63 lines
1.3 KiB
Arduino
63 lines
1.3 KiB
Arduino
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/**
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* @file streams-catstream-audiokit.ino
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* @author Phil Schatzmann
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* @brief Demo how to use a CatStream to concatenate multiple audio files and use it with the AudioKitEs8388V1
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* @version 0.1
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* @date 2022-10-09
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#include "FS.h"
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#include "SD_MMC.h"
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#include "AudioTools.h"
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#include "AudioTools/AudioLibs/AudioBoardStream.h"
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#include "AudioTools/AudioCodecs/CodecMP3Helix.h"
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AudioBoardStream i2s(AudioKitEs8388V1);
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MP3DecoderHelix mp3;
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File audioFile;
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EncodedAudioStream encoded(&audioFile, &mp3); // Decoding stream
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NullStream nullStream;
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CatStream cat(true);
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StreamCopy copier(i2s, cat);
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void setup(){
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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delay(5000);
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Serial.println("starting");
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// setup audiokit before SD!
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auto config = i2s.defaultConfig(TX_MODE);
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config.sd_active = false;
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i2s.begin(config);
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i2s.setVolume(1.0);
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// open sdmmc
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if (!SD_MMC.begin("/sdcard", false)){
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Serial.println("SD_MMC Error");
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stop();
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}
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// open file
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audioFile = SD_MMC.open("/Music/mp3-test/44100.mp3");
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if (!audioFile){
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Serial.println("File does not exist");
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stop();
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}
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// mp3 file followed by silence
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cat.add(encoded);
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cat.add(nullStream);
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cat.begin();
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// start decoder stream
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encoded.begin();
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}
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void loop(){
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copier.copy();
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}
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