[Hackrf-dev] "HackRF One not found" occurs always

[Jesus nomellames]

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 <mehdi.qbic at gmail.com> 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
>
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>
>
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