diff options
Diffstat (limited to 'host/examples/tx_samples_from_file.cpp')
| -rw-r--r-- | host/examples/tx_samples_from_file.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/host/examples/tx_samples_from_file.cpp b/host/examples/tx_samples_from_file.cpp index 6926f8690..000f5086b 100644 --- a/host/examples/tx_samples_from_file.cpp +++ b/host/examples/tx_samples_from_file.cpp @@ -71,7 +71,7 @@ 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 spb; - double rate, freq, gain, bw, delay; + double rate, freq, gain, bw, delay, lo_off; //setup the program options po::options_description desc("Allowed options"); @@ -83,6 +83,7 @@ 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), "rate of outgoing samples") ("freq", po::value<double>(&freq), "RF center frequency in Hz") + ("lo_off", po::value<double>(&lo_off), "Offset for frontend LO in Hz (optional)") ("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") @@ -133,7 +134,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ return ~0; } std::cout << boost::format("Setting TX Freq: %f MHz...") % (freq/1e6) << std::endl; - uhd::tune_request_t tune_request(freq); + uhd::tune_request_t tune_request; + if(vm.count("lo_off")) tune_request = uhd::tune_request_t(freq, lo_off); + else tune_request = uhd::tune_request_t(freq); if(vm.count("int-n")) tune_request.args = uhd::device_addr_t("mode_n=int-n"); usrp->set_tx_freq(tune_request); std::cout << boost::format("Actual TX Freq: %f MHz...") % (usrp->get_tx_freq()/1e6) << std::endl << std::endl; |