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Forum Index : Microcontroller and PC projects : PicoMite: Trapped in the OPTION loop

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PilotPirx

Senior Member

Joined: 03/11/2020
Location: Germany
Posts: 105
Posted: 09:05pm 12 Jan 2023
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Hello,

i made the mistake to set the
OPTION GUI CONTROLS 75
at the beginning of my program with activated autorun.
Now it loops endless by restarting the system.
I have a Pico with LCD and keyboard via Tera Term.

How to escape the Loop?
 
disco4now

Guru

Joined: 18/12/2014
Location: Australia
Posts: 1056
Posted: 09:29pm 12 Jan 2023
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Page 5 on the manual I think. You need to flash in the Clear_Flash.uf2 ,then put the firmware back.


It is possible for the flash memory to be corrupted resulting in unusual and unpredictable behaviour. In that
case you should load the firmware file Clear_Flash.uf2  which will reset
the Raspberry Pi Pico to its factory fresh state, then you can reload the PicoMite firmware.



I think this will get you out of the loop, not sure if a simpler way exists.
F4 H7FotSF4xGT
 
phil99

Guru

Joined: 11/02/2018
Location: Australia
Posts: 2833
Posted: 10:02pm 12 Jan 2023
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Numerous people have been caught by enabling Autorun too soon. The program must be proven bug free before doing that.

If Ctrl-C doesn't work, as noted above Clear_Flash will. I hope you have backups of your program, flash slots and Drive A: - it wipes everything.

Another less drastic method that might leave the flash slots and Drive A: intact (no guarantee) is to re-flash with a .uf2 (via the BOOTSEL button) that is one revision older or newer than the current one. If you are lucky it may erase just the program.
 
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