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: [email protected] > Date: Mon, 4 Apr 2016 13:18:14 -0700 > Subject: Re: [Hackrf-dev] HackRF not working - help > To: [email protected] > CC: [email protected] > > On 4 April 2016 at 12:55, Don Gray <[email protected]> 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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