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rtos and rtc

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piti
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rtos and rtc

Posted: Tue Mar 03, 2009 11:40 am

Hi, I'd like to implement following: rtc via timer1 interrupt (i will increment a "second" int32 variable to have a simple rtc implementation, e.g.:

Code:

#int_TIMER1
void TIMER1_isr()
Ticker -= 65536; // Decrement ticker by clocks per interrupt
if ( Ticker < 65536 ) // If second has expired
{ Ticker += TIMER1_FREQUENCY; // Increment ticker by clocks per second
Seconds++; // Increment number of seconds
// ONE-SECOND TICK) .....)

and to use rtos in parallel as well. Now, how to combine these two routines as I am not sure the rtos tasks e.g.:

#task(rate=1000ms,max=100ms)
void Incr_seconds_rtos_task ( );

will do the timing in a precise manner. Thnx.

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