Interfacing UDA1334A I2S Stereo Decoder Module with ESP32

				
					/*
Create on December 27, 2023
Create by MohammedDamirchi base of https://thecaferobot.com/store/uda1334a-i2s-stereo-decoder-module
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*///**********************************************************************************************************
//    audioI2S-- I2S audiodecoder for ESP32,                                                              *
//**********************************************************************************************************
//
// first release on 11/2018
// Version 3  , Jul.02/2020
//
//
// THE SOFTWARE IS PROVIDED "AS IS" FOR PRIVATE USE ONLY, IT IS NOT FOR COMMERCIAL USE IN WHOLE OR PART OR CONCEPT.
// FOR PERSONAL USE IT IS SUPPLIED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR
// OR COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
//

#include "Arduino.h"
#include "WiFiMulti.h"
#include "Audio.h"
#include "SPI.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;
WiFiMulti wifiMulti;
String ssid = "xxxxx";
String password = "xxxxx";

void setup
{
    pinMode(SD_CS, OUTPUT);
    digitalWrite(SD_CS, HIGH);
    SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
    SPI.setFrequency(1000000);
    Serial.begin(115200);
    SD.begin(SD_CS);
    WiFi.mode(WIFI_STA);
    wifiMulti.addAP(ssid.c_str, password.c_str);
    wifiMulti.run;
    if (WiFi.status != WL_CONNECTED)
    {
        WiFi.disconnect(true);
        wifiMulti.run;
    }
    audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
    audio.setVolume(12); // 0...21

    //    audio.connecttoFS(SD, "/320k_test.mp3");
    //    audio.connecttoFS(SD, "test.wav");
    //    audio.connecttohost("http://www.wdr.de/wdrlive/media/einslive.m3u");
    //    audio.connecttohost("http://macslons-irish-pub-radio.com/media.asx");
    //    audio.connecttohost("http://mp3.ffh.de/radioffh/hqlivestream.aac"); //  128k aac
    audio.connecttohost("http://mp3.ffh.de/radioffh/hqlivestream.mp3"); //  128k mp3
}

void loop
{
    audio.loop;
    if (Serial.available)
    { // put streamURL in serial monitor
        audio.stopSong;
        String r = Serial.readString;
        r.trim;
        if (r.length > 5)
            audio.connecttohost(r.c_str);
        log_i("free heap=%i", ESP.getFreeHeap);
    }
}

// optional
void audio_info(const char *info)
{
    Serial.print("info        ");
    Serial.println(info);
}
void audio_id3data(const char *info)
{ // id3 metadata
    Serial.print("id3data     ");
    Serial.println(info);
}
void audio_eof_mp3(const char *info)
{ // end of file
    Serial.print("eof_mp3     ");
    Serial.println(info);
}
void audio_showstation(const char *info)
{
    Serial.print("station     ");
    Serial.println(info);
}
void audio_showstreamtitle(const char *info)
{
    Serial.print("streamtitle ");
    Serial.println(info);
}
void audio_bitrate(const char *info)
{
    Serial.print("bitrate     ");
    Serial.println(info);
}
void audio_commercial(const char *info)
{ // duration in sec
    Serial.print("commercial  ");
    Serial.println(info);
}
void audio_icyurl(const char *info)
{ // homepage
    Serial.print("icyurl      ");
    Serial.println(info);
}
void audio_lasthost(const char *info)
{ // stream URL played
    Serial.print("lasthost    ");
    Serial.println(info);
}