first release

PlayMP3fromSDviaI2S.ino

+#include "Arduino.h"
+#include "audioI2S/Audio.h"
+#include "SD.h"
+#include "FS.h"
+
+// Digital I/O used
+#define SD_CS          5
+#define SPI_MOSI      23
+#define SPI_MISO      19
+#define SPI_SCK       18
+#define I2S_DOUT      25
+#define I2S_BCLK      27
+#define I2S_LRC       26
+
+Audio audio;
+
+void setup() {
+    SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
+    Serial.begin(115200);
+    SD.begin(SD_CS);
+    audio.connecttoSD("320k_test.mp3");
+    audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
+    audio.setVolume(21); // 0...21
+}
+
+void loop()
+{
+    audio.loop();
+}
+
+// optional
+void audio_info(const char *info){
+    Serial.println(info);
+}
+void audio_id3data(const char *info){  //id3 metadata
+    Serial.println(info);
+}
+void audio_eof_mp3(const char *info){  //end of file
+    Serial.println(info);
+}