I use this example below provided by ESP official. esp-idf-project\sdspi\main\sd_card_example_main.c I want to use Micro_SD card with SPI communication. The problem is why I got failed at cmd ACMD41 ? The SD card always return busy(0x01 response) when the initialization process proceed to command AC...

When making i2s_stream_writer initialization, configure the i2s_cfg.use_alc=true. ESP_LOGI(TAG, "[2.2] Create i2s stream to write data to codec chip"); int player_volume=0; i2s_stream_cfg_t i2s_cfg = I2S_STREAM_CFG_DEFAULT(); i2s_cfg.use_alc = true; i2s_cfg.volume = player_volume; i2s_cfg.type = AUD...

:D I want to continually loop a 2 seconds soundtrack of auto engine to simulate the real engine running. I have tried the example "pipeline_loop_playback_without_gap". It uses two pipelines to input and decode the music alternatively, outputting to one i2s_stream_writer. However, that method cannot ...

Can anyone tell me what kind of message or state the dispatch will do with the audio element at each stage of action? For example, when the mp3_decoder element finishes decoding, what type of state and message will it send out to the pipeline? AEL_STATE_FINISHED? AEL_MSG_CMD_FINISH? AEL_STATUS_STATE...