream->recv(&buff.front(), buff.size(), md, 3.0, enable_size_map); if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) { std::cout << boost::format("Timeout while streaming") << std::endl; @@ -81,17 +100,113 @@ template<typename samp_type> void recv_to_file( continue; } if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE){ - throw std::runtime_error(str(boost::format( + std::string error = str(boost::format( "Unexpected error code 0x%x" - ) % md.error_code)); + ) % md.error_code); + + if (continue_on_bad_packet){ + std::cerr << error << std::endl; + continue; + } + else + throw std::runtime_error(error); } + + if (enable_size_map){ + SizeMap::iterator it = mapSizes.find(num_rx_samps); + if (it == mapSizes.end()) + mapSizes[num_rx_samps] = 0; + mapSizes[num_rx_samps] += 1; + } num_total_samps += num_rx_samps; - outfile.write((const char*)&buff.front(), num_rx_samps*sizeof(samp_type)); + if (outfile.is_open()) + outfile.write((const char*)&buff.front(), num_rx_samps*sizeof(samp_type)); + + if (bw_summary){ + last_update_samps += num_rx_samps; + boost::posix_time::time_duration update_diff = now - last_update; + if (update_diff.ticks() > boost::posix_time::time_duration::ticks_per_second()) { + double t = (double)update_diff.ticks() / (double)boost::posix_time::time_duration::ticks_per_second(); + double r = (double)last_update_samps / t; + std::cout << boost::format("\t%f Msps") % (r/1e6) << std::endl; + last_update_samps = 0; + last_update = now; + } + } + + ticks_diff = now - start; + if (ticks_requested > 0){ + if ((unsigned long long)ticks_diff.ticks() > ticks_requested) + break; + } } + + if (outfile.is_open()) + outfile.close(); + + if (stats){ + std::cout << std::endl; - outfile.close(); + double t = (double)ticks_diff.ticks() / (double)boost::posix_time::time_duration::ticks_per_second(); + std::cout << boost::format("Received %d samples in %f seconds") % num_total_samps % t << std::endl; + double r = (double)num_total_samps / t; + std::cout << boost::format("%f Msps") % (r/1e6) << std::endl; + + if (enable_size_map) { + std::cout << std::endl; + std::cout << "Packet size map (bytes: count)" << std::endl; + for (SizeMap::iterator it = mapSizes.begin(); it != mapSizes.end(); it++) + std::cout << it->first << ":\t" << it->second << std::endl; + } + } +} + +typedef boost::function<uhd::sensor_value_t (const std::string&)> get_sensor_fn_t; + +bool check_locked_sensor(std::vector<std::string> sensor_names, const char* sensor_name, get_sensor_fn_t get_sensor_fn, double setup_time){ + if (std::find(sensor_names.begin(), sensor_names.end(), sensor_name) == sensor_names.end()) + return false; + + boost::system_time start = boost::get_system_time(); + boost::system_time first_lock_time; + + std::cout << boost::format("Waiting for \"%s\": ") % sensor_name; + std::cout.flush(); + + while (true){ + if ((not first_lock_time.is_not_a_date_time()) and + (boost::get_system_time() > (first_lock_time + boost::posix_time::seconds(setup_time)))) + { + std::cout << " locked." << std::endl; + break; + } + + if (get_sensor_fn(sensor_name).to_bool()){ + if (first_lock_time.is_not_a_date_time()) + first_lock_time = boost::get_system_time(); + std::cout << "+"; + std::cout.flush(); + } + else{ + first_lock_time = boost::system_time(); //reset to 'not a date time' + + if (boost::get_system_time() > (start + boost::posix_time::seconds(setup_time))){ + std::cout << std::endl; + throw std::runtime_error(str(boost::format("timed out waiting for consecutive locks on sensor \"%s\"") % sensor_name)); + } + + std::cout << "_"; + std::cout.flush(); + } + + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + } + + std::cout << std::endl; + + return true; } int UHD_SAFE_MAIN(int argc, char *argv[]){ @@ -100,7 +215,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //variables to be set by po std::string args, file, type, ant, subdev, ref, wirefmt; size_t total_num_samps, spb; - double rate, freq, gain, bw; + double rate, freq, gain, bw, total_time, setup_time; //setup the program options po::options_description desc("Allowed options"); @@ -110,15 +225,23 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("file", po::value<std::string>(&file)->default_value("usrp_samples.dat"), "name of the