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esp32: generalize i2s queue handling

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This commit is contained in:
Matthias Ringwald 2021-12-27 23:44:44 +01:00
parent 8e0e81b08a
commit 559544deb6
1 changed files with 12 additions and 11 deletions
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23
port/esp32/components/btstack/btstack_audio_esp32.c
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@ -53,6 +53,7 @@
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "driver/i2s.h"
#include <string.h>
#ifdef CONFIG_ESP_LYRAT_V4_3_BOARD
#include "driver/i2c.h"
@ -122,21 +123,21 @@ void btstack_audio_esp32_es8388_init(void){
static void btstack_audio_esp32_sink_fill_buffer(void){
size_t bytes_written;
uint8_t buffer[DMA_BUFFER_SAMPLES * BYTES_PER_SAMPLE_STEREO];
(*btstack_audio_esp32_sink_playback_callback)((int16_t*)buffer, DMA_BUFFER_SAMPLES);
if ((btstack_audio_esp32_sink_playback_callback != NULL) && (btstack_audio_esp32_sink_state == BTSTACK_AUDIO_ESP32_STREAMING)){
(*btstack_audio_esp32_sink_playback_callback)((int16_t *) buffer, DMA_BUFFER_SAMPLES);
} else {
memset(buffer, 0, sizeof(buffer));
}
i2s_write(i2s_num, buffer, DMA_BUFFER_SAMPLES * btstack_audio_esp32_sink_bytes_per_sample, &bytes_written, portMAX_DELAY);
}
static void btstack_audio_esp32_driver_timer_handler(btstack_timer_source_t * ts){
// playback buffer ready to fill
if (btstack_audio_esp32_sink_playback_callback){
// read from i2s event queue
i2s_event_t i2s_event;
if( 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();
}
// read from i2s event queue
i2s_event_t i2s_event;
if( 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();
}
}