Is it possible to enable or disable the nested interrupt mechanism on M0 ? Thanks a lot.
Set PRIMASK. No more interrupts.
No. There is no way to group interrupts into the same "group" so that you prevent nested interrupts.
If you want no nested interrupts on your system, you should make all interrupts the same priority. This does not prevent nested interrupts for interrupts higher than zero "-1,-2,-3". but neither does priority grouping.
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