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libraries/audio-tools/examples/examples-audiokit/streams-sdmmc_wav-audiokit/streams-sdmmc_wav-audiokit.ino

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+/**
+ * @file streams-sdmmc_wav-audiokit.ino
+ * @author Phil Schatzmann
+ * @brief A simple example that shows how to play (eg. a 24bit) wav file  
+ * @date 2021-11-07
+ * 
+ * @copyright Copyright (c) 2021
+ */
+
+
+#include "FS.h"
+#include "SD_MMC.h"
+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/AudioBoardStream.h"
+
+AudioBoardStream i2s(AudioKitEs8388V1);
+WAVDecoder wav;
+EncodedAudioStream encoded(&i2s, &wav); // Decoding stream
+File audioFile;
+StreamCopy copier(encoded, audioFile); 
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);  
+
+  // setup audiokit before SD!
+  auto config = i2s.defaultConfig(TX_MODE);
+  config.sd_active = false;
+  i2s.begin(config);
+  i2s.setVolume(1.0);
+
+  // open sdmmc
+  if (!SD_MMC.begin("/sdcard", false)){
+    Serial.println("SD_MMC Error");
+    stop();
+  }
+  // open file
+  audioFile = SD_MMC.open("/wav24/test.wav");
+  if (!audioFile){
+    Serial.println("File does not exist");
+    stop();
+  }
+
+  // start decoder stream
+  encoded.begin();
+}
+
+void loop(){
+  copier.copy();
+}