Re: [Xenomai-help] xenomai revision 1772 on arm

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

Gilles Chanteperdrix wrote:
> Schlägl Manfred jun. wrote:
> 
>> Hi!
>>
>> Should be a hint, if anyone has similar Problems:
>>
>> Xenomai (rev. 1772) was not running on my platform. (no
>> timer_tick-calls; timer stopped)
>>
>> I had to do following downgrade:
>>
>> Index: include/asm-arm/hal.h
>> ===================================================================
>> --- include/asm-arm/hal.h       (revision 1772)
>> +++ include/asm-arm/hal.h       (working copy)
>> @@ -103,10 +103,13 @@
>>  
>>  static inline void rthal_timer_program_shot (unsigned long delay)
>>  {
>> +    if(!delay)
>> +        delay = 10;
>> +    __ipipe_mach_set_dec(delay);
>> -    if(!delay)
>> -        rthal_trigger_irq(RTHAL_TIMER_IRQ);
>> -     else
>> -       __ipipe_mach_set_dec(delay);
>>  }
>>  
>>      /* Private interface -- Internal use only */
>>
>>
>> It's simply a workaround yet. I'll try to find the error in my
>> timer-handling.
> 
> 
> You probably have the same problem as PXA, you can not program
> the timer for a too short delay, you should handle this in the
> implementation of __ipipe_mach_set_dec for your platform, not
> in the platform independent code.

Forget about my answer, what you observe is abnormal, rthal_trigger_irq
should work.

-- 
                                                  Gilles Chanteperdrix