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-rw-r--r--host/examples/rx_samples_to_file.cpp8
-rw-r--r--host/examples/tx_samples_from_file.cpp8
-rw-r--r--host/examples/tx_waveforms.cpp66
3 files changed, 55 insertions, 27 deletions
diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp
index 61add87c7..d44315701 100644
--- a/host/examples/rx_samples_to_file.cpp
+++ b/host/examples/rx_samples_to_file.cpp
@@ -78,11 +78,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("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), "rate of incoming samples")
- ("freq", po::value<double>(&freq), "rf center frequency in Hz")
+ ("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")
+ ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
+ ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
+ ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
diff --git a/host/examples/tx_samples_from_file.cpp b/host/examples/tx_samples_from_file.cpp
index 7824f4389..acf899fa9 100644
--- a/host/examples/tx_samples_from_file.cpp
+++ b/host/examples/tx_samples_from_file.cpp
@@ -73,11 +73,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("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), "rate of outgoing samples")
- ("freq", po::value<double>(&freq), "rf center frequency in Hz")
+ ("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")
+ ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
+ ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
+ ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp
index 05d49a8b3..9c45e918b 100644
--- a/host/examples/tx_waveforms.cpp
+++ b/host/examples/tx_waveforms.cpp
@@ -20,16 +20,19 @@
#include <uhd/utils/static.hpp>
#include <uhd/usrp/multi_usrp.hpp>
#include <boost/program_options.hpp>
-#include <boost/thread/thread_time.hpp> //system time
#include <boost/math/special_functions/round.hpp>
#include <boost/format.hpp>
#include <boost/function.hpp>
#include <iostream>
#include <complex>
+#include <csignal>
#include <cmath>
namespace po = boost::program_options;
+static bool stop_signal_called = false;
+void sig_int_handler(int){stop_signal_called = true;}
+
/***********************************************************************
* Waveform generators
**********************************************************************/
@@ -61,9 +64,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
- std::string args, wave_type;
- size_t total_duration, spb;
- double rate, freq, gain, wave_freq;
+ std::string args, wave_type, ant, subdev;
+ size_t spb;
+ double rate, freq, gain, wave_freq, bw;
float ampl;
//setup the program options
@@ -71,12 +74,14 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
- ("duration", po::value<size_t>(&total_duration)->default_value(3), "number of seconds to transmit")
("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
- ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples")
- ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
+ ("rate", po::value<double>(&rate), "rate of outgoing samples")
+ ("freq", po::value<double>(&freq), "RF center frequency in Hz")
("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of the waveform")
- ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
+ ("gain", po::value<double>(&gain), "gain for the RF chain")
+ ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
+ ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
+ ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
("wave-type", po::value<std::string>(&wave_type)->default_value("CONST"), "waveform type (CONST, SQUARE, RAMP, SINE)")
("wave-freq", po::value<double>(&wave_freq)->default_value(0), "waveform frequency in Hz")
;
@@ -94,22 +99,43 @@ 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 tx 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 TX Rate: %f Msps...") % (rate/1e6) << std::endl;
usrp->set_tx_rate(rate);
std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->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;
+ //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 TX 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 tx rf 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 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;
+ }
//for the const wave, set the wave freq for small samples per period
if (wave_freq == 0 and wave_type == "CONST"){
@@ -144,9 +170,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
md.start_of_burst = false; //never SOB when continuous
md.end_of_burst = false;
- //send the data in multiple packets
- boost::system_time end_time(boost::get_system_time() + boost::posix_time::seconds(total_duration));
- while(end_time > boost::get_system_time()){
+ std::signal(SIGINT, &sig_int_handler);
+ std::cout << "Press Ctrl + C to stop streaming..." << std::endl;
+
+ //send data until the signal handler gets called
+ while(not stop_signal_called){
//fill the buffer with the waveform
for (size_t n = 0; n < buff.size(); n++){
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 06:27:20 +0000