diff options
| -rw-r--r-- | gr-usrp2/src/usrp2_sink_16sc.cc | 9 | ||||
| -rw-r--r-- | gr-usrp2/src/usrp2_sink_32fc.cc | 9 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gr-usrp2/src/usrp2_sink_16sc.cc b/gr-usrp2/src/usrp2_sink_16sc.cc index 96e6b174c..1e7c54dcd 100644 --- a/gr-usrp2/src/usrp2_sink_16sc.cc +++ b/gr-usrp2/src/usrp2_sink_16sc.cc @@ -29,6 +29,9 @@ #include <gr_io_signature.h> #include <iostream> +// FIXME hack until VRT replaces libusrp2 +#define U2_MIN_SAMPLES 9 + usrp2_sink_16sc_sptr usrp2_make_sink_16sc(const std::string &ifc, const std::string &mac_addr) throw (std::runtime_error) @@ -57,6 +60,12 @@ usrp2_sink_16sc::work(int noutput_items, { std::complex<int16_t> *in = (std::complex<int16_t> *)input_items[0]; + // FIXME: Current libusrp2 can't handle short packets. + // Returning 0 assumes there will be more samples + // the next round... + if (noutput_items < U2_MIN_SAMPLES) + return 0; + usrp2::tx_metadata metadata; metadata.timestamp = -1; metadata.send_now = 1; diff --git a/gr-usrp2/src/usrp2_sink_32fc.cc b/gr-usrp2/src/usrp2_sink_32fc.cc index 6cfff0d75..b1e28a829 100644 --- a/gr-usrp2/src/usrp2_sink_32fc.cc +++ b/gr-usrp2/src/usrp2_sink_32fc.cc @@ -29,6 +29,9 @@ #include <gr_io_signature.h> #include <iostream> +// FIXME hack until VRT replaces libusrp2 +#define U2_MIN_SAMPLES 9 + usrp2_sink_32fc_sptr usrp2_make_sink_32fc(const std::string &ifc, const std::string &mac_addr) throw (std::runtime_error) @@ -57,6 +60,12 @@ usrp2_sink_32fc::work(int noutput_items, { gr_complex *in = (gr_complex *)input_items[0]; + // FIXME: Current libusrp2 can't handle short packets. + // Returning 0 assumes there will be more samples + // the next round... + if (noutput_items < U2_MIN_SAMPLES) + return 0; + usrp2::tx_metadata metadata; metadata.timestamp = -1; metadata.send_now = 1; |