Hi,
I am using RFX2400+USRP+SUSI
I am using following flowgraph to transmit data:
gr.file_source → gr.simple_framer → gr.bytes_to_syms →
gr.interp_fir_filter_fff → gr.frequency_modulator_fc →
gr.multiply_const_cc → usrp.sink_c
When I start the flowgraph by either start() or run() or MainLoop(), the
data is sent sussessfully for once if repeat option is False in
file_source
or continuesly if repeat option is True.
Actually I want to implement cyclic transmission (different from
gr.file_source.repeat=True) in such a way that whenever I want I can
again
send data from that file (But if and only if I want, so I need control
over
data transmission which I cant by just setting repeat in
file_source=True )
But the problem is that the graph gets complete when data in the file is
finished and I cant ask the flowgraph to retransmit the data in the
file. I
want to have an implementation where I could dictate the graph to
transmit
data (externally, just like setting the frequency or gain while the
graph is
still running). Furthermore is it possible to change the file name
externally while the graph is still running.
Any suggestions!!!
Best Regards
–
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