Remote Trigger with Arduino

/*
 * Ultimate Trigger V1
 * by Markus Matern aka PanoTwin Markus
 * 
 * Release: 20120107
 * 
 * This code is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
 * To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/
 * or send a letter to:
 * Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
 */
 
#include <Servo.h>
#include <IRremote.h>
 
// Servo configuration
const int servoPin = 11;
const int minimumAngle = 0;
const int maximumAngle = 179;
const int zeroAngle = 100;
const int wakeUpAngle = 107;
const int shootAngle = 110;
Servo myservo;
 
// Wireless remote configuration
const int triggerWhite = 10;
const int triggerBlue = 9;
int whiteVal = LOW;
int blueVal = LOW;
 
// IR receiver configuration
int RECV_PIN = 8;
IRrecv irrecv(RECV_PIN);
decode_results results;
 
// Diagonstic configuration
const int ledStatus = 7;
const int ledTrigger = 6;
const int ledError = 5;
 
void setup() {
  // Diagnostic setup
  pinMode(ledStatus, OUTPUT);
  digitalWrite(ledStatus, HIGH);
  pinMode(ledTrigger, OUTPUT);
  digitalWrite(ledTrigger, LOW);
  pinMode(ledError, OUTPUT);
  digitalWrite(ledError, LOW);
 
  // Servo setup
  myservo.attach(servoPin);
  myservo.write(zeroAngle);
 
  // Wireless setup
  pinMode(triggerWhite, INPUT);
  // make sure the input pin is not undefined
  digitalWrite(triggerWhite, HIGH);
  pinMode(triggerBlue, INPUT);
  // make sure the input pin is not undefined
  digitalWrite(triggerBlue, HIGH);
 
  // IR receiver setup
  irrecv.enableIRIn(); // Start the receiver
 
  // Serial setup
  Serial.begin(9600);
}
 
void shoot(){
  StatusTrigger(1);
  myservo.write(wakeUpAngle);
  delay(1000);
  myservo.write(shootAngle);
  delay(1000);
  myservo.write(zeroAngle);
  StatusTrigger(0);
  delay(1000);
}
 
void wakeUp(){
  StatusTrigger(1);
  myservo.write(wakeUpAngle);
  delay(1000);
  myservo.write(zeroAngle);
  StatusTrigger(0);
  delay(1000);
}
 
void minAngle(){
  StatusTrigger(1);
  myservo.write(minimumAngle);
  delay(1000);
  myservo.write(zeroAngle);
  delay(1000);
  StatusTrigger(0);
}
 
void maxAngle(){
  StatusTrigger(1);
  myservo.write(maximumAngle);
  delay(1000);
  myservo.write(zeroAngle);
  delay(1000);
  StatusTrigger(0);
}
 
void Blink(int blinkLed,
           int milliseconds,
           int blinkCount)
{
  for(int i = 0; i < blinkCount; i++)   {
      Status(blinkLed, 1);
      delay(milliseconds/blinkCount/2);
      Status(blinkLed, 0);
      delay(milliseconds/blinkCount/2);
    }
  }
  void BlinkBeforeTrigger(int milliseconds) {
    Blink(ledTrigger, milliseconds, 3);
  }
  void StatusTrigger(int newStatus) {
    Status(ledTrigger, newStatus);
  }
  void StatusError(int newStatus) {
    Status(ledError, newStatus);
  }
  void Status(int pin, int newStatus) {
    if(newStatus){
      digitalWrite(pin, HIGH);
    } else {
      digitalWrite(pin, LOW);
    }
  }
  void loop() {
    // remote control via serial communication
    if (Serial.available() > 0) {
    int b = Serial.read();
    switch(b) {
      case 't':
        shoot();
        break;
      case 'w':
        wakeUp();
        break;
      case '0':
        minAngle();
        break;
      case '8':
        maxAngle();
        break;
      default:
        Blink(ledError, 600, 3);
        break;
    }
    Serial.flush();
  } else if (irrecv.decode(&results)) {
    switch(results.value)
    {
      // Sony Shutter (2 Sec)
      case 0xECB8F:
        StatusTrigger(1);
        Blink(ledTrigger, 2000, 4);
      // Note: No break here!
      // fall through to shoot!
      // Sony Shutter
      case 0xB4B8F:
        shoot();
        break;
      case 0:
        break;
      default:
        StatusError(1);
        Serial.println(results.value, HEX);
        Blink(ledError, 600, 3);
        StatusError(0);
        break;
    }
    // Receive the next value
    irrecv.resume();
  } else {
    // Check the wireless remote trigger
    int newWhiteVal = digitalRead(triggerWhite);
    int newBlueVal = digitalRead(triggerBlue);
 
    if (newWhiteVal != whiteVal) {
      if (newWhiteVal == HIGH) {
        //Serial.println("White High");
        myservo.write(zeroAngle);
        StatusTrigger(0);
      } else {
        //Serial.println("White Low");
        StatusTrigger(1);
        StatusError(0);
        myservo.write(wakeUpAngle);
      }
      whiteVal = newWhiteVal;
    }
    if (newBlueVal != blueVal) {
      if (newBlueVal == HIGH) {
        //Serial.println("Blue High");
        StatusError(0);
      } else {
        //Serial.println("Blue Low");
        myservo.write(shootAngle);
        StatusTrigger(1);
        StatusError(1);
      }
      blueVal = newBlueVal;
    }
  }
}