2-Rx and 1-Tx

GNU Radio
1

Hi
After reading:

  1. usrp_wfm_rcv2_nogui.py
  2. multi_file.py
    I found a way to solve my problem but its difficult to implement.

I want to use one daughter board for only receiving, it has almost the
same
as sensing signal processing blocks (as in usrp_spectrum_sense, already
implemented).
As for the other daughter board, it should change between transmitting
and
receiving according to my request (NO problem. I’ve already implemented
it
using the auto T/R register ability)

Now i think of this option:

  • self._u = usrp.source_c
    (self._which,fpga_filename=“std_2rxhb_2tx.rbf”,
    fusb_block_size=self._fusb_block_size,
    fusb_nblocks=self._fusb_nblocks)
  • self._u.set_mux(gru.hexint(0x2301)) # I got this one by doing
    usrp.determine_rx_mux_value(self._u,self._rx_subdev_spec) # for each
    daughter board then combine them. ( 23,01)
  • gr.deinterleave(gr.sizeof_gr_complex) ???
    Now i don’t know what is the value for th deinterleaver? and how to
    calculate it.

because usrp_wfm_rcv2_nogui.py use one daughter board for receiving, so
i
think it should be a little different
i appreciate your help

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