define.h

单片机与键盘接口程序

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

#define  uchar  unsigned  char


sbit  ACC0    = ACC^0;
sbit  ACC7    = ACC^7;
sbit  bflag   = ACC^7;
sbit  PS2_DIO = P1^1;     
sbit  PS2_CLK = P3^3;

void ps2ini(void);
void decode(void);


extern bit revchar_flag;
extern unsigned char mcu_revchar;