FallDetection

#define CUSTOM_SETTINGS
#define INCLUDE_EMAIL_SHIELD
#define INCLUDE_ACCELEROMETER_SENSOR_SHIELD
#define INCLUDE_TOGGLE_BUTTON_SHIELD
#define INCLUDE_GPS_SHIELD
#define INCLUDE_NOTIFICATION_SHIELD
#define INCLUDE_ORIENTATION_SENSOR_SHIELD
#define INCLUDE_TWITTER_SHIELD 
#define INCLUDE_SMS_SHIELD


#include <OneSheeld.h>
 
boolean stopGettingReadings = false;
 
unsigned long lastTimeTaken = 0;
unsigned long currentTime = 0;
  //zero_G is the reading we expect from the sensor when it detects
  //no acceleration.  Subtract this value from the sensor reading to
  //get a shifted sensor reading.
 int scale = 9.81; 
 
float x, y, z;
float lat ;
float lon ;
char charlat [30];
char charlon [30];
char readings [100];
int magnitudeThreshold = 2.3;
int xa = 0;
int ya = 0;
int za = 0;
 
void setup() {
  // put your setup code here, to run once:
  OneSheeld.begin();
}
 
void loop() {


  // put your main code here, to run repeatedly:
  if(!stopGettingReadings)
  {
    x = AccelerometerSensor.getX();
    y = AccelerometerSensor.getY();
    z = AccelerometerSensor.getZ();  
  }
  xa = x/scale; // calculates x acceleration
  ya = y/scale; // calculates y acceleration 
  za = z/scale; // calculates z acceleration
  if (sqrt(sq(xa) + sq(ya) + sq(za)) > magnitudeThreshold && (abs(OrientationSensor.getY()) < 45))
  {
    Notification.notifyPhone("detected fall | 10 seconds to cancel");
       /* Wait for 300 ms. */
      /* Stop reading the accelerometer values to keep looping on. */
      stopGettingReadings = true;
      /* Take the time once the accident happens only. */
      if(!lastTimeTaken)  
      {
        lastTimeTaken = millis();
        currentTime = lastTimeTaken;
      }
      /* Loop on time and if time exceeds 10 seconds and no one pressed the toggle button in ToggleShield send the messages and Restart the System. */ 
      if(currentTime - lastTimeTaken > 10000 && !ToggleButton.getStatus())
      {
        lat = GPS.getLatitude();
        lon = GPS.getLongitude();
        dtostrf(lat, 3, 6, charlat);
        dtostrf(lon, 3, 6, charlon);
        strcat(readings, "I fell. pick me up from: ");
        strcat(readings, "http://maps.google.com/maps?q=");
        strcat (readings, charlat);
        strcat(readings, ",");
        strcat (readings, charlon);
        Notification.notifyPhone("You Fall MA DuDE?");
        delay(10);
        Phone.call("6179914637");
        delay(300);
      /* Wait for 300 ms. */
        Email.send("samer.neergaard@gmail.com", "I Fell, Again.", readings);
        delay(10);
        SMS.send("6179914637", readings);
        //String name = "@tyler_hayman97";
//String message = readings;
//Twitter.sendMessage(name,message);
        //Facebook.post(readings);
        resetSystem();
      }
      else
      
      {
        /* Check on the button if pressed Restart the whole System.*/
        if(ToggleButton.getStatus()) 
        {
          resetSystem();
          //Terminal.println("ButtonPressed");    //This line is just for debuggint
        }
        else currentTime = millis();   /* Keep Getting time to check on it.*/
      }
  }
}
 
/* Restart Function. */
void resetSystem()
{
  stopGettingReadings = false;
  lastTimeTaken = 0;
  currentTime = 0;
}