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esp32/btstack_audio_esp32_v4: tolerate empty i2s read after I2S_EVENT_RX_DONE

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This commit is contained in:
Matthias Ringwald 2023-10-20 10:29:08 +02:00
parent 643a64fcb6
commit 0d72163bdf
1 changed files with 10 additions and 1 deletions
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11
port/esp32/components/btstack/btstack_audio_esp32_v4.c
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@ -442,7 +442,16 @@ static void btstack_audio_esp32_source_process_buffer(void){
uint16_t data_len = btstack_audio_esp32_samples_per_dma_buffer * BYTES_PER_SAMPLE_STEREO;
i2s_read(BTSTACK_AUDIO_I2S_NUM, buffer, data_len, &bytes_read, 0);
btstack_assert(bytes_read == data_len);
// check if full buffer is ready. tolerate reading zero bytes (->retry), but assert on partial read
if (bytes_read == 0){
ESP_LOGW(LOG_TAG, "i2s_read: no data after I2S_EVENT_RX_DONE\n");
return;
} else if (bytes_read < data_len){
ESP_LOGE(LOG_TAG, "i2s_read: only %u of %u!!!\n", (int) bytes_read, data_len);
btstack_assert(false);
return;
}
int16_t * buffer16 = (int16_t *) buffer;
if (btstack_audio_esp32_source_state == BTSTACK_AUDIO_ESP32_STREAMING) {