diff options
Diffstat (limited to 'host')
| -rw-r--r-- | host/examples/CMakeLists.txt | 57 | ||||
| -rw-r--r-- | host/examples/ascii_art_dft.hpp | 2 | ||||
| -rw-r--r-- | host/examples/rx_samples_to_file.cpp (renamed from host/examples/rx_to_file.cpp) | 55 | ||||
| -rw-r--r-- | host/examples/rx_samples_to_udp.cpp (renamed from host/examples/rx_to_udp.cpp) | 86 | ||||
| -rw-r--r-- | host/examples/rx_timed_samples.cpp | 19 | ||||
| -rw-r--r-- | host/examples/tx_timed_samples.cpp | 19 | ||||
| -rw-r--r-- | host/include/uhd/usrp/multi_usrp.hpp | 8 | ||||
| -rw-r--r-- | host/include/uhd/usrp/subdev_spec.hpp | 11 | ||||
| -rw-r--r-- | host/lib/usrp/multi_usrp.cpp | 9 |
9 files changed, 120 insertions, 146 deletions
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt index 3203cffc0..ce2ca9640 100644 --- a/host/examples/CMakeLists.txt +++ b/host/examples/CMakeLists.txt @@ -16,46 +16,27 @@ # ######################################################################## -ADD_EXECUTABLE(benchmark_rx_rate benchmark_rx_rate.cpp) -TARGET_LINK_LIBRARIES(benchmark_rx_rate uhd) - -ADD_EXECUTABLE(rx_timed_samples rx_timed_samples.cpp) -TARGET_LINK_LIBRARIES(rx_timed_samples uhd) - -ADD_EXECUTABLE(rx_to_file rx_to_file.cpp) -TARGET_LINK_LIBRARIES(rx_to_file uhd) - -ADD_EXECUTABLE(rx_to_udp rx_to_udp.cpp) -TARGET_LINK_LIBRARIES(rx_to_udp uhd) - -ADD_EXECUTABLE(test_async_messages test_async_messages.cpp) -TARGET_LINK_LIBRARIES(test_async_messages uhd) - -ADD_EXECUTABLE(test_pps_input test_pps_input.cpp) -TARGET_LINK_LIBRARIES(test_pps_input uhd) - -ADD_EXECUTABLE(tx_timed_samples tx_timed_samples.cpp) -TARGET_LINK_LIBRARIES(tx_timed_samples uhd) - -ADD_EXECUTABLE(tx_from_file tx_from_file.cpp) -TARGET_LINK_LIBRARIES(tx_from_file uhd) - -ADD_EXECUTABLE(tx_waveforms tx_waveforms.cpp) -TARGET_LINK_LIBRARIES(tx_waveforms uhd) - -INSTALL(TARGETS - benchmark_rx_rate - rx_timed_samples - test_async_messages - test_pps_input - tx_timed_samples - tx_from_file - rx_to_file - rx_to_udp - tx_waveforms - RUNTIME DESTINATION ${PKG_DATA_DIR}/examples +# example applications +######################################################################## +SET(example_sources + benchmark_rx_rate.cpp + rx_samples_to_file.cpp + rx_samples_to_udp.cpp + rx_timed_samples.cpp + test_async_messages.cpp + test_pps_input.cpp + tx_timed_samples.cpp + tx_waveforms.cpp ) +#for each source: build an executable and install +FOREACH(example_source ${example_sources}) + GET_FILENAME_COMPONENT(example_name ${example_source} NAME_WE) + ADD_EXECUTABLE(${example_name} ${example_source}) + TARGET_LINK_LIBRARIES(${example_name} uhd) + INSTALL(TARGETS ${example_name} RUNTIME DESTINATION ${PKG_DATA_DIR}/examples) +ENDFOREACH(example_source) + ######################################################################## # ASCII Art DFT - requires curses, so this part is optional ######################################################################## diff --git a/host/examples/ascii_art_dft.hpp b/host/examples/ascii_art_dft.hpp index 92fb77596..ee2267c2d 100644 --- a/host/examples/ascii_art_dft.hpp +++ b/host/examples/ascii_art_dft.hpp @@ -28,7 +28,7 @@ namespace acsii_art_dft{ ); /*! - * Convert a DFT to a printable ascii plot. + * Convert a DFT to a piroundable ascii plot. * \param dft the log power dft bins * \param width the frame width in characters * \param height the frame height in characters diff --git a/host/examples/rx_to_file.cpp b/host/examples/rx_samples_to_file.cpp index f08f7cee3..c80d2a6de 100644 --- a/host/examples/rx_to_file.cpp +++ b/host/examples/rx_samples_to_file.cpp @@ -20,32 +20,32 @@ #include <uhd/usrp/single_usrp.hpp> #include <boost/program_options.hpp> #include <boost/format.hpp> +#include <boost/thread.hpp> #include <iostream> #include <fstream> #include <complex> namespace po = boost::program_options; - int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::set_thread_priority_safe(); //variables to be set by po - std::string args; - time_t seconds_in_future; + std::string args, file; size_t total_num_samps; - double rx_rate, freq; + double