#include <3048f.h>				/*I/OƒAƒNƒZƒX—pƒCƒ“ƒNƒ‹�[ƒh*/
#define	LCD_E		P3.DR.BIT.B5
#define	LCD_RS		P3.DR.BIT.B4
#define	LCD_DATA	P3.DR.BYTE
extern	void	wait(long);
/*************************************************************************
;
;	‚k‚b‚c(‚Sƒrƒbƒg)‚PƒoƒCƒgƒf�[ƒ^�o—̓‹�[ƒ`ƒ“
;	code:�o—̓f�[ƒ^
;	rs	:1:•¶ŽšƒR�[ƒh�@0:�§ŒäƒR�[ƒh
;************************************************************************/
void lcd4_byte_out(int code, int rs)	/* ‰t�»�o—Í */
{
	volatile int	i;
	
	i	=	code;
	i	=	i	>>	4;
	i	=	i	&	0x0f;
	LCD_DATA	=	i;
	if	(rs)	LCD_RS	=	1;
	LCD_E		=	1;
	wait(1);
	LCD_E		=	0;

	i	=	code;
	i	=	i	&	0x0f;
	LCD_DATA	=	i;
	if	(rs)	LCD_RS	=	1;
	LCD_E		=	1;
	wait(1);
	LCD_E		=	0;

	wait(60);					/*40uS‚Ì‚v‚`‚h‚s*/
}

/*************************************************************************
;
;	‚k‚b‚c(‚Sƒrƒbƒg)•\Ž¦ƒNƒŠƒAƒ‹�[ƒ`ƒ“
;
;************************************************************************/
void	lcd4_cls()
{
	lcd4_byte_out(0x01, 0);			/*•\Ž¦ƒNƒŠƒA*/
	wait(3200);						/*2mS‚Ì‚v‚`‚h‚s*/
}

/*************************************************************************
;
;	‚k‚b‚c(‚Sƒrƒbƒg)‚c‚c‚q‚`‚lƒAƒhƒŒƒXƒZƒbƒgƒ‹�[ƒ`ƒ“
;
;************************************************************************/
void	lcd4_ddram_set(int address)
{
	address =	address |	0x80;
	lcd4_byte_out(address, 0);			
		
}
/*************************************************************************
;
;	‚k‚b‚c(‚Sƒrƒbƒg)ƒf�[ƒ^�o—̓‹�[ƒ`ƒ“
;
;************************************************************************/
void	lcd4_out(int address, char	*data)
{
/*--------------‚Œ‚ƒ‚„ƒAƒhƒŒƒX�o—Í------------*/
	address =	address |	0x80;
	lcd4_byte_out(address, 0);

	while(*data){
		lcd4_byte_out(*data, 1);
		data++;
	}

}
/*;*************************************************************************
;
;	‚k‚b‚c(‚Sƒrƒbƒg)�‰Šú‰»�‰Šú‰»ƒ‹�[ƒ`ƒ“(lcd4_init)
;	PORT3(0-3)	;‚Œ‚ƒ‚„—pƒf�[ƒ^�o—Í
;	PORT3(5)	;‚Œ‚ƒ‚„—pE�o—Í
;	PORT3(4)	;‚Œ‚ƒ‚„—pRS�o—Í
;**************************************************************************/
void lcd4_init()
{
/*;-----‚Œ‚ƒ‚„ƒ|�[ƒg�Ý’è*/
	P3.DDR		=	0x3f;
	LCD_DATA	=	0x00;

	wait(32000);				/*‚Q‚O‚�‚r‚Ì‚v‚`‚h‚s*/

	LCD_DATA	=	0x03;
	LCD_E		=	1;
	wait(1);
	LCD_E		=	0;

	wait(8000);					/*5mS‚Ì‚v‚`‚h‚s*/

	LCD_E		=	1;
	wait(1);
	LCD_E		=	0;

	wait(157);					/*100uS‚Ì‚v‚`‚h‚s*/

	LCD_E		=	1;
	wait(1);
	LCD_E		=	0;

	wait(60);					/*40uS‚Ì‚v‚`‚h‚s*/


	LCD_DATA	=	0x02;
	LCD_E		=	1;
	wait(1);
	LCD_E		=	0;

	wait(60);					/*40uS‚Ì‚v‚`‚h‚s*/

	lcd4_byte_out(0x28, 0);			/*ƒtƒ@ƒ“ƒNƒVƒ‡ƒ“ƒZƒbƒg*/
	lcd4_byte_out(0x08, 0);			/*•\Ž¦ƒIƒt*/
	lcd4_byte_out(0x01, 0);			/*•\Ž¦ƒNƒŠƒA*/

	wait(3200);					/*2mS‚Ì‚v‚`‚h‚s*/

	lcd4_byte_out(0x06, 0);			/*ƒGƒ“ƒgƒŠ�[ƒ‚�[ƒhƒZƒbƒg*/
	lcd4_byte_out(0x0c, 0);			/*•\Ž¦ƒIƒ“*/
}