diff options
| -rw-r--r-- | host/examples/rx_samples_to_file.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp index cc324643f..cd3f00d5c 100644 --- a/host/examples/rx_samples_to_file.cpp +++ b/host/examples/rx_samples_to_file.cpp @@ -230,7 +230,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //variables to be set by po std::string args, file, type, ant, subdev, ref, wirefmt; size_t channel, total_num_samps, spb; - double rate, freq, gain, bw, total_time, setup_time; + double rate, freq, gain, bw, total_time, setup_time, lo_offset; //setup the program options po::options_description desc("Allowed options"); @@ -245,6 +245,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer") ("rate", po::value<double>(&rate)->default_value(1e6), "rate of incoming samples") ("freq", po::value<double>(&freq)->default_value(0.0), "RF center frequency in Hz") + ("lo-offset", po::value<double>(&lo_offset)->default_value(0.0), + "Offset for frontend LO in Hz (optional)") ("gain", po::value<double>(&gain), "gain for the RF chain") ("ant", po::value<std::string>(&ant), "antenna selection") ("subdev", po::value<std::string>(&subdev), "subdevice specification") @@ -309,7 +311,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //set the center frequency if (vm.count("freq")) { //with default of 0.0 this will always be true std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl; - uhd::tune_request_t tune_request(freq); + std::cout << boost::format("Setting RX LO Offset: %f MHz...") % (lo_offset/1e6) + << std::endl; + uhd::tune_request_t tune_request(freq, lo_offset); if(vm.count("int-n")) tune_request.args = uhd::device_addr_t("mode_n=integer"); usrp->set_rx_freq(tune_request, channel); std::cout << boost::format("Actual RX Freq: %f MHz...") % (usrp->get_rx_freq(channel)/1e6) << std::endl << std::endl; |