#if _HW_
#define PROTO
#else
#define PROTO extern
#endif
PROTO BOOL bEventEnabled;
PROTO UALCONTROL AlControl;
PROTO UALEVENT AlEvent;
#if _PIC18
PROTO UINT16 u16CycleTime;
PROTO UINT16 u16OutShiftTime;
PROTO UINT16 u16InShiftTime;
PROTO UINT16 u16OutDelayTime;
PROTO UINT16 u16StartTime;
#endif
代码中proto是什么意思,有什么用处呀
喵喵时光机
LEATH
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