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-rw-r--r--host/examples/rx_timed_samples.cpp114
1 files changed, 60 insertions, 54 deletions
diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp
index cfe710409..6411cb4cc 100644
--- a/host/examples/rx_timed_samples.cpp
+++ b/host/examples/rx_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 <boost/program_options.hpp>
-#include <boost/format.hpp>
+#include <uhd/utils/safe_main.hpp>
+#include <uhd/utils/thread.hpp>
#include <boost/algorithm/string.hpp>
-#include <iostream>
+#include <boost/format.hpp>
+#include <boost/program_options.hpp>
#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;
std::string channel_list;
- //setup the program options
+ // setup the program options
po::options_description desc("Allowed options");
// clang-format off
desc.add_options()
@@ -45,96 +46,101 @@ 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 RX 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;
- //detect which channels to use
+ // detect which channels to use
std::vector<std::string> channel_strings;
std::vector<size_t> channel_nums;
boost::split(channel_strings, channel_list, boost::is_any_of("\"',"));
- for(size_t ch = 0; ch < channel_strings.size(); ch++){
+ for (size_t ch = 0; ch < channel_strings.size(); ch++) {
size_t chan = std::stoi(channel_strings[ch]);
- if(chan >= usrp->get_tx_num_channels() or chan >= usrp->get_rx_num_channels()){
+ if (chan >= usrp->get_tx_num_channels() or chan >= usrp->get_rx_num_channels()) {
throw std::runtime_error("Invalid channel(s) specified.");
- }
- else channel_nums.push_back(std::stoi(channel_strings[ch]));
+ } else
+ channel_nums.push_back(std::stoi(channel_strings[ch]));
}
- //set the rx sample rate
- std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ // set the rx sample rate
+ std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate / 1e6) << std::endl;
usrp->set_rx_rate(rate);
- std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->get_rx_rate()/1e6) << std::endl << std::endl;
+ std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->get_rx_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 receive streamer
- uhd::stream_args_t stream_args("fc32", wire); //complex floats
- stream_args.channels = channel_nums;
+ // create a receive streamer
+ uhd::stream_args_t stream_args("fc32", wire); // complex floats
+ stream_args.channels = channel_nums;
uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args);
- //setup streaming
+ // setup streaming
std::cout << std::endl;
- std::cout << boost::format(
- "Begin streaming %u samples, %f seconds in the future..."
- ) % total_num_samps % seconds_in_future << std::endl;
+ std::cout << boost::format("Begin streaming %u samples, %f seconds in the future...")
+ % total_num_samps % seconds_in_future
+ << std::endl;
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.num_samps = total_num_samps;
stream_cmd.stream_now = false;
- stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future);
+ stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future);
rx_stream->issue_stream_cmd(stream_cmd);
- //meta-data will be filled in by recv()
+ // meta-data will be filled in by recv()
uhd::rx_metadata_t md;
- //allocate buffer to receive with samples
- std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps());
- std::vector<void *> buffs;
+ // allocate buffer to receive with samples
+ std::vector<std::complex<float>> buff(rx_stream->get_max_num_samps());
+ std::vector<void*> buffs;
for (size_t ch = 0; ch < rx_stream->get_num_channels(); ch++)
- buffs.push_back(&buff.front()); //same buffer for each channel
+ buffs.push_back(&buff.front()); // same buffer for each channel
- //the first call to recv() will block this many seconds before receiving
- double timeout = seconds_in_future + 0.1; //timeout (delay before receive + padding)
+ // the first call to recv() will block this many seconds before receiving
+ double timeout = seconds_in_future + 0.1; // timeout (delay before receive + padding)
- size_t num_acc_samps = 0; //number of accumulated samples
- while(num_acc_samps < total_num_samps){
- //receive a single packet
- size_t num_rx_samps = rx_stream->recv(
- buffs, buff.size(), md, timeout, true
- );
+ size_t num_acc_samps = 0; // number of accumulated samples
+ while (num_acc_samps < total_num_samps) {
+ // receive a single packet
+ size_t num_rx_samps = rx_stream->recv(buffs, buff.size(), md, timeout, true);
- //use a small timeout for subsequent packets
+ // use a small timeout for subsequent packets
timeout = 0.1;
- //handle the error code
- if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) break;
- if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE){
- throw std::runtime_error(str(boost::format(
- "Receiver error %s"
- ) % md.strerror()));
+ // handle the error code
+ if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT)
+ break;
+ if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE) {
+ throw std::runtime_error(
+ str(boost::format("Receiver error %s") % md.strerror()));
}
- if(verbose) std::cout << boost::format(
- "Received packet: %u samples, %u full secs, %f frac secs"
- ) % num_rx_samps % md.time_spec.get_full_secs() % md.time_spec.get_frac_secs() << std::endl;
+ if (verbose)
+ std::cout << boost::format(
+ "Received packet: %u samples, %u full secs, %f frac secs")
+ % num_rx_samps % md.time_spec.get_full_secs()
+ % md.time_spec.get_frac_secs()
+ << std::endl;
num_acc_samps += num_rx_samps;
}
- if (num_acc_samps < total_num_samps) std::cerr << "Receive timeout before all samples received..." << std::endl;
+ if (num_acc_samps < total_num_samps)
+ std::cerr << "Receive timeout before all samples received..." << std::endl;
- //finished
+ // finished
std::cout << std::endl << "Done!" << std::endl << std::endl;
return EXIT_SUCCESS;
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