diff options
Diffstat (limited to 'host/examples')
-rw-r--r-- | host/examples/CMakeLists.txt | 8 | ||||
-rw-r--r-- | host/examples/rx_timed_samples.cpp | 6 | ||||
-rw-r--r-- | host/examples/rx_to_file.cpp | 142 | ||||
-rw-r--r-- | host/examples/tx_from_file.cpp | 125 | ||||
-rw-r--r-- | host/examples/tx_timed_samples.cpp | 9 |
5 files changed, 284 insertions, 6 deletions
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt index 5b241e284..7da31a16b 100644 --- a/host/examples/CMakeLists.txt +++ b/host/examples/CMakeLists.txt @@ -22,9 +22,15 @@ 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(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) @@ -35,6 +41,8 @@ INSTALL(TARGETS benchmark_rx_rate rx_timed_samples tx_timed_samples + tx_from_file + rx_to_file tx_waveforms pps_test RUNTIME DESTINATION ${PKG_DATA_DIR}/examples diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp index 4856f6779..5fbf8b6c5 100644 --- a/host/examples/rx_timed_samples.cpp +++ b/host/examples/rx_timed_samples.cpp @@ -85,12 +85,12 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //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()); while(num_acc_samps < total_num_samps){ - uhd::rx_metadata_t md; - std::vector<std::complex<float> > buff(dev->get_max_recv_samps_per_packet()); size_t num_rx_samps = dev->recv( &buff.front(), buff.size(), md, - uhd::io_type_t::COMPLEX_FLOAT32, + uhd::io_type_t::COMPLEX_INT16, uhd::device::RECV_MODE_ONE_PACKET ); diff --git a/host/examples/rx_to_file.cpp b/host/examples/rx_to_file.cpp new file mode 100644 index 000000000..79d3e9d8b --- /dev/null +++ b/host/examples/rx_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 <http://www.gnu.org/licenses/>. +// + +#include <uhd/utils/thread_priority.hpp> +#include <uhd/utils/safe_main.hpp> +#include <uhd/usrp/simple_usrp.hpp> +#include <boost/program_options.hpp> +#include <boost/format.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; + 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<std::string>(&args)->default_value(""), "simple 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") + ("freq", po::value<double>(&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 Timed Samples %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::simple_usrp::sptr sdev = uhd::usrp::simple_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<std::complex<short> > buff(dev->get_max_recv_samps_per_packet()); + std::ofstream outfile("out.dat", 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; + } + + 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; + + 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_from_file.cpp b/host/examples/tx_from_file.cpp new file mode 100644 index 000000000..9611cf47c --- /dev/null +++ b/host/examples/tx_from_file.cpp @@ -0,0 +1,125 @@ +// +// 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 <http://www.gnu.org/licenses/>. +// + +#include <uhd/utils/thread_priority.hpp> +#include <uhd/utils/safe_main.hpp> +#include <uhd/usrp/simple_usrp.hpp> +#include <boost/program_options.hpp> +#include <boost/format.hpp> +#include <iostream> +#include <complex> +#include <fstream> + +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; + size_t samps_per_packet; + double tx_rate, freq; + float ampl; + float tx_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(""), "simple uhd device address args") + ("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") + ("txrate", po::value<double>(&tx_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") + ("gain", po::value<float>(&tx_gain)->default_value(float(0)), "amplitude of each sample") + ("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 TX Timed Samples %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::simple_usrp::sptr sdev = uhd::usrp::simple_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 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; + sdev->set_tx_freq(freq); + sdev->set_time_now(uhd::time_spec_t(0.0)); + + sdev->set_tx_gain(tx_gain); + + //allocate data to send + std::vector<std::complex<short> > buff; + uhd::tx_metadata_t md; + + std::cout << "Read data to send from file: in.dat" << std::endl; + std::ifstream infile("in.dat", std::ifstream::binary); + while (!infile.eof()) { + std::complex<short> c; + infile.read((char *)&c, sizeof(std::complex<short>)); + if (!((c.real() == 0) && (c.imag() == 0))) { + buff.push_back(c); +//std::cout << "C = " << c << std::endl; + } + } + samps_per_packet = buff.size(); + infile.close(); + std::cout << "Number of samples in file: " << samps_per_packet << std::endl; + + //send the data in multiple packets + size_t num_packets = (total_num_samps+samps_per_packet-1)/samps_per_packet; + for (size_t i = 0; i < num_packets; i++){ + //setup the metadata flags and time spec + md.start_of_burst = true; //always SOB (good for continuous streaming) + md.end_of_burst = (i == num_packets-1); //only last packet has EOB + md.has_time_spec = (i == 0); //only first packet has time + md.time_spec = uhd::time_spec_t(seconds_in_future); + + size_t samps_to_send = std::min(total_num_samps - samps_per_packet*i, samps_per_packet); + + //send the entire packet (driver fragments internally) + size_t num_tx_samps = dev->send( + &buff.front(), samps_to_send, md, + uhd::io_type_t::COMPLEX_INT16, + uhd::device::SEND_MODE_FULL_BUFF + ); + if(verbose) std::cout << std::endl << boost::format("Sent %d samples") % num_tx_samps << std::endl; + } + + //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 5b72bd72f..f7d7ea2ca 100644 --- a/host/examples/tx_timed_samples.cpp +++ b/host/examples/tx_timed_samples.cpp @@ -35,6 +35,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ size_t samps_per_packet; double tx_rate, freq; float ampl; + float tx_gain; //setup the program options po::options_description desc("Allowed options"); @@ -47,6 +48,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("txrate", po::value<double>(&tx_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") + ("gain", po::value<float>(&tx_gain)->default_value(float(0)), "TX Gain setting") ("dilv", "specify to disable inner-loop verbose") ; po::variables_map vm; @@ -75,15 +77,16 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ std::cout << boost::format("Setting device timestamp to 0...") << std::endl; sdev->set_tx_freq(freq); sdev->set_time_now(uhd::time_spec_t(0.0)); + sdev->set_tx_gain(tx_gain); //allocate data to send - std::vector<std::complex<float> > buff(samps_per_packet, std::complex<float>(ampl, ampl)); + std::vector<std::complex<short> > buff(samps_per_packet, std::complex<short>(ampl, ampl)); + uhd::tx_metadata_t md; //send the data in multiple packets size_t num_packets = (total_num_samps+samps_per_packet-1)/samps_per_packet; for (size_t i = 0; i < num_packets; i++){ //setup the metadata flags and time spec - uhd::tx_metadata_t md; md.start_of_burst = true; //always SOB (good for continuous streaming) md.end_of_burst = (i == num_packets-1); //only last packet has EOB md.has_time_spec = (i == 0); //only first packet has time @@ -94,7 +97,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //send the entire packet (driver fragments internally) size_t num_tx_samps = dev->send( &buff.front(), samps_to_send, md, - uhd::io_type_t::COMPLEX_FLOAT32, + uhd::io_type_t::COMPLEX_INT16, uhd::device::SEND_MODE_FULL_BUFF ); if(verbose) std::cout << std::endl << boost::format("Sent %d samples") % num_tx_samps << std::endl; |