keyboard.h

8279的驱动测试程序 用于控制4*4键盘 比较简单,适合初学者使用

#ifndef _keyboard_h
#define _keyboard_h


sbit A08279	= P1^2;

#define Com8279  XBYTE[0xffff]
#define Dat8279  XBYTE[0xffff]


sbit A0 = P3^4;
sbit A1 = P3^5;
#define  uchar unsigned char                 //uint1
#define  uint unsigned int                   //uint2
#define  ulong unsigned long                 //uint4




extern   void KeyIsr();
extern   Init8279();
extern   void print(char *pdat);
extern   void printhex(ulong dat);
extern   uchar GetFiFoStatus();
extern   void delay8279();




#endif