SMS FloodAlerter

1/*
2Send SMS from Arduino over the Internet using Ethernet Shield
3
4*/
5
6
7#include  <SPI.h>
8
9#include <Ethernet.h> //to use the eithent shield
10
11// Enter  a MAC address for your controller below.
12byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF,  0xFE, 0xED };
13
14
15//if DHCP fails, use a static IP
16// within proveder's  router LAN!!!
17IPAddress ip(**ENTER IP ADDRESS**); //ENTER YOUR IP ADDRESS HERE!!
18
19//  Initialize the Ethernet client library
20EthernetClient client;
21
22//thingspeak  serverTS
23char serverTS[] = "api.thingspeak.com";
24
25//API key for the Thingspeak  ThingHTTP already configured
26const String apiKey = "your TS api key";
27
28//the  RECIPIENT phone number the message should be sent to
29const String sendToNumber  = "+your number";
30//
31// digital pins
32/* Arduino uses digital pins 10,  11, 12, and 13 (SPI) 
33   to communicate with the W5100 on the ethernet shield.
34   These pins cannot be used for general i/o. 
35   
36*/
37int sensor = 7;              //  the pin that the sensor is atteched to
38bool flood = false;            
39int  val = 0;
40// 
41// output pins to visualize 
42// important states:
43int networkOK  = 8;           // green LED
44int networkDown = 9;         // RED LED
45int smsSent  = 6;             // Yellow LED
46int sentCount=0;
47
48 bool etherNet = false;
49  //
50void setup()
51{
52   pinMode(sensor, INPUT);    // initialize sensor as  an input'
53   pinMode(networkOK, OUTPUT);
54   pinMode(networkDown, OUTPUT);
55   pinMode(smsSent, OUTPUT);
56  
57  Serial.begin(9600);
58
59  // connect  the device to wired LAN
60  setupEthernet();
61}
62//-------------------------------------------------
63void  loop()
64{
65  if ( etherNet == false )
66  {
67     Serial.println("Check  Ethernet...");
68     return;
69  }
70  //
71  // device is on the network
72  // continue
73   val = digitalRead(sensor);   // read sensor value
74   // check  if the sensor is HIGH
75   if (val == HIGH) 
76   {           
77     // flood  occured!
78     // send SMS right away
79
80     // send up to 2 text messages!
81     if (sentCount < 2)
82     {
83        sendSMS(sendToNumber, "My basement  is flooded!");
84        sentCount += 1;
85       
86     }
87     if (flood  == false) {
88       Serial.println("Basement is flooded!"); 
89       flood  = true;        
90     } 
91         
92  }// val testing
93 
94}
95
96//------------------------------------------------------------
97//
98void  sendSMS(String number,String message)
99{
100  // Make a TCP connection to remote  host
101  if (client.connect(serverTS, 80))
102  {
103    Serial.println("Connected....");
104    delay(2000);
105 
106    //should look like this...
107    //api.thingspeak.com/apps/thinghttp/send_request?api_key={api  key}&number={send to number}&message={text body}
108
109    client.print("GET /apps/thinghttp/send_request?api_key=");
110    client.print(apiKey);
111    client.print("&number=");
112    client.print(number);
113    client.print("&message=");
114    client.print(message);
115
116     Serial.println("msg:"+message);
117     
118    client.println(" HTTP/1.1");
119    client.print("Host: ");
120    client.println(serverTS);
121    delay(11);
122    client.println("Connection:  close");
123    client.println();
124  }
125  else
126  {
127    Serial.println(F("Connection  failed"));
128  } 
129
130  String reply ="";
131  // Check for a response from  the server, and route it
132  // out the serial port.
133  while (client.connected())
134  {
135    if ( client.available() )
136    {
137      char c = client.read();
138      Serial.print(c);
139      //-------------------------------------------
140      reply = String(reply + c);
141      if(reply.indexOf("><DateSent/><") >  0)
142      { smsSent = HIGH; }
143             
144      if (reply.length() > 400)
145      { reply="";  }  
146      //--------------------------------------------------    
147    }
148  }
149  Serial.println();
150  if(smsSent == HIGH)
151  { Serial.println("Text  message sent successfully.");  }
152  else
153  {
154     Serial.println("!!!!!!!!!  no Text message sent");
155     //Serial.println(reply);  
156     Serial.println("==================");   
157  }
158  Serial.println();
159  client.stop();
160}
161//---------------------------------------------------
162//
163void  setupEthernet()
164{
165    etherNet = true;
166    //--------------------------------------------------
167   //
168    // check for Ethernet cable
169    //
170    if (Ethernet.linkStatus()  == LinkOFF)
171    {
172      etherNet = false;
173      Serial.println("Ethernet  cable is not connected.");
174      return;
175    }
176     //-------------------------------------------------------
177    //
178    Serial.println("Setting up Ethernet...");
179    // start the Ethernet  connection:
180     if (Ethernet.begin(mac) == 0) {
181       Serial.println(F("Failed  to configure Ethernet using DHCP"));
182       // no point in carrying on, so do  nothing forevermore:
183       // try to congifure using IP address instead of DHCP:
184        Ethernet.begin(mac, ip);
185     }
186     Serial.print("My IP address:  ");
187     Serial.println(Ethernet.localIP());
188      // give the Ethernet shield  a second to initialize:
189     delay(1000);
190}
191