file to write binary samples to") ("type", po::value<std::string>(&type)->default_value("short"), "sample type: double, float, or short") ("nsamps", po::value<size_t>(&total_num_samps)->default_value(0), "total number of samples to receive") + ("time", po::value<double>(&total_time)->default_value(0), "total number of seconds to receive") ("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer") - ("rate", po::value<double>(&rate), "rate of incoming samples") - ("freq", po::value<double>(&freq), "RF center frequency in Hz") + ("rate", po::value<double>(&rate)->default_value(1e6), "rate of incoming samples") + ("freq", po::value<double>(&freq)->default_value(0.0), "RF center frequency in Hz") ("gain", po::value<double>(&gain), "gain for the RF chain") ("ant", po::value<std::string>(&ant), "daughterboard antenna selection") ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification") ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz") ("ref", po::value<std::string>(&ref)->default_value("internal"), "waveform type (internal, external, mimo)") ("wirefmt", po::value<std::string>(&wirefmt)->default_value("sc16"), "wire format (sc8 or sc16)") + ("setup", po::value<double>(&setup_time)->default_value(1.0), "seconds of setup time") + ("progress", "show average bandwidth on exit") + ("stats", "periodically display short-term bandwidth") + ("sizemap", "track packet size and display breakdown on exit") + ("null", "run without writing to file") + ("continue", "don't abort on a bad packet") + ("skip-lo", "skip checking LO lock status") ; po::variables_map vm; po::store(po::parse_command_line(argc, argv, desc), vm); @@ -129,6 +252,15 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ std::cout << boost::format("UHD RX samples to file %s") % desc << std::endl; return ~0; } + + bool bw_summary = vm.count("progress") > 0; + bool stats = vm.count("stats") > 0; + bool null = vm.count("null") > 0; + bool enable_size_map = vm.count("sizemap") > 0; + bool continue_on_bad_packet = vm.count("continue") > 0; + + if (enable_size_map) + std::cout << "Packet size tracking enabled - will only recv one packet at a time!" << std::endl; //create a usrp device std::cout << std::endl; @@ -144,8 +276,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl; //set the sample rate - if (not vm.count("rate")){ - std::cerr << "Please specify the sample rate with --rate" << std::endl; + if (rate <= 0.0){ + std::cerr << "Please specify a valid sample rate" << std::endl; return ~0; } std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl; @@ -153,13 +285,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->get_rx_rate()/1e6) << std::endl << std::endl; //set the center frequency - if (not vm.count("freq")){ - std::cerr << "Please specify the center frequency with --freq" << std::endl; - return ~0; - } - std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl; - usrp->set_rx_freq(freq); - std::cout << boost::format("Actual RX Freq: %f MHz...") % (usrp->get_rx_freq()/1e6) << std::endl << std::endl; + if (vm.count("freq")){ //with default of 0.0 this will always be true + std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl; + usrp->set_rx_freq(freq); + std::cout << boost::format("Actual RX Freq: %f MHz...") % (usrp->get_rx_freq()/1e6) << std::endl << std::endl; + } //set the rf gain if (vm.count("gain")){ @@ -178,41 +308,32 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //set the antenna if (vm.count("ant")) usrp->set_rx_antenna(ant); - boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time + boost::this_thread::sleep(boost::posix_time::seconds(setup_time)); //allow for some setup time - //Check Ref and LO Lock detect - std::vector<std::string> sensor_names; - sensor_names = usrp->get_rx_sensor_names(0); - if (std::find(sensor_names.begin(), sensor_names.end(), "lo_locked") != sensor_names.end()) { - uhd::sensor_value_t lo_locked = usrp->get_rx_sensor("lo_locked",0); - std::cout << boost::format("Checking RX: %s ...") % lo_locked.to_pp_string() << std::endl; - UHD_ASSERT_THROW(lo_locked.to_bool()); - } - sensor_names = usrp->get_mboard_sensor_names(0); - if ((ref == "mimo") and (std::find(sensor_names.begin(), sensor_names.end(), "mimo_locked") != sensor_names.end())) { - uhd::sensor_value_t