Tasmota/lib/rc-switch-2.6.2.13/examples/Webserver/Webserver.ino

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/*
A simple RCSwitch/Ethernet/Webserver demo
https://github.com/sui77/rc-switch/
*/
#include <SPI.h>
#include <Ethernet.h>
#include <RCSwitch.h>
// Ethernet configuration
uint8_t mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; // MAC Address
uint8_t ip[] = { 192,168,0, 2 }; // IP Address
EthernetServer server(80); // Server Port 80
// RCSwitch configuration
RCSwitch mySwitch = RCSwitch();
int RCTransmissionPin = 7;
// More to do...
// You should also modify the processCommand() and
// httpResponseHome() functions to fit your needs.
/**
* Setup
*/
void setup() {
Ethernet.begin(mac, ip);
server.begin();
mySwitch.enableTransmit( RCTransmissionPin );
}
/**
* Loop
*/
void loop() {
char* command = httpServer();
}
/**
* Command dispatcher
*/
void processCommand(char* command) {
if (strcmp(command, "1-on") == 0) {
mySwitch.switchOn(1,1);
} else if (strcmp(command, "1-off") == 0) {
mySwitch.switchOff(1,1);
} else if (strcmp(command, "2-on") == 0) {
mySwitch.switchOn(1,2);
} else if (strcmp(command, "2-off") == 0) {
mySwitch.switchOff(1,2);
}
}
/**
* HTTP Response with homepage
*/
void httpResponseHome(EthernetClient c) {
c.println("HTTP/1.1 200 OK");
c.println("Content-Type: text/html");
c.println();
c.println("<html>");
c.println("<head>");
c.println( "<title>RCSwitch Webserver Demo</title>");
c.println( "<style>");
c.println( "body { font-family: Arial, sans-serif; font-size:12px; }");
c.println( "</style>");
c.println("</head>");
c.println("<body>");
c.println( "<h1>RCSwitch Webserver Demo</h1>");
c.println( "<ul>");
c.println( "<li><a href=\"./?1-on\">Switch #1 on</a></li>");
c.println( "<li><a href=\"./?1-off\">Switch #1 off</a></li>");
c.println( "</ul>");
c.println( "<ul>");
c.println( "<li><a href=\"./?2-on\">Switch #2 on</a></li>");
c.println( "<li><a href=\"./?2-off\">Switch #2 off</a></li>");
c.println( "</ul>");
c.println( "<hr>");
c.println( "<a href=\"https://github.com/sui77/rc-switch/\">https://github.com/sui77/rc-switch/</a>");
c.println("</body>");
c.println("</html>");
}
/**
* HTTP Redirect to homepage
*/
void httpResponseRedirect(EthernetClient c) {
c.println("HTTP/1.1 301 Found");
c.println("Location: /");
c.println();
}
/**
* HTTP Response 414 error
* Command must not be longer than 30 characters
**/
void httpResponse414(EthernetClient c) {
c.println("HTTP/1.1 414 Request URI too long");
c.println("Content-Type: text/plain");
c.println();
c.println("414 Request URI too long");
}
/**
* Process HTTP requests, parse first request header line and
* call processCommand with GET query string (everything after
* the ? question mark in the URL).
*/
char* httpServer() {
EthernetClient client = server.available();
if (client) {
char sReturnCommand[32];
int nCommandPos=-1;
sReturnCommand[0] = '\0';
while (client.connected()) {
if (client.available()) {
char c = client.read();
if ((c == '\n') || (c == ' ' && nCommandPos>-1)) {
sReturnCommand[nCommandPos] = '\0';
if (strcmp(sReturnCommand, "\0") == 0) {
httpResponseHome(client);
} else {
processCommand(sReturnCommand);
httpResponseRedirect(client);
}
break;
}
if (nCommandPos>-1) {
sReturnCommand[nCommandPos++] = c;
}
if (c == '?' && nCommandPos == -1) {
nCommandPos = 0;
}
}
if (nCommandPos > 30) {
httpResponse414(client);
sReturnCommand[0] = '\0';
break;
}
}
if (nCommandPos!=-1) {
sReturnCommand[nCommandPos] = '\0';
}
// give the web browser time to receive the data
delay(1);
client.stop();
return sReturnCommand;
}
return '\0';
}