Тема: ESP32 + PCM5102A Интернет радио
 
 
Управление: энкодер, 2 кнопки
 
  
  
  
  
 
 
 
#include "Arduino.h"
#include "WiFi.h"
#include "Audio.h"             // https://github.com/schreibfaul1/ESP32-audioI2S.git
#include <Wire.h> 
#include <LiquidCrystal_I2C.h> // http://forum.rcl-radio.ru/misc.php?action=pan_download&item=45&download=1
#include <ESP32Encoder.h>      // https://github.com/madhephaestus/ESP32Encoder.git
#include <EEPROM.h>
#define I2S_DOUT      25  // DIN connection
#define I2S_BCLK      27  // Bit clock
#define I2S_LRC       26  // Left Right Clock
#define CLK           19  // CLK ENCODER
#define DT            18  // DT ENCODER
#define SW             5  // SW ENCODER  
#define CH_UP         13  // CH_UP BUTTON 
#define CH_DOWN       12  // CH_DOWN BUTTON    
#define CH             6  // кол-во станций
  Audio audio;
  LiquidCrystal_I2C lcd(0x27,16,2);  // Устанавливаем дисплей
  ESP32Encoder encoder;
  String ssid =     "Keenetic-9009";     // ssid сети WI-FI
  String password = "32481975";     // пароль от сети WI-FI
  String ch = "connection      ";
  String bitr;
  unsigned long oldPosition  = -999,newPosition,times1;
  bool w=1,w1,ball_1,bass_1,mid_1,treb_1,vol_1;
  int ct,old_ct = 1,menu,ball,bass,mid,treb,vol=15;
  bool e_vol,e_ball,e_bass,e_mid,e_treb,e_ct;
  
  hw_timer_t * timer = NULL;
  portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
  
