/* Sample program to toggle LEDs on Wytec EduBase board 
 * The LEDs are connected to pins 3, 4, 19, 38.
 */

/* Tiva TM4C123 */ //const int LED[] = {PB_0, PB_1, PB_2, PB_3};
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);
}