key_scan.h

硬件平台：C8051F314 包括键盘扫描程序

//------------------------------------------------------------------------------------
//
// FILE NAME      : key_scan.h
// TARGET DEVICE  : C8051F314
// CREATED ON     : 07/14/06
// CREATED BY     : Jzp
//
// Revision 1.0  
//
//------------------------------------------------------------------------------------
#ifndef _KEY_SCAN_H_
#define _KEY_SCAN_H_ 

#ifdef  KEY_SCAN_GLOBALS
#define	KEY_SCAN_EXT
#else
#define	KEY_SCAN_EXT extern
#endif

//KEY_SCAN_EXT UCHAR key_table[][2]={

KEY_SCAN_EXT UCHAR KeyBuffer[2];
KEY_SCAN_EXT UCHAR KbIsValid;

KEY_SCAN_EXT void init_keyscan(void);
KEY_SCAN_EXT void task_keyscan(void);	

#endif