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clear out interrupt when freeing the timer #5613

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Merged
merged 2 commits into from
Dec 28, 2021
Merged

clear out interrupt when freeing the timer #5613

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b1a3ccb
clear out interrupt when freeing the timer
jepler Nov 23, 2021
1986d2e
clear out interrupt flags when disabling timer too
jepler Dec 27, 2021
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5 changes: 5 additions & 0 deletions ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
#include "shared-module/rgbmatrix/RGBMatrix.h"

#include "src/rp2_common/hardware_pwm/include/hardware/pwm.h"
#include "src/rp2_common/hardware_irq/include/hardware/irq.h"

void *common_hal_rgbmatrix_timer_allocate(rgbmatrix_rgbmatrix_obj_t *self) {
// Choose a PWM channel based on the first RGB pin
Expand All @@ -58,13 +59,17 @@ void common_hal_rgbmatrix_timer_enable(void *ptr) {
void common_hal_rgbmatrix_timer_disable(void *ptr) {
int8_t slice = ((intptr_t)ptr) & 0xff;
pwm_set_enabled(slice, false);
irq_set_enabled(PWM_IRQ_WRAP, false);
pwm_clear_irq(slice);
}

void common_hal_rgbmatrix_timer_free(void *ptr) {
intptr_t value = (intptr_t)ptr;
uint8_t slice = value & 0xff;
uint8_t channel = value >> 8;
pwm_set_enabled(slice, false);
irq_set_enabled(PWM_IRQ_WRAP, false);
pwm_clear_irq(slice);
pwmout_free(slice, channel);
return;
}