diff options
Diffstat (limited to 'gr-uhd/lib/usrp_source_impl.cc')
| -rw-r--r-- | gr-uhd/lib/usrp_source_impl.cc | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/gr-uhd/lib/usrp_source_impl.cc b/gr-uhd/lib/usrp_source_impl.cc index 23b94c684f..894a6d849b 100644 --- a/gr-uhd/lib/usrp_source_impl.cc +++ b/gr-uhd/lib/usrp_source_impl.cc @@ -71,6 +71,7 @@ namespace gr { args_to_io_sig(stream_args)), usrp_block_impl(device_addr, stream_args, ""), _recv_timeout(0.1), // seconds + _recv_one_packet(true), _tag_now(false), _issue_stream_cmd_on_start(issue_stream_cmd_on_start) { @@ -149,7 +150,17 @@ namespace gr { return res; } - SET_CENTER_FREQ_FROM_INTERNALS(usrp_source_impl, set_rx_freq); + ::uhd::tune_result_t + usrp_source_impl::_set_center_freq_from_internals(size_t chan, pmt::pmt_t direction) + { + _chans_to_tune.reset(chan); + if (pmt::eqv(direction, pmt::mp("TX"))) { + // TODO: what happens if the TX device is not instantiated? Catch error? + return _dev->set_tx_freq(_curr_tune_req[chan], _stream_args.channels[chan]); + } else { + return _dev->set_rx_freq(_curr_tune_req[chan], _stream_args.channels[chan]); + } + } double usrp_source_impl::get_center_freq(size_t chan) @@ -489,6 +500,15 @@ namespace gr { _tag_now = true; } + void + usrp_source_impl::set_recv_timeout( + const double timeout, + const bool one_packet + ) { + _recv_timeout = timeout; + _recv_one_packet = one_packet; + } + bool usrp_source_impl::start(void) { @@ -534,7 +554,7 @@ namespace gr { _rx_stream->recv(outputs, nbytes/bpi, _metadata, 0.0); else // no rx streamer -- nothing to flush - break; + break; #else _dev->get_device()->recv (outputs, nbytes/_type->size, _metadata, *_type, @@ -625,7 +645,7 @@ namespace gr { noutput_items, _metadata, _recv_timeout, - true /* one packet -> minimize latency */ + _recv_one_packet ); #else size_t num_samps = _dev->get_device()->recv |