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Forum Index : Microcontroller and PC projects : PicoMite VGA Editing Nuisance

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OA47

Guru

Joined: 11/04/2012
Location: Australia
Posts: 1013

Posted: 10:15pm 03 Jul 2022

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Whilst editing a program on the VGA version of the Pi Pico it seems that when the program stops on an error the watchdog timer is not stopped so often the program will restart before I can diagnose or edit the offending code.

It is just a nuisance as I can disable the watchdog before testing (if I remember)

OA47

pwillard
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Joined: 07/06/2022
Location: United States
Posts: 324

Posted: 10:41pm 03 Jul 2022

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Silly computers... they take everything so literally.

Grogster

Admin Group

Joined: 31/12/2012
Location: New Zealand
Posts: 9757

Posted: 12:15am 04 Jul 2022

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That is by design. It is so the watchdog will reboot the system if the code falls over to the command-prompt for some reason.

I tend to write my code with the watchdog commands where I want them, but comment them out while testing the code to prevent this from happening.

Or just use WATCHDOG OFF as you hint at when the code stops.

Watchdog should only be enabled once you have fully written and tested your code, otherwise it probably WILL annoy you like this.

Smoke makes things work. When the smoke gets out, it stops!

CaptainBoing

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Joined: 07/09/2016
Location: United Kingdom
Posts: 2171

Posted: 09:07am 04 Jul 2022

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morning Graeme

Imagine you aren't sat there debugging (the 'mite generally has no way of telling it isn't doing it's job in anger).......... the 'mite has done exactly what it should to make a tough solution.

for debugging I always have the watchdog turned off for precisely the reason you are finding.

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