4x4key.h

与C51相关模块LCD,24CXX,等的源代码程序

//--------------------------------------------------------
//4X4 Keyboard DEVICE DRIVER
//--------------------------------------------------------
#ifndef KEY4X4_HEADER_FILE
#define KEY4X4_HEADER_FILE
//--------------------------------------------------------
#define NOKEY		0xFF
//--------------------------------------------------------
extern unsigned char GetKey(void);
//--------------------------------------------------------
#endif
//--------------------------------------------------------