Do not used the stop button within gnuradio companion, instead click on the X to close the running window and it will stop TX. I'm pretty sure that this is mentioned in one of the early "SDR with HackRF" videos by Michael Ossmann ( http://greatscottgadgets.com/sdr/ ).
As for using two hackrf devices, did you specify which one is which by using the last few digits of the serial number in the osmosdr source/sink blocks ? (ref http://sdr.osmocom.org/trac/wiki/GrOsmoSDR#HackRFSourceSink ) e.g. If hackrf_info returns the following two serial numbers: Serial Number: 0x######## 0x######## 0x######## 0x12345678 Serial Number: 0x######## 0x######## 0x######## 0xfedcba98 And you decide to use the first for RX and the second one for TX then: When you click on properties of your osmosdr source block do you have "hackrf=12345678" in your "Device Arguments" ? When you click on properties of your osmosdr sink block do you have "hackrf=fedcba98" in your "Device Arguments" ? On 03/01/2016 03:30, Cinaed Simson wrote: > Hi - I'm using the HackRF One firmware and software for 2015.7.2 and > gnuradio-companion 3.7.5.1 with a pair of HackRF One transceivers. > > When I'm using gnuradio-companion to transmit, I hit the kill the flow > graph button to stop the transmission, it doesn't - I have to hit the > reset button on the HackRF One. Is this expected? > > And when using multiple devices, should I have to plug them in one at > time before starting a process for the device? > > It doesn't matter what device arguments I give to the osmosdr sink, I > still have to start them up one at time. > > -- Cinaed > _______________________________________________ > HackRF-dev mailing list > [email protected] > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
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