mimo_locked = usrp->get_mboard_sensor("mimo_locked",0); - std::cout << boost::format("Checking RX: %s ...") % mimo_locked.to_pp_string() << std::endl; - UHD_ASSERT_THROW(mimo_locked.to_bool()); - } - if ((ref == "external") and (std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end())) { - uhd::sensor_value_t ref_locked = usrp->get_mboard_sensor("ref_locked",0); - std::cout << boost::format("Checking RX: %s ...") % ref_locked.to_pp_string() << std::endl; - UHD_ASSERT_THROW(ref_locked.to_bool()); - } + //check Ref and LO Lock detect + if (not vm.count("skip-lo")){ + check_locked_sensor(usrp->get_rx_sensor_names(0), "lo_locked", boost::bind(&uhd::usrp::multi_usrp::get_rx_sensor, usrp, _1, 0), setup_time); + if (ref == "mimo") + check_locked_sensor(usrp->get_mboard_sensor_names(0), "mimo_locked", boost::bind(&uhd::usrp::multi_usrp::get_mboard_sensor, usrp, _1, 0), setup_time); + if (ref == "external") + check_locked_sensor(usrp->get_mboard_sensor_names(0), "ref_locked", boost::bind(&uhd::usrp::multi_usrp::get_mboard_sensor, usrp, _1, 0), setup_time); + } if (total_num_samps == 0){ std::signal(SIGINT, &sig_int_handler); std::cout << "Press Ctrl + C to stop streaming..." << std::endl; } +#define recv_to_file_args(format) \ + (usrp, format, wirefmt, file, spb, total_num_samps, total_time, bw_summary, stats, null, enable_size_map, continue_on_bad_packet) //recv to file - if (type == "double") recv_to_file<std::complex<double> >(usrp, "fc64", wirefmt, file, spb, total_num_samps); - else if (type == "float") recv_to_file<std::complex<float> >(usrp, "fc32", wirefmt, file, spb, total_num_samps); - else if (type == "short") recv_to_file<std::complex<short> >(usrp, "sc16", wirefmt, file, spb, total_num_samps); + if (type == "double") recv_to_file<std::complex<double> >recv_to_file_args("fc64"); + else if (type == "float") recv_to_file<std::complex<float> >recv_to_file_args("fc32"); + else if (type == "short") recv_to_file<std::complex<short> >recv_to_file_args("sc16"); else throw std::runtime_error("Unknown type " + type); //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/rx_samples_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp index 2acaa5d8b..0b3c6dce3 100644 --- a/host/examples/rx_samples_to_udp.cpp +++ b/host/examples/rx_samples_to_udp.cpp @@ -127,7 +127,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE); stream_cmd.num_samps = total_num_samps; stream_cmd.stream_now = true; - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); //loop until total number of samples reached size_t num_acc_samps = 0; //number of accumulated samples @@ -168,5 +168,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp index 143bceb03..0eea2ffee 100644 --- a/host/examples/rx_timed_samples.cpp +++ b/host/examples/rx_timed_samples.cpp @@ -83,7 +83,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ stream_cmd.num_samps = total_num_samps; stream_cmd.stream_now = false; stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future); - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); //meta-data will be filled in by recv() uhd::rx_metadata_t md; @@ -124,5 +124,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/test_dboard_coercion.cpp b/host/examples/test_dboard_coercion.cpp index 5b1e9f0e2..cfc745147 100644 --- a/host/examples/test_dboard_coercion.cpp +++ b/host/examples/test_dboard_coercion.cpp @@ -573,5 +573,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ if(test_tx and test_rx) std::cout << std::endl; if(test_rx) std::cout << rx_results << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/test_messages.cpp b/host/examples/test_messages.cpp index afb092092..e39a8bd30 100644 --- a/host/examples/test_messages.cpp +++ b/host/examples/test_messages.cpp @@ -46,7 +46,7 @@ bool test_late_command_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streame stream_cmd.num_samps = rx_stream->get_max_num_samps(); stream_cmd.stream_now = false; stream_cmd.time_spec = uhd::time_spec_t(100.0); //time in the past - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps()); uhd::rx_metadata_t md; @@ -90,7 +90,7 @@ bool test_broken_chain_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streame uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_MORE); stream_cmd.stream_now = true; stream_cmd.num_samps = rx_stream->get_max_num_samps(); - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps()); uhd::rx_metadata_t md; @@ -132,7 +132,7 @@ bool test_broken_chain_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streame * Send a burst of many samples that will fragment internally. * We expect to get an burst ack async message. */ -bool test_burst_ack_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer::sptr, uhd::tx_streamer::sptr tx_stream){ +bool test_burst_ack_message(uhd::usrp::multi_usrp::sptr, uhd::rx_streamer::sptr, uhd::tx_streamer::sptr tx_stream){ std::cout << "Test burst ack message... " << std::flush; uhd::tx_metadata_t md; @@ -148,7 +148,7 @@ bool test_burst_ack_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer:: ); uhd::async_metadata_t async_md; - if (not usrp->get_device()->recv_async_msg(async_md)){ + if (not tx_stream->recv_async_msg(async_md)){ std::cout << boost::format( "failed:\n" " Async message recv timed out.\n" @@ -178,7 +178,7 @@ bool test_burst_ack_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer:: * Send a start of burst packet with no following end of burst. * We expect to get an underflow(within a burst) async message. */ -bool test_underflow_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer::sptr, uhd::tx_streamer::sptr tx_stream){ +bool test_underflow_message(uhd::usrp::multi_usrp::sptr, uhd::rx_streamer::sptr, uhd::tx_streamer::sptr tx_stream){ std::cout << "Test underflow message... " << std::flush; uhd::tx_metadata_t md; @@ -189,7 +189,7 @@ bool test_underflow_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer:: tx_stream->send("", 0, md); uhd::async_metadata_t async_md; - if (not usrp->get_device()->recv_async_msg(async_md, 1)){ + if (not tx_stream->recv_async_msg(async_md, 1)){ std::cout << boost::format( "failed:\n" " Async message recv timed out.\n" @@ -233,7 +233,7 @@ bool test_time_error_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer: tx_stream->send("", 0, md); uhd::async_metadata_t async_md; - if (not usrp->get_device()->recv_async_msg(async_md)){ + if (not tx_stream->recv_async_msg(async_md)){ std::cout << boost::format( "failed:\n" " Async message recv timed out.\n" @@ -258,9 +258,9 @@ bool test_time_error_message(uhd::usrp::multi_usrp::sptr usrp, uhd::rx_streamer: } } -void flush_async(uhd::usrp::multi_usrp::sptr usrp){ +void flush_async(uhd::tx_streamer::sptr tx_stream){ uhd::async_metadata_t async_md; - while (usrp->get_device()->recv_async_msg(async_md)){} + while (tx_stream->recv_async_msg(async_md)){} } void flush_recv(uhd::rx_streamer::sptr rx_stream){ @@ -331,7 +331,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ for (size_t n = 0; n < ntests; n++){ std::string key = tests.keys()[std::rand() % tests.size()]; bool pass = tests[key](usrp, rx_stream, tx_stream); - flush_async(usrp); + flush_async(tx_stream); flush_recv(rx_stream); //store result @@ -350,5 +350,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/test_pps_input.cpp b/host/examples/test_pps_input.cpp index 994b7ca87..889c98a45 100644 --- a/host/examples/test_pps_input.cpp +++ b/host/examples/test_pps_input.cpp @@ -31,12 +31,14 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //variables to be set by po std::string args; + std::string time_source; //setup the program options po::options_description desc("Allowed options"); desc.add_options() ("help", "help message") ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args") + ("source", po::value<std::string>(&time_source)->default_value(""), "the time source (gpsdo, external) or blank for default") ; po::variables_map vm; po::store(po::parse_command_line(argc, argv, desc), vm); @@ -54,9 +56,15 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args); std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl; + //sleep off if gpsdo detected and time next pps already set + boost::this_thread::sleep(boost::posix_time::seconds(1)); + + //set time source if specified + if (not time_source.empty()) usrp->set_time_source(time_source); + //set the time at an unknown pps (will throw if no pps) std::cout << std::endl << "Attempt to detect the PPS and set the time..." << std::endl << std::endl; usrp->set_time_unknown_pps(uhd::time_spec_t(0.0)); std::cout << std::endl << "Success!