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cpu - sam3x8e: fixed vtimer, added timer_set_absolute

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This commit is contained in:
Hauke Petersen 2014-06-22 15:08:08 +02:00 committed by Hauke Petersen
parent 63dd8546af
commit 306d97d488
2 changed files with 13 additions and 7 deletions
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2
cpu/sam3x8e/hwtimer_arch.c
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@ -53,7 +53,7 @@ void hwtimer_arch_set(unsigned long offset, short timer)
void hwtimer_arch_set_absolute(unsigned long value, short timer)
{
/* DEPRECATED?! - will not be implemented */
timer_set_absolute(HW_TIMER, timer, value);
}
void hwtimer_arch_unset(short timer)

18
cpu/sam3x8e/periph/timer.c
View File

@ -128,6 +128,11 @@ int timer_init(tim_t dev, unsigned int ticks_per_us, void (*callback)(int))
}
int timer_set(tim_t dev, int channel, unsigned int timeout)
{
return timer_set_absolute(dev, channel, timer_read(dev) + timeout);
}
int timer_set_absolute(tim_t dev, int channel, unsigned int value)
{
Tc *tim;
@ -156,32 +161,33 @@ int timer_set(tim_t dev, int channel, unsigned int timeout)
/* set timeout value */
switch (channel) {
case 0:
tim->TC_CHANNEL[0].TC_RA = tim->TC_CHANNEL[0].TC_CV + timeout;
tim->TC_CHANNEL[0].TC_RA = value;
tim->TC_CHANNEL[0].TC_IER = TC_IER_CPAS;
break;
case 1:
tim->TC_CHANNEL[0].TC_RB = tim->TC_CHANNEL[0].TC_CV + timeout;
tim->TC_CHANNEL[0].TC_RB = value;
tim->TC_CHANNEL[0].TC_IER = TC_IER_CPBS;
break;
case 2:
tim->TC_CHANNEL[0].TC_RC = tim->TC_CHANNEL[0].TC_CV + timeout;
tim->TC_CHANNEL[0].TC_RC = value;
tim->TC_CHANNEL[0].TC_IER = TC_IER_CPCS;
break;
case 3:
tim->TC_CHANNEL[1].TC_RA = tim->TC_CHANNEL[1].TC_CV + timeout;
tim->TC_CHANNEL[1].TC_RA = value;
tim->TC_CHANNEL[1].TC_IER = TC_IER_CPAS;
break;
case 4:
tim->TC_CHANNEL[1].TC_RB = tim->TC_CHANNEL[1].TC_CV + timeout;
tim->TC_CHANNEL[1].TC_RB = value;
tim->TC_CHANNEL[1].TC_IER = TC_IER_CPBS;
break;
case 5:
tim->TC_CHANNEL[1].TC_RC = tim->TC_CHANNEL[1].TC_CV + timeout;
tim->TC_CHANNEL[1].TC_RC = value;
tim->TC_CHANNEL[1].TC_IER = TC_IER_CPCS;
break;
default:
return -1;
}
return 1;
}