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-rw-r--r--host/examples/rx_samples_to_file.cpp72
-rw-r--r--host/examples/tx_samples_from_file.cpp59
2 files changed, 98 insertions, 33 deletions
diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp
index bbfcc6d7c..61add87c7 100644
--- a/host/examples/rx_samples_to_file.cpp
+++ b/host/examples/rx_samples_to_file.cpp
@@ -23,10 +23,14 @@
#include <boost/thread.hpp>
#include <iostream>
#include <fstream>
+#include <csignal>
#include <complex>
namespace po = boost::program_options;
+static bool stop_signal_called = false;
+void sig_int_handler(int){stop_signal_called = true;}
+
template<typename samp_type> void recv_to_file(
uhd::usrp::multi_usrp::sptr usrp,
const uhd::io_type_t &io_type,
@@ -37,7 +41,7 @@ template<typename samp_type> void recv_to_file(
std::vector<samp_type> buff(samps_per_buff);
std::ofstream outfile(file.c_str(), std::ofstream::binary);
- while(true){
+ while(not stop_signal_called){
size_t num_rx_samps = usrp->get_device()->recv(
&buff.front(), buff.size(), md, io_type,
uhd::device::RECV_MODE_FULL_BUFF
@@ -60,9 +64,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
- std::string args, file, type;
+ std::string args, file, type, ant, subdev;
size_t total_num_samps, spb;
- double rate, freq, gain;
+ double rate, freq, gain, bw;
//setup the program options
po::options_description desc("Allowed options");
@@ -70,12 +74,15 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "multi uhd device address args")
("file", po::value<std::string>(&file)->default_value("usrp_samples.dat"), "name of the file to write binary samples to")
- ("type", po::value<std::string>(&type)->default_value("float"), "choose the sample type: double, float, or short")
- ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
+ ("type", po::value<std::string>(&type)->default_value("float"), "sample type: double, float, or short")
+ ("nsamps", po::value<size_t>(&total_num_samps)->default_value(0), "total number of samples to receive")
("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
- ("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")
- ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
+ ("rate", po::value<double>(&rate), "rate of incoming samples")
+ ("freq", po::value<double>(&freq), "rf center frequency in Hz")
+ ("gain", po::value<double>(&gain), "gain for the RF chain")
+ ("ant", po::value<std::string>(&ant), "select antenna")
+ ("subdev", po::value<std::string>(&subdev), "select subdevice")
+ ("bw", po::value<double>(&bw), "select IF filter bandwidth in Hz")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -91,30 +98,61 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
std::cout << std::endl;
std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
+
+ //always select the subdevice first, the channel mapping affects the other settings
+ if (vm.count("subdev")) usrp->set_rx_subdev_spec(subdev);
+
std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;
- //set the rx sample rate
+ //set the sample rate
+ if (not vm.count("rate")){
+ std::cerr << "Please specify the sample rate with --rate" << std::endl;
+ return ~0;
+ }
std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
usrp->set_rx_rate(rate);
std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->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;
+ //set the center frequency
+ if (not vm.count("freq")){
+ std::cerr << "Please specify the center frequency with --freq" << std::endl;
+ return ~0;
+ }
+ std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl;
usrp->set_rx_freq(freq);
- std::cout << boost::format("Actual RX Freq: %f Mhz...") % (usrp->get_rx_freq()/1e6) << std::endl << std::endl;
+ std::cout << boost::format("Actual RX Freq: %f MHz...") % (usrp->get_rx_freq()/1e6) << std::endl << std::endl;
+
+ //set the rf gain
+ if (vm.count("gain")){
+ std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl;
+ usrp->set_rx_gain(gain);
+ std::cout << boost::format("Actual RX Gain: %f dB...") % usrp->get_rx_gain() << std::endl << std::endl;
+ }
- //set the rx rf gain
- std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl;
- usrp->set_rx_gain(gain);
- std::cout << boost::format("Actual RX Gain: %f dB...") % usrp->get_rx_gain() << std::endl << std::endl;
+ //set the IF filter bandwidth
+ if (vm.count("bw")){
+ std::cout << boost::format("Setting RX Bandwidth: %f MHz...") % bw << std::endl;
+ usrp->set_rx_bandwidth(bw);
+ std::cout << boost::format("Actual RX Bandwidth: %f MHz...") % usrp->get_rx_bandwidth() << std::endl << std::endl;
+ }
+
+ //set the antenna
+ if (vm.count("ant")) usrp->set_rx_antenna(ant);
boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time
//setup streaming
- uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
+ uhd::stream_cmd_t stream_cmd((total_num_samps == 0)?
+ uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS:
+ uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE
+ );
stream_cmd.num_samps = total_num_samps;
stream_cmd.stream_now = true;
usrp->issue_stream_cmd(stream_cmd);
+ if (total_num_samps == 0){
+ std::signal(SIGINT, &sig_int_handler);
+ std::cout << "Press Ctrl + C to stop streaming..." << std::endl;
+ }
//recv to file
if (type == "double") recv_to_file<std::complex<double> >(usrp, uhd::io_type_t::COMPLEX_FLOAT64, file, spb);
diff --git a/host/examples/tx_samples_from_file.cpp b/host/examples/tx_samples_from_file.cpp
index 0483eaa76..7824f4389 100644
--- a/host/examples/tx_samples_from_file.cpp
+++ b/host/examples/tx_samples_from_file.cpp
@@ -60,9 +60,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
- std::string args, file, type;
+ std::string args, file, type, ant, subdev;
size_t spb;
- double rate, freq, gain;
+ double rate, freq, gain, bw;
//setup the program options
po::options_description desc("Allowed options");
@@ -70,11 +70,14 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "multi uhd device address args")
("file", po::value<std::string>(&file)->default_value("usrp_samples.dat"), "name of the file to read binary samples from")
- ("type", po::value<std::string>(&type)->default_value("float"), "choose the sample type: double, float, or short")
+ ("type", po::value<std::string>(&type)->default_value("float"), "sample type: double, float, or short")
("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
- ("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")
- ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
+ ("rate", po::value<double>(&rate), "rate of outgoing samples")
+ ("freq", po::value<double>(&freq), "rf center frequency in Hz")
+ ("gain", po::value<double>(&gain), "gain for the RF chain")
+ ("ant", po::value<std::string>(&ant), "select antenna")
+ ("subdev", po::value<std::string>(&subdev), "select subdevice")
+ ("bw", po::value<double>(&bw), "select IF filter bandwidth in Hz")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -90,22 +93,46 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
std::cout << std::endl;
std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
+
+ //always select the subdevice first, the channel mapping affects the other settings
+ if (vm.count("subdev")) usrp->set_tx_subdev_spec(subdev);
+
std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;
- //set the rx sample rate
- std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ //set the sample rate
+ if (not vm.count("rate")){
+ std::cerr << "Please specify the sample rate with --rate" << std::endl;
+ return ~0;
+ }
+ std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl;
usrp->set_tx_rate(rate);
- std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->get_tx_rate()/1e6) << std::endl << std::endl;
+ std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->get_tx_rate()/1e6) << std::endl << std::endl;
- //set the rx center frequency
- std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl;
+ //set the center frequency
+ if (not vm.count("freq")){
+ std::cerr << "Please specify the center frequency with --freq" << std::endl;
+ return ~0;
+ }
+ std::cout << boost::format("Setting TX Freq: %f MHz...") % (freq/1e6) << std::endl;
usrp->set_tx_freq(freq);
- std::cout << boost::format("Actual RX Freq: %f Mhz...") % (usrp->get_tx_freq()/1e6) << std::endl << std::endl;
+ std::cout << boost::format("Actual TX Freq: %f MHz...") % (usrp->get_tx_freq()/1e6) << std::endl << std::endl;
+
+ //set the rf gain
+ if (vm.count("gain")){
+ std::cout << boost::format("Setting TX Gain: %f dB...") % gain << std::endl;
+ usrp->set_tx_gain(gain);
+ std::cout << boost::format("Actual TX Gain: %f dB...") % usrp->get_tx_gain() << std::endl << std::endl;
+ }
+
+ //set the IF filter bandwidth
+ if (vm.count("bw")){
+ std::cout << boost::format("Setting TX Bandwidth: %f MHz...") % bw << std::endl;
+ usrp->set_tx_bandwidth(bw);
+ std::cout << boost::format("Actual TX Bandwidth: %f MHz...") % usrp->get_tx_bandwidth() << std::endl << std::endl;
+ }
- //set the rx rf gain
- std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl;
- usrp->set_tx_gain(gain);
- std::cout << boost::format("Actual RX Gain: %f dB...") % usrp->get_tx_gain() << std::endl << std::endl;
+ //set the antenna
+ if (vm.count("ant")) usrp->set_tx_antenna(ant);
boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time