Script to 'press' power button on Shuttle PC SH61R4

shuttle_start.ino

//This code runs on MSP430 LaunchPad MSP-EXP430G2 and is compiled+uploaded with Energia

void setup() {
  pinMode(P1_4,INPUT); //POWER BTN
//  pinMode(P1_5,OUTPUT); //LED output
  pinMode(P2_0,INPUT); //LED input
  
  pinMode(P1_0,OUTPUT); //feedback LED1
  pinMode(P1_6,OUTPUT); //feedback LED2, represents state of P2_0
    
  digitalWrite(P1_0,HIGH); //turn on RED led indicating no action
  digitalWrite(P1_6,digitalRead(P2_0)); //forward LED status using GREEN led

  delay(5000);
  
  if (!digitalRead(P2_0)) {
    pinMode(P1_4,OUTPUT);
    digitalWrite(P1_4,LOW);
    delay(100);
    pinMode(P1_4,INPUT); //POWER BTN
    digitalWrite(P1_0,LOW); //turn off RED led indicating power action performed
  }

}

void loop() {  
  digitalWrite(P1_6,digitalRead(P2_0)); //forward LED status using GREEN led
}