#include <IRremote.h>
#define irPin 11
#define go_time 1000
#define turn_time 200
#define motor_left_A 2
#define motor_left_B 3
#define motor_right_A 4
#define motor_right_B 5
IRrecv irrecv(irPin);
decode_results results;

void setup() {
  Serial.begin(9600);
  irrecv.enableIRIn();
  pinMode(motor_left_A, OUTPUT);
  pinMode(motor_left_B, OUTPUT);
  pinMode(motor_right_A, OUTPUT);
  pinMode(motor_right_B, OUTPUT);
}

void go() {
  digitalWrite(motor_left_A, LOW);
  digitalWrite(motor_left_B, HIGH);
  digitalWrite(motor_right_A, LOW);
  digitalWrite(motor_right_B, HIGH);
  delay(go_time);
  stop();
}

void back() {
  digitalWrite(motor_left_A, HIGH);
  digitalWrite(motor_left_B, LOW);
  digitalWrite(motor_right_A, HIGH);
  digitalWrite(motor_right_B, LOW);
  delay(go_time);
  stop();
}

void left() {
  digitalWrite(motor_left_A, LOW);
  digitalWrite(motor_left_B, HIGH);
  digitalWrite(motor_right_A, HIGH);
  digitalWrite(motor_right_B, LOW);
  delay(turn_time);
  stop();
}

void right() {
  digitalWrite(motor_left_A, HIGH);
  digitalWrite(motor_left_B, LOW);
  digitalWrite(motor_right_A, LOW);
  digitalWrite(motor_right_B, HIGH);
  delay(turn_time);
  stop();
}

void stop() {
  digitalWrite(motor_left_A, LOW);
  digitalWrite(motor_left_B, LOW);
  digitalWrite(motor_right_A, LOW);
  digitalWrite(motor_right_B, LOW);
}

void loop() {
  Serial.print("0x");
  Serial.println(results.value, HEX);
  delay(250);

  if (irrecv.decode(&results)) {
    // dol
    switch (results.value) {
      case 0x2FDF807 :
      back();
      break;
    }

    // gora
    switch (results.value) {
      case 0x2FDD827 :
      go();
      break;
    }

    // lewo
    switch (results.value) {
      case 0x2FD58A7 :
      left();
      break;
    }

    //prawo
    switch (results.value) {
      case 0x2FD7887 :
      right();
      break;
    }

    //stop
    switch (results.value) {
      case 0x2FD48B7 :
      stop();
      break;
    }

      irrecv.resume();
  }
}