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Diffstat (limited to 'host/examples/tx_from_file.cpp')
| -rw-r--r-- | host/examples/tx_from_file.cpp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/host/examples/tx_from_file.cpp b/host/examples/tx_from_file.cpp deleted file mode 100644 index 8af9b0f4a..000000000 --- a/host/examples/tx_from_file.cpp +++ /dev/null @@ -1,124 +0,0 @@ -// -// Copyright 2010-2011 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; - double seconds_in_future; - size_t total_num_samps; - size_t samps_per_packet; - double tx_rate, freq, gain; - float ampl; - - //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<double>(&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<double>(&gain)->default_value(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_gain(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 = (i == 0); //only first packet has SOB - 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; -} |