[Hackrf-dev] HackRF not working - help

[Don Gray]

HI Dominic,
It seems to be taking the DFU download but not responding afterwards... Here's what I captured: 
dfu-util 0.9
Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.Copyright 2010-2016 Tormod Volden and Stefan SchmidtThis program is Free Software and has ABSOLUTELY NO WARRANTYPlease report bugs to http://sourceforge.net/p/dfu-util/tickets/
dfu-util: DFU suffix CRC does not matchdfu-util: A valid DFU suffix will be required in a future dfu-util release!!!Opening DFU capable USB device...ID 1fc9:000cRun-time device DFU version 0100Claiming USB DFU Interface...Setting Alternate Setting #0 ...Determining device status: state = dfuIDLE, status = 0dfuIDLE, continuingDFU mode device DFU version 0100Device returned transfer size 2048Copying data from PC to DFU deviceDownload	[=========================] 100%        20484 bytesDownload done.dfu-util: unable to read DFU status after completion
I've tried it several times with the same results. hackrf_info returns "No HackRF boards found."
Am I missing a step? 
Thanks,
Don


> From: dominicgs at gmail.com
> Date: Mon, 4 Apr 2016 13:18:14 -0700
> Subject: Re: [Hackrf-dev] HackRF not working - help
> To: dgray00 at hotmail.com
> CC: hackrf-dev at greatscottgadgets.com
> 
> On 4 April 2016 at 12:55, Don Gray <dgray00 at hotmail.com> wrote:
> >
> > I had tried this before but must have missed the step of pressing the reset
> > while holding down the DFU.
> > Does this mean the next step is to reload the firmware?
> 
> Yes!  From DFU mode it's a two stage process:
> 
> 1) DFU update
> Instructions can be found here:
> https://github.com/mossmann/hackrf/wiki/Updating-Firmware#only-if-necessary-recovering-the-spi-flash-firmware
> You need to copy the .dfu file from the release to the HackRF using dfu-util
> 
> At this point you will hopefully have a working firmware running on
> the HackRF.  You can check this by running hackrf_info, gqrx,
> osmocom_fft, etc, but be careful, the firmware is only in RAM and a
> reset will cause it to be lost.
> 
> 2) SPI flash update
> This is the non-volatile version of the firmware, instructions are
> here: https://github.com/mossmann/hackrf/wiki/Updating-Firmware#only-if-necessary-recovering-the-spi-flash-firmware
> After that you'll need to reset the HackRF, then you can test everything again.
> 
> Let me know how it goes.
> 
> Thanks,
>   Dominic
> 
>
 		 	   		  
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