// Pin Definitions: 
#define DELAY1 9 // 22 //PB1 pin D9 di uno pin 15 di AT328
#define DELAY2 10 //9  ////PB2 pin D10 di uno pin 16 di AT328 
#define SWA 3 //PD3 pin D3
#define SWB 1 //PC0 pin A0
#define SWC 2 //PD2 pin D3
#define SWD 4  //PD4 pin D4
#define LED1_G 1 
#define LED1_R 0
#define LED2_G 5
#define LED2_R 6
#define ENC_A A2 //16//PC2 pin A2 
#define ENC_B A3 //18 //PC3 pin A3
#define ENC_GND 17 //
#define ENC_PUSH 19 //
#define BYPASS_DETECT 8 //Push detection PB0 pin 14 AT238 pin D8 di uno
#define TAP_DETECT  15//
 
//VARIABLES
unsigned int ENC_counter = 100; 
int ENC_aState;
int ENC_aLastState;  
int ENC_aState_selection=0;
int ENC_aLastState_selection=0;
void read_encoder(void);
   
// the setup function runs once when you press reset or power the board
void setup() 
{
    Serial.begin(9600);
//set the pins //init the values
pinMode(DELAY1, OUTPUT);    analogWrite(DELAY1, 100);
pinMode(DELAY2, OUTPUT);    analogWrite(DELAY2, 100);
pinMode(SWA, OUTPUT);       digitalWrite(SWA, LOW);
pinMode(SWB, OUTPUT);       digitalWrite(SWB, LOW);
pinMode(SWC, OUTPUT);       digitalWrite(SWC, LOW);
pinMode(SWD, OUTPUT);       digitalWrite(SWD, LOW);
pinMode(LED1_G, OUTPUT);    analogWrite(LED1_G, 0);
pinMode(LED1_R, OUTPUT);    analogWrite(LED1_R, 0);
pinMode(LED2_G, OUTPUT);    analogWrite(LED2_G, 0);
pinMode(LED2_R, OUTPUT);    analogWrite(LED2_R, 0);
pinMode(ENC_A, INPUT);
pinMode(ENC_B, INPUT);
pinMode(ENC_GND, OUTPUT);
pinMode(ENC_PUSH, INPUT_PULLUP);
pinMode(BYPASS_DETECT, INPUT_PULLUP);
pinMode(TAP_DETECT, INPUT_PULLUP);
//ENC_aLastState = digitalRead(ENC_A); 
}
 
 int lastClk = HIGH;
 
void loop() // the loop function runs over and over again forever
{
  Serial.println(" Time Manipulator");
//detect if the effect is on or off
  int newClk = digitalRead(ENC_A);
    Serial.println(newClk);
  if (newClk != lastClk) {
    // There was a change on the CLK pin
    lastClk = newClk;
    int dtValue = digitalRead(ENC_B);
    if (newClk == LOW && dtValue == HIGH) {
      Serial.println("Rotated clockwise ⏩");
     // ENC_counter+=5;
    }
    if (newClk == LOW && dtValue == LOW) {
      Serial.println("Rotated counterclockwise ⏪");
      //ENC_counter-=5;
    }
  }
delay(10);


while((digitalRead(BYPASS_DETECT) == LOW)) 
  {
  digitalWrite(LED1_R,LOW);digitalWrite(LED2_R,LOW);digitalWrite(LED1_G,LOW);digitalWrite(LED2_G,LOW); 
  }  
   
//read_encoder();
readEncoder2();
delay(1000);
//update the delay value based on the encoder reading
analogWrite(DELAY1, ENC_counter);
analogWrite(DELAY2, ENC_counter);
Serial.println(ENC_counter);
//update the LED colors
digitalWrite(LED1_G, HIGH); digitalWrite(LED2_G, HIGH);digitalWrite(LED1_R,LOW);  digitalWrite(LED2_R,LOW);    
//set the audio relay
digitalWrite(SWA, HIGH);digitalWrite(SWB, HIGH);digitalWrite(SWC, HIGH);digitalWrite(SWD, HIGH);

}
 
void read_encoder(void)
{
 ENC_aState = digitalRead(ENC_A); // Reads the "current" state
   if (ENC_aState != ENC_aLastState)
   {    
     if (digitalRead(ENC_B) != ENC_aState) 
          {if(ENC_counter>50)ENC_counter-=5;}
     else
          {if(ENC_counter<230)ENC_counter+=5;}   
   } 
ENC_aLastState = ENC_aState; // Updates the prev. state 

}

void readEncoder2(void)
{
    int newClk = digitalRead(ENC_A);
  if (newClk != lastClk) {
    // There was a change on the CLK pin
    lastClk = newClk;
    int dtValue = digitalRead(ENC_B);
    if (newClk == LOW && dtValue == HIGH) {
      Serial.println("Rotated clockwise ⏩");
      ENC_counter+=5;
    }
    if (newClk == LOW && dtValue == LOW) {
      Serial.println("Rotated counterclockwise ⏪");
      ENC_counter-=5;
    }
  }
}