[Discuss-gnuradio] Message source, UHD sink transmit problem

2012-09-14 Thread Rob Rhinehart
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 wor

[Discuss-gnuradio] USRP Carrier Sense

2012-08-03 Thread Rob Rhinehart
Hey everyone, I'm on a USRP doing some prototyping of a simple packet radio. I wanted to ask the best method for detecting bursts. GNU Radio seems to support both a 'probe' e.g. probe = gr.probe_avg_mag_sqrd_c(thresh,alpha) detected = probe.unmuted() from tunnel.py, and a 'file sink burst tagger