ESP8266-SpaceState

This sketch is a web client and will update the SpaceState

It reads the GPIO2 (pulled up) pin where the space state switch is connected to via ground. GPIO0 is reserved for onewire devices.

/*
  2015-07-05: Created by xopr
  
  Code based on http://iot-playground.com/2-uncategorised/41-esp8266-ds18b20-temperature-sensor-arduino-ide by Igor Jarc
 
  External libraries:
  - https://github.com/milesburton/Arduino-Temperature-Control-Library
 
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  version 2 as published by the Free Software Foundation.
*/

#include <ESP8266WiFi.h>
#include <OneWire.h>
#include <DallasTemperature.h>

//AP definitions
#define AP_SSID     "ACKspaceWifi"
#define AP_PASSWORD "nospacenet"

#define API_SERVER  "ackspace.nl"
#define API_KEY     "<YOUR_KEY>"

#define PIN_SWITCH  2

void updateSpaceState( bool _bState );

void setup()
{
  Serial.begin(115200);

  pinMode( PIN_SWITCH, INPUT_PULLUP );
  
  wifiConnect( );

}


bool bState = false;
unsigned long time = 0;

void loop()
{
  if ( ( millis() - time > 19900 ) || bState != digitalRead( PIN_SWITCH ) )
  {
    delay( 100 );
    
    bState = digitalRead( PIN_SWITCH );

    updateSpaceState( bState );
    updateOldSpaceState( bState );
    time = millis();
  }

  delay( 1 );
}

void updateSpaceState( bool _bState )
{
    // Use WiFiClient class to create TCP connections
  WiFiClient client;
  if (!client.connect( API_SERVER, 80 ) )
  {
    Serial.println( "connection failed" );
    return;
  }

  // We now create a URI for the request
  String url = "/spaceAPI/?update&state=";

  if ( _bState )
    url += 0;
  else
    url += 1;

  url += "&key=";
  url += API_KEY;

  Serial.print( "Requesting URL: " );
  Serial.println( url );

  // This will send the request to the server
  client.print( String("GET " ) + url + " HTTP/1.1\r\n" +
                "Host: " + API_SERVER + "\r\n" + 
                "Connection: close\r\n\r\n");
  delay( 10 );

  // Read all the lines of the reply from server and print them to Serial
  while( client.available( ) )
  {
    String line = client.readStringUntil( '\r' );
    Serial.print( line );
  }

  Serial.println( );
  Serial.println( "closing connection" );
}

void updateOldSpaceState( bool _bState )
{
    // Use WiFiClient class to create TCP connections
  WiFiClient client;
  if (!client.connect( API_SERVER, 80 ) )
  {
    Serial.println( "connection failed" );
    return;
  }

  // We now create a URI for the request
  String url = "/FORGOT_THE_URI";

  if ( _bState )
    url += "KEY_TO_SET_THE_SPACE_CLOSED";
  else
    url += "KEY_TO_SET_THE_SPACE_OPEN";

  Serial.print( "Requesting URL: " );
  Serial.println( url );

  // This will send the request to the server
  client.print( String("GET " ) + url + " HTTP/1.1\r\n" +
                "Host: " + API_SERVER + "\r\n" + 
                "Connection: close\r\n\r\n");
  delay( 10 );

  // Read all the lines of the reply from server and print them to Serial
  while( client.available( ) )
  {
    String line = client.readStringUntil( '\r' );
    Serial.print( line );
  }

  Serial.println( );
  Serial.println( "closing connection" );
}

void wifiConnect()
{
    Serial.print( "Connecting to " );
    Serial.print( AP_SSID );
    WiFi.begin( AP_SSID, AP_PASSWORD );
    while ( WiFi.status() != WL_CONNECTED )
    {
        delay( 1000 );
        Serial.print( "." );
    }
  
    Serial.println( "" );
    Serial.println( "WiFi connected" );

    // Print the IP address
    Serial.println( WiFi.localIP( ) );
}