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cpu/nrf5x_common/periph_timer: fix spurious IRQs

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Marian Buschsieweke 2022-11-24 15:03:10 +01:00
parent 26d5b7ca0b
commit fbd7b77331
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1 changed files with 12 additions and 0 deletions
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12
cpu/nrf5x_common/periph/timer.c
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@ -102,6 +102,12 @@ int timer_set_absolute(tim_t tim, int chan, unsigned int value)
ctx[tim].flags |= (1 << chan);
dev(tim)->CC[chan] = value;
/* clear spurious IRQs */
dev(tim)->EVENTS_COMPARE[chan] = 0;
(void)dev(tim)->EVENTS_COMPARE[chan];
/* enable IRQ */
dev(tim)->INTENSET = (TIMER_INTENSET_COMPARE0_Msk << chan);
return 0;
@ -126,6 +132,12 @@ int timer_set_periodic(tim_t tim, int chan, unsigned int value, uint8_t flags)
if (flags & TIM_FLAG_RESET_ON_SET) {
dev(tim)->TASKS_CLEAR = 1;
}
/* clear spurious IRQs */
dev(tim)->EVENTS_COMPARE[chan] = 0;
(void)dev(tim)->EVENTS_COMPARE[chan];
/* enable IRQ */
dev(tim)->INTENSET = (TIMER_INTENSET_COMPARE0_Msk << chan);
/* re-start timer */