Automated Clothes & Shoes Donation Machine

///////////////////////////////////////////////////////////////////////////
//                                                                       //
//                    Developed by : Eng. Mahmoud Tolba                  //
//                       Last modify : 26 / 5 / 2015                     //  
//                                                                       //
///////////////////////////////////////////////////////////////////////////

#define CUSTOM_SETTINGS
#define INCLUDE_TERMINAL_SHIELD
#define INCLUDE_SMS_SHIELD
#define INCLUDE_TWITTER_SHIELD
#define INCLUDE_CAMERA_SHIELD
#define INCLUDE_TEXT_TO_SPEECH_SHIELD

// Include 1Sheeld library.
#include <OneSheeld.h>

const int trigPin1 = 2;
const int echoPin1 = 3;

const int trigPin2 = 7;
const int echoPin2 = 8;

// Define a boolean flag.
boolean isMessageSent = false;

const int buttonPin = 12;     // the number of the pushbutton pin
int buttonState = 0;         // variable for reading the pushbutton status

const int ledPin = 13;       // the number of the led pin


//--------------------------------------------------------------------------------------

void setup() {
  // Start communication
  OneSheeld.begin();

  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(buttonPin, INPUT);

  pinMode(trigPin1, OUTPUT);
  pinMode(echoPin1, INPUT);

  pinMode(echoPin2, INPUT);
  pinMode(trigPin2, OUTPUT);

}

void loop()
{
  long duration1, distance1, duration2, distance2;

  digitalWrite(trigPin1, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin1, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin1, LOW);

  duration1 = pulseIn(echoPin1, HIGH);
  // convert the time into a distance1
  distance1 = duration1 / 29 / 2;

  digitalWrite(trigPin2, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin2, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin2, LOW);

  duration2 = pulseIn(echoPin2, HIGH);
  distance2 = duration2 / 29 / 2;

  Terminal.print("Ultrasonic1 = ");
  Terminal.print(distance1);
  Terminal.println(" cm");

  Terminal.print("Ultrasonic2 = ");
  Terminal.print(distance2);
  Terminal.println(" cm");

  // Ultrasonic sensor measeures the depth of the machine if this distance1 increased above 100 cm this means that the door is opened
  // The machine will tell the user to stand in front of the camera then the machine will take a photo for him and uplaoad it on twitter

  if (distance1 < 40) {

    // ------------------------- Chack if the machine is filled --------------------------------
    if (distance1 <= 60 && distance2 <= 60) {
      if (!isMessageSent)
      {
        // Send the SMS.

        SMS.send("+201222326539  ", "         ");

        Terminal.println("Sending SMS done");

        Terminal.println("Machine is filled");

        // Set the flag.
        isMessageSent = true;
      }
    }// if machine is filled

    else
    {
      // Reset the flag
      isMessageSent = false;

      Terminal.println("Some one donated with something");

      // Wait for 5 seconds while the user stand in front of the camera
      TextToSpeech.say("Please stand in front of the camera After Your donation");
      OneSheeld.delay(5500);
      TextToSpeech.say("If you want to share you photo with community please long press the Bush button");
      OneSheeld.delay(7500);

      // read the state of the pushbutton value:
      buttonState = digitalRead(buttonPin);

      if (buttonState == HIGH) {

        TextToSpeech.say("You have pressed the push button Please stand behind the red line");
        OneSheeld.delay(6000);

        Terminal.println("Bush Button is pressed");

        for (int i = 1; i <= 3; i++) {
          digitalWrite(ledPin, HIGH);             // turn the LED on (HIGH is the voltage level)
          OneSheeld.delay(1000);                  // wait for a second
          digitalWrite(ledPin, LOW);              // turn the LED off by making the voltage LOW
          OneSheeld.delay(1000);                  // wait for a second
        }//for

        Camera.setFlash(ON);
        // Take the picture.
        Camera.rearCapture();

        Terminal.println("Photo taken");
        
        OneSheeld.delay(3000);
        TextToSpeech.say("Yor photo has been taken");
        OneSheeld.delay(7000);

        // Post the picture on Twitter.
        Twitter.tweetLastPicture("               ");

        Terminal.println("Uploading");

        TextToSpeech.say("Uploading your image");
        OneSheeld.delay(4000);
        TextToSpeech.say("Thank you");

        // Wait for 5 seconds.
        OneSheeld.delay(5000);

      }// if button si pressed
      else {
        TextToSpeech.say("You didn't press the push button, Thank you sir");
        OneSheeld.delay(6000);
      }//Push button isn't pressed
    }//Machine wasn't filled 

  }// if distance1 < 40 cm
}//void loop