fix memory corruption caused by pre-loading

bablokb · bablokb · commit 66d0f753b152 · 2025-04-23T08:03:17.000+02:00
diff --git a/ports/espressif/common-hal/audiobusio/__init__.c b/ports/espressif/common-hal/audiobusio/__init__.c
@@ -184,7 +184,7 @@ void port_i2s_play(i2s_t *self, mp_obj_t sample, bool loop) {
         self->next_buffer_size = sizeof(starting_frame);
         i2s_fill_buffer(self);
         i2s_channel_preload_data(self->handle, &starting_frame, sizeof(uint32_t), &bytes_loaded);
-        preloaded += 1;
+        preloaded += bytes_loaded;
     }
 
     // enable the channel

Original file line number	Diff line number	Diff line change
`@@ -184,7 +184,7 @@ void port_i2s_play(i2s_t *self, mp_obj_t sample, bool loop) {`
`184`	`184`	`self->next_buffer_size = sizeof(starting_frame);`
`185`	`185`	`i2s_fill_buffer(self);`
`186`	`186`	`i2s_channel_preload_data(self->handle, &starting_frame, sizeof(uint32_t), &bytes_loaded);`
`187`		`- preloaded += 1;`
	`187`	`+ preloaded += bytes_loaded;`
`188`	`188`	`}`
`189`	`189`
`190`	`190`	`// enable the channel`