From f820cce9be9bcea9723cf7b4e85a4ded2f1d2c62 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 27 Oct 2010 18:55:35 -0700 Subject: uhd: added rx to file example, simplified cmake file for examples --- host/examples/CMakeLists.txt | 44 ++++++++++++++++++-------------------------- 1 file changed, 18 insertions(+), 26 deletions(-) (limited to 'host/examples/CMakeLists.txt') diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt index a8873f8d3..e355ce241 100644 --- a/host/examples/CMakeLists.txt +++ b/host/examples/CMakeLists.txt @@ -16,34 +16,26 @@ # ######################################################################## -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(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_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_waveforms - RUNTIME DESTINATION ${PKG_DATA_DIR}/examples +# example applications +######################################################################## +SET(example_sources + benchmark_rx_rate.cpp + rx_timed_samples.cpp + rx_to_file.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 ######################################################################## -- cgit v1.2.3 From dc9f22c9a7989e4485d6f03b0ccf6ea19e6ae42d Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 27 Oct 2010 19:18:26 -0700 Subject: uhd: added rx samples to udp example, cleaned up other examples, added gain options --- host/examples/CMakeLists.txt | 3 +- host/examples/rx_samples_to_file.cpp | 142 ++++++++++++++++++++++++++++++++++ host/examples/rx_samples_to_udp.cpp | 142 ++++++++++++++++++++++++++++++++++ host/examples/rx_timed_samples.cpp | 19 +++-- host/examples/rx_to_file.cpp | 144 ----------------------------------- host/examples/tx_timed_samples.cpp | 19 +++-- 6 files changed, 310 insertions(+), 159 deletions(-) create mode 100644 host/examples/rx_samples_to_file.cpp create mode 100644 host/examples/rx_samples_to_udp.cpp delete mode 100644 host/examples/rx_to_file.cpp (limited to 'host/examples/CMakeLists.txt') diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt index e355ce241..ce2ca9640 100644 --- a/host/examples/CMakeLists.txt +++ b/host/examples/CMakeLists.txt @@ -20,8 +20,9 @@ ######################################################################## SET(example_sources benchmark_rx_rate.cpp + rx_samples_to_file.cpp + rx_samples_to_udp.cpp rx_timed_samples.cpp - rx_to_file.cpp test_async_messages.cpp test_pps_input.cpp tx_timed_samples.cpp diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp new file mode 100644 index 000000000..6671644fa --- /dev/null +++ b/host/examples/rx_samples_to_file.cpp @@ -0,0 +1,142 @@ +// +// Copyright 2010 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . +// + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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, file; + size_t total_num_samps; + double rate, freq; + float gain; + + //setup the program options + po::options_description desc("Allowed options"); + desc.add_options() + ("help", "help message") + ("args", po::value(&args)->default_value(""), "single uhd device address args") + ("file", po::value(&file)->default_value("out.16sc.dat"), "name of the file to write binary samples to") + ("nsamps", po::value(&total_num_samps)->default_value(1000), "total number of samples to receive") + ("rate", po::value(&rate)->default_value(100e6/16), "rate of incoming samples") + ("freq", po::value(&freq)->default_value(0), "rf center frequency in Hz") + ("gain", po::value(&gain)->default_value(0), "gain for the RF chain") + ("dilv", "specify to disable inner-loop verbose") + ; + po::variables_map vm; + po::store(po::parse_command_line(argc, argv, desc), vm); + po::notify(vm); + + //print the help message + if (vm.count("help")){ + std::cout << boost::format("UHD RX to File %s") % desc << std::endl; + 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; + uhd::usrp::single_usrp::sptr sdev = uhd::usrp::single_usrp::make(args); + uhd::device::sptr dev = sdev->get_device(); + std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << 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; + + //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; + + 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 + 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; + 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 > buff(dev->get_max_recv_samps_per_packet()); + std::ofstream outfile(file.c_str(), std::ofstream::binary); + + while(num_acc_samps < total_num_samps){ + size_t num_rx_samps = dev->recv( + &buff.front(), buff.size(), md, + uhd::io_type_t::COMPLEX_INT16, + uhd::device::RECV_MODE_ONE_PACKET + ); + + //handle the error codes + switch(md.error_code){ + case uhd::rx_metadata_t::ERROR_CODE_NONE: + break; + + case uhd::rx_metadata_t::ERROR_CODE_TIMEOUT: + if (num_acc_samps == 0) continue; + std::cout << boost::format( + "Got timeout before all samples received, possible packet loss, exiting loop..." + ) << std::endl; + goto done_loop; + + default: + std::cout << boost::format( + "Got error code 0x%x, exiting loop..." + ) % md.error_code << std::endl; + goto done_loop; + } + + //write complex short integer samples to the binary file + outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex)); + + 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; + + num_acc_samps += num_rx_samps; + } done_loop: + + outfile.close(); + + //finished + std::cout << std::endl << "Done!" << std::endl << std::endl; + + return 0; +} diff --git a/host/examples/rx_samples_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp new file mode 100644 index 000000000..c81b43ee3 --- /dev/null +++ b/host/examples/rx_samples_to_udp.cpp @@ -0,0 +1,142 @@ +// +// Copyright 2010 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . +// + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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; + size_t total_num_samps; + 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(&args)->default_value(""), "single uhd device address args") + ("nsamps", po::value(&total_num_samps)->default_value(1000), "total number of samples to receive") + ("rate", po::value(&rate)->default_value(100e6/16), "rate of incoming samples") + ("freq", po::value(&freq)->default_value(0), "rf center frequency