獲取紅外線訊號(使用 IRremote v4)

get_IR_arduino_uno.cpp

#include <Arduino.h>

#include <IRremote.hpp>

#define ADDRESS 0x01

void forward(void);
void left(void);
void right(void);
void back(void);
void stops(void);

uint16_t last_command;

unsigned int last_time;

void setup() {
  Serial.begin(115200);
  IrReceiver.begin(2);
}

void loop() {
  if (IrReceiver.decode()) {
    IRData data = IrReceiver.decodedIRData;
    uint16_t command = data.command;

    // 是否為一直按下，如果是將舊的數值套用成新的
    if (data.flags & IRDATA_FLAGS_IS_REPEAT) command = last_command;
    else last_command = command;

    Serial.print("address: ");
    Serial.println(data.address, HEX);
    Serial.print("command: ");
    Serial.println(command, HEX);
    Serial.println("------");

    if (data.address == ADDRESS) {
      switch (command) {
        case 0x01:
          forward();
          break;
        case 0x02:
          left();
          break;
        case 0x03:
          right();
          break;
        case 0x04:
          back();
          break;
      }
    }
    IrReceiver.resume();
    last_time = millis();
  } else if (millis() - last_time > 100) {
    stops();
  }
}

void forward() {}

void left() {}

void right() {}

void back() {}

void stops() {}