Rain alarm - Proto 3 - Speaker + External DAC + SD Card Reader

main.cpp

#include "Arduino.h"
#include "Audio.h"
#include "SD.h"
#include "FS.h"

#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()
{
    Serial.begin(115200);
    while (!Serial)
        ;

    pinMode(SD_CS, OUTPUT);
    digitalWrite(SD_CS, HIGH);
    SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
    SD.begin(SD_CS);
    audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
    audio.setVolume(15); // 0...21
    audio.connecttoFS(SD, "/Breath of the Wild [Main Theme] - The Legend of Zelda Breath of the Wild.mp3");
}

void loop()
{
    audio.loop();
}