in Hz") + ("gain", po::value(&gain)->default_value(0), "gain for the RF chain") + ("port", po::value(&port)->default_value("7124"), "server udp port") + ("addr", po::value(&addr)->default_value("192.168.1.10"), "resolvable server address") + ("dilv", "specify to disable inner-loop verbose") + ; + po::variables_map vm; + po::store(po::parse_command_line(argc, argv, desc), vm); + po::notify(vm); + + //print the help message + if (vm.count("help")){ + std::cout << boost::format("UHD RX to UDP %s") % desc << std::endl; + 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; + uhd::usrp::single_usrp::sptr sdev = uhd::usrp::single_usrp::make(args); + uhd::device::sptr dev = sdev->get_device(); + std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << 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; + + //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; + + 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 + 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; + 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 > 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( + &buff.front(), buff.size(), md, + uhd::io_type_t::COMPLEX_FLOAT32, + uhd::device::RECV_MODE_ONE_PACKET + ); + + //handle the error codes + switch(md.error_code){ + case uhd::rx_metadata_t::ERROR_CODE_NONE: + break; + + case uhd::rx_metadata_t::ERROR_CODE_TIMEOUT: + if (num_acc_samps == 0) continue; + std::cout << boost::format( + "Got timeout before all samples received, possible packet loss, exiting loop..." + ) << std::endl; + goto done_loop; + + default: + std::cout << boost::format( + "Got error code 0x%x, exiting loop..." + ) % md.error_code << std::endl; + goto done_loop; + } + + //send complex single precision floating point samples over udp + udp_xport->send(boost::asio::buffer(buff, num_rx_samps)); + + 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; + + num_acc_samps += num_rx_samps; + } done_loop: + + //finished + std::cout << std::endl << "Done!" << std::endl << std::endl; + + return 0; +} 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(&args)->default_value(""), "single uhd device address args") ("secs", po::value(&seconds_in_future)->default_value(3), "number of seconds in the future to receive") ("nsamps", po::value(&total_num_samps)->default_value(1000), "total number of samples to receive") - ("rxrate", po::value(&rx_rate)->default_value(100e6/16), "rate of incoming samples") + ("rate", po::value(&rate)->default_value(100e6/16), "rate of incoming samples") ("freq", po::value(&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/rx_to_file.cpp b/host/examples/rx_to_file.cpp deleted file mode 100644 index 25727a7d3..000000000 --- a/host/examples/rx_to_file.cpp +++ /dev/null @@ -1,144 +0,0 @@ -// -// Copyright 2010 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see . -// - -#include -#include -#include -#include -#include -#include -#include -#include - -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, file; - time_t seconds_in_future; - size_t total_num_samps; - double rx_rate, freq; - - //setup the program options - po::options_description desc("Allowed options"); - desc.add_options() - ("help", "help message") - ("args", po::value(&args)->default_value(""), "single uhd device address args") - ("file", po::value(&file)->default_value("out.16sc.dat"), "name of the file to write binary samples to") - ("secs", po::value(&seconds_in_future)->default_value(1), "number of seconds in the future to receive") - ("nsamps", po::value(&total_num_samps)->default_value(1000), "total number of samples to receive") - ("rxrate", po::value(&rx_rate)->default_value(100e6/16), "rate of incoming samples") - ("freq", po::value(&freq)->default_value(0), "rf center frequency in Hz") - ("dilv", "specify to disable inner-loop verbose") - ; - po::variables_map vm; - po::store(po::parse_command_line(argc, argv, desc), vm); - po::notify(vm); - - //print the help message - if (vm.count("help")){ - std::cout << boost::format("UHD RX to File %s") % desc << std::endl; - 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; - uhd::usrp::single_usrp::sptr sdev = uhd::usrp::single_usrp::make(args); - 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; - sdev->set_rx_freq(freq); - sdev->set_time_now(uhd::time_spec_t(0.0)); - - 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); - - sleep(1); - 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); - 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 > buff(dev->get_max_recv_samps_per_packet()); - std::ofstream outfile(file.c_str(), std::ofstream::binary); - - while(num_acc_samps < total_num_samps){ - size_t num_rx_samps = dev->recv( - &buff.front(), buff.size(), md, - uhd::io_type_t::COMPLEX_INT16, - uhd::device::RECV_MODE_ONE_PACKET - ); - - //handle the error codes - switch(md.error_code){ - case uhd::rx_metadata_t::ERROR_CODE_NONE: - break; - - case uhd::rx_metadata_t::ERROR_CODE_TIMEOUT: - if (num_acc_samps == 0) continue; - std::cout << boost::format( - "Got timeout before all samples received, possible packet loss, exiting loop..." - ) << std::endl; - goto done_loop; - - default: - std::cout << boost::format( - "Got error code 0x%x, exiting loop..." - ) % md.error_code << std::endl; - goto done_loop; - } - - //write complex short integer samples to the binary file - outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex)); - - 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; - - num_acc_samps += num_rx_samps; - } done_loop: - - outfile.close(); - - //finished - std::cout << std::endl << "Done!" << std::endl << std::endl; - - return 0; -} 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(&seconds_in_future)->default_value(3), "number of seconds in the future to transmit") ("nsamps", po::value(&total_num_samps)->default_value(1000), "total number of samples to transmit") ("spp", po::value(&samps_per_packet)->default_value(1000), "number of samples per packet") - ("txrate", po::value(&tx_rate)->default_value(100e6/16), "rate of outgoing samples") + ("rate", po::value(&rate)->default_value(100e6/16), "rate of outgoing samples") ("freq", po::value(&freq)->default_value(0), "rf center frequency in Hz") ("ampl", po::value(&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 -- cgit v1.2.3