Help programming cc3000 with dfu util. thanks

Im trying to reflash the core but Im getting this when I try:
Please help
vvvvvvvvvvv

D:\Firmware>dfu-util -l
dfu-util 0.8

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2014 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to dfu-util@lists.gnumonks.org

Found DFU: [1d50:607f] ver=0200, devnum=2, cfg=1, intf=0, alt=1, name="UNKNOWN",
 serial="UNKNOWN"
Found DFU: [1d50:607f] ver=0200, devnum=2, cfg=1, intf=0, alt=0, name="UNKNOWN",
 serial="UNKNOWN"

D:\Firmware>spark flash --factory tinker
FOUND DFU DEVICE 1d50:607f
checking file  C:\Users\clayton\AppData\Roaming\npm\node_modules\spark-cli\binar
ies\spark_tinker.bin
spawning dfu-util -d 1d50:607f -a 1 -i 0 -s 0x00020000 -D C:\Users\clayton\AppDa
ta\Roaming\npm\node_modules\spark-cli\binaries\spark_tinker.bin
dfu-util 0.8

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2014 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to dfu-util@lists.gnumonks.org

Invalid DFU suffix signature
A valid DFU suffix will be required in a future dfu-util release!!!
Opening DFU capable USB device...
ID 1d50:607f
Run-time device DFU version 011a
Claiming USB DFU Interface...
Cannot claim interface
Error writing firmware...

D:\Firmware>

From the D:\ I’d guess you’re on Windows.
Have you taken all the steps outlined here

In my case I missed the Zadig part at first - once I had this sorted it worked.

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Yes I did use Zadig but the win32 driver.
Maybe the wrong one.I will try it again with the one in your post

It’s working now by changing to the plain driver for usb.
Thanks for you help

2 Likes