1 | #include <RCSwitch.h>
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2 |
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3 | #include <SPI.h>
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4 | #include <Ethernet.h>
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5 |
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6 | // MAC address from Ethernet shield sticker under board
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7 | byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
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8 | IPAddress ip(192, 168, 1, 20); // IP address, may need to change depending on network
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9 | EthernetServer server(80); // create a server at port 80
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10 | RCSwitch mySwitch = RCSwitch();
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11 | String HTTP_req; // stores the HTTP request
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12 | void setup()
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13 | {
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14 | Ethernet.begin(mac, ip); // initialize Ethernet device
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15 | server.begin(); // start to listen for clients
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16 | Serial.begin(9600); // for diagnostics
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17 | Serial.print("server is at ");
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18 | Serial.println(Ethernet.localIP());
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19 | mySwitch.enableTransmit(5);
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20 | }
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21 |
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22 | void loop()
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23 | {
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24 | EthernetClient client = server.available(); // try to get client
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25 |
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26 | if (client) { // got client?
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27 | boolean currentLineIsBlank = true;
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28 | while (client.connected()) {
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29 | if (client.available()) { // client data available to read
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30 | char c = client.read(); // read 1 byte (character) from client
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31 | HTTP_req += c; // save the HTTP request 1 char at a time
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32 | // last line of client request is blank and ends with \n
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33 | // respond to client only after last line received
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34 | if (c == '\n' && currentLineIsBlank) {
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35 | // send a standard http response header
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36 | client.println("HTTP/1.1 200 OK");
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37 | client.println("Content-Type: text/html");
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38 | client.println("Connection: close");
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39 | client.println();
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40 | // send web page
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41 | client.println("<!DOCTYPE html>");
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42 | client.println("<html>");
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43 | client.println("<head>");
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44 | client.println("<title>Arduino Homecontrol</title>");
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45 | client.println("</head>");
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46 | client.println("<body>");
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47 | client.println("<h1>SWITCH</h1>");
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48 | client.println("<p>Click to switch on and off.</p>");
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49 | client.println("<form method=\"get\">");
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50 | ProcessCheckbox(client,0);
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51 | client.println("</form>");
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52 | client.println("<form method=\"get\">");
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53 | ProcessCheckbox(client,1);
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54 | client.println("</form>");
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55 | client.println("</body>");
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56 | client.println("</html>");
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57 | //Serial.print(HTTP_req);
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58 | HTTP_req = ""; // finished with request, empty string
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59 | break;
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60 | }
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61 | // every line of text received from the client ends with \r\n
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62 | if (c == '\n') {
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63 | // last character on line of received text
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64 | // starting new line with next character read
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65 | currentLineIsBlank = true;
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66 | }
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67 | else if (c != '\r') {
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68 | // a text character was received from client
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69 | currentLineIsBlank = false;
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70 | }
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71 | } // end if (client.available())
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72 | } // end while (client.connected())
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73 | delay(1); // give the web browser time to receive the data
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74 | client.stop(); // close the connection
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75 | } // end if (client)
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76 |
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77 | }
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78 |
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79 | int stat[]={0,0};
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80 | // switch LED and send back HTML for LED checkbox
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81 | void ProcessCheckbox(EthernetClient cl,int num){
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82 |
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83 | int sender=0;
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84 | String box="s";
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85 | box+=num;
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86 | box+="=111";
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87 | if (HTTP_req.indexOf(box) > -1&&HTTP_req.indexOf(box) <7) {
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88 | if(stat[num]){
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89 | stat[num]=0;
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90 | }else{
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91 | stat[num]=1;
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92 | }
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93 |
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94 | }
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95 | if (stat[num]) { // switch LED on
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96 |
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97 | if(num==0){
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98 | mySwitch.send(21,24);
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99 | }else{
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100 | mySwitch.send(16405,24);
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101 | }
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102 |
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103 | // checkbox is checked
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104 | cl.print("<input type=\"checkbox\" name=\"s");
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105 | cl.print(num);
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106 | cl.print("\" value=\"111\" \onclick=\"submit();\" checked>Switch");
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107 | cl.println(num+1);
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108 | }
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109 | else { // switch LED off
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110 |
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111 | if(num==0){
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112 | mySwitch.send(20,24);
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113 | }else{
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114 | mySwitch.send(16404,24);
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115 | }
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116 |
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117 | // checkbox is unchecked
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118 | cl.print("<input type=\"checkbox\" name=\"s");
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119 | cl.print(num);
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120 | cl.print("\" value=\"111\" \onclick=\"submit();\">Switch");
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121 | cl.println(num+1);
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122 | }
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123 | }
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