Programming for EEPROM IN PIC16F877A micrcontrollers

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// LCD module connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
// End LCD module connections
 
void WriteEEPROM(char Addr, char Data);
char ReadEEPROM(char addr);
void port_confg();
 Lcd_Init();
Lcd_Cmd(_LCD_CLEAR);               // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);          // Cursor off
 
 void main()
{
 char WriteEEPROM(char Addr, char Data);
  char ReadEEPROM(char addr);
  port_confg();
  Delay_ms(2000);
 
   while(1)
     {
     }
  }
 void port_confg()
 {
 PORTB = 0;
 PORTA = 0;
 TRISB = 0b00001111;
 TRISA = 0b00100000;
 }
char WriteEEPROM(char Addr, char Data)
{
while(EECON1.WR == 1);
EEADR = Addr;
EEDATA = Data;
EECON1.EEPGD = 0;              // 0 = Access data EEPROM memory
EECON1.WREN = 1;                // enable writes to internal EEPROM
EECON2 = 0x55;                  // Required sequence for write to internal EEPROM
EECON2 = 0xAA;                     // Required sequence for write to internal EEPROM
EECON1.WR = 1;                    // begin write to internal EEPROM
EECON1.WREN = 0;
}
char ReadEEPROM(char addr)
{
EEADR = addr;
EECON1.EEPGD = 0;
EECON1.RD = 1;
asm nop; asm nop;
return EEDATA;
}