I'm using a gr.message_source block to send packets to a uhd usrp sink. My test setup is essentially:
msgq = gr.msg_queue() msg_src = gr.message_source(1, msgq) while True: payload = "something" msg = gr.message_from_string(payload) self.msgq.insert_tail(msg) time.sleep(1) I was worried about using an infinite loop but it seems to work fine for tunnel.py I know the messages are properly removed from the queue and modulated (as self.msgq.count() returns 0) but the USRP doesn't actually transmit them until I kill the flow graph. How can I ensure the USRP transmits the data as it's removed from the message queue? Thanks.
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