From b1a3ccb36c87598b63a2045b8c2fff05a8c61069 Mon Sep 17 00:00:00 2001 From: Jeff Epler Date: Tue, 23 Nov 2021 12:34:03 -0600 Subject: [PATCH 1/2] clear out interrupt when freeing the timer Closes #5418 --- ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c b/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c index f150422e3cf49..8ab4edb598c1b 100644 --- a/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c +++ b/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c @@ -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 @@ -65,6 +66,8 @@ void common_hal_rgbmatrix_timer_free(void *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; } From 1986d2ee71737c36794577cb4dc3cdf7fb1422a7 Mon Sep 17 00:00:00 2001 From: Jeff Epler Date: Mon, 27 Dec 2021 16:42:41 -0600 Subject: [PATCH 2/2] clear out interrupt flags when disabling timer too --- ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c b/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c index 8ab4edb598c1b..d580b4cc6abe1 100644 --- a/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c +++ b/ports/raspberrypi/common-hal/rgbmatrix/RGBMatrix.c @@ -59,6 +59,8 @@ 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) { pFad - Phonifier reborn

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