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added implementation of htimer_arch_set_absolute()

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This commit is contained in:
Thomas Eichinger 2013-04-25 13:32:50 +02:00
parent 64cbb25d3e
commit abc80ba5e4
1 changed files with 12 additions and 0 deletions
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12
cpu/mc1322x/hwtimer_cpu.c
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@ -90,7 +90,19 @@ void hwtimer_arch_set(unsigned long offset, short timer) {
/*---------------------------------------------------------------------------*/
void hwtimer_arch_set_absolute(unsigned long value, short timer) {
/* get corresponding struct for the given ::timer parameter */
TMR_struct* tmr = (void *) TMR_BASE + (timer + TMR_OFFSET);
/* disable IRQs and save the status register */
unsigned long cpsr = disableIRQ();
tmr->COMP1 = value; /* load the value into the compare register */
tmr->CSCTRLbits.TCF1 = 0; /* reset compare flag */
tmr->CSCTRLbits.TCF1EN = 1; /* enable intterupts when TCF1 is set \ */
tmr->SCTRLbits.TCFIE = 1; /* enable interrupts when TCF is one - do we need both?*/
/* restor status register */
restoreIRQ(cpsr);
}
/*---------------------------------------------------------------------------*/