Yes, I'm 100% sure this is not a permission issue as stated in the
gnuarmeclipse issue:
https://github.com/gnuarmeclipse/openocd/issues/12
I did some debug, and the `hid_enumerate()` doesn't returns that adapter
when using the libusb backend. Switching to the hidraw backend fixed it. I
didn't noticed anything wrong on the build script:
https://github.com/gnuarmeclipse/build-scripts/blob/master/scripts/build-openocd.sh
On Tue, Apr 18, 2017 at 8:10 AM Paul Fertser <[email protected]> wrote:
> Hello,
>
> On Tue, Apr 18, 2017 at 11:23:31AM +0000, Renaud C. wrote:
> > Is there any reasons to prefer the hidraw backend versus the libusb
> concerning
> > hidapi? I've noticed that Ubuntu is shipping openocd with the hidraw
> backend.
> > I've found that using the libusb backend, my CMSIS-DAP adapter is not
> detected
> > during the hid_enumerate() :
>
> I've tested OpenOCD with hidapi-libusb on OpenWrt and it was able to
> detect my adapter nicely. Can you please make sure it's not a
> permissions issue? I'd rather prefer to make libusb backend work or at
> least to fully understand its limitations.
>
> --
> Be free, use free (http://www.gnu.org/philosophy/free-sw.html) software!
> mailto:[email protected]
>
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