Dear all, I'm trying to stop top_block implementing the signal transmission for 5 milliseconds and then restart the signal transmission at the transmitter side, by using the tb.stop() then time.sleep(0.005) to suspend the system for 5 milliseconds then tb.start() to start the signal transmission again. This approach gives an RuntimeError: top_block::start: top block already running or wait() not called after previous stop().
Could you please help me to find what the problem is? I also tried lock() and
unlock() which cannot stop the signal transmission implemented in top_block.
the code that I use for data transmission is:
payload_13bit = '\x01\x01\x01\x01\x01\x0'
while(start_flag == 1)
msg_13bit = gr.message_from_string(payload_13bit)
top_block._ls_msgq.insert_tail(msg_13bit)
top_block.stop()
time.sleep(0.005)
top_block.start()
top_block.wait()
I will really appreciate any of suggestion on this problem.
Thanks,
Yan
<<attachment: ynie3.vcf>>
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