acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
ESP32_A1S.ino (4311B)
      1 // found this sketch on https://www.mikrocontroller.net/topic/474383
      2 // thanks to Michael U. (amiga)
      3 
      4 #include "Arduino.h"
      5 #include "WiFi.h"
      6 #include "SPI.h"
      7 #include "SD.h"
      8 #include "FS.h"
      9 #include "Wire.h"
     10 #include "AC101.h" //https://github.com/schreibfaul1/AC101
     11 // #include "ES8388.h"  // https://github.com/maditnerd/es8388
     12 #include "Audio.h" //https://github.com/schreibfaul1/ESP32-audioI2S
     13 
     14 
     15 // SPI GPIOs
     16 #define SD_CS         13
     17 #define SPI_MOSI      15
     18 #define SPI_MISO       2
     19 #define SPI_SCK       14
     20 
     21 // I2S GPIOs, the names refer on AC101, AS1 Audio Kit V2.2 2379
     22 #define I2S_DSIN      25
     23 #define I2S_BCLK      27
     24 #define I2S_LRC       26
     25 #define I2S_MCLK       0
     26 #define I2S_DOUT      35
     27 
     28 // I2S GPIOs, the names refer on ES8388, AS1 Audio Kit V2.2 3378
     29 //#define I2S_DSIN    35
     30 //#define I2S_BCLK    27
     31 //#define I2S_LRC     25
     32 //#define I2S_MCLK     0
     33 //#define I2S_DOUT    26
     34 
     35 // I2C GPIOs
     36 #define IIC_CLK       32
     37 #define IIC_DATA      33
     38 
     39 // buttons
     40 // #define BUTTON_2_PIN 13             // shared mit SPI_CS
     41 #define BUTTON_3_PIN  19
     42 #define BUTTON_4_PIN  23
     43 #define BUTTON_5_PIN  18               // Stop
     44 #define BUTTON_6_PIN   5               // Play
     45 
     46 // amplifier enable
     47 #define GPIO_PA_EN    21
     48 
     49 //Switch S1: 1-OFF, 2-ON, 3-ON, 4-OFF, 5-OFF
     50 
     51 String ssid =     "xxxxxxxxx";
     52 String password = "xxxxxxxxx";
     53 
     54 static AC101 dac;                                 // AC101
     55 //    ES8388 dac;                                 // ES8388 (new board)
     56 int volume = 40;                                  // 0...100
     57 
     58 Audio audio;
     59 
     60 //#####################################################################
     61 
     62 void setup()
     63 {
     64   Serial.begin(115200);
     65   Serial.println("\r\nReset");
     66   Serial.printf_P(PSTR("Free mem=%d\n"), ESP.getFreeHeap());
     67 
     68   pinMode(SD_CS, OUTPUT);
     69   digitalWrite(SD_CS, HIGH);
     70   SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
     71   SPI.setFrequency(1000000);
     72 
     73   SD.begin(SD_CS);
     74 
     75   WiFi.mode(WIFI_STA);
     76   WiFi.begin(ssid.c_str(), password.c_str());
     77 
     78   while (WiFi.status() != WL_CONNECTED)
     79   {
     80     Serial.print(".");
     81     delay(100);
     82   }
     83 
     84   Serial.printf_P(PSTR("Connected\r\nRSSI: "));
     85   Serial.print(WiFi.RSSI());
     86   Serial.print(" IP: ");
     87   Serial.println(WiFi.localIP());
     88 
     89     Serial.printf("Connect to DAC codec... ");
     90     while (not dac.begin(IIC_DATA, IIC_CLK))
     91     {
     92         Serial.printf("Failed!\n");
     93         delay(1000);
     94     }
     95     Serial.printf("OK\n");
     96 
     97     dac.SetVolumeSpeaker(volume);
     98     dac.SetVolumeHeadphone(volume);
     99 //  ac.DumpRegisters();
    100 
    101     // Enable amplifier
    102     pinMode(GPIO_PA_EN, OUTPUT);
    103     digitalWrite(GPIO_PA_EN, HIGH);
    104 
    105     // set I2S_MasterClock
    106     audio.i2s_mclk_pin_select(I2S_MCLK);
    107 
    108     audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DSIN);
    109     audio.setVolume(10); // 0...21
    110 
    111     audio.connecttoFS(SD, "/320k_test.mp3");
    112 //  audio.connecttoSD("/Banana Boat Song - Harry Belafonte.mp3");
    113 //  audio.connecttohost("http://mp3channels.webradio.antenne.de:80/oldies-but-goldies");
    114 //  audio.connecttohost("http://dg-rbb-http-dus-dtag-cdn.cast.addradio.de/rbb/antennebrandenburg/live/mp3/128/stream.mp3");
    115 //  audio.connecttospeech("Wenn die Hunde schlafen, kann der Wolf gut Schafe stehlen.", "de");
    116 
    117 }
    118 
    119 //-----------------------------------------------------------------------
    120 
    121 void loop()
    122 {
    123     audio.loop();
    124 }
    125 
    126 // optional
    127 void audio_info(const char *info){
    128     Serial.print("info        "); Serial.println(info);
    129 }
    130 void audio_id3data(const char *info){  //id3 metadata
    131     Serial.print("id3data     ");Serial.println(info);
    132 }
    133 void audio_eof_mp3(const char *info){  //end of file
    134     Serial.print("eof_mp3     ");Serial.println(info);
    135 }
    136 void audio_showstation(const char *info){
    137     Serial.print("station     ");Serial.println(info);
    138 }
    139 void audio_showstreamtitle(const char *info){
    140     Serial.print("streamtitle ");Serial.println(info);
    141 }
    142 void audio_bitrate(const char *info){
    143     Serial.print("bitrate     ");Serial.println(info);
    144 }
    145 void audio_commercial(const char *info){  //duration in sec
    146     Serial.print("commercial  ");Serial.println(info);
    147 }
    148 void audio_icyurl(const char *info){  //homepage
    149     Serial.print("icyurl      ");Serial.println(info);
    150 }
    151 void audio_lasthost(const char *info){  //stream URL played
    152     Serial.print("lasthost    ");Serial.println(info);
    153 }
    154 void audio_eof_speech(const char *info){
    155     Serial.print("eof_speech  ");Serial.println(info);
    156 }