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/rx_samples_to_file.cpp | 142 +++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 host/examples/rx_samples_to_file.cpp (limited to 'host/examples/rx_samples_to_file.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; +} -- cgit v1.2.3 From d7c7351bb66cb4c455e77f83edd581d6afbcef9c Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 27 Oct 2010 19:30:45 -0700 Subject: uhd: removed dilv in rx files examples --- host/examples/rx_samples_to_file.cpp | 7 ------- host/examples/rx_samples_to_udp.cpp | 7 ------- 2 files changed, 14 deletions(-) (limited to 'host/examples/rx_samples_to_file.cpp') diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp index 6671644fa..c80d2a6de 100644 --- a/host/examples/rx_samples_to_file.cpp +++ b/host/examples/rx_samples_to_file.cpp @@ -46,7 +46,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("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); @@ -58,8 +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; @@ -126,10 +123,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //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: diff --git a/host/examples/rx_samples_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp index c81b43ee3..488c95494 100644 --- a/host/examples/rx_samples_to_udp.cpp +++ b/host/examples/rx_samples_to_udp.cpp @@ -48,7 +48,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("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); @@ -60,8 +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; @@ -128,10 +125,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //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: -- cgit v1.2.3