rate, freq; + float gain; //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") - ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive") + ("file", po::value<std::string>(&file)->default_value("out.16sc.dat"), "name of the file to write binary samples to") ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive") - ("rxrate", po::value<double>(&rx_rate)->default_value(100e6/16), "rate of incoming samples") + ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples") ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz") - ("dilv", "specify to disable inner-loop verbose") + ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain") ; po::variables_map vm; po::store(po::parse_command_line(argc, argv, desc), vm); @@ -57,8 +57,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ return ~0; } - bool verbose = vm.count("dilv") == 0; - //create a usrp device std::cout << std::endl; std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; @@ -66,37 +64,35 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::device::sptr dev = sdev->get_device(); std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl; - //set properties on the device - std::cout << boost::format("Setting RX Rate: %f Msps...") % (rx_rate/1e6) << std::endl; - sdev->set_rx_rate(rx_rate); - std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl; - std::cout << boost::format("Setting device timestamp to 0...") << std::endl; + //set the rx sample rate + std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl; + sdev->set_rx_rate(rate); + std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl << std::endl; + + //set the rx center frequency + std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl; sdev->set_rx_freq(freq); - sdev->set_time_now(uhd::time_spec_t(0.0)); + std::cout << boost::format("Actual RX Freq: %f Mhz...") % (sdev->get_rx_freq()/1e6) << std::endl << std::endl; - uhd::gain_range_t rx_gain = sdev->get_rx_gain_range(); - std::cout << "Setting RX Gain to: " << rx_gain.max << std::endl; - sdev->set_rx_gain(rx_gain.max); + //set the rx rf gain + std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl; + sdev->set_rx_gain(gain); + std::cout << boost::format("Actual RX Gain: %f dB...") % sdev->get_rx_gain() << std::endl << std::endl; - sleep(1); + boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time std::cout << "LO Locked = " << sdev->get_rx_lo_locked() << std::endl; //setup streaming - std::cout << std::endl; - std::cout << boost::format( - "Begin streaming %u samples, %d 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.stream_now = false; - stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future); + stream_cmd.stream_now = true; sdev->issue_stream_cmd(stream_cmd); //loop until total number of samples reached size_t num_acc_samps = 0; //number of accumulated samples uhd::rx_metadata_t md; std::vector<std::complex<short> > buff(dev->get_max_recv_samps_per_packet()); - std::ofstream outfile("out.dat", std::ofstream::binary); + std::ofstream outfile(file.c_str(), std::ofstream::binary); while(num_acc_samps < total_num_samps){ size_t num_rx_samps = dev->recv( @@ -124,11 +120,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ goto done_loop; } - outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex<short>)); - - if(verbose) std::cout << boost::format( - "Got 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; + //write complex short integer samples to the binary file + outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex<short>)); num_acc_samps += num_rx_samps; } done_loop: diff --git a/host/examples/rx_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp index c8b3d506b..488c95494 100644 --- a/host/examples/rx_to_udp.cpp +++ b/host/examples/rx_samples_to_udp.cpp @@ -18,42 +18,36 @@ #include <uhd/utils/thread_priority.hpp> #include <uhd/utils/safe_main.hpp> #include <uhd/usrp/single_usrp.hpp> +#include <uhd/transport/udp_simple.hpp> #include <boost/program_options.hpp> #include <boost/format.hpp> +#include <boost/thread.hpp> #include <iostream> -#include <fstream> #include <complex> -#include "sys/types.h" -#include "sys/socket.h" -#include "arpa/inet.h" - namespace po = boost::program_options; - int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::set_thread_priority_safe(); //variables to be set by po std::string args; - time_t seconds_in_future; size_t total_num_samps; - double rx_rate, freq; - short srv_port; - std::string srv_ip; + double rate, freq; + float gain; + std::string addr, port; //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") - ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive") ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive") - ("rxrate", po::value<double>(&rx_rate)->default_value(100e6/16), "rate of incoming samples") + ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples") ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz") - ("port", po::value<short>(&srv_port)->default_value(7124), "server port") - ("ip", po::value<std::string>(&srv_ip)->default_value("192.168.1.10"), "server ip") - ("dilv", "specify to disable inner-loop verbose") + ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain") + ("port", po::value<std::string>(&port)->default_value("7124"), "server udp port") + ("addr", po::value<std::string>(&addr)->default_value("192.168.1.10"), "resolvable server address") ; po::variables_map vm; po::store(po::parse_command_line(argc, argv, desc), vm); @@ -65,8 +59,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ return ~0; } - bool verbose = vm.count("dilv") == 0; - //create a usrp device std::cout << std::endl; std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; @@ -74,52 +66,35 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::device::sptr dev = sdev->get_device(); std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl; - //set properties on the device - std::cout << boost::format("Setting RX Rate: %f Msps...") % (rx_rate/1e6) << std::endl; - sdev->set_rx_rate(rx_rate); - std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl; - std::cout << boost::format("Setting device timestamp to 0...") << std::endl; + //set the rx sample rate + std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl; + sdev->set_rx_rate(rate); + std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl << std::endl; + + //set the rx center frequency + std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl; sdev->set_rx_freq(freq); - sdev->set_time_now(uhd::time_spec_t(0.0)); + std::cout << boost::format("Actual RX Freq: %f Mhz...") % (sdev->get_rx_freq()/1e6) << std::endl << std::endl; - uhd::gain_range_t rx_gain = sdev->get_rx_gain_range(); - std::cout << "Setting RX Gain to: " << rx_gain.max << std::endl; - sdev->set_rx_gain(rx_gain.max); + //set the rx rf gain + std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl; + sdev->set_rx_gain(gain); + std::cout << boost::format("Actual RX Gain: %f dB...") % sdev->get_rx_gain() << std::endl << std::endl; - sleep(1); + boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time std::cout << "LO Locked = " << sdev->get_rx_lo_locked() << std::endl; //setup streaming - std::cout << std::endl; - std::cout << boost::format( - "Begin streaming %u samples, %d 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.stream_now = false; - stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future); + stream_cmd.stream_now = true; sdev->issue_stream_cmd(stream_cmd); //loop until total number of samples reached size_t num_acc_samps = 0; //number of accumulated samples uhd::rx_metadata_t md; - std::vector<std::complex<float> > buff(368); - std::ofstream outfile("out.dat", std::ofstream::binary); - - int s; - struct sockaddr_in si_other; - if ((s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) { - std::cout << "Failid to open socket." << std::endl; - return -1; - } - - memset((char *) &si_other, 0, sizeof(si_other)); - si_other.sin_family = AF_INET; - si_other.sin_port = htons(srv_port); - if (inet_aton(srv_ip.c_str(), &si_other.sin_addr) == 0) { - std::cout << "Bad inet addr: " << srv_ip << std::endl; - return -1; - } + std::vector<std::complex<float> > buff(dev->get_max_recv_samps_per_packet()); + uhd::transport::udp_simple::sptr udp_xport = uhd::transport::udp_simple::make_connected(addr, port); while(num_acc_samps < total_num_samps){ size_t num_rx_samps = dev->recv( @@ -147,19 +122,12 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ goto done_loop; } -// outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex<short>)); - if (sendto(s, (const char *)&buff[0], num_rx_samps * sizeof(std::complex<float>), 0 , (const sockaddr *)&si_other, sizeof(si_other)) == -1) - std::cout << "Sendto failed." << std::endl; - - if(verbose) std::cout << boost::format( - "Got 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; + //send complex single precision floating point samples over udp + udp_xport->send(boost::asio::buffer(buff, num_rx_samps)); num_acc_samps += num_rx_samps; } done_loop: - outfile.close(); - //finished std::cout << std::endl << "Done!" << std::endl << std::endl; diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp index 441665900..8a810811f 100644 --- a/host/examples/rx_timed_samples.cpp +++ b/host/examples/rx_timed_samples.cpp @@ -32,7 +32,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ std::string args; time_t seconds_in_future; size_t total_num_samps; - double rx_rate, freq; + double rate, freq; //setup the program options po::options_description desc("Allowed options"); @@ -41,7 +41,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args") ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive") ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive") - ("rxrate", po::value<double>(&rx_rate)->default_value(100e6/16), "rate of incoming samples") + ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples") ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz") ("dilv", "specify to disable inner-loop verbose") ; @@ -64,12 +64,17 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::device::sptr dev = sdev->get_device(); std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl; - //set properties on the device - std::cout << boost::format("Setting RX Rate: %f Msps...") % (rx_rate/1e6) << std::endl; - sdev->set_rx_rate(rx_rate); - std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl; - std::cout << boost::format("Setting device timestamp to 0...") << std::endl; + //set the rx sample rate + std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl; + sdev->set_rx_rate(rate); + std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl << std::endl; + + //set the rx center frequency + std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl; sdev->set_rx_freq(freq); + std::cout << boost::format("Actual RX Freq: %f Mhz...") % (sdev->get_rx_freq()/1e6) << std::endl << std::endl; + + std::cout << boost::format("Setting device timestamp to 0...") << std::endl; sdev->set_time_now(uhd::time_spec_t(0.0)); //setup streaming diff --git a/host/examples/tx_timed_samples.cpp b/host/examples/tx_timed_samples.cpp index 863446682..799da37e0 100644 --- a/host/examples/tx_timed_samples.cpp +++ b/host/examples/tx_timed_samples.cpp @@ -33,7 +33,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ time_t seconds_in_future; size_t total_num_samps; size_t samps_per_packet; - double tx_rate, freq; + double rate, freq; float ampl; //setup the program options @@ -44,7 +44,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to transmit") ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to transmit") ("spp", po::value<size_t>(&samps_per_packet)->default_value(1000), "number of samples per packet") - ("txrate", po::value<double>(&tx_rate)->default_value(100e6/16), "rate of outgoing samples") + ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of outgoing samples") ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz") ("ampl", po::value<float>(&l)->default_value(float(0.3)), "amplitude of each sample") ("dilv", "specify to disable inner-loop verbose") @@ -68,12 +68,17 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::device::sptr dev = sdev->get_device(); std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl; - //set