diff options
Diffstat (limited to 'host/examples')
| -rw-r--r-- | host/examples/tx_waveforms.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp index b432741fa..c4d850820 100644 --- a/host/examples/tx_waveforms.cpp +++ b/host/examples/tx_waveforms.cpp @@ -40,7 +40,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ std::string args, wave_type, ant, subdev, ref, pps, otw, channel_list; uint64_t total_num_samps; size_t spb; - double rate, freq, gain, wave_freq, bw; + double rate, freq, gain, wave_freq, bw, lo_offset; float ampl; //setup the program options @@ -52,6 +52,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("nsamps", po::value<uint64_t>(&total_num_samps)->default_value(0), "total number of samples to transmit") ("rate", po::value<double>(&rate), "rate of outgoing samples") ("freq", po::value<double>(&freq), "RF center frequency in Hz") + ("lo-offset", po::value<double>(&lo_offset)->default_value(0.0), + "Offset for frontend LO in Hz (optional)") ("ampl", po::value<float>(&l)->default_value(float(0.3)), "amplitude of the waveform [0 to 0.7]") ("gain", po::value<double>(&gain), "gain for the RF chain") ("ant", po::value<std::string>(&ant), "antenna selection") @@ -117,7 +119,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ for(size_t ch = 0; ch < channel_nums.size(); ch++) { std::cout << boost::format("Setting TX Freq: %f MHz...") % (freq/1e6) << std::endl; - uhd::tune_request_t tune_request(freq); + std::cout << boost::format("Setting TX 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_tx_freq(tune_request, channel_nums[ch]); std::cout << boost::format("Actual TX Freq: %f MHz...") % (usrp->get_tx_freq(channel_nums[ch])/1e6) << std::endl << std::endl; |