diff options
Diffstat (limited to 'host/examples/tx_timed_samples.cpp')
| -rw-r--r-- | host/examples/tx_timed_samples.cpp | 88 |
1 files changed, 48 insertions, 40 deletions
diff --git a/host/examples/tx_timed_samples.cpp b/host/examples/tx_timed_samples.cpp index b57578939..5ec5dbc23 100644 --- a/host/examples/tx_timed_samples.cpp +++ b/host/examples/tx_timed_samples.cpp @@ -5,21 +5,22 @@ // SPDX-License-Identifier: GPL-3.0-or-later // -#include <uhd/utils/thread.hpp> -#include <uhd/utils/safe_main.hpp> #include <uhd/usrp/multi_usrp.hpp> +#include <uhd/utils/safe_main.hpp> +#include <uhd/utils/thread.hpp> +#include <boost/format.hpp> #include <boost/program_options.hpp> #include <boost/thread/thread.hpp> -#include <boost/format.hpp> -#include <iostream> #include <complex> +#include <iostream> namespace po = boost::program_options; -int UHD_SAFE_MAIN(int argc, char *argv[]){ +int UHD_SAFE_MAIN(int argc, char* argv[]) +{ uhd::set_thread_priority_safe(); - //variables to be set by po + // variables to be set by po std::string args; std::string wire; double seconds_in_future; @@ -27,7 +28,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ double rate; float ampl; - //setup the program options + // setup the program options po::options_description desc("Allowed options"); // clang-format off desc.add_options() @@ -45,77 +46,84 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ po::store(po::parse_command_line(argc, argv, desc), vm); po::notify(vm); - //print the help message - if (vm.count("help")){ + // print the help message + if (vm.count("help")) { std::cout << boost::format("UHD TX Timed Samples %s") % desc << std::endl; return ~0; } bool verbose = vm.count("dilv") == 0; - //create a usrp device + // create a usrp device std::cout << std::endl; - std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; + std::cout << boost::format("Creating the usrp device with: %s...") % args + << std::endl; 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; - //set the tx sample rate - std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl; + // set the tx sample rate + std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate / 1e6) << std::endl; usrp->set_tx_rate(rate); - std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->get_tx_rate()/1e6) << std::endl << std::endl; + std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->get_tx_rate() / 1e6) + << std::endl + << std::endl; std::cout << boost::format("Setting device timestamp to 0...") << std::endl; usrp->set_time_now(uhd::time_spec_t(0.0)); - //create a transmit streamer - uhd::stream_args_t stream_args("fc32", wire); //complex floats + // create a transmit streamer + uhd::stream_args_t stream_args("fc32", wire); // complex floats uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); - //allocate buffer with data to send - std::vector<std::complex<float> > buff(tx_stream->get_max_num_samps(), std::complex<float>(ampl, ampl)); + // allocate buffer with data to send + std::vector<std::complex<float>> buff( + tx_stream->get_max_num_samps(), std::complex<float>(ampl, ampl)); - //setup metadata for the first packet + // setup metadata for the first packet uhd::tx_metadata_t md; md.start_of_burst = false; - md.end_of_burst = false; - md.has_time_spec = true; - md.time_spec = uhd::time_spec_t(seconds_in_future); + md.end_of_burst = false; + md.has_time_spec = true; + md.time_spec = uhd::time_spec_t(seconds_in_future); - //the first call to send() will block this many seconds before sending: - const double timeout = seconds_in_future + 0.1; //timeout (delay before transmit + padding) + // the first call to send() will block this many seconds before sending: + const double timeout = + seconds_in_future + 0.1; // timeout (delay before transmit + padding) - size_t num_acc_samps = 0; //number of accumulated samples - while(num_acc_samps < total_num_samps){ + size_t num_acc_samps = 0; // number of accumulated samples + while (num_acc_samps < total_num_samps) { size_t samps_to_send = std::min(total_num_samps - num_acc_samps, buff.size()); - //send a single packet - size_t num_tx_samps = tx_stream->send( - &buff.front(), samps_to_send, md, timeout - ); + // send a single packet + size_t num_tx_samps = tx_stream->send(&buff.front(), samps_to_send, md, timeout); - //do not use time spec for subsequent packets + // do not use time spec for subsequent packets md.has_time_spec = false; - if (num_tx_samps < samps_to_send) std::cerr << "Send timeout..." << std::endl; - if(verbose) std::cout << boost::format("Sent packet: %u samples") % num_tx_samps << std::endl; + if (num_tx_samps < samps_to_send) + std::cerr << "Send timeout..." << std::endl; + if (verbose) + std::cout << boost::format("Sent packet: %u samples") % num_tx_samps + << std::endl; num_acc_samps += num_tx_samps; } - //send a mini EOB packet - md.end_of_burst = true; + // send a mini EOB packet + md.end_of_burst = true; tx_stream->send("", 0, md); std::cout << std::endl << "Waiting for async burst ACK... " << std::flush; 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 tx_stream->recv_async_msg(async_md, timeout)){ - got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); + // loop through all messages for the ACK packet (may have underflow messages in queue) + 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; + std::cout << (got_async_burst_ack ? "success" : "fail") << std::endl; - //finished + // finished std::cout << std::endl << "Done!" << std::endl << std::endl; return EXIT_SUCCESS; |