properties on the device - std::cout << boost::format("Setting TX Rate: %f Msps...") % (tx_rate/1e6) << std::endl; - sdev->set_tx_rate(tx_rate); - std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl; - std::cout << boost::format("Setting device timestamp to 0...") << std::endl; + //set the tx sample rate + std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl; + sdev->set_tx_rate(rate); + std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl << std::endl; + + //set the tx center frequency + std::cout << boost::format("Setting TX Freq: %f Mhz...") % (freq/1e6) << std::endl; sdev->set_tx_freq(freq); + std::cout << boost::format("Actual TX Freq: %f Mhz...") % (sdev->get_tx_freq()/1e6) << std::endl << std::endl; + + std::cout << boost::format("Setting device timestamp to 0...") << std::endl; sdev->set_time_now(uhd::time_spec_t(0.0)); //allocate data to send diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp index 5380d177d..98ba07fc0 100644 --- a/host/include/uhd/usrp/multi_usrp.hpp +++ b/host/include/uhd/usrp/multi_usrp.hpp @@ -145,6 +145,14 @@ public: virtual void set_time_unknown_pps(const time_spec_t &time_spec) = 0; /*! + * Are the times across all motherboards in this configuration synchronized? + * Checks that all time registers are approximately close but not exact, + * given that the RTT may varying for a control packet transaction. + * \return true when all motherboards time registers are in sync + */ + virtual bool get_time_synchronized(void) = 0; + + /*! * Issue a stream command to the usrp device. * This tells the usrp to send samples into the host. * See the documentation for stream_cmd_t for more info. diff --git a/host/include/uhd/usrp/subdev_spec.hpp b/host/include/uhd/usrp/subdev_spec.hpp index 5de3bb3b8..b189724c9 100644 --- a/host/include/uhd/usrp/subdev_spec.hpp +++ b/host/include/uhd/usrp/subdev_spec.hpp @@ -26,10 +26,10 @@ namespace uhd{ namespace usrp{ /*! - * A subdevice specification (daughterboard, subdevice) name pairing. + * A subdevice specification (daughterboard slot, subdevice) name pairing. */ struct UHD_API subdev_spec_pair_t : boost::equality_comparable<subdev_spec_pair_t>{ - //! The daughterboard name + //! The daughterboard slot name std::string db_name; //! The subdevice name @@ -50,7 +50,7 @@ namespace uhd{ namespace usrp{ UHD_API bool operator==(const subdev_spec_pair_t &, const subdev_spec_pair_t &); /*! - * A list of (daughterboard name, subdevice name) pairs: + * A list of (daughterboard slot name, subdevice name) pairs: * * A subdevice specification represents a list of subdevices on a motherboard. * The subdevices specified may span across multiple daughterboards; @@ -62,6 +62,11 @@ namespace uhd{ namespace usrp{ * The markup-string is a whitespace separated list of dboard:subdev pairs. * The first pair represents the subdevice for channel zero, * the second pair represents the subdevice for channel one, and so on. + * + * Special handling for empty conditions: + * - An empty subdevice specification means: select the first subdevice found in the configuration + * - An empty daughterboard name means: select the only daughterboard slot or error if multiple exist + * - An empty subdevice name means: select the only subdevice on that board or error if multiple exist */ class UHD_API subdev_spec_t : public std::vector<subdev_spec_pair_t>{ public: diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp index 024a6152d..876f1a3fc 100644 --- a/host/lib/usrp/multi_usrp.cpp +++ b/host/lib/usrp/multi_usrp.cpp @@ -154,6 +154,15 @@ public: } } + bool get_time_synchronized(void){ + for (size_t m = 1; m < get_num_mboards(); m++){ + time_spec_t time_0 = _mboard(0)[MBOARD_PROP_TIME_NOW].as<time_spec_t>(); + time_spec_t time_i = _mboard(m)[MBOARD_PROP_TIME_NOW].as<time_spec_t>(); + if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)) return false; + } + return true; + } + void issue_stream_cmd(const stream_cmd_t &stream_cmd){ for (size_t m = 0; m < get_num_mboards(); m++){ _mboard(m)[MBOARD_PROP_STREAM_CMD] = stream_cmd; |