Blink Example for LaunchPad(MSP430) & Stellaris LaunchPad by Energia

msp430blink.ino

// LaunchPad(MSP430G2231),StellarisLaunchPad(LM4F120)
//
void setup() {
  // initialize the digital pin as an output.
  // Pin 14 has an LED connected on most Arduino boards:
  pinMode(RED_LED, OUTPUT);
  pinMode(GREEN_LED, OUTPUT);
  pinMode(PUSH2, INPUT);
}

  int tg=0;
  int a,b;
void loop() {
  if (tg==0) {
     digitalWrite(RED_LED, HIGH);
     digitalWrite(GREEN_LED, LOW);
  } else {
     digitalWrite(RED_LED, LOW);
     digitalWrite(GREEN_LED, HIGH);
  }    

  a=digitalRead(PUSH2);
  delay(50);
  b=digitalRead(PUSH2);
  if (a==0&&b==0) {
    tg=!tg;
  }
  delay(100);
}