Re: [Discuss-gnuradio] howto to set the mux in usrp1

[Wolfgang Buesser]

Hm,

with this 

self.u_rx.set_subdev_spec("A:A A:B",0) 

I get a segfault:

#!/usr/bin/python                                                               
                                                                                
                                                                                
                             

from gnuradio import gr
from gnuradio import uhd
from gnuradio.eng_option import eng_option


class build_block(gr.top_block):
    def __init__(self):
        gr.top_block.__init__(self)

        self.u_tx = uhd.usrp_sink("serial=47432785",uhd.stream_args('fc32'))
        self.siggen_tx = 
gr.sig_source_c(self.u_tx.get_samp_rate(),gr.GR_CONST_WAVE,0, 1.0, 0)
#        self.head_tx   = gr.head(gr.sizeof_gr_complex, 1000000)                
                                                                                
                                                                                
                             
        self.head_tx   = gr.head(gr.sizeof_gr_complex, 1000)
        self.u_tx.set_subdev_spec("A:AB",0)
        self.u_tx.set_center_freq(10e6)
        self.u_tx.set_samp_rate(1e6)
        self.u_tx.get_samp_rate()


        self.u_rx = uhd.usrp_source("serial=47432785",uhd.stream_args('fc32'))
#        self.u_rx.set_subdev_spec("A:A B:A",0)                                 
                                                                                
                                                                                
                             
        self.u_rx.set_subdev_spec("A:A A:B",0)
        self.u_rx.set_center_freq(10e6+1e3)
#        self.u_rx.set_samp_rate(250e3)                                         
                                                                                
                                                                                
                             
        self.head_rx_0 = gr.head(gr.sizeof_gr_complex, 1000)
        self.dst0 = gr.file_sink(gr.sizeof_gr_complex, "r.dat")

#       self.di = gr.deinterleave(gr.sizeof_gr_complex)                         
                                                                                
                                                                                
                             

        self.connect (self.siggen_tx,self.head_tx, self.u_tx)
        self.connect (self.u_rx,self.head_rx_0,self.dst0)

tb = build_block ()
tb.run ()


Wolfgang