sunriseSunset.ino

/* SmartCoop: Sunrise and Sunset
 * Connects to api.sunrise-sunset.org, fetches the sunrise and sunset times, and prints them out.
 *
 * Jason Keane
*/

/* Fetches the sunrise and sunset times */

int sunriseHours, sunriseMinutes;
int sunsetHours, sunsetMinutes;

void getSunrise()
{

  /* FETCH */
  // if there are incoming bytes available
  // from the server, read them and print them:
  sunrise = "";
  sunset = "";
  if (client.available()) {
    char c = client.read();
    currentLine += c;


    if (c == '\n') {
      if (currentLine.startsWith("{\"results\":")) {
        int i;
        for (i = 23; i < 30; i++) {
          sunrise += currentLine[i];
        }

        for (i = 166; i < 173; i++) {
          sunset += currentLine[i];
        }

        Serial.println("The sunrise time is: " + sunrise);
        Serial.println("The sunset time is: " + sunset);
        client.stop();
      } else {
        currentLine = "";
      }
    }
  }

  /* converts the strings into separate integers for hours and minutes (unfinished) */
  // sunrise
  String stringRiseHours = "", stringRiseMinutes = "";

  int i;
  for (i = 0; i < sunrise.indexOf(':'); i++) {
    stringRiseHours += sunrise[i];
  }
  sunriseHours = stringRiseHours.toInt();

  for (i = sunrise.indexOf(':') + 1; i < sunrise.lastIndexOf(':'); i++) {
    stringRiseMinutes += sunrise[i];
  }
  sunriseMinutes = stringRiseMinutes.toInt();

  // sunset (NEEDS TESTING!!)
  String stringSetHours = "", stringSetMinutes = "";

  for (i = 0; i < sunset.indexOf(':'); i++) {
    stringSetHours += sunset[i];
  }
  sunsetHours = stringSetHours.toInt();
  sunsetHours = convert12HourTo24Hour(sunsetHours);

  for (i = sunset.indexOf(':') + 1; i < sunset.lastIndexOf(':'); i++) {
    stringSetMinutes += sunset[i];
  }
  sunsetMinutes = stringSetMinutes.toInt();

  // if the server's disconnected, stop the client:
  if (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting.");
    client.stop();
    Connected = false;
    getTimes = false;
  }

  mySQLAddTimes();
}

int convert12HourTo24Hour(int twelveHour)
{
  int twentyFourHour = twelveHour + 12;
  if (twentyFourHour == 24)
  {
    twentyFourHour = 0;
  }
  return twentyFourHour;
}

/*
* Connects to the server api.sunrise-sunset.org
*/
void connectForGET()
{
  // will need to run this block every day using RTC on Galileo
  if (getTimes) {
    if (Connected == false) {
      /* CONNECT */
      char serverToScrape[] = "104.131.2.15";
      // if you get a connection, report back via serial:
      if (client.connect(serverToScrape, 80)) {
        Serial.println("connected");
        // Make a HTTP request:
        client.println("GET /json?lat=53.2706680&lng=-9.0567910&date=today HTTP/1.1");
        client.println("Host: api.sunrise-sunset.org");
        client.println("Connection: close");
        client.println();
      } else {
        // if you didn't get a connection to the server:
        Serial.println("connection failed");
      }

      Connected = true;
    } else {
      getSunrise();
    }
  }

}

void getRealTime()
{
  int currentHours, currentMinutes, currentSeconds;
  time_t t;
  time(&t);
  struct tm *time = localtime(&t);
  currentHours = time->tm_hour;
  currentMinutes = time->tm_min;
  currentSeconds = time->tm_sec;

  // check sunrise
  /*Serial.print("TIME: ");
  Serial.print(currentHours);
  Serial.print(":");
  Serial.print(currentMinutes);
  Serial.print(":");
  Serial.print(currentSeconds);
  Serial.print(":");
  Serial.println();
  Serial.print("Sunsett: ");
  Serial.print(sunriseHours);
  Serial.print(":");
  Serial.print(sunriseMinutes);
  Serial.println();*/

  if (currentHours == sunriseHours)
  {
    if (currentMinutes == sunriseMinutes)
    {
      if (currentSeconds == 0)
      {
        // open door
        doorStatus = 1;
        saveDoorStatus();
      }
    }
  }
  else if (currentHours == sunsetHours+1) // delay by 1 hour
  {
    if (currentMinutes == sunsetMinutes)
    {
      if (currentSeconds == 0)
      {
        // close door
        Serial.println("CLOSE");
        doorStatus = 0;
        saveDoorStatus();
      }
    }
  }

  if (currentHours == 0 && currentMinutes == 0 && currentSeconds == 0) // get sunrise at midnight
  {
    getTimes = true;
  }
}