Merge pull request #350 from pennam/pdm_irq_stop

facchinm · web-flow · commit d26ca9b2a344 · 2021-10-20T16:03:42.000+02:00
RP2040: PDM: Disable DMA_IRQ_0n when stopping PDM peripheral
diff --git a/libraries/PDM/src/rp2040/PDM.cpp b/libraries/PDM/src/rp2040/PDM.cpp
@@ -148,6 +148,7 @@ int PDMClass::begin(int channels, int sampleRate)
 
 void PDMClass::end()
 {
+  NVIC_DisableIRQ(DMA_IRQ_0n);
   pio_remove_program(pio, &pdm_pio_program, offset);
   dma_channel_abort(dmaChannel);
   pinMode(_clkPin, INPUT);

Original file line number	Diff line number	Diff line change
`@@ -148,6 +148,7 @@ int PDMClass::begin(int channels, int sampleRate)`
`148`	`148`
`149`	`149`	`void PDMClass::end()`
`150`	`150`	`{`
	`151`	`+ NVIC_DisableIRQ(DMA_IRQ_0n);`
`151`	`152`	`pio_remove_program(pio, &pdm_pio_program, offset);`
`152`	`153`	`dma_channel_abort(dmaChannel);`
`153`	`154`	`pinMode(_clkPin, INPUT);`