1、在h文件中做以下类似定义
#define UpVal sysflag.bit0
#define DownVal sysflag.bit1
#define KeySingle sysflag.bit2
#define KeyContinue sysflag.bit3
#define SetOneClick sysflag.bit4
#define UpOneClick sysflag.bit5
#define RstOneClick sysflag.bit6
#define WriteEeprom sysflag.bit7
#define Err_S1 sysflag.bit8
#define PiCycleTime sysflag.bit9
#define WorkLedFlash sysflag.bit10
#define OutDelayEnd sysflag.bit11
#define PassWordCheckFail sysflag.bit12
#define FullScreenEnd sysflag.bit13
typedef struct BYTE_BIT
{
uchar bit0:1;
uchar bit1:1;
uchar bit2:1;
uchar bit3:1;
uchar bit4:1;
uchar bit5:1;
uchar bit6:1;
uchar bit7:1;
uchar bit8:1;
uchar bit9:1;
uchar bit10:1;
uchar bit11:1;
uchar bit12:1;
uchar bit13:1;
uchar bit14:1;
uchar bit15:1;
}BYTEBIT;
2、在C文件中写以下代码：BYTEBIT sysflag;
3、然后你就可以在C文件中使用KeySingle 等位变量了。
4、以上为我建议的参考写法，请自己仔细阅读
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楼主
