[Hackrf-dev] Hackrf One not detected and no usb led

[Martin Smith]

That suggests one of three things to me. The CPU is dead, your DFU
button is broken or your USB connection is bad. Have you tried a
different USB cable ?

On 02/05/2016 10:11, "Aex Weiß" wrote:
> Hi Martin,
>
> thank you for the reply!
> Yes, I'm actually using DFU mode.
> My Workflow is:
>
> 1) No USB Device is connected. Now I start "lsusb" for the first time.
>
> 2) Now I take the HackRF one, hold down the DFU button and plug it into a USB port. I release the DFU button.
> Now I wait for approx. 30 seconds and then I run "lsusb" again. The list of entries is identical to the list of the first run, where no external USB device was connected.
>
> 3) I did another test using a RTLSDR USB with the USB cable of the HackRF and everything ("lsbsub" and the fm reveiver example of gnu radio) worked fine.
>
> thanks,
>
> Alex.
>     
>
>> Are you actually entering DFU mode ?
>> Hold down the HackRF's DFU button (the button closest to the antenna
>> jack) and plug the HackRF into a USB port on your computer. After the
>> HackRF is plugged in, you may release the DFU button.
>>
>> DFU mode is stored in a ROM within the CPU, created by NXP the
>> manufacturer, of the LPC4320. DFU mode not working, would be unusual.
>>
>> In DFU mode you should see a green LED (and a dimly lit red and orange
>> LED) and running "lsusb" on the Linux command line should show a device
>> "ID 1fc9:000c NXP Semiconductors" connected to some USB port.
>>
>> On 30/04/2016 08:16, alex.dcaw at gmx.de wrote:
>>> Using DFU mode doesn't change the output of dmesg or lsusb.
>>
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>>