Energia example : LaunchPad Stellaris

StellarPad.ino

// the setup routine runs once when you press reset:
void setup() {                
  // initialize the digital pin as an output.
  pinMode(RED_LED, OUTPUT);     
  pinMode(GREEN_LED, OUTPUT);     
  pinMode(BLUE_LED, OUTPUT);     
}

// the loop routine runs over and over again forever:
void loop() {
  for (int i=0;i<256;i++) {
    if (i & 0x1) {
      digitalWrite(RED_LED, HIGH);
    } else {
      digitalWrite(RED_LED, LOW);
    }
    if (i & 0x2) {
      digitalWrite(GREEN_LED, HIGH);
    } else {
      digitalWrite(GREEN_LED, LOW);
    }
    if (i & 0x4) {
      digitalWrite(BLUE_LED, HIGH);
    } else {
      digitalWrite(BLUE_LED, LOW);
    }
     delay(500);
  }
}