#include <IRremote.h>
#include <Servo.h>
#define PIN_RECEIVER 12
#define PIN_SERVO 3
IRrecv receiver(PIN_RECEIVER);
Servo servo1;
void setup()
{
  Serial.begin(9600);
  receiver.enableIRIn(); 
  servo1.attach(PIN_SERVO);
}
int rotation=90;
void loop()
{
  // Checks received an IR signal
  if (receiver.decode()) {
    if(receiver.decodedIRData.command==224)
    {
      Serial.println("PREV");
      rotation=rotation-10;
      if(rotation<0) rotation=0;
      servo1.write(rotation);
    }
    if(receiver.decodedIRData.command==144)
    {
      Serial.println("NEXT");
      rotation=rotation+10;
      if(rotation>180) rotation=180;
      servo1.write(rotation);
    }
    if(receiver.decodedIRData.command==34)
    {
      int num=-1;
      Serial.println("start INPUT number");
      receiver.resume();
      delay(1000);
      receiver.decode();
      while(receiver.decodedIRData.command!=168)
      {
        num=inputNum();
        if(num!=-1) 
        {
          rotation=rotation*10+num;
          Serial.println(rotation);
        }
        receiver.resume();
        delay(1000);
        receiver.decode();
      }
      Serial.println("move point!");
      servo1.write(rotation);
    }
    receiver.resume();  // Receive the next value
  }
}
int inputNum()
{
  int num;
  switch(receiver.decodedIRData.command)
  {
    case 104:
      num=0;
      break;
    case 48:
      num=1;
      break;
    case 24:
      num=2;
      break;
    case 122:
      num=3;
      break;
    case 16:
      num=4;
      break;
    case 56:
      num=5;
      break;
    case 90:
      num=6;
      break;
    case 66:
      num=7;
      break;
    case 74:
      num=8;
      break;
    case 82:
      num=9;
      break;
    default:
    num=-1;
  }
  return num;
}