Re: Compiler doesn't respect 'Size for atomic object

[Simon Wright <simon@pushface.org>]

Simon Wright <simon@pushface.org> writes:

> Simon Clubley <clubley@remove_me.eisner.decus.org-Earth.UFP> writes:
>
>> If you use a naturally 32-bit variable instead of your Interrupt_ID
>> data type, does it work ok ?
>
> Yes. My workround is to declare the atomic object as Integer, and
> convert the Interrupt_ID to Integer (the ARM says only that Interrupt_ID
> is discrete, but that's a bridge to cross when we come to it; it's
> naturally an Integer on Cortex-M).

I meant, naturally an integral type. The RM description of the NVIC's
STIR indicates that the IRQ fits in 8 bits; the top 24 bits are reserved
(write as 0).