lcd driver:

#include<string.h>
#include<reg51.h>
#define LCD_clear() LCD_command(0x1)	/* Clear display LCD */
#define LCD_origin() LCD_command(0x2)	/* Set to origin LCD */
#define LCD_row1() LCD_command(0x80)	/* Begin at Line 1 */
#define LCD_row2() LCD_command(0xC0)

sbit rs   = P3^6;
sbit en   = P3^7;

void lcd_en ()
{
en  = 1; en  = 1; en  = 1;
en  = 0; en  = 0;
}
void LCD_delay(unsigned char ms)
{
unsigned char n;
unsigned int i;
for (n=0; n 	{
for (i=0; i&lt;1535; i++); /* For 1 ms */
}

}

void LCD_command(unsigned char command)
{
rs=0; rs = 0;
P0		= command;
lcd_en ();
LCD_delay(1);

}

void LCD_init()
{
LCD_command(0x38);
LCD_command(0x06);
LCD_command(0x0c);
LCD_command(0x01);
LCD_delay(256);
}

void LCD_putc(unsigned char ascii)
{
rs=1;
P0		= ascii;
lcd_en ();
LCD_delay(2);
LCD_command(0x0C);
}

void LCD_puts(unsigned char *lcd_string)
{
while (*lcd_string)
{
LCD_putc(*lcd_string++);
}
}

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