>>>>> "Claudio" == Claudio Lanconelli <[email protected]>
>>>>> writes:
Claudio> On 15/06/2016 11:45, Andreas Fritiofson wrote: Didn't you say
Claudio> you had some corrupted option bytes on the target that failed
Claudio> programming? Have you restored them? Or do they keep getting
Claudio> corrupt? Especially the HW IWDG option can/will interfere with
Claudio> the flashing algorithm. I suspect the "unlock" argument if the
Claudio> option bytes get corrupted by OpenOCD. That step is not
Claudio> performed as part of GDB load. Perhaps write (un-)protection is
Claudio> not supported for the F7, Uwe?
Claudio> Yes, I can confirm that on stm32f746 both 'write_image flash
Claudio> erase unlock' and 'flash protect 0 0 last off' corrupt the
Claudio> option bytes (IWDG_STOP IWDG_STDBY and WWDG_SW) and further
Claudio> programming doesn't work anymore.
So some contribution to fix that issue is welcome!
Claudio> By the way, for flashing from the command line, use the
Claudio> "program" script. E.g.
Claudio> openocd -f board/stm32f7discovery.cfg -c
Claudio> "program Debug-MB1191B-0/LCDTest.elf verify reset exit"
Claudio> /Andreas
Claudio> Interesting, where I can find the program script?
"-c " denotes an internal command, no script.
Bye
--
Uwe Bonnes [email protected]
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
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