solar charge controller using pic16f877a

sbit LED at RC3_bit;
sbit SOLAR_PRESENT at RA4_bit;
sbit Base_ON at RA5_bit;
unsigned int Battery_Value;
int temp1, temp2;

void main() {

//Configuring Microcontroller
CMCON = 0X07 ; // Disbale comparatorss digital
ANSEL  = 0x10;  // Configure AN4 pin as analog for battery
TRISC3_bit = 0; // PORTC3 (7th Pin) as output
TRISC0_bit = 1; // PORTC0 (10th Pin) as input
TRISA4_bit = 1; // PORTA4 (3rd Pin) as input
TRISA5_bit = 0; // PORTA5 (2nd Pin) as output
//Configuration complete


Delay_ms(200);


//Initializing ADC
ADC_Init();

while(1)
{
     //Reading Battery Voltage from 10th pin Port C0
     Battery_Value = ADC_Read(4);
       LED = 1;
       temp1 = 0;
       temp2 = 0;


     while((SOLAR_PRESENT==0) && (Battery_Value<440))
     {
          if(!temp1) {
             Base_ON = 1;
             temp1 = 1;
          }
          LED = 1;
          Delay_ms(500);
          LED = 0;
          Delay_ms(500);
          Battery_Value = ADC_Read(4);
     }

     while((SOLAR_PRESENT==0) && (Battery_Value>=440))
        {
            if(!temp2) {
             temp2 = 1;
           }
           Base_ON = 1;
           LED = 1;
           Delay_ms(2000);
           Base_ON = 0;
           LED = 0;
           Delay_ms(2000);
           Battery_Value = ADC_Read(4);
        }
        

     if (SOLAR_PRESENT==1)
      {
        Base_ON = 0;
      }


} //while loop end