IRLib2

(IRLib2 GitHub)
(IRlib2.zip)解壓縮後將以下資料夾

全部放到Arduino libraries下
(IRLibReference.pdf)
Using an Infrared Library on Arduino(ref)

接收

#include "IRLibAll.h"
IRrecvPCI myReceiver(2);
IRdecode myDecoder;

void setup() {
Serial.begin(115200);
myReceiver.enableIRIn(); // Start the receiver
Serial.println("Ready to receive IR signals");
}

void loop() {
if (myReceiver.getResults()) {
    myDecoder.decode();           //Decode it
    myDecoder.dumpResults(false); //Now print results. Use true for more detail
    myReceiver.enableIRIn();      //Restart receiver
}
}
//先使用此程式找出遙控器 key code
//在使用下面程式做控制應用
//Key CH-

Ready to receive IR signals
Decoded NEC(1): Value:FFA25D Adrs:0 (32 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)
Decoded NEC(1): Value:FFA25D Adrs:0 (32 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)
Decoded NEC(1): Value:FFA25D Adrs:0 (32 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)
Decoded NEC(1): Value:FFA25D Adrs:0 (32 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)
Decoded NEC(1): Value:FFFFFFFF Adrs:0 (0 bits)

//顯示於I2C LCD
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3F,16,2);
#include <IRLibAll.h>
uint32_t val;
//Create a receiver object to listen on pin 2
IRrecvPCI myReceiver(2);

//Create a decoder object
IRdecode myDecoder;

void setup() {
lcd.init();
lcd.backlight();
lcd.setCursor(0, 0);
myReceiver.enableIRIn(); // Start the receiver
lcd.setCursor(0, 0);
lcd.print("Ready to receive");
}

void loop() {
//Continue looping until you get a complete signal received
if (myReceiver.getResults()) {
    myDecoder.decode();    //Decode it
    val=myDecoder.value;
    if(val==0xFFFFFFFF)
     {lcd.setCursor(0, 1);
       lcd.print("Reapeat");
      }
     else if(val==0)
      {lcd.clear();
       lcd.setCursor(0, 0);
       lcd.print("unknown protocol");
      }
      else
      {lcd.clear();
       lcd.setCursor(0, 0);
       lcd.print("Code:");
       lcd.setCursor(5, 0);
       lcd.print(val,HEX);
      }

      }
    myReceiver.enableIRIn();      //Restart receiver
}

//使用遙控器控制LED +Serial
#include <IRLibAll.h>
#define led 13
IRrecvPCI myReceiver(2);
IRdecode myDecoder;
uint32_t val;
void setup() {
pinMode(led,OUTPUT);
Serial.begin(9600);
myReceiver.enableIRIn(); // Start the receiver
Serial.println("Ready to receive IR signals");
}

void loop() {
if (myReceiver.getResults()) {
    myDecoder.decode();           //Decode it
    val=myDecoder.value;
    Serial.println(val,HEX);

    if (val==0xFFA25D) digitalWrite(led,1);//key :CH-
    if (val==0xFF629D) digitalWrite(led,0);//key: CH
    myReceiver.enableIRIn();      //Restart receiver
}
}

//LCD顯示+遙控
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3F,16,2);
#include <IRLibAll.h>
#define led 13
IRrecvPCI myReceiver(2);
IRdecode myDecoder;
uint32_t val;
void setup() {
pinMode(led,OUTPUT);
lcd.init();
lcd.backlight();
lcd.setCursor(0, 0);
myReceiver.enableIRIn(); // Start the receiver
lcd.setCursor(0, 0);
lcd.print("Ready to receive");
}

void loop() {
if (myReceiver.getResults()) {
    myDecoder.decode();    //Decode it
    val=myDecoder.value;
    if(val==0xFFFFFFFF)
     {lcd.setCursor(0, 1);
       lcd.print("Reapeat");
      }
     else if(val==0)
      {lcd.clear();
       lcd.setCursor(0, 0);
       lcd.print("unknown protocol");
      }
      else
      {if (val==0xFFA25D) digitalWrite(led,1);//key :CH-
       if (val==0xFF629D) digitalWrite(led,0);//key: CH
       lcd.clear();
       lcd.setCursor(0, 0);
       lcd.print("Code:");
       lcd.setCursor(5, 0);
       lcd.print(val,HEX);
      }
     myReceiver.enableIRIn();      //Restart receiver
}

}

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