if(EEPROM_Read(0)==0)// reading Price from eeprom
                 {
                  store_total_price= EEPROM_Read(1) ;
                  store_total_price =(store_total_price*100) +EEPROM_Read(2);
                  store_total_price =(store_total_price*100) +EEPROM_Read(3);
                  if(store_total_price>=999999)
                                            {
                                             led_full_price=1;
                                             Price_enable=1; // flashing led for full price
                                             store_total_price=999999;
                                            }
                  else led_full_price=0;
                  led_clear=1;
                 }
 else
     {
      store_total_price=0;
      led_clear=0;
     }
 if(EEPROM_Read(4)!=0xFF)// reading Price from eeprom
                 {

                  distance_km = EEPROM_Read(4) ;
                  distance_km =(distance_km*100) +EEPROM_Read(5);
                  distance_km =(distance_km*100) +EEPROM_Read(6);
                  if(distance_km>=999999)
                                          {
                                           led_full_distance=1;
                                           distance_km_enable=1;// led flashing for full distance
                                           distance_km=999999;
                                          }
                  else led_full_distance=0;
                  led_distance_cont=1;
                 }

if(EEPROM_Read(0)==0)// reading Price from eeprom
                 {
                  store_total_price=(10000*EEPROM_Read(1))+(100*EEPROM_Read(2))+EEPROM_Read(3);
                  led_clear=1;
                 }

 if(clear_cont>=5000) // clear eeprom
                                {
                                 clear_cont=0;
                                 if(flag_price_clear==1)
                                                       {
                                                         flag_price_clear=0;
                                                         EEPROM_Write(0,0xFF);
                                                         EEPROM_Write(1,0);
                                                         EEPROM_Write(2,0);
                                                         EEPROM_Write(3,0);
                                                         led_clear=0;
                                                         led_full_price=0;
                                                         price_enable=0;
                                                         store_total_price=0;
                                                        }
                                 else  if(flag_distance_clear==1)
                                                     {
                                                        flag_distance_clear=0;
                                                        EEPROM_Write(4,0xFF);
                                                        EEPROM_Write(5,0);
                                                        EEPROM_Write(6,0);
                                                        led_distance_cont=0;
                                                        led_full_distance=0;
                                                        distance_km_enable=0;
                                                        distance_km=0;
                                                      }
                                }

if( sw_set==0 && sw_dec==0 && sw_inc==0)flag_price_clear=1; // code clear eeprom  Price
             else
                  {
                   flag_price_clear=0;
                  }

 led_clear=0;
                                                         led_full_price=0;
                                                         price_enable=0;

 if( sw_set==1 && sw_dec==0 && sw_inc==0)flag_distance_clear=1; // code clear eeprom  distance
             else 
                  {
                   flag_distance_clear=0;
                  }

led_distance_cont=0;
                                                        led_full_distance=0;
                                                        distance_km_enable=0;

if( start==0 && start2==1 )
                             {
                              start=1;
                              led_buzzy=1;
                              led_empty=0;
                              kk=0;
                              transfer_display=4;  // show message "start"
                              old_value=0;
                              colomn=0;
                              end_digit=5;// run only 5 7seg
                              message_cont=0;
                              flag_measuring_speed=1;
                              cont_speed_ave=0;
                              distance_price=0;//start value from 0

                             }

else  if(start2>=3  )
                        {  // return to main code " display date , clock
                          kk=255;
                          if(start==3)// store Price value in eeprom
                                     {
                                      store_total_price += value_start;
                                      if(store_total_price>=999999)
                                                                  {
                                                                   store_total_price=999999;
                                                                   Price_enable=1;
                                                                  }
                                      EEPROM_Write(0,0);// store 0 in address 0 this flag mean the data storing in eeprom

                                      EEPROM_Write(1,store_total_price/10000);//123456 /10000=12
                                      EEPROM_Write(2,store_total_price/100%100);//123456 /100 =1234%100=34
                                      EEPROM_Write(3,store_total_price%100); //123456 /100 =1234%100=34
                                      distance_km +=distance;
                                      EEPROM_Write(4,distance_km/10000);//123456 /10000=12
                                      EEPROM_Write(5,distance_km/100%100);//123456 /100 =1234%100=34
                                      EEPROM_Write(6,distance_km%100);
                                      led_clear=1;
                                      led_distance_cont=1;
                                     }
                          start=0;
                          start2=0;
                          led_buzzy=0;
                          led_empty=1;
                          transfer_display=0;// now start display date and clock;
                        }

void alarm_full_distance_price()
{
 if(timer_price_distance_full>=250)
             {
              timer_price_distance_full=0;
              if(distance_km_enable==1)led_full_distance=~led_full_distance;

