#include <IRremote.h>

IRsend irsend;

const int offButtonPin = 4;
const int nightButtonPin = 5;

int offButtonState = 0;
int nightButtonState = 0;

unsigned long lastCode = 0;
unsigned long newCode = 0;
unsigned long empty = 0;

void setup() {
  pinMode(offButtonPin, INPUT);
  pinMode(nightButtonPin, INPUT);
}

void loop() {

  newCode = empty;

  if(isButtonPressed(offButtonPin)){
    newCode = 0x203552AD;
  }

  if(isButtonPressed(nightButtonPin)){
    newCode = 0x203540BF;
  }

  if(newCode > empty && newCode == lastCode){
    repeat();
  } else if (newCode > empty){
    send(newCode);
    lastCode = newCode;
  } else {
    lastCode = empty;
  }
  delay(100);
}

bool isButtonPressed(int button){
  if(digitalRead(button) == HIGH){
    return true;
  }
  return false;
}
void send(unsigned long code){
   irsend.sendNEC(code, 32);
}

void repeat() {
  unsigned int buf[3];
  buf[0] = 9000;  // Mark 9ms
  buf[1] = 2250;  // Space 2.25ms
  buf[2] = 560;   // Burst
  irsend.sendRaw(buf, 3, 38);
}