  const char *listch[]{
  "https://rusradio.hostingradio.ru/rusradio96.aacp",
  "https://str.pcradio.ru/funradio_sk_80s90s-hi",
  "http://radio.promodj.com:8000/186mph-192",
  "http://live.novoeradio.by:8000/narodnoe-radio-128k",
  "http://listen1.myradio24.com:9000/3355",
  "http://101.ru/api/channel/getServers/192/channel/AAC/128/dataFormat/mobile",
  };
void setup() {
  ESP32Encoder::useInternalWeakPullResistors=UP;
  encoder.attachHalfQuad(DT, CLK);
  encoder.setCount(0);
  Serial.begin(9600);
  WiFi.disconnect();
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid.c_str(), password.c_str());
  lcd.init();lcd.backlight();
  lcd.setCursor(0,0);lcd.print("  ESP32  RADIO   ");
  lcd.setCursor(0,1);lcd.print("    PCM5102A     ");
  delay(2000);
  while (WiFi.status() != WL_CONNECTED) delay(100);
  lcd.clear();
  lcd.setCursor(0,0);lcd.print("IP:");lcd.print(WiFi.localIP());
  delay(2000);
  lcd.clear();
  EEPROM.begin(10);
  vol = EEPROM.read(0);
  ball = EEPROM.read(1)-16;
  bass = EEPROM.read(2)-40;
  mid = EEPROM.read(3)-40;
  treb = EEPROM.read(4)-40;
  ct = EEPROM.read(5);
  if(vol>21){vol=0;}
  if(ball>16){ball=0;}
  if(bass>16){bass=0;}
  if(mid>16){mid=0;}
  if(treb>16){treb=0;}
  if(ct>CH-1){ct=0;}
  audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
  delay(2000);
  audio.setBalance(ball);//+-16
  audio.setVolume(vol); // 0...21
  audio.setTone(0,0,0);//-40+16
  pinMode(CH_UP, INPUT_PULLUP);
  pinMode(CH_DOWN, INPUT_PULLUP);
  pinMode(SW,INPUT);          // ENCODER SW 
}
void loop(){   
   newPosition = encoder.getCount()/2;
//// ENCODER VOLUME ////////////////////////////////////////////// 
 if(menu==0){ 
 if(newPosition != oldPosition){oldPosition = newPosition;vol=vol-newPosition;encoder.setCount(0);
    newPosition=0;times1=millis();w1=1;if(vol>21){vol=21;}if(vol<0){vol=0;}audio.setVolume(vol);vol_1=1;e_vol=1;}
    if(vol_1==1){vol_1=0;lcd.setCursor(9,1);lcd.print("VOL ");lcd.print(vol);lcd.print(" ");}}
///// ENCODER BALANCE ////////////////////////////////////////////
 if(menu==1){ 
 if(newPosition != oldPosition){oldPosition = newPosition;ball=ball-newPosition;encoder.setCount(0);
    newPosition=0;times1=millis();w1=1;if(ball>16){ball=16;}if(ball<-16){ball=-16;}audio.setBalance(ball);ball_1=1;e_ball=1;}
    if(ball_1==1){ball_1=0;lcd.setCursor(0,0);lcd.print("BALANCE ");lcd.print(ball);lcd.print(" dB  ");}} 
///// ENCODER BASS ////////////////////////////////////////////
 if(menu==2){ 
 if(newPosition != oldPosition){oldPosition = newPosition;bass=bass-newPosition;encoder.setCount(0);
    newPosition=0;times1=millis();w1=1;if(bass>16){bass=16;}if(bass<-40){bass=-40;}audio.setTone(bass,mid,treb);bass_1=1;e_bass=1;}
    if(bass_1==1){bass_1=0;lcd.setCursor(0,0);lcd.print("BASS ");lcd.print(bass);lcd.print(" dB  ");}}
///// ENCODER MIDDLE ////////////////////////////////////////////
 if(menu==3){ 
 if(newPosition != oldPosition){oldPosition = newPosition;mid=mid-newPosition;encoder.setCount(0);
    newPosition=0;times1=millis();w1=1;if(mid>16){mid=16;}if(mid<-40){mid=-40;}audio.setTone(bass,mid,treb);mid_1=1;e_mid=1;}
    if(mid_1==1){mid_1=0;lcd.setCursor(0,0);lcd.print("MIDDLE ");lcd.print(mid);lcd.print(" dB  ");}} 
///// ENCODER TREBLE ////////////////////////////////////////////
 if(menu==4){ 
 if(newPosition != oldPosition){oldPosition = newPosition;treb=treb-newPosition;encoder.setCount(0);
    newPosition=0;times1=millis();w1=1;if(treb>16){treb=16;}if(treb<-40){treb=-40;}audio.setTone(bass,mid,treb);treb_1=1;e_treb=1;}
    if(treb_1==1){treb_1=0;lcd.setCursor(0,0);lcd.print("TREBLE ");lcd.print(treb);lcd.print(" dB  ");}}                 
//// BUTTON //////////////////////////////////////////////   
 if (digitalRead(13)==LOW){ct++;if(ct>CH-1){ct=0;}w=1;times1=millis();w1=1;ch="connection      ";lcd.setCursor(0,0);lcd.print(ch);menu=0;e_ct=1;}
 if (digitalRead(12)==LOW){ct--;if(ct<0){ct=CH-1;}w=1;times1=millis();w1=1;ch="connection      ";lcd.setCursor(0,0);lcd.print(ch);menu=0;e_ct=1;Serial.println(ct);}
 if (digitalRead(5)==LOW){menu++;if(menu>4){menu=0;}times1=millis();w1=1;lcd.clear();vol_1=1;ball_1=1;bass_1=1;mid_1=1;treb_1=1;if(menu==0){w=1;}delay(300);}
////////////////////////////////////////////////////////// 
 if (ct != old_ct) {ch!="connection      ";audio.connecttohost(listch[ct]);Serial.println(ct);old_ct = ct;w=1;}
 if(menu==0){
  if(w==1&&ch!="connection      "){
  lcd.clear();w=0;
  lcd.setCursor(0,0);lcd.print(ch);
  lcd.setCursor(0,1);lcd.print("CH");lcd.print(ct);lcd.print(" ");
  lcd.print(float(bitr.toInt()/1000),0);lcd.print("k ");
  lcd.setCursor(9,1);lcd.print("VOL ");lcd.print(vol);lcd.print(" ");
  }}
  
  audio.loop();
//// EEPROM ///////////////////////////////////
  if(millis()-times1>5000&&w1==1){
  if(e_vol==1){e_vol=0;EEPROM.write(0,vol);}
  if(e_ball==1){e_ball=0;EEPROM.write(1,ball+16);}
  if(e_bass==1){e_bass=0;EEPROM.write(2,bass+40);}
  if(e_mid==1){e_mid=0;EEPROM.write(3,mid+40);}
  if(e_treb==1){e_treb=0;EEPROM.write(4,treb+40);}
  if(e_ct==1){e_ct=0;EEPROM.write(5,ct);}
  EEPROM.commit();}
  if(millis()-times1>10000&&w1==1){
  w1=0;if(menu!=0){w=1;menu=0;}}
  
} // loop
void audio_showstation(const char *info) {Serial.print("station     "); ch=info; Serial.println(info);}
void audio_showstreamtitle(const char *info) {Serial.print("streamtitle "); Serial.println(info);}
void audio_bitrate(const char *info) {Serial.print("bitrate     ");bitr = info; Serial.println(info);}
void audio_icyurl(const char *info) {Serial.print("icyurl      "); Serial.println(info);}
void audio_lasthost(const char *info) {Serial.print("lasthost    "); Serial.println(info);}
