Problem with rtems_event_send crashing from interrupt routine

[Joel Sherrill]

On June 10, 2015 2:36:12 PM CDT, "Mr.Andrei Chichak" <groups at chichak.ca> wrote:
>
>> On 2015-June-10, at 1:26 PM, Sebastian Huber
><sebastian.huber at embedded-brains.de> wrote:
>> 
>> Hello Andrei,
>> 
>> which RTEMS version do you use?
>> 
>
>Sorry about that, 4.11 updated to the head earlier this week, with the
>tools rebuilt earlier this week using source-builder.

I guessed recent based on the BSP but which method are you looping in?


>A
>
>
>
>> ----- Mr. Andrei Chichak <groups at chichak.ca> schrieb:
>>> This one is weird (for me).
>>> 
>>> I’m dealing with an STM32F407 (ARM M4F), stripping data off of the
>ADCs using DMA.  Using double buffering, I get an interrupt telling me
>that my ADC scan is done and the data is waiting in region “A”, then
>1/200 of a second later I get a different interrupt telling me that
>data is waiting in region “B”, repeat.
>>> 
>>> To indicate to my task that the buffer is ready I use
>rtems_event_send in the interrupt routine and either send RTEMS_EVENT_0
>or RTEMS_EVENT_1, depending on which interrupt routine got called.
>>> 
>>> The task does a:
>>> 
>>> 		status = rtems_event_receive( RTEMS_EVENT_0 | RTEMS_EVENT_1,
>RTEMS_WAIT | RTEMS_EVENT_ANY, 100, &events);
>>> 
>>> and this is seen to run 200 times per second.
>>> 
>>> 
>>> BUT, after (exactly and repeatably) 3101 seconds the receive no
>longer happens and never return with a status code. Actually the
>process seems to go into an infinite loop outside of my code. 
>> 
>> In which function is this infinite loop?
>> 
>> -- 
>> 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.huber at embedded-brains.de
>> PGP     : Public key available on request.
>> 
>> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
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--joel