Example #1
0
def build_graph ():
    rx_decim  = 32
    
    tb = gr.top_block ()
    usrp_rx = usrp.source_s (0, rx_decim, 1, 0x32103210, usrp.FPGA_MODE_COUNTING)
    sink = gr.check_counting_s ()
    tb.connect (usrp_rx, sink)

    # file_sink = gr.file_sink (gr.sizeof_short, 'counting.dat')
    # tb.connect (usrp_rx, file_sink)

    return tb
Example #2
0
def build_graph():
    rx_decim = 32

    tb = gr.top_block()
    usrp_rx = usrp.source_s(0, rx_decim, 1, 0x32103210,
                            usrp.FPGA_MODE_COUNTING)
    sink = gr.check_counting_s()
    tb.connect(usrp_rx, sink)

    # file_sink = gr.file_sink (gr.sizeof_short, 'counting.dat')
    # tb.connect (usrp_rx, file_sink)

    return tb
Example #3
0
def build_graph ():
    tx_interp =  32       # tx should be twice rx
    rx_decim  =  16
    
    tb = gr.top_block ()

    data_src = ramp_source (tb)
    # usrp_tx = usrp.sink_s (0, tx_interp, 1, 0x98)
    usrp_tx = usrp.sink_s (0, tx_interp)
    tb.connect (data_src, usrp_tx)

    usrp_rx = usrp.source_s (0, rx_decim, 1, 0x32103210, usrp.FPGA_MODE_LOOPBACK)
    sink = gr.check_counting_s ()
    tb.connect (usrp_rx, sink)

    # file_sink = gr.file_sink (gr.sizeof_short, "loopback.dat")
    # tb.connect (usrp_rx, file_sink)
    
    return tb