2017-11-19 17:02:03 +00:00
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/*
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* IRremoteESP8266: IRServer - demonstrates sending IR codes controlled from a webserver
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2019-07-21 15:01:43 +01:00
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* Version 0.3 May, 2019
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2017-11-19 17:02:03 +00:00
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* Version 0.2 June, 2017
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* Copyright 2015 Mark Szabo
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2019-07-21 15:01:43 +01:00
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* Copyright 2019 David Conran
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2017-11-19 17:02:03 +00:00
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*
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2019-07-21 15:01:43 +01:00
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* An IR LED circuit *MUST* be connected to the ESP on a pin
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2018-11-20 14:53:56 +00:00
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* as specified by kIrLed below.
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2017-11-19 17:02:03 +00:00
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*
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* TL;DR: The IR LED needs to be driven by a transistor for a good result.
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*
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* Suggested circuit:
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2019-07-21 15:01:43 +01:00
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* https://github.com/crankyoldgit/IRremoteESP8266/wiki#ir-sending
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2017-11-19 17:02:03 +00:00
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*
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* Common mistakes & tips:
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* * Don't just connect the IR LED directly to the pin, it won't
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* have enough current to drive the IR LED effectively.
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* * Make sure you have the IR LED polarity correct.
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* See: https://learn.sparkfun.com/tutorials/polarity/diode-and-led-polarity
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* * Typical digital camera/phones can be used to see if the IR LED is flashed.
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* Replace the IR LED with a normal LED if you don't have a digital camera
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* when debugging.
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* * Avoid using the following pins unless you really know what you are doing:
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* * Pin 0/D3: Can interfere with the boot/program mode & support circuits.
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* * Pin 1/TX/TXD0: Any serial transmissions from the ESP8266 will interfere.
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* * Pin 3/RX/RXD0: Any serial transmissions to the ESP8266 will interfere.
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* * ESP-01 modules are tricky. We suggest you use a module with more GPIOs
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* for your first time. e.g. ESP-12 etc.
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*/
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#include <Arduino.h>
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2019-07-21 15:01:43 +01:00
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#if defined(ESP8266)
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2017-11-19 17:02:03 +00:00
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#include <ESP8266WiFi.h>
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#include <ESP8266WebServer.h>
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#include <ESP8266mDNS.h>
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2019-07-21 15:01:43 +01:00
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#endif // ESP8266
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#if defined(ESP32)
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#include <WiFi.h>
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#include <WebServer.h>
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#include <ESPmDNS.h>
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#endif // ESP32
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2017-11-19 17:02:03 +00:00
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#include <IRremoteESP8266.h>
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#include <IRsend.h>
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#include <WiFiClient.h>
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2018-11-20 14:53:56 +00:00
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const char* kSsid = ".....";
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const char* kPassword = ".....";
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2017-11-19 17:02:03 +00:00
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MDNSResponder mdns;
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2019-07-21 15:01:43 +01:00
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#if defined(ESP8266)
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2017-11-19 17:02:03 +00:00
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ESP8266WebServer server(80);
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2019-07-21 15:01:43 +01:00
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#undef HOSTNAME
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#define HOSTNAME "esp8266"
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#endif // ESP8266
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#if defined(ESP32)
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WebServer server(80);
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#undef HOSTNAME
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#define HOSTNAME "esp32"
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#endif // ESP32
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2017-11-19 17:02:03 +00:00
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2019-07-21 15:01:43 +01:00
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const uint16_t kIrLed = 4; // ESP GPIO pin to use. Recommended: 4 (D2).
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2018-11-20 14:53:56 +00:00
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IRsend irsend(kIrLed); // Set the GPIO to be used to sending the message.
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2017-11-19 17:02:03 +00:00
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void handleRoot() {
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server.send(200, "text/html",
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"<html>" \
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2020-04-26 08:59:49 +01:00
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"<head><title>" HOSTNAME " Demo </title>" \
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"<meta http-equiv=\"Content-Type\" " \
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"content=\"text/html;charset=utf-8\">" \
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"</head>" \
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2017-11-19 17:02:03 +00:00
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"<body>" \
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2019-07-21 15:01:43 +01:00
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"<h1>Hello from " HOSTNAME ", you can send NEC encoded IR" \
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2017-11-19 17:02:03 +00:00
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"signals from here!</h1>" \
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"<p><a href=\"ir?code=16769055\">Send 0xFFE01F</a></p>" \
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"<p><a href=\"ir?code=16429347\">Send 0xFAB123</a></p>" \
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"<p><a href=\"ir?code=16771222\">Send 0xFFE896</a></p>" \
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"</body>" \
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"</html>");
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}
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void handleIr() {
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for (uint8_t i = 0; i < server.args(); i++) {
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if (server.argName(i) == "code") {
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uint32_t code = strtoul(server.arg(i).c_str(), NULL, 10);
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2018-11-20 14:53:56 +00:00
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#if SEND_NEC
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2017-11-19 17:02:03 +00:00
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irsend.sendNEC(code, 32);
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2018-11-20 14:53:56 +00:00
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#endif // SEND_NEC
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2017-11-19 17:02:03 +00:00
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}
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}
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handleRoot();
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}
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void handleNotFound() {
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String message = "File Not Found\n\n";
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message += "URI: ";
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message += server.uri();
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message += "\nMethod: ";
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message += (server.method() == HTTP_GET)?"GET":"POST";
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message += "\nArguments: ";
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message += server.args();
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message += "\n";
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for (uint8_t i = 0; i < server.args(); i++)
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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server.send(404, "text/plain", message);
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}
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void setup(void) {
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irsend.begin();
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Serial.begin(115200);
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2018-11-20 14:53:56 +00:00
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WiFi.begin(kSsid, kPassword);
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2017-11-19 17:02:03 +00:00
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Serial.println("");
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// Wait for connection
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.print("Connected to ");
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2018-11-20 14:53:56 +00:00
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Serial.println(kSsid);
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2017-11-19 17:02:03 +00:00
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Serial.print("IP address: ");
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2018-11-20 14:53:56 +00:00
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Serial.println(WiFi.localIP().toString());
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2017-11-19 17:02:03 +00:00
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2019-07-21 15:01:43 +01:00
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#if defined(ESP8266)
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if (mdns.begin(HOSTNAME, WiFi.localIP())) {
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#else // ESP8266
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if (mdns.begin(HOSTNAME)) {
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#endif // ESP8266
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2017-11-19 17:02:03 +00:00
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Serial.println("MDNS responder started");
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}
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server.on("/", handleRoot);
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server.on("/ir", handleIr);
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server.on("/inline", [](){
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server.send(200, "text/plain", "this works as well");
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});
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server.onNotFound(handleNotFound);
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server.begin();
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Serial.println("HTTP server started");
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}
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void loop(void) {
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server.handleClient();
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}
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