Ruby on Arduino

gistfile1.h

#define R 2
#define G 3
#define B 4
#define S 5
#define WAIT 500

int inByte = 0;
int inSwitch = HIGH;

bool r, g, b, blink, off;
void setup() {
  Serial.begin(9600);
  r = g = b = blink = off = false;
  pinMode(S, INPUT);
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
} 

void loop() {
  int wait = WAIT;
  if (Serial.available() > 0) {
    inByte = Serial.read();
    Serial.println(inByte);
    
    
    // blink = inByte & 0x10 ? true : false;
    //0x20
    off = inByte & 0x80 ? true : false;
    
    r = inByte & 0x01 ? (!off ? true : false) : r;
    g = inByte & 0x02 ? (!off ? true : false) : g;
    b = inByte & 0x04 ? (!off ? true : false) : b;
  }
  inSwitch = digitalRead(S);
  if (inSwitch == HIGH) {
    // r = g = b = LOW;
    wait = WAIT;
    Serial.write('¥0');
  } else {
    // r = g = b = HIGH;
    wait = WAIT / 2;
    Serial.write(1);
  }
  digitalWrite(R, r ? HIGH : LOW);
  digitalWrite(G, g ? HIGH : LOW);
  digitalWrite(B, b ? HIGH : LOW);
  delay(wait);
  digitalWrite(R, LOW);
  digitalWrite(G, LOW);
  digitalWrite(B, LOW);
  delay(wait);
}