/* Program to toggle LEDs on Wytec EduBase/EduPad board 
 * with Tiva TM4C123/MSP432.
 * The LEDs are connected to pins 3, 4, 19, 38.
 * 
 * Energia 1.6.10E18
 */

const int LED[] = {3, 4, 19, 38};

void setup()
{
    for (int i = 0; i < 4; i++)
    {
      pinMode(LED[i], OUTPUT);
    }
}

void loop()
{
    digitalWrite(LED[3], HIGH);
    digitalWrite(LED[2], LOW);
    digitalWrite(LED[1], HIGH);
    digitalWrite(LED[0], LOW);
    delay(500);
    digitalWrite(LED[3], LOW);
    digitalWrite(LED[2], HIGH);
    digitalWrite(LED[1], LOW);
    digitalWrite(LED[0], HIGH);
    delay(500);
}