Here is my staff, I'm using two USRPs both with two daughterboards rfx400 and rfx2400. One USRP only transmit and the other USRP only receive at a time. The two daughterboads on one USRP receive or transmit at the same time.I modified the codes of gnuradio-examples/digital to do the work. The transmit part worked well. But the receive path didn't work correctly. Only the framer_sink of rfx2400 side work. The other side of rfx400 can receive the signal(I set --log-rx-power, and see the power of rfx400 received, it shows that the signal is received.) But the framer_sink of rfx400 didn't work.
my connect flow graph is #for side a self.connect( (di,0), self.chan_filt_a, self._demodulator_a, self.correlator_a, self.framer_sink_a ) self._watcher_a = _queue_watcher_thread_a(self._rcvd_pktq_a, self._rx_callback_a) #for side b self.connect( (di,1), self.chan_filt_b, self._demodulator_b, self.correlator_b, self.framer_sink_b ) self._watcher_b= _queue_watcher_thread_bself._rcvd_pktq_b self._rx_callback_b) I switch the connect of deinterleave output to test each receive side flow graph such as self.connect( (di,1), self.chan_filt_a, self._demodulator_a, self.correlator_a, self.framer_sink_a ) self.connect( (di,0), self.chan_filt_b, self._demodulator_b, self.correlator_b, self.framer_sink_b ) The rfx400 side didn't work all the same, and the rfx2400 work fine just like before. Then I can say the two path of connection is both working well. And the rfx400 side is no wrong until connect to the self._demodulator_a. Have anyone ever do the same experiment of receiving packets using both daughterboard? Can anyone tell me what's the mistake I made? I use the USRP with the two daughterboards in multi_fft.py(I modified it) that work well. I think maybe some part of the demodulator, correlator or framer sink does'nt work for multi daughterboard? -- View this message in context: http://www.nabble.com/Further-explain-about-receiving-packets-using-2-daughterboads-in-2-framer-sink-didn%27t-work-correctly.-tp22682442p22682442.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio