Mehdi, Are you running hackrf directly using he computer USB port or using a POWERED USB hub?
I found that the hackrf ONE didnt work correctly in Ubuntu 14.04 until I used one. best, -Jesus On Wed, Sep 17, 2014 at 7:29 AM, Mehdi Asgari <[email protected]> wrote: > Hi > > Every time that I execute ‘hackrf_info’, it gives the error > “HACKRF_ERROR_NOT_FOUND (-5)” , but when I execute the command instantly > after the first one, it shows my device’s info. > > Although there is no difference when I run the command via root. I’ve also > read and applied the advices in hackRF’s FAQ about this error, but again > there is no change. > > How can I troubleshoot it to find the cause? > > I’m using hackRF One (Board ID number 2, firmware 2014.08.1) on Ubuntu > 14.04 (Overall it works fine and for the test, I managed to get a FM > station with gqrx, but it always needs me to run every command like ‘gqrx’ > twice, to be able to use the hackRF) > > Update: I also tested DFU boot (with the hackrf_one_usb_ram.dfu file), but > dfu-util gives me this in the end: > > “Device returned transfer size 2048 > > DFU CRC does not match > > Unsupported DFU file revision 0000" > > Thanks > > Mehdi > > _______________________________________________ > HackRF-dev mailing list > [email protected] > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev > >
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