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esp32: only process one tx/rx done event per timer handler

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This commit is contained in:
Matthias Ringwald 2021-12-28 21:36:20 +01:00
parent 0e9aac8b6b
commit 61796fbee7
1 changed files with 13 additions and 9 deletions
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22
port/esp32/components/btstack/btstack_audio_esp32.c
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@ -130,15 +130,20 @@ void btstack_audio_esp32_es8388_init(void){
#endif
static void btstack_audio_esp32_driver_timer_handler(btstack_timer_source_t * ts){
// read from i2s event queue
// read max 2 events from i2s event queue
i2s_event_t i2s_event;
while( xQueueReceive( btstack_audio_esp32_i2s_event_queue, &i2s_event, 0) ){
// fill buffer when DMA buffer was sent
if (i2s_event.type == I2S_EVENT_TX_DONE){
btstack_audio_esp32_sink_fill_buffer();
}
if (i2s_event.type == I2S_EVENT_RX_DONE){
btstack_audio_esp32_source_process_buffer();
int i;
for (i=0;i<2;i++){
if( xQueueReceive( btstack_audio_esp32_i2s_event_queue, &i2s_event, 0) == false) break;
switch (i2s_event.type){
case I2S_EVENT_TX_DONE:
btstack_audio_esp32_sink_fill_buffer();
break;
case I2S_EVENT_RX_DONE:
btstack_audio_esp32_source_process_buffer();
break;
default:
break;
}
}
@ -240,7 +245,6 @@ static void btstack_audio_esp32_init(void){
i2s_driver_install(BTSTACK_AUDIO_I2S_NUM, &config, DMA_BUFFER_COUNT, &btstack_audio_esp32_i2s_event_queue);
i2s_set_pin(BTSTACK_AUDIO_I2S_NUM, &pins);
i2s_zero_dma_buffer(BTSTACK_AUDIO_I2S_NUM);
#ifdef CONFIG_ESP_LYRAT_V4_3_BOARD
btstack_audio_esp32_es8388_init();