key.h

该程序是基于c8051f020的平台

#ifndef Key

extern uchar Key_Word(void);
extern uchar Read(void);
extern uchar Decode(uchar x);
extern void  key_delay(uchar t1,t2);

#else

#include <c8051f020.h>
#define uchar unsigned char
#define uint unsigned int

uchar Key_Word(void);
uchar Read(void);
uchar Decode(uchar x);
void  key_delay(uchar t1,t2);

//键值------------------------
code uchar key_s[4][4]=
{{0x11,0x12,0x14,0x18},
 {0x21,0x22,0x24,0x28},
 {0x41,0x42,0x44,0x48},
 {0x81,0x82,0x84,0x88},
 };
/*
//目标数------------------------  // 可以根改目标数,实现不同得译码
code uchar key_t[4][4]=
{{'0','4','8','C'},
 {'1','5','9','D'},
 {'2','6','A','E'}, 
 {'3','7','B','F'},
};	 */

//目标数------------------------  // 可以根改目标数,实现不同得译码
code uchar key_t[4][4]=
{{'0','4','8','C'},
 {'1','5','9','D'},
 {'2','6','A','E'}, 
 {'3','7','B','F'},
};
#endif