Run background tasks while waiting for next buffer.

relic-se · relic-se · commit 3c97fd8df167 · 2024-12-21T12:40:04.000-06:00
diff --git a/ports/raspberrypi/common-hal/audiobusio/I2SIn.c b/ports/raspberrypi/common-hal/audiobusio/I2SIn.c
@@ -301,8 +301,9 @@ audioio_get_buffer_result_t audiobusio_i2sin_get_buffer(audiobusio_i2sin_obj_t *
 
     // TODO: single_channel_output
 
-    if (!audio_dma_has_buffer(&self->dma)) {
-        return GET_BUFFER_ERROR;
+    // Do other things while we wait for the buffer to fill.
+    while (!audio_dma_has_buffer(&self->dma)) {
+        RUN_BACKGROUND_TASKS;
     }
 
     *buffer_length = self->buffer_size;

Original file line number	Diff line number	Diff line change
`@@ -301,8 +301,9 @@ audioio_get_buffer_result_t audiobusio_i2sin_get_buffer(audiobusio_i2sin_obj_t *`
`301`	`301`
`302`	`302`	`// TODO: single_channel_output`
`303`	`303`
`304`		`- if (!audio_dma_has_buffer(&self->dma)) {`
`305`		`- return GET_BUFFER_ERROR;`
	`304`	`+ // Do other things while we wait for the buffer to fill.`
	`305`	`+ while (!audio_dma_has_buffer(&self->dma)) {`
	`306`	`+ RUN_BACKGROUND_TASKS;`
`306`	`307`	`}`
`307`	`308`
`308`	`309`	`*buffer_length = self->buffer_size;`