#include <IRremote.h>
#include <Servo.h>

#define PIN_RECEIVER 12   // Signal Pin of IR receiver
#define PIN_SERVO 3
IRrecv receiver(PIN_RECEIVER);
Servo servo1;
void setup()
{
  Serial.begin(9600);
  receiver.enableIRIn(); // Start the receiver
  servo1.attach(PIN_SERVO);
}

int rotation=90;
int flag=0;//不转 0  1转自动转
int zhuanfx=1;//1右转 0左转
void loop()
{
  // Checks received an IR signal
  if (receiver.decode()) {
    flag=0;
    if(receiver.decodedIRData.command==226) //menu键 左    右180 左0 右
    { 
      flag=1;//1转自动转
      
    }

      /*if(flag=1)
      {
        for(rotation=0;rotation<=180;rotation++)
        {
          servo1.write(rotation);
          delay(15);
          if(rotation>=180)
          {
            for(rotation=180;rotation>=0;rotation--)
            {
              servo1.write(rotation);
              delay(15);
            }         
          }              
        }
      }*/      
          
      /*rotation = rotation - 10;
      if(rotation<0)  rotation=0;
      servo1.write(rotation);
      Serial.println("NEXT");
      rotation = rotation + 10;
      if(rotation>180) rotation=180;
      servo1.write(rotation);*/    
      if(receiver.decodedIRData.command==224)//224 “PREV” 键 左---
      { 
        
      //左右转
        Serial.println("PREV");
        rotation = rotation - 10;
        if(rotation<0)  rotation=0;
        servo1.write(rotation);
      }
    /*
    if(receiver.decodedIRData.command==2)//2 +
    { 
      flag=0;
     //左右转
      Serial.println("PREV");
      rotation = rotation - 10;
      if(rotation<0)  rotation=0;
      servo1.write(rotation);
    if(receiver.decodedIRData.command==152)//152 -
    { 
      flag=0;
     //左右转
      Serial.println("PREV");
      rotation = rotation - 10;
      if(rotation<0)  rotation=0;
      servo1.write(rotation);    
    */
    if(receiver.decodedIRData.command==144)//144 "NEXT"键 右 +++
    {
      
      Serial.println("NEXT");
      rotation = rotation + 10;
      if(rotation>180) rotation=180;
      servo1.write(rotation);
    }
    if(receiver.decodedIRData.command==34)//34 "TEXT"键准备开始键入数字
    {
      
      int num = -1;
      rotation = 0;
      Serial.println("start INPUT number");
      receiver.resume();
      delay(10);
      while(1)
      {
        if(receiver.decode())
        {
          if(receiver.decodedIRData.command == 168) break;//168 “play”键 数字输入结束
          num = inputNum();//读入数字，0-9  非数字为-1
          if(num!=1)
          {
            rotation = rotation * 10 +num;
            Serial.println(rotation);
          }
          receiver.resume();
          delay(10);
        }
      }
      Serial.println("move point!");
      servo1.write(rotation);
    }
    receiver.resume();
  }
  else
  {
    /*左右转*/
      if(rotation>180 && zhuanfx==1) zhuanfx=0;
      if(rotation<0 && zhuanfx==0) zhuanfx=1;
      if(zhuanfx==1) 
      {
        rotation = rotation + 10;
      }
      if(zhuanfx==0) 
      {
        rotation = rotation - 10;
      }
      servo1.write(rotation);
      delay(100);
  }
  }
}
  



int inputNum()
{
  int num;
  switch(receiver.decodedIRData.command)
  {
    case 104:
      num=0;
      break;
    case 48:
      num=1;
      break;
    case 14:
      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;
}/*
  }
}
     receiver.decode();
     while(receiver.decodedIRData.command!=168)//168 "play"键 数字输入结束
     {
       num=inputNum(());  //读入数字,0-9  非数字为-1
       if(num!=-1)  rotation=rotation*10+num;
       receiver.resume();
       //Serial.println(rotation);
       //receiver.resume();
       delay(10);
       receiver.decode();

     }
     Serial.println("move point!");
     servol.write(rotation)
    }
    receiver.resume();  // Receive the next value
  }
}
int inputNum()
{
  int num;
  switch(receiver.decodedIRData.command)
  {
    case 104:
      num=0;
      break;
    case 104:
      num=1;
      break;
    case 104:
      num=2;
      break;
    case 104:
      num=3;
      break;
    case 104:
      num=4;
      break;
    case 104:
      num=5;
      break;
    case 104:
      num=6;
      break;
    case 104:
      num=7;
      break;  
    case 104:
      num=8;
      break;
    case 104:
      num=9;
      break; 
      default:
        num=-1;  
  }
  return num;
}*/