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/test_timed_commands.cpp b/host/examples/test_timed_commands.cpp index 34c83dfd6..5dee58887 100644 --- a/host/examples/test_timed_commands.cpp +++ b/host/examples/test_timed_commands.cpp @@ -97,7 +97,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ stream_cmd.stream_now = true; const uhd::time_spec_t stream_time = usrp->get_time_now() + uhd::time_spec_t(0.1); usrp->set_command_time(stream_time); - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); usrp->clear_command_time(); //meta-data will be filled in by recv() @@ -125,5 +125,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/transport_hammer.cpp b/host/examples/transport_hammer.cpp index e32912eaa..a44e81a82 100644 --- a/host/examples/transport_hammer.cpp +++ b/host/examples/transport_hammer.cpp @@ -41,15 +41,9 @@ unsigned long long num_seq_errors = 0; /*********************************************************************** * RX Hammer **********************************************************************/ -void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, const std::string &rx_otw){ +void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, uhd::rx_streamer::sptr rx_stream){ uhd::set_thread_priority_safe(); - //create a receive streamer - uhd::stream_args_t stream_args(rx_cpu, rx_otw); - for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping - stream_args.channels.push_back(ch); - uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); - //print pre-test summary std::cout << boost::format( "Testing receive rate %f Msps" @@ -60,7 +54,7 @@ void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, cons const size_t max_samps_per_packet = rx_stream->get_max_num_samps(); std::vector<char> buff(max_samps_per_packet*uhd::convert::get_bytes_per_item(rx_cpu)); std::vector<void *> buffs; - for (size_t ch = 0; ch < stream_args.channels.size(); ch++) + for (size_t ch = 0; ch < rx_stream->get_num_channels(); ch++) buffs.push_back(&buff.front()); //same buffer for each channel bool had_an_overflow = false; uhd::time_spec_t last_time; @@ -74,7 +68,7 @@ void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, cons while (not boost::this_thread::interruption_requested()){ cmd.num_samps = rand() % 100000; - usrp->issue_stream_cmd(cmd); + rx_stream->issue_stream_cmd(cmd); num_rx_samps += rx_stream->recv(buffs, max_samps_per_packet, md, timeout, true); //handle the error codes @@ -103,16 +97,15 @@ void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, cons /*********************************************************************** * TX Hammer **********************************************************************/ -void tx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, const std::string &tx_otw){ +void tx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, uhd::tx_streamer::sptr tx_stream){ uhd::set_thread_priority_safe(); - //create a transmit streamer - uhd::stream_args_t stream_args(tx_cpu, tx_otw); - for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping - stream_args.channels.push_back(ch); - uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); uhd::tx_metadata_t md; - std::vector<std::complex<float> > buff(10000); + const size_t max_samps_per_packet = tx_stream->get_max_num_samps(); + std::vector<char> buff(max_samps_per_packet*uhd::convert::get_bytes_per_item(tx_cpu)); + std::vector<void *> buffs; + for (size_t ch = 0; ch < tx_stream->get_num_channels(); ch++) + buffs.push_back(&buff.front()); //same buffer for each channel //print pre-test summary std::cout << boost::format( @@ -130,7 +123,7 @@ void tx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, cons while(num_acc_samps < total_num_samps){ //send a single packet - num_tx_samps += tx_stream->send(&buff, tx_stream->get_max_num_samps(), md, timeout); + num_tx_samps += tx_stream->send(buffs, max_samps_per_packet, md, timeout); num_acc_samps += std::min(total_num_samps-num_acc_samps, tx_stream->get_max_num_samps()); } @@ -140,13 +133,13 @@ void tx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, cons } } -void tx_hammer_async_helper(uhd::usrp::multi_usrp::sptr usrp){ +void tx_hammer_async_helper(uhd::tx_streamer::sptr