Have you been able to reset the K64? We are using a KDS patched openocd
with some other modifications to support some of the newer K22 chips.
Unfortunately, the reset doesn't work and we don't know why. We see the
reset line toggle, but the device doesn't reset and just keeps executing at
the same instruction. Note that I confirmed this with the KDS binary too.
Same behavior. I have a hunch that it has to do with the watchdog, as they
treat the watchdog differently on the K22 compared to other Kinetis chips.
- Thomas
On Sat, May 16, 2015 at 12:00 AM, Peter Meerwald <[email protected]> wrote:
>
> > >>> Thank you for the quick response. The openocd executable provided
> with
> > >>> the KDS seems to expect a CMSIS-DAP device and driver. We are using
> the
> > >>> Olimex ARM USB OCD H pod to connect directly to the JTAG pins on our
> MCU.
> > >>> I have tried modifying their scripts to use the Olimex driver
> instead, but
> > >>> it gave me errors about the CPU not being supported so I did not
> think that
> > >>> was the way to go. I will look into this more.
> > >>>
> > >>
> > >>
> > >
> > This was all done with the openocd executable that I build locally. I
> > haven't actually been able to run the KDS openocd executable (which was
> > your original suggestion) because our interface scripts target the ft2232
> > and the KDS openocd executable does not have that interface available. I
> > will work on porting our configuration scripts to use the ftdi interface,
> > if possible, and try it with the KDS executable. Would you be able to
> > provide a link to the patch file that indicates the differences between
> > what is packaged with the KDS and what is available in the openocd repos?
> >
>
> find it here:
> http://pmeerw.net/openocd-0b26376_kds-2.0.0.patch
>
> originally extracted from 'KDS v3.0.0 Source Files Package.zip'
> which is somewhere behind Freescale login area
>
> p.
>
> --
>
> Peter Meerwald
> +43-664-2444418 (mobile)
>
>
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