//--------------------------------------------
// ATtiny44 LED Test   Mar.16, 2019
//--------------------------------------------


const int ledPin = 8;
const int swPin = 7;

void setup() {
 pinMode(ledPin, OUTPUT);
 pinMode(swPin, INPUT);
 digitalWrite(ledPin, LOW);
 
}

//--------------------------------------------
// Main Loop
//--------------------------------------------

void loop() {

 int ledState = chkSw();

 if(ledState){ 
    digitalWrite(ledPin,HIGH);
 }else{
    digitalWrite(ledPin,LOW);
 }
 
}

//--------------------------------------------
// Check tact sw status
//--------------------------------------------

 int chkSw(){
  
  int val=0;
  int state=0;

  for(int i=0; i<3; i++){     // Chattering
    val += digitalRead(swPin);
    delay(1);
  }

  if(val <1){
    state = 1;
  }
       return(state);
 }