#include <IRremote.h>

// motor data
//const boolean data[2]={0,1};
const int data[2]={0,255};

// primary IR control
const unsigned long KEYUP = 0xFF22DD;
const unsigned long KEYDN = 0xFF12ED;
const unsigned long KEYUPCODE = 0x20DFE21D;
const unsigned long KEYOKCODE = 0x20DFD22D;
const unsigned long KEYDOWNCODE = 0x20DF12ED;
const unsigned long KEYPOWER = 0x20DF807F;

bool bEnableMotor;               // enable flag
int i_step,                      // counter
    s_step;                      // speed
unsigned long last_ir;           // cycle restriction timestamps
unsigned long last_step;
IRrecv irrecv(2);                // CIR code receiver
decode_results results;

void setup(){                    // initialization
 bEnableMotor=false;
 pinMode(13,OUTPUT);             // flight ON LED
 pinMode(9,OUTPUT);              // left wing
 pinMode(10,OUTPUT);             // right wing

 last_ir=millis();
 last_step=millis();
 i_step=0;
 s_step=1000;                    // speed
 irrecv.enableIRIn();
}                                // init routine ends

void loop() {                                    // duty cycle
  if(irrecv.decode(&results)){                   // check whether there is CIR data
   if(millis() - last_ir>250){                   // restrict receiver time
    switch (results.value){                      // mode control
     case KEYUPCODE:
       bEnableMotor=true;                        // engage
       digitalWrite(13,1);
     break;
     case KEYDOWNCODE:
     case KEYOKCODE:
       bEnableMotor=false;                       // halt
       digitalWrite(13,0);
       analogWrite(9,0);
       analogWrite(10,0);
     break;
    }
   }                                             // IR receiver time restriction ends
   last_ir=millis();                             // update timer
   irrecv.resume();                              // IR proceed
  }
  if(bEnableMotor){                              // the trigger is on, do job + time shit
   //= output ==============================
   // digitalWrite(13,data[i_step]);
   // digitalWrite(12,data[i_step]);
   analogWrite(9 ,data[i_step]);
   analogWrite(10,data[i_step]);
   //=======================================
   if(millis()-last_step>s_step){                // update counter
    i_step++;
    if(i_step>1) i_step=0;
    last_step=millis();                          // update timer
   }
  }                                              // trigger condition ends
}                                                // duty cycle ends