#ifndef  _util_h_
#define  _util_h_

#include <stdio.h>
#include <absacc.h>
#include <intrins.h>
#include <reg167.h>


/*SERIAL - INITS*/

#define Baud9600 0x40
#define Baud19k2 0x20
#define Baud38k4 0x10
#define Baud57k6 0x0A

sbit TxD = P3^10;
sbit DTxD = DP3^10;
sbit DRxD = DP3^11;

extern void init_serial( unsigned int baud );


/* MISC */

extern void wait_100mues(unsigned char Multiplikator);
extern void wait_10ms(unsigned char Multiplikator);



/*LCD - FUNCS*/

#define CS_LCD 0x080000
#define	DIS_IR_W MVAR(unsigned char,CS_LCD + 0x0)
#define	DIS_DR_W MVAR(unsigned char,CS_LCD + 0x1)
#define	DIS_IR_R MVAR(unsigned char,CS_LCD + 0x2)
#define	DIS_DR_R MVAR(unsigned char,CS_LCD + 0x3)

#define lcd_ready while((DIS_IR_R & 0x80)!=0)



extern void init_lcd(void);
extern void lcd_off(void);

/*
	n = 0 no   cursor
	n = 1 with cursor
	n = 2 with blinking cursor
*/
extern void lcd_on(unsigned char n);

extern void lcd_clear(void);

/*
	sets cursor to position
	z = 0 ..  3 ( row 1 -  4 )
	s = 0 .. 15 ( pos 1 - 16 )
*/
extern void lcd_setcursor(unsigned char z, unsigned char s);
extern void lcd_putchar(unsigned char zeichen);


/*
	sets cursor to position
	z = 0 ..  3 ( row 1 -  4 )
	s = 0 .. 15 ( pos 1 - 16 )
	and then sets text a
*/

extern void lcd_puts(unsigned char z, unsigned char s, char *a);



/* key-input */

extern unsigned char testkey( void );

/*
 reads keyinput.
 if a key is pressed, tests ist for
 three times, with a difference of
 10 ms between every test.
 If same key pressed after this
 tests, function waits till key
 is released, then it returns the key.
 Otherwise 0 is returned.
*/
extern unsigned char readkey( void );


extern void setDaysOfMonth( int month, int year );


#define NOKEY		0

#define KEY_UP		'U'
#define KEY_DOWN	'D'
#define KEY_LEFT	'L'
#define KEY_RIGHT	'R'

#define KEY_0		'0'
#define KEY_1		'1'
#define KEY_2		'2'
#define KEY_3		'3'
#define KEY_4		'4'
#define KEY_5		'5'
#define KEY_6		'6'
#define KEY_7		'7'
#define KEY_8		'8'
#define KEY_9		'9'

#define KEY_E		'E'
#define KEY_C		'C'



#endif