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January 11, 2020January 11, 2020

AVR32 watchdog peculiarities

A few short notes, after spending several days trying to figure this out:

I had some strange problems with the WDT (watchdog timer) on the AT32UC3C2512. I was able to set all options in the WDT.ctrl register, except for the enable bit (0).

The watchdog (WDT) on the AVR32 AT32UC3 can’t be enabled, if you issued a watchdog reset with zero timeout.

The solution:

December 23, 2018January 11, 2020

GCC – Linking order affects binary size?

While compiling my bootloader that I wrote for AVR32, I noticed that the binary size varied between two different computers, using the same version and project.