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Temporary workaround (until VRT) to stop submitting short packets to libusrp2 tx_raw().
[debian/gnuradio]
/
gr-usrp2
/
src
/
usrp2_sink_32fc.cc
diff --git
a/gr-usrp2/src/usrp2_sink_32fc.cc
b/gr-usrp2/src/usrp2_sink_32fc.cc
index 6cfff0d758d289fded02b08b46b88d8e3da8677d..b1e28a8297ee83468801a8ebd57a43e916d86938 100644
(file)
--- 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>
#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)
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];
{
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;
usrp2::tx_metadata metadata;
metadata.timestamp = -1;
metadata.send_now = 1;