diff options
| -rw-r--r-- | host/examples/tx_waveforms.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp index 1eb6c2f1e..4abca5dae 100644 --- a/host/examples/tx_waveforms.cpp +++ b/host/examples/tx_waveforms.cpp @@ -76,7 +76,7 @@ public: } inline std::complex<float> operator()(const double theta) const{ - return _wave_table[unsigned(boost::math::iround(theta*wave_table_len))%wave_table_len]; + return _wave_table[unsigned(theta*wave_table_len)%wave_table_len]; } private: @@ -100,7 +100,7 @@ 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") - ("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer") + ("spb", po::value<size_t>(&spb)->default_value(0), "samples per buffer, 0 for default") ("rate", po::value<double>(&rate), "rate of outgoing samples") ("freq", po::value<double>(&freq), "RF center frequency in Hz") ("ampl", po::value<float>(&l)->default_value(float(0.3)), "amplitude of the waveform [0 to 0.7]") @@ -210,6 +210,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); //allocate a buffer which we re-use for each channel + if (spb == 0) spb = tx_stream->get_max_num_samps()*10; std::vector<std::complex<float> > buff(spb); std::vector<std::complex<float> *> buffs(usrp->get_tx_num_channels(), &buff.front()); |