One question though, where can I tap into the OS to figure out what priorities
my ISRs are actually using?
If there is something odd with the encoding that ST uses for priorities, I
could actually be fighting an issue with CubeMX for F7 that is causing my ISRs
to be interpreted as NMIs again.
A
> On 2017-November-23, at 12:28 AM, Sebastian Huber
> <sebastian.hu...@embedded-brains.de> wrote:
>
> On 22/11/17 07:33, Sebastian Huber wrote:
>> I have absolutely no idea how you can end up in _ARMV7M_Thread_dispatch()
>> with an unexpected interrupt level.
>
> I think if you call an operating system service which leads to a thread
> dispatch in a NMI handler, then you could end up with this situation. You can
> test this with the following patch and run the spintrcritical10 test program.
>
> diff --git a/c/src/lib/libbsp/arm/shared/armv7m/clock/armv7m-clock-config.c
> b/c/src/lib/libbsp/arm/shared/armv7m/clock/armv7m-clock-config.c
> index 1c17a92cb5..f0ebe1506f 100644
> --- a/c/src/lib/libbsp/arm/shared/armv7m/clock/armv7m-clock-config.c
> +++ b/c/src/lib/libbsp/arm/shared/armv7m/clock/armv7m-clock-config.c
> @@ -104,7 +104,7 @@ static void _ARMV7M_Systick_handler_install(void)
> {
> _ARMV7M_Set_exception_priority_and_handler(
> ARMV7M_VECTOR_SYSTICK,
> - BSP_ARMV7M_SYSTICK_PRIORITY,
> + 1,
> _ARMV7M_Systick_handler
> );
> }
>
> --
> Sebastian Huber, embedded brains GmbH
>
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone : +49 89 189 47 41-16
> Fax : +49 89 189 47 41-09
> E-Mail : sebastian.hu...@embedded-brains.de
> PGP : Public key available on request.
>
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
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