mirror of https://github.com/arendst/Tasmota.git
137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
/*
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* IRremoteESP8266: IRGCTCPServer - send Global Cache-formatted codes via TCP.
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* An IR emitter must be connected to GPIO pin 4.
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* Version 0.2 May, 2017
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* Copyright 2016 Hisham Khalifa, http://www.hishamkhalifa.com
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* Copyright 2017 David Conran
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*
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* Example command - Samsung TV power toggle: 38000,1,1,170,170,20,63,20,63,20,63,20,20,20,20,20,20,20,20,20,20,20,63,20,63,20,63,20,20,20,20,20,20,20,20,20,20,20,20,20,63,20,20,20,20,20,20,20,20,20,20,20,20,20,63,20,20,20,63,20,63,20,63,20,63,20,63,20,63,20,1798\r\n
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* For more codes, visit: https://irdb.globalcache.com/
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*
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* How to use this program:
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* 1) Update "kSsid" and "kPassword" below for your WIFI network.
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* 2) Compile and upload the sketch to your ESP8266 module.
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* 3) (Optional) Use the serial connection to confirm it started and get the
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* IP address.
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* 4) From a client machine, connect to port 4998 on the ESP8266, using
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* 'telnet', 'nc' (netcat), 'putty' or similar command, etc.
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* You may need to install one.
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* Unix/OSX:
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* Start a shell. Then type:
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* telnet <esp8266deviceIPaddress> 4998
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* Windows:
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* Start a new CMD window, then type:
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* telnet <esp8266deviceIPaddress> 4998
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*
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* 5) Enter a Global Cache-formatted code, starting at the frequency,
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* and then a return/enter at the end. No spaces. e.g.:
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*
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* 38000,1,1,170,170,20,63,20,63,20,63,20,20,20,20,20,20,20,20,20,20,20,63,20,63,20,63,20,20,20,20,20,20,20,20,20,20,20,20,20,63,20,20,20,20,20,20,20,20,20,20,20,20,20,63,20,20,20,63,20,63,20,63,20,63,20,63,20,63,20,1798
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*
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* To exit the 'telnet' command:
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* press <control> + <]> at the same time, then press 'q', and then <return>.
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* or:
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* <control> + <d> might work.
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*
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* This program will display the ESP's IP address on the serial console, or you
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* can check your wifi router for it's address.
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*/
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#include <Arduino.h>
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#if defined(ESP8266)
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#include <ESP8266WiFi.h>
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#endif // ESP8266
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#if defined(ESP32)
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#include <WiFi.h>
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#endif // ESP32
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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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#include <WiFiServer.h>
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const char* kSsid = "..."; // Put your WIFI SSID here.
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const char* kPassword = "..."; // Put your WIFI Password here.
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WiFiServer server(4998); // Uses port 4998.
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WiFiClient client;
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uint16_t *code_array;
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#define IR_LED 4 // ESP8266 GPIO pin to use. Recommended: 4 (D2).
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IRsend irsend(IR_LED); // Set the GPIO to be used to sending the message.
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void sendGCString(String str) {
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int16_t index;
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uint16_t count;
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// Find out how many items there are in the string.
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index = -1;
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count = 1;
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do {
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index = str.indexOf(',', index + 1);
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count++;
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} while (index != -1);
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// Now we know how many there are, allocate the memory to store them all.
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code_array = reinterpret_cast<uint16_t*>(malloc(count * sizeof(uint16_t)));
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// Check we malloc'ed successfully.
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if (code_array == NULL) { // malloc failed, so give up.
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Serial.printf("\nCan't allocate %d bytes. (%d bytes free)\n",
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count * sizeof(uint16_t), ESP.getFreeHeap());
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Serial.println("Giving up & forcing a reboot.");
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ESP.restart(); // Reboot.
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delay(500); // Wait for the restart to happen.
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return; // Should never get here, but just in case.
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}
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// Now convert the strings to integers and place them in code_array.
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count = 0;
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uint16_t start_from = 0;
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do {
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index = str.indexOf(',', start_from);
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code_array[count] = str.substring(start_from, index).toInt();
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start_from = index + 1;
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count++;
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} while (index != -1);
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#if SEND_GLOBALCACHE
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irsend.sendGC(code_array, count); // All done. Send it.
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#endif // SEND_GLOBALCACHE
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free(code_array); // Free up the memory allocated.
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}
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void setup() {
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// initialize serial:
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Serial.begin(115200);
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delay(100);
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Serial.println(" ");
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Serial.println("IR TCP Server");
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WiFi.begin(kSsid, kPassword);
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while (WiFi.status() != WL_CONNECTED) {
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delay(900);
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Serial.print(".");
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}
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server.begin();
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IPAddress myAddress = WiFi.localIP();
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Serial.println(myAddress.toString());
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irsend.begin();
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}
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void loop() {
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while (!client)
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client = server.available();
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while (!client.connected()) {
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delay(900);
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client = server.available();
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}
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if (client.available()) {
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String ir_code_str = client.readStringUntil('\r'); // Exclusive of \r
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client.readStringUntil('\n'); // Skip new line as well
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client.flush();
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sendGCString(ir_code_str);
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}
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}
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