acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
SdFat_example.ino (1607B)
      1 //**********************************************************************************************************
      2 //*    audioI2S-- I2S audiodecoder for ESP32,  SdFat example                                                             *
      3 //**********************************************************************************************************
      4 //
      5 // first release on 05/2020
      6 // updated on Sep. 27, 2021
      7 /*
      8 
      9  ⒈ install SdFat V2 from https://github.com/greiman/SdFat
     10  ⒉ activate "SDFATFS_USED"                   in Audio.h
     11  ⒊ activate "#define USE_UTF8_LONG_NAMES 1"  in SdFatConfig.h
     12 
     13 */
     14 
     15 #include "Arduino.h"
     16 #include "Audio.h"
     17 #include "SPI.h"
     18 
     19 // Digital I/O used
     20 #define SD_CS          5
     21 #define SPI_MOSI      23
     22 #define SPI_MISO      19
     23 #define SPI_SCK       18
     24 #define I2S_DOUT      25
     25 #define I2S_BCLK      27
     26 #define I2S_LRC       26
     27 
     28 Audio audio;
     29 
     30 void setup() {
     31     pinMode(SD_CS, OUTPUT);      digitalWrite(SD_CS, HIGH);
     32     SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
     33     SPI.setFrequency(1000000);
     34     Serial.begin(115200);
     35     SD.begin(SD_CS);
     36 
     37     audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
     38     audio.setVolume(12); // 0...21
     39 
     40 //    audio.connecttoFS(SD, "test.mp3");
     41     audio.connecttoFS(SD, "良い一日私の友達.mp3");
     42 }
     43 
     44 void loop()
     45 {
     46     audio.loop();
     47 }
     48 
     49 // optional
     50 void audio_info(const char *info){
     51     Serial.print("info        "); Serial.println(info);
     52 }
     53 void audio_id3data(const char *info){  //id3 metadata
     54     Serial.print("id3data     ");Serial.println(info);
     55 }
     56 void audio_eof_mp3(const char *info){  //end of file
     57     Serial.print("eof_mp3     ");Serial.println(info);
     58 }