#define OTimerID0              0
#define OTimerID1              1
#define OTimerID2              2
#define OTimerID3              3
#define OTimerID4              4
#define OTimerID5              5
#define OTimerID6              6
#define OTimerID7              7

extern void Sys_TimerInit ()    ;

extern void Sys_TimerRequest (BYTE  OTimerID, WORD  Interval, BYTE Mode) ;    


extern void Sys_TimerRelease (BYTE  OTimerID)    ;

extern void delay (WORD  DelayTime)  ;

extern void Sys_TimerClear()    ;

extern BYTE Analyse_OTimerID();