/** * @file streams-file_loop-audiokit.ino * @author Phil Schatzmann * @brief Just a small demo, how to use looping (=repeating) files with the SD library * @version 0.1 * @date 2022-10-09 * * @copyright Copyright (c) 2022 * */ #include #include #include "AudioTools.h" #include "AudioTools/AudioLibs/AudioBoardStream.h" #include "AudioTools/Disk/FileLoop.h" #include "AudioTools/AudioCodecs/CodecMP3Helix.h" const int chipSelect=PIN_AUDIO_KIT_SD_CARD_CS; AudioBoardStream i2s(AudioKitEs8388V1); // final output of decoded stream EncodedAudioStream decoder(&i2s, new MP3DecoderHelix()); // Decoding stream FileLoop loopingFile; StreamCopy copier(decoder, loopingFile); void setup(){ Serial.begin(115200); AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info); // setup audiokit before SD! auto config = i2s.defaultConfig(TX_MODE); config.sd_active = true; i2s.begin(config); // setup file SD.begin(chipSelect); loopingFile.setFile(SD.open("/ZZ Top/Unknown Album/Lowrider.mp3")); //loopingFile.setLoopCount(-1); // define loop count //audioFile.setStartPos(44); // restart from pos 44 //if ((audioFile.size()-44) % 1024!=0) audioFile.setSize((((audioFile.size()-44)/1024)+1)*1024+44); loopingFile.begin(); // setup I2S based on sampling rate provided by decoder decoder.begin(); } void loop(){ copier.copy(); }