              if(price_enable==1)led_full_price =~led_full_price;
             }


}

if(EEPROM_Read(0)==0)// reading Price from eeprom
                 {
                  store_total_price= EEPROM_Read(1) ;
                  store_total_price =(store_total_price*100) +EEPROM_Read(2);
                  store_total_price =(store_total_price*100) +EEPROM_Read(3);
                  if(store_total_price>=999999)
                                            {
                                             led_full_price=1;
                                             Price_enable=1; // flashing led for full price
                                             store_total_price=999999;
                                            }
                  else led_full_price=0;
                  led_clear=1;
                 }
 else
     {
      store_total_price=0;
      led_clear=0;
     }
 if(EEPROM_Read(4)!=0xFF)// reading Price from eeprom
                 {

                  distance_km = EEPROM_Read(4) ;
                  distance_km =(distance_km*100) +EEPROM_Read(5);
                  distance_km =(distance_km*100) +EEPROM_Read(6);
                  if(distance_km>=999999)
                                          {
                                           led_full_distance=1;
                                           distance_km_enable=1;// led flashing for full distance
                                           distance_km=999999;
                                          }
                  else led_full_distance=0;
                  led_distance_cont=1;
                 }

void speed_measuring()
{
  //if(cont_speed_ave <=2)IR_TX=1;//run ir led
 if(time_speed_cont>=500 && cont_speed_ave ==0)
                        {
                         time_speed_cont=0;
                         IR_TX=0;
                         cont_speed_ave++;
                         TMR0L=0;
                        }

  else if(time_speed_cont>=500 && cont_speed_ave==1)
                        {
                         speed1=TMR0L ;
                         if(start==2) // distance calculated only through calculated Price only
                                   {
                                    distance_price += ((speed1*26)/10);// distance=speed/time=speed/1sec=speed   2 mean distance for 2 second
                                                        // but found error and soultion using factor 2.6 second not 2 (260/100) by using method correct and error with real time
                                    if(TMR0L==0)distance_price=0;


                                    distance =distance_price;// calculate total distance

                                   }
                         TMR0L=0;
                         if((distance_km+distance)>=999999)
                                              {
                                               distance_km=999999;
                                               distance_km_enable=1;// oscillation led.
                                              }
                         IR_TX=0;
                         time_speed_cont=0;
                         check_price=1;
                         if(start==0)
                                    {
                                     speed =speed1 * 60   ; //  speed=(speed1)*60
                                     speed_data[0]=speed/1000;// 1480 /1000 =1
                                     speed_data[1]=speed/100 %10;// 1480/100=14%10=4
                                     speed_data[2]=speed/10 %10;// 1480/10=148%10=8
                                     speed_data[3]=speed %10; // 1480%10=0
                                     speed_data[4]=11;
                                     speed_data[5]=11;
                                    }
                         cont_speed_ave=0;
                        }

}

void calculate_price()
{

  // value_start=125 start value
 // car is stop then Price =125  , add 30 every 10sec
 // car running then Price =125  , add 30 every 100 meter
 // speed =m/s, speed =no. puls per second . then if speed=100 add to Price 30
 update_data();

 if(Price_change==0)// Price value start from 125
                  {
                   if(speed1>1   ){    // ex if distance =150m then distance/100=1  and must be put 50 in distance not put 0
                                            value_start=price_initial_1+(chot1*(distance_price/100)) ;
                                            Price_cont =0;
                                  }
                    else if( Price_cont>=3500){price_cont=0; value_start +=chot1;}
                  }
 else if(Price_change==1) // Price value start from 200
                         {
                          if(speed1>1 ) // ex if distance =150m then distance/100=1  and must be put 50 in distance not put 0
                                                 {
                                                   value_start=price_initial_2 +(chot2*(distance_price /100));
                                                   Price_cont=0;
                                                 }
                          else if(Price_cont>=3500){price_cont=0; value_start +=chot2;}
                         }
 if( value_start>=999999)
                         {
                          value_start=999999;
                          led_full_price=1;
                          price_enable=1;
                         }
 Price_array(value_start);

 check_price=0;

}

else  if(start2>=3  )
                        {  // return to main code " display date , clock
                          kk=255;
                          if(start==3)// store Price value in eeprom
                                     {
                                      store_total_price += value_start;
                                      if(store_total_price>=999999)
                                                                  {
                                                                   store_total_price=999999;
                                                                   Price_enable=1;
                                                                  }
                                      EEPROM_Write(0,0);// store 0 in address 0 this flag mean the data storing in eeprom

                                      EEPROM_Write(1,store_total_price/10000);//123456 /10000=12
                                      EEPROM_Write(2,store_total_price/100%100);//123456 /100 =1234%100=34
                                      EEPROM_Write(3,store_total_price%100); //123456 /100 =1234%100=34
                                      distance_km +=distance;
                                      EEPROM_Write(4,distance_km/10000);//123456 /10000=12
                                      EEPROM_Write(5,distance_km/100%100);//123456 /100 =1234%100=34
                                      EEPROM_Write(6,distance_km%100);
                                      led_clear=1;
                                      led_distance_cont=1;
                                     }
                          start=0;
                          start2=0;
                          led_buzzy=0;
                          led_empty=1;
                          transfer_display=0;// now start display date and clock;
                        }