IR_receiver

IR_receiver.cpp

#include <IRremoteESP8266.h>

const int RECV_PIN = 13;
const int R_FD = 2;
const int R_BD = 16;
const int L_FD = 4;
const int L_BD = 5;

IRrecv irrecv(RECV_PIN);

decode_results results;

void car_stop()
{
  Serial.println("stop");
  analogWrite(R_FD, 1023);
  analogWrite(R_BD, 1023);
  analogWrite(L_FD, 1023);
  analogWrite(L_BD, 1023);
}

void car_forward()
{
  Serial.println("forward");
  analogWrite(R_BD, 1023);
  analogWrite(R_FD, 600);
  analogWrite(L_BD, 1023);
  analogWrite(L_FD, 600);
}

void car_backward()
{
  Serial.println("backward");
  analogWrite(R_FD, 1023);
  analogWrite(R_BD, 600);
  analogWrite(L_FD, 1023);
  analogWrite(L_BD, 600);
}
void car_turnright()
{
  Serial.println("turnright");
  analogWrite(R_BD, 1023);
  analogWrite(R_FD, 1023);
  analogWrite(L_BD, 1023);
  analogWrite(L_FD, 600);  
}
void car_turnleft()
{
  Serial.println("turnleft");
  analogWrite(R_BD, 1023);
  analogWrite(R_FD, 600);
  analogWrite(L_BD, 1023);
  analogWrite(L_FD, 1023);
}

void setup()
{
  Serial.begin(115200);
  irrecv.enableIRIn(); // Start the receiver
  
  pinMode(R_FD, OUTPUT);
  pinMode(R_BD, OUTPUT);
  pinMode(L_FD, OUTPUT);
  pinMode(L_BD, OUTPUT);
  pinMode(RECV_PIN, INPUT);
  
  analogWrite(R_FD, 1023);
  analogWrite(R_BD, 1023);
  analogWrite(L_FD, 1023);
  analogWrite(L_BD, 1023);
}

void loop()
{
  int type; 
  if (irrecv.decode(&results)) //decode the signal received from remote
  {
    type = results.value;
    Serial.println(type, HEX);
    switch (type) 
    {
        case 0xC08F7: //stop
            car_stop();
            ifforward=0;
            break;
        case 0xCD02F: //forward
            car_forward();
            ifforward=1;
            break;
        case 0xC30CF: //backward
            car_backward();
            ifforward=0;
            break;
        case 0xC708F:  //turn right
            car_turnright();
            ifforward=0;
            break;
        case 0xCB04F:  //turn left
            car_turnleft();
            ifforward=0;
            break;
        default:
            break;
    }
    irrecv.resume(); 
  }
}