// You can assign any number of functions to different pins. How cool is that?
void ROTTARY_SW_sw_INT() {
   Serial.println("ROTTARY_SW_sw_INT TRIG");
}

/*
void ROTTARY_SW_dt_INT() {
   Serial.println("ROTTARY_SW_dt_INT TRIG");
}
void ROTTARY_SW_clk_INT() {
   Serial.println("ROTTARY_SW_clk_INT TRIG");
}
*/

void ROTTARY_SW_dt_INT() {
 cli(); //stop interrupts happening before we read pin values
  reading1 = digitalRead(ROTTARY_SW_clk) ;
  reading2 = digitalRead(ROTTARY_SW_dt);
  //reading = PIND & 0xC; //read all eight pin values then strip away all but pinA and pinB's values
  if (reading1 == 1 and reading1 == 1 and aFlag) { //check that we have both pins at detent (HIGH) and that we are expecting detent on this pin's rising edge
    
    if(encoderPos == ARDUINO_SIZE_MIN_encoderPos) {
    } else {
        encoderPos --; //increment the encoder's position count
    }
    bFlag = 0; //reset flags for the next turn
    aFlag = 0; //reset flags for the next turn
  }  else if (reading1  == 0 and reading2  == 1) {
   bFlag = 1; //signal that we're expecting pinA to signal the transition to detent from free rotation
  }
  sei(); //restart interrupts
  #ifdef DEBUG
  if(DEBUG > 4) {
    Serial.print("dt_: #[");  Serial.print(encoderPos); Serial.print("] R1[");  Serial.print(reading1); Serial.print("] R2[");  Serial.print(reading2); Serial.print("] aFlag["); Serial.print(aFlag);   Serial.print("] bFlag["); Serial.print(bFlag); 
     Serial.println("] "); }
   #endif
}

void ROTTARY_SW_clk_INT(){
 cli(); //stop interrupts happening before we read pin values
  reading1 = digitalRead(ROTTARY_SW_clk) ;
  reading2 = digitalRead(ROTTARY_SW_dt);
  //reading = PIND & 0xC; //read all eight pin values then strip away all but pinA and pinB's values
  if (reading1 == 1 and reading2 == 1 && bFlag) { //check that we have both pins at detent (HIGH) and that we are expecting detent on this pin's rising edge
    
    
    if(encoderPos == ARDUINO_SIZE_MAX_encoderPos) {
    } else {
        encoderPos ++; //increment the encoder's position count
    }
    bFlag = 0; //reset flags for the next turn
    aFlag = 0; //reset flags for the next turn
     
  //  Serial.print("clkA: #[");  Serial.print(encoderPos); Serial.print("] R1["); Serial.print(reading1); Serial.print("] R2[");  Serial.print(reading2); Serial.print("] AFlag["); Serial.print(aFlag);   Serial.print("] bFlag["); Serial.print(bFlag);  Serial.println("] ");

  }  else if (reading1 == 1  ) {
   aFlag = 1; //signal that we're expecting pinA to signal the transition to detent from free rotation
  }
   #ifdef DEBUG
    if(DEBUG > 4) {
    Serial.print("clkA: #[");  Serial.print(encoderPos); Serial.print("] R1["); Serial.print(reading1); Serial.print("] R2[");  Serial.print(reading2); Serial.print("] AFlag["); Serial.print(aFlag);   Serial.print("] bFlag["); Serial.print(bFlag);  
    Serial.println("] "); }
   #endif
  sei(); //restart interrupts
      
}