[Open_electroporator] pyflex_f401 v0.5 --> v0.6 testing

[Nathan McCorkle]

Not sure if it will be helpful or misleading (I think it won't if you can
skim past the non-STM specific stuff) but here's the walkthrough I last
went through to get openocd and gdb to debug stuff over JTAG on a
raspberryPi:
https://github.com/syncsrc/jtagsploitation/blob/master/Hands-onJTAGforfunandrootshells.pdf

This was using an FTDI FT232H for the JTAG probe.

On Thu, Mar 29, 2018 at 11:08 AM, John Griessen <john at cibolo.com> wrote:

> Just got my board to load some compiled micropython, and afterward the DFU
> load method is working since the clock is set
> correctly.   I want to see that crystal oscillate on a scope!
>
> Next start loading some simple compiled micropython test programs with the
> new platform definition PYFLEX_F401
> and use openocd and gdb for the devel cycle:  See state of GPIOs, control
> registers; change code; compile; gdb load; repeat while necessary.
>
> I haven't used gdb along with openocd yet, so might not report much more
> today unless I get a nice scope photo of crystal clocking along...via 3pF
> active probe...
>
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-- 
-Nathan
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