Untitled

/*
 *  This sketch demonstrates how to scan WiFi networks.
 *  The API is almost the same as with the WiFi Shield library,
 *  the most obvious difference being the different file you need to include:
 */
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

const int ledPin      = 13;
const int relayPin    = 0;

const char* ssid = "....."; // fill in
const char* password = "......"; // fill in

const IPAddress ip(192,168,2,89);
const IPAddress gateway(192,168,2,1);
const IPAddress netmask(255,255,255,0);

ESP8266WebServer server(80);

String securityCode = "........"; // fill in
String htmlPage = "";

int counter = 0;
int ledStatus = LOW;


void initHTML()
{
  htmlPage +=
  "<!DOCTYPE HTML>"
  "<html>"
  "<head>"
  "<title>Relay Control</title>"
  "<style>"
  "body { background-color: #006699; font-family: Tahoma, Geneva, sans-serif; Color: #000000; }"
  "</style>"
  "</head>"
  "<body>"
  "<h1>Relay Control</h1>"
  "<FORM action=\"/\" method=\"post\">"
  "<P>"
  "Enter Code: <INPUT type=\"text\" name=\"code\" value=\"\">"
  "&nbsp; <INPUT type=\"submit\" value=\"Press\">"
  "</P>"
  "</FORM>"
  "</body>"
  "</html>";

//  htmlPage += "<h1>Garage Opener</h1>";
//  htmlPage += "<p>Door Open <a href=\"open\"> <button>Open</button> </a> </p>";
//  htmlPage += "<p>Door Close <a href=\"close\"> <button>Close</button> </a> </p>";

}

void returnFailPage(String errorMsg)
{
  server.sendHeader("Connection", "close");
  server.sendHeader("Access-Control-Allow-Origin", "*");
  server.send(500, "text/plain", errorMsg + "\r\n");
}

void handleSubmit()
{
  String codeValue;

  if(!server.hasArg("code")) {
    Serial.println("no code value set");
    returnFailPage("no code value");
    return;
  }

   codeValue = server.arg("code");

  if(codeValue != securityCode) {
    Serial.println("codevalue incorrect");
    returnFailPage("code value");
    return;
  }

  handlePressButton();
}

void handleRootPage()
{
  if(server.hasArg("code")) {
    handleSubmit();
  } else {
    server.send(200, "text/html", htmlPage);
  }
}

void handlePressButton()
{
  Serial.println("close connection for 2 seconds...");
  digitalWrite(0, LOW);
  delay(2000);
  digitalWrite(0, HIGH);
  delay(500);
  server.send(200, "text/html", htmlPage);

}

void handleOpenPage()
{
  Serial.println("open page...");
  server.send(200, "text/html", htmlPage);
  digitalWrite(0, LOW);
  delay(500);
}

void handleClosePage()
{
  Serial.println("close page...");
  server.send(200, "text/html", htmlPage);
  digitalWrite(0, HIGH);
  delay(500);
}

void initServerRoutes()
{
  server.on("/", handleRootPage);
  server.on("/open", handleOpenPage);
  server.on("/close", handleClosePage);

}

void setup() {
  Serial.begin(115200);
  pinMode(ledPin, OUTPUT);
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, HIGH);
  digitalWrite(relayPin, ledStatus);


  WiFi.mode(WIFI_STA);
  WiFi.config(ip, gateway, netmask);
  WiFi.begin(ssid, password);

  Serial.print("Connecting to HOTSPOT with IP address: ");
  Serial.println(ip);

  while(WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  initHTML();

  initServerRoutes();

  server.begin();
  Serial.println("Server has started...");

}

void loop() {

  server.handleClient();

  if(counter++ == 500000) {
    Serial.print("status = ");
    Serial.println(ledStatus);
    ledStatus = !ledStatus;
    digitalWrite(ledPin, ledStatus);
    counter = 0;
  }


  /*

  while(1) {

//    Serial.write(relayOn, sizeof(relayOn));
    digitalWrite(0, LOW);
    Serial.print("off");
    delay(3000);
    digitalWrite(0, HIGH);
    Serial.print("on");
  //  Serial.write(relayOff, sizeof(relayOn));
    delay(3000);

  }

  */

}