Suicide Prevention Gun Safe Locking System

/*
  Web client

 This sketch connects to a website (http://www.google.com)
 using a WiFi shield.

 This example is written for a network using WPA encryption. For
 WEP or WPA, change the WiFi.begin() call accordingly.

 This example is written for a network using WPA encryption. For
 WEP or WPA, change the WiFi.begin() call accordingly.

 Circuit:
 * WiFi shield attached

 created 13 July 2010
 by dlf (Metodo2 srl)
 modified 31 May 2012
 by Tom Igoe
 */


#include <SPI.h>
#include <WiFi101.h>

int EmagPin = 1;
int LcdPin = 2;
int AlrmPin = 6;
int AlrmValue = 0;

char ssid[] = "STANTON-2.4"; //  your network SSID (name)
char pass[] = "STAnton7860";    // your network password (use for WPA, or use as key for WEP)
int keyIndex = 0;            // your network key Index number (needed only for WEP)
const unsigned long HTTP_TIMEOUT = 10000;  // max respone time from server

int status = WL_IDLE_STATUS;
// if you don't want to use DNS (and reduce your sketch size)
// use the numeric IP instead of the name for the server:
//IPAddress server(74,125,232,128);  // numeric IP for Google (no DNS)
char server[] = "www.cowincrafted.com";    // name address for Google (using DNS)

// Initialize the Ethernet client library
// with the IP address and port of the server
// that you want to connect to (port 80 is default for HTTP):
WiFiClient client;

char a = 'a';
char b = 'b';
char c = 'c';
char z = 'z';

unsigned long lastConnectionTime = 0;            // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 5000; // delay between updates, in milliseconds


void setup() {
  //Initialize serial and wait for port to open:
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }

  // check for the presence of the shield:
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue:
    while (true);
  }

  // attempt to connect to WiFi network:
  while (status != WL_CONNECTED) {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
    status = WiFi.begin(ssid, pass);

    // wait 10 seconds for connection:
    delay(10000);
  }
  Serial.println("Connected to wifi");
  printWiFiStatus();

  Serial.println("\nStarting connection to server...");
  // if you get a connection, report back via serial:
  
}

void loop() {
  AlrmValue = digitalRead(AlrmPin);
  if (AlrmValue == 1)
  {
    Serial.println("Alarm");
    if (client.connect(server, 80)) {
    Serial.println("connected to server");
    // Make a HTTP request:
    client.println("GET /api/locksapi/1/1 HTTP/1.1");
    client.println("Host: www.cowincrafted.com");
    client.println("Connection: close");
    client.println();
    Serial.println("alarm sent");
    }

    delay(5000);

    Serial.println("Alarm Off");

    if (client.connect(server, 80)) {
    Serial.println("connected to server");
    // Make a HTTP request:
    client.println("GET /api/locksapi/1/0 HTTP/1.1");
    client.println("Host: www.cowincrafted.com");
    client.println("Connection: close");
    client.println();
    Serial.println("alarm off sent");
    }
  }
  
  //Serial.println("in void loop");
  
  // if there are incoming bytes available
  // from the server, read them and print them:
  while (client.available()) {

     z = a;
     a = b;
     b = c;
     c = client.read();
    
    if(c == ']' && b == '0' )
    {
      Serial.println();
      Serial.println("Unlocked");
      digitalWrite (EmagPin, HIGH);
      digitalWrite (LcdPin, HIGH);
    }
    if(c == ']' && b == '1' )
    {
      Serial.println();
      Serial.println("Locked");
      digitalWrite (EmagPin, LOW);
      digitalWrite (LcdPin, LOW);
    }
    Serial.write(c);
    
  }

  if (millis() - lastConnectionTime > postingInterval) {
    httpRequest();
  }
  //delay(30000);

  // if the server's disconnected, stop the client:
  /*if (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting from server.");
    client.stop();

    // do nothing forevermore:
    while (true);
  }*/
}

  // this method makes a HTTP connection to the server:
void httpRequest() {
  // close any connection before send a new request.
  // This will free the socket on the WiFi shield
  client.stop();

  // if there's a successful connection:
  Serial.println("httprequest");

  if (client.connect(server, 80)) {
    Serial.println("connected to server");
    // Make a HTTP request:
    client.println("GET /api/locksapi/1 HTTP/1.1");
    client.println("Host: www.cowincrafted.com");
    client.println("Connection: close");
    client.println();
    //lastConnectionTime = millis();
  }
  lastConnectionTime = millis();
}

void printWiFiStatus() {
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your WiFi shield's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");
}

// Skip HTTP headers so that we are at the beginning of the response's body
bool skipResponseHeaders() {
  // HTTP headers end with an empty line
  char endOfHeaders[] = "\r\n\r\n";

  client.setTimeout(HTTP_TIMEOUT);
  bool ok = client.find(endOfHeaders);

  if (!ok) {
    Serial.println("No response or invalid response!");
  }

  return ok;
}