//nao fundional pendente de alteracao
// 
//MUXES
#include <light_CD74HC4067.h>
#define nmux 3                  // s0 s1 s2 s3: select pins
CD74HC4067 mux[nmux]={{5,6, 7, 8},{5,6,7,8},{5,6,7,8}};  // create a new CD74HC4067 object with its four select lines - 8,9,10,11
byte muxen[nmux]={2,3,4};  //mux enable(LOW)/disable(HIGH) pins
int signal_pin[nmux] = {14,15,16}; // Pin A0 - Connected to Sig pin of CD74HC4067

//ENCODERS
#define nenc 2 //number of encoders
//#define encA 14 //pin adress of encoders CLK A0
//#define encB 15  //pin adress of encoders DT A1
//byte vencs[nenc][2]={{0,0},{0,0}};  //values of [encoders] [new_value,previous_value]
int val[nenc][5]={{0,0,0,0,0},{0,0,0,0,0}};  //{aState[CLK pin], B[DT pin],SWclick,aLastState, counter}
/* 
#define encC 16  //encoder buttons A2 pin- assign the 'click' from SW encoder pin
unsigned long time=0; //tempo decorrido desde o inicio do programa: p/ evitar dupla detecção dos switches
 int counter = 0; 
 int aState;
 int aLastState; */
bool mostra=false;

void setup() {
  Serial.begin(9600);
  for (byte i = 0; i < nmux; i++) {       //SETUP dos MUXES
    pinMode(signal_pin[i], INPUT); // Set as input for reading through signal pin
    pinMode(muxen[i], OUTPUT); 
    digitalWrite(muxen[i],HIGH);
  } 
  //SETUP dos ENCODERS
	 /*pinMode (encA,INPUT);
   pinMode (encB,INPUT);
   pinMode (encC,INPUT);*/
  for (byte i = 0; i < nenc; i++) {  
    val[i][3]=digitalRead(signal_pin[i]); 
  }
}

void loop() {  //otimizado
    for (byte i = 0; i < nenc; i++) {             // loop through channels 0 - 15 : 2 para testes
      for (byte m = 0; m < nmux; m++) {    //loop through muxes
          digitalWrite(muxen[m], LOW);   delay(10);
          mux[m].channel(i); delay(10);
          val[i][m] = digitalRead(signal_pin[m]);      delay(1);                 // Read analog value
          digitalWrite(muxen[m], HIGH);  delay( 5);
          for(int e :val){ Serial.print(e); }
          Serial.println();
      }  //fim leitura de um canal / 1 encoder

      if (val[i][0]!=val[i][3] && val[i][0]==1){
        mostra=true;
        if(val[i][1]!=val[i][0]){ val[i][4]++;        }
        else{  val[i][4]--;        }
      }else {mostra=false; }
      val[i][3]  = val[i][0];
      if (mostra){
       Serial.print(" Channel "+String(i+1)+": "+String(val[i][0]));  // Print value
       Serial.print(",      "+String(val[i][1])+",      "+String(val[i][2])+",      "+String(val[i][4]));
       delay(5);
      }
    }  //fim leitura de canais / encoders

/*
	for(byte i=0; i<nenc ; i++){									//percorre todos os encoders
		byte tmp=encs[i].get_change();         //ve o valor de cada um
    if (tmp!=0){ vencs[i][1]=vencs[i][0];  vencs[i][0]+=tmp;  //se mudou, atualiza e...
	  Serial.print(encs[i].get_count());    Serial.print(' ');}       //depois imprime
	  if( (digitalRead(encb[i]))==0 && millis()-time>100){
			 Serial.print("botao pressionado:"); Serial.println(i);  //ve se os botoes dos encoders foram pressionados
			 time=millis();}; 
	}*/
	delay(500); //da um tempinho pro Arduino descansar
}