dear andy,

How can i pass the three variables to the function. I have to pass the starting address ( for eeprom), number of places in the eeprom that have to be written and the pointer to the first character whic is a pointer.

I have removed the parenthesis but still the same result

/**************************EEPROM.C**************************************/
#include<reg51.h>
#include<generic.h>
#include<serial.h>
#include<main.h>
#include<I2C.h>
#include<eeprom.h>

unsigned char i = 0,j = 0,k = 0;
unsigned char add_L_1 = 0,add_L_2 = 0,add_H_1 = 0,add_H_2 = 0;
bit write_now =0,s_add_rd_flag = 0;
unsigned char read_add_L = 0,read_add_H = 0,write_add_L = 0,write_add_H = 0;
/*=============================================================================*/
unsigned char single_address_read(unsigned int single_read_add)
{
unsigned char single_read_data = 0;
GREEN_LED = 0;
read_add_L = single_read_add;
read_add_H = single_read_add >> 8;
i2c_transmit_start();
i2c_transmit_byte(0xA0);
i2c_transmit_byte(read_add_H);
i2c_transmit_byte(read_add_L);
i2c_transmit_restart();
i2c_transmit_byte(0xA1);
single_read_data = i2c_receive_byte(I2C_ACK);
i2c_transmit_stop();
GREEN_LED = 1;
return(single_read_data);
}

void single_address_write(unsigned int single_write_add,unsigned char single_write_data)
{
YELLOW_LED = 0;
write_add_L = single_write_add;
write_add_H = single_write_add >> 8;
msec_wait(1);
i2c_transmit_start();
i2c_transmit_byte(0xA0);
i2c_transmit_byte(write_add_H);
i2c_transmit_byte(write_add_L);
i2c_transmit_byte(single_write_data);
i2c_transmit_stop();
YELLOW_LED = 1;
}

void burst_mode_write(unsigned int start_address_1, unsigned char no_of_places_1, unsigned char *p)<<
{
YELLOW_LED = 0;
add_L_1 = start_address_1;
add_H_1 = start_address_1 >> 8;
msec_wait(10);
i2c_transmit_start();
i2c_transmit_byte(0xA0);
i2c_transmit_byte(add_H_1);
i2c_transmit_byte(add_L_1);
for(i = 0; i < no_of_places_1; i++,p++)
	{i2c_transmit_byte(*p);}
i2c_transmit_stop();
YELLOW_LED = 1;
}

void burst_mode_read(unsigned int start_address_2, unsigned char no_of_places_2, unsigned char *p)<<
{
GREEN_LED = 0;
add_L_2 = start_address_2;
add_H_2 = start_address_2 >> 8;
i2c_transmit_start();
i2c_transmit_byte(0xA0);
i2c_transmit_byte(add_H_2);
i2c_transmit_byte(add_L_2);
i2c_transmit_restart();
i2c_transmit_byte(0xA1);
for(j = 0; j < (no_of_places_2-1); j++,p++)
	{
	*p = i2c_receive_byte(I2C_NAK);
	}
*p = i2c_receive_byte(I2C_ACK);
i2c_transmit_stop();
GREEN_LED = 1;
}
/************************************************************************/
/**************************main.c**************************************/
#include<reg51.h>
#include<generic.h>
#include<serial.h>
#include<main.h>
#include<I2C.h>
#include<eeprom.h>

unsigned char add_L = '/0',add_H = '/0';
unsigned char dta;
bit single_read = 0,single_write = 0,burst_read = 0,burst_write = 0;
unsigned char data_to_eeprom[64] = 0;//{1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10};
unsigned char data_from_eeprom[64]= 0;

unsigned char loca_data_1 = 33,loca_data_2 = 33;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
void serial_interrupt(void) interrupt 4
{
	if(TI)
	{
		TI = 0;
	}	
	if(RI)
	{
		if(SBUF == '!')
		  single_read = 1;//function called to read a single byte
		else if(SBUF == '@')
		  single_write = 1;//function called to write a single byte
		else if(SBUF == '#')
		  burst_read = 1;//function called to read in bust mode
 		else if(SBUF == '$')
		  burst_write = 1;//function called to write in bust mode
		RI = 0;
	}
}


void main(void)
{
sec_wait(1);
initialize_serial();
msec_wait(100);
while(1)
	{
	if(single_read == 1)
		{
		SBUF = single_address_read(1280);//single byte read using a static address for testig
		single_read = 0;
		}
	if(single_write == 1)
		{
		single_address_write(1280, loca_data_1);//single byte write using a static address for testig
		single_write = 0;
		if(loca_data_1 < 127)
			loca_data_1++;
		else
			loca_data_1 = 0;
		}
	if(burst_read == 1)
		{
		burst_mode_read(1280, 5, &data_from_eeprom);
		SBUF = data_from_eeprom[0];msec_wait(1);
		SBUF = data_from_eeprom[1];msec_wait(1);
		SBUF = data_from_eeprom[2];msec_wait(1);
		SBUF = data_from_eeprom[3];msec_wait(1);
		SBUF = data_from_eeprom[4];msec_wait(1);
		burst_read = 0;
		}
	if(burst_write == 1)
		{
		data_to_eeprom[0] = loca_data_2;
		data_to_eeprom[1] = loca_data_2;
		data_to_eeprom[2] = loca_data_2;
		data_to_eeprom[3] = loca_data_2;
		data_to_eeprom[4] = loca_data_2;
		loca_data_2++;
		burst_mode_write(1280, 5, &data_to_eeprom);
		burst_write = 0;
		}
	}
}
/************************************************************************/