154 lines
3.9 KiB
Plaintext
154 lines
3.9 KiB
Plaintext
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/*
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A simple RCSwitch/Ethernet/Webserver demo
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http://code.google.com/p/rc-switch/
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*/
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#include <SPI.h>
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#include <Ethernet.h>
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#include <RCSwitch.h>
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// Ethernet configuration
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byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; // MAC Address
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byte ip[] = { 192,168,0, 2 }; // IP Address
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EthernetServer server(80); // Server Port 80
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// RCSwitch configuration
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RCSwitch mySwitch = RCSwitch();
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int RCTransmissionPin = 7;
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// More to do...
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// You should also modify the processCommand() and
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// httpResponseHome() functions to fit your needs.
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/**
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* Setup
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*/
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void setup() {
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Ethernet.begin(mac, ip);
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server.begin();
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mySwitch.enableTransmit( RCTransmissionPin );
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}
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/**
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* Loop
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*/
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void loop() {
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char* command = httpServer();
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}
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/**
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* Command dispatcher
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*/
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void processCommand(char* command) {
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if (strcmp(command, "1-on") == 0) {
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mySwitch.switchOn(1,1);
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} else if (strcmp(command, "1-off") == 0) {
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mySwitch.switchOff(1,1);
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} else if (strcmp(command, "2-on") == 0) {
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mySwitch.switchOn(1,2);
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} else if (strcmp(command, "2-off") == 0) {
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mySwitch.switchOff(1,2);
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}
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}
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/**
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* HTTP Response with homepage
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*/
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void httpResponseHome(EthernetClient c) {
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c.println("HTTP/1.1 200 OK");
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c.println("Content-Type: text/html");
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c.println();
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c.println("<html>");
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c.println("<head>");
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c.println( "<title>RCSwitch Webserver Demo</title>");
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c.println( "<style>");
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c.println( "body { font-family: Arial, sans-serif; font-size:12px; }");
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c.println( "</style>");
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c.println("</head>");
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c.println("<body>");
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c.println( "<h1>RCSwitch Webserver Demo</h1>");
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c.println( "<ul>");
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c.println( "<li><a href=\"./?1-on\">Switch #1 on</a></li>");
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c.println( "<li><a href=\"./?1-off\">Switch #1 off</a></li>");
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c.println( "</ul>");
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c.println( "<ul>");
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c.println( "<li><a href=\"./?2-on\">Switch #2 on</a></li>");
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c.println( "<li><a href=\"./?2-off\">Switch #2 off</a></li>");
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c.println( "</ul>");
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c.println( "<hr>");
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c.println( "<a href=\"http://code.google.com/p/rc-switch/\">http://code.google.com/p/rc-switch/</a>");
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c.println("</body>");
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c.println("</html>");
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}
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/**
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* HTTP Redirect to homepage
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*/
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void httpResponseRedirect(EthernetClient c) {
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c.println("HTTP/1.1 301 Found");
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c.println("Location: /");
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c.println();
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}
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/**
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* HTTP Response 414 error
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* Command must not be longer than 30 characters
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**/
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void httpResponse414(EthernetClient c) {
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c.println("HTTP/1.1 414 Request URI too long");
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c.println("Content-Type: text/plain");
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c.println();
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c.println("414 Request URI too long");
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}
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/**
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* Process HTTP requests, parse first request header line and
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* call processCommand with GET query string (everything after
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* the ? question mark in the URL).
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*/
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char* httpServer() {
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EthernetClient client = server.available();
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if (client) {
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char sReturnCommand[32];
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int nCommandPos=-1;
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sReturnCommand[0] = '\0';
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while (client.connected()) {
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if (client.available()) {
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char c = client.read();
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if ((c == '\n') || (c == ' ' && nCommandPos>-1)) {
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sReturnCommand[nCommandPos] = '\0';
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if (strcmp(sReturnCommand, "\0") == 0) {
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httpResponseHome(client);
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} else {
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processCommand(sReturnCommand);
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httpResponseRedirect(client);
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}
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break;
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}
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if (nCommandPos>-1) {
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sReturnCommand[nCommandPos++] = c;
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}
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if (c == '?' && nCommandPos == -1) {
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nCommandPos = 0;
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}
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}
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if (nCommandPos > 30) {
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httpResponse414(client);
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sReturnCommand[0] = '\0';
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break;
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}
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}
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if (nCommandPos!=-1) {
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sReturnCommand[nCommandPos] = '\0';
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}
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// give the web browser time to receive the data
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delay(1);
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client.stop();
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return sReturnCommand;
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}
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return '\0';
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}
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