#ifndef _KEY_H_
#define _KEY_H_
#include "pt.h"
#include "al_helper.h"
void InitKey(void); 

#if TASK_WITH_PT 
PT_THREAD(TaskScanKey(struct pt *pt1 ))  ;
#else 
PT_THREAD(TaskScanKey(void))  ;
#endif    
extern  XDATA unsigned char gcKey;	   
unsigned char GetKey(void)	;
#endif