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clear any pending interrupt flag #9680

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Merged
dhalbert merged 1 commit into from
Oct 4, 2024
Merged

clear any pending interrupt flag #9680

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2 changes: 2 additions & 0 deletions ports/raspberrypi/common-hal/rp2pio/StateMachine.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1038,6 +1038,8 @@ bool common_hal_rp2pio_statemachine_background_write(rp2pio_statemachine_obj_t *
false);

common_hal_mcu_disable_interrupts();
// Acknowledge any previous pending interrupt
dma_hw->ints0 |= 1u << channel;
MP_STATE_PORT(background_pio)[channel] = self;
dma_hw->inte0 |= 1u << channel;
irq_set_mask_enabled(1 << DMA_IRQ_0, true);
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