//
#include <light_CD74HC4067.h>
 //MUXES   !!! as entradas não usadas devem ser aterradas, senao interferem na leitura dos outros pinos !!!
  #define nmux 1                  // s0 s1 s2 s3: select pins
  CD74HC4067 mux[nmux]={{8, 9, 10, 11}};  // create a new CD74HC4067 object with its four select lines - 8,9,10,11
  byte muxen[nmux]={2};  //mux enable(LOW)/disable(HIGH) pins
  int signal_pin[nmux] = {A0}; // Pin A0 - Connected to Sig pin of CD74HC4067

//ENCODERS
#define nenc 2 //number of encoders                               0             1            2               3            4
int val[nenc][5]={{0,0,0,0,0},{0,0,0,0,0}};  //{aState[CLK pin], B[DT pin],SWclick,aLastState, counter}
//int val[nenc][5]={{1,1,1,1,1},{1,1,1,1,1}};
byte mostra;  //mostra valores
int aLastState;
int aState;
int cont=0;

  void setup()  {
    Serial.begin(9600);
    for (byte i = 0; i < nmux; i++) { 
      pinMode(signal_pin[i], INPUT); // Set as input for reading through signal pin
      pinMode(muxen[i], OUTPUT); 
      digitalWrite(muxen[i],HIGH);
    } 
    for (byte i = 0; i < nenc; i++) {  
      val[i][3]=digitalRead(signal_pin[i]); 
    }
    delay(10);
    mostra=0;
    aLastState=digitalRead(12); 
  }

  void loop()  {
    for (byte i = 0; i < nenc; i++) {             // loop through channels 0 - 15  //DIP Switches
      
      for (byte m = 0; m < nmux; m++) {    //loop through muxes
          digitalWrite(muxen[m], LOW);     //delay(1); //ativa mux
          mux[m].channel(i); delay(1);
          val[i][m] = analogRead(signal_pin[m]);                    // Read analog value
          //if (val[i][m]>750){  val[i][m]=1;}          //conversor ADC via software :-)
          //else {val[i][m]= 0;}                        
          if (val[i][m]>-1){ Serial.println(val[i][m]);}
          digitalWrite(muxen[m], HIGH);    delay(1);  //desativa mux
      }  //fim leitura de um canal / 1 encoder 
      /*
      digitalWrite(2, LOW);     //ativa 1
      mux[0].channel(i); delay(10);
      aState=digitalRead(12);
      digitalWrite(2, HIGH);     //desativa 1
      digitalWrite(3, LOW);     //ativa 2
      mux[1].channel(i); delay(10);
      if (aState!=aLastState || aState==1){
        mostra=1;
        Serial.print('.');
        if(digitalRead(13)!=aState){  cont++;       }
        else{                         cont--;        }
      }else {mostra=0; }
      aLastState  = aState;
      digitalWrite(3, HIGH);     //desativa 2
      */
      
      if (val[i][0]!=val[i][3] && val[i][0]==1){
        mostra=1;
        //Serial.print('.');
        val[i][3]  = val[i][0];
        if(val[i][1]!=val[i][0]){ val[i][4]++;       }
        else{                         val[i][4]--;        }
      }else {mostra=0; }
      //val[i][3]  = val[i][0];
      if (mostra==1 ){
        //Serial.println(aState);
       Serial.print(" Channel "+String(i+1)+": "+String(val[i][0]));  // Print value
       Serial.print(",      "+String(val[i][1])+",      "+String(val[i][3])+",      "+String(val[i][4]));
      }      
      delay(50);
    }
  }