tx_stream){ //setup variables and allocate buffer uhd::async_metadata_t async_md; while (not boost::this_thread::interruption_requested()){ - if (not usrp->get_device()->recv_async_msg(async_md)) continue; + if (not tx_stream->recv_async_msg(async_md)) continue; //handle the error codes switch(async_md.event_code){ @@ -239,14 +232,24 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //spawn the receive test thread if (vm.count("rx_rate")){ usrp->set_rx_rate(rx_rate); - thread_group.create_thread(boost::bind(&rx_hammer, usrp, rx_cpu, rx_otw)); + //create a receive streamer + uhd::stream_args_t stream_args(rx_cpu, rx_otw); + for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping + stream_args.channels.push_back(ch); + uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); + thread_group.create_thread(boost::bind(&rx_hammer, usrp, rx_cpu, rx_stream)); } //spawn the transmit test thread if (vm.count("tx_rate")){ usrp->set_tx_rate(tx_rate); - thread_group.create_thread(boost::bind(&tx_hammer, usrp, tx_cpu, tx_otw)); - thread_group.create_thread(boost::bind(&tx_hammer_async_helper, usrp)); + //create a transmit streamer + uhd::stream_args_t stream_args(tx_cpu, tx_otw); + for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping + stream_args.channels.push_back(ch); + uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); + thread_group.create_thread(boost::bind(&tx_hammer, usrp, tx_cpu, tx_stream)); + thread_group.create_thread(boost::bind(&tx_hammer_async_helper, tx_stream)); } //sleep for the required duration @@ -272,5 +275,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/tx_bursts.cpp b/host/examples/tx_bursts.cpp index 4cf5f2fd1..c58d3e178 100644 --- a/host/examples/tx_bursts.cpp +++ b/host/examples/tx_bursts.cpp @@ -147,7 +147,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::async_metadata_t async_md; 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 usrp->get_device()->recv_async_msg(async_md, seconds_in_future)){ + while (not got_async_burst_ack and tx_stream->recv_async_msg(async_md, seconds_in_future)){ got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); } std::cout << (got_async_burst_ack? "success" : "fail") << std::endl; @@ -156,5 +156,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/tx_samples_from_file.cpp b/host/examples/tx_samples_from_file.cpp index 04a6a63d4..f9447c25d 100644 --- a/host/examples/tx_samples_from_file.cpp +++ b/host/examples/tx_samples_from_file.cpp @@ -192,5 +192,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/tx_timed_samples.cpp b/host/examples/tx_timed_samples.cpp index 3b8cc75d4..2eef80389 100644 --- a/host/examples/tx_timed_samples.cpp +++ b/host/examples/tx_timed_samples.cpp @@ -116,7 +116,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::async_metadata_t async_md; 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 usrp->get_device()->recv_async_msg(async_md, timeout)){ + while (not got_async_burst_ack and tx_stream->recv_async_msg(async_md, timeout)){ got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); } std::cout << (got_async_burst_ack? "success" : "fail") << std::endl; @@ -124,5 +124,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp index 3c5eecd65..40326ae93 100644 --- a/host/examples/tx_waveforms.cpp +++ b/host/examples/tx_waveforms.cpp @@ -260,5 +260,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } diff --git a/host/examples/txrx_loopback_to_file.cpp b/host/examples/txrx_loopback_to_file.cpp index 495c9f7e4..ef119b689 100644 --- a/host/examples/txrx_loopback_to_file.cpp +++ b/host/examples/txrx_loopback_to_file.cpp @@ -151,7 +151,7 @@ template<typename samp_type> void recv_to_file( stream_cmd.num_samps = num_requested_samples; stream_cmd.stream_now = false; stream_cmd.time_spec = uhd::time_spec_t(settling_time); - usrp->issue_stream_cmd(stream_cmd); + rx_stream->issue_stream_cmd(stream_cmd); while(not stop_signal_called and (num_requested_samples != num_total_samps or num_requested_samples == 0)){ size_t num_rx_samps = rx_stream->recv(&buff.front(), buff.size(), md, timeout); @@ -443,5 +443,5 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //finished std::cout << std::endl << "Done!" << std::endl << std::endl; - return 0; + return EXIT_SUCCESS; } |