data_type.h

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#ifndef _DATA_TYPE_H
#define _DATA_TYPE_H

#define CHAR     char

#define UINT8    unsigned char
#define INT8     char

#define UINT16   unsigned int
#define INT16    int

#define UINT32   unsigned long
#define INT32    long


#define uchar unsigned char
#define uint unsigned int

typedef struct wordstr
{
	unsigned bit0:1;
	unsigned bit1:1;
	unsigned bit2:1;
	unsigned bit3:1;
	unsigned bit4:1;
	unsigned bit5:1;
	unsigned bit6:1;
	unsigned bit7:1;
	unsigned bit8:1;
	unsigned bit9:1;
	unsigned bit10:1;
	unsigned bit11:1;
	unsigned bit12:1;
	unsigned bit13:1;
	unsigned bit14:1;
	unsigned bit15:1;	
}wordstr;

typedef struct   // 系统状态值
{
	UINT16 SysTimer;  //系统毫秒时钟
	UINT16 Delay_start;
}Sys_stru;


// #define BIG_MEM_MODE //低字节在前模式

#define MIN(A,B) (A)<=(B)?(A):(B)
#define MAX(A,B) (A)>=(B)?(A):(B)

#ifndef  BIG_MEM_MODE

#define MAKEWORD(a, b)      ((UINT16)(((UINT8)(a)) | ((UINT16)((UINT8)(b))) << 8))
#define MAKELONG(a, b)      ((INT32)(((UINT16)(a)) | ((UINT32)((UINT16)(b))) << 16))
#define LOWORD(l)           ((UINT16)(l))
#define HIWORD(l)           ((UINT16)(((UINT32)(l) >> 16) & 0xFFFF))
#define LOBYTE(w)           ((UINT8)(w))
#define HIBYTE(w)           ((UINT8)(((UINT16)(w) >> 8) & 0xFF))

#else

#define MAKEWORD(a, b)      ((UINT16)(((UINT8)(b)) | ((UINT16)((UINT8)(a))) << 8))
#define MAKELONG(a, b)      ((INT32)(((UINT16)(b)) | ((UINT32)((UINT16)(a))) << 16))
#define HIWORD(l)           ((UINT16)(l))
#define LOWORD(l)           ((UINT16)(((UINT32)(l) >> 16) & 0xFFFF))
#define HIBYTE(w)           ((UINT8)(w))
#define LOBYTE(w)			((UINT8)(((UINT16)(w) >> 8) & 0xFF))

#endif

#define checkbit(var,bit) (var&((UINT8)0x01<<(bit)))
#define setbit(var,bit)   (var|=((UINT8)0x01<<(bit)))
#define clrbit(var,bit)   (var&=(~((UINT8)0x01<<(bit))))

#endif