kb.h

很好的键盘驱动程序

// Keyboard communication routines

#ifndef __KB_INCLUDED
#define __KB_INCLUDED

#include <90s4434.h>

#define CLOCK   2
#define DATAPIN 3

#define ISC00 0
#define ISC01 1

void InitKeyBoard(void);
interrupt [EXT_INT0] void INT0_interrupt(void);
void decode(unsigned char sc);
void put_kbbuff(unsigned char c);
int getchar_kb(void);  
void print_hexbyte(unsigned char i);
#endif