/***************************************************通用數據類型定義***************************************************/#ifndef _DATATYPE_H_#define _DATATYPE_H_#include <pic.h>	#ifndef uchar		typedef unsigned char byte;		#define	uchar	byte	#endif	#ifndef schar		typedef signed char sbyte;		#define	schar	sbyte	#endif    #ifndef word		typedef unsigned int uint;		#define	word	uint    #endif    #ifndef ulong		typedef unsigned long int 	ulong;    #endif#define TRUE    1#define FALSE   0#define ON      1#define OFF     0#define BIT_TEST( x, y) (( (x) & (1<<(y))) != 0)typedef union {              uchar byte;              struct {     //位0~位7                   unsigned b0:1, b1:1, b2:1, b3:1, b4:1, b5:1, b6:1, b7:1;              }bits;}ByteTyp;//單字typedef union {	uint w;	struct{ uchar bl; //低字節			uchar bh; //高字節		  }lhbyte;}WORD;//雙字typedef union {	ulong dw;	struct{ uint dwl; //低字			uint dwh; //高字		  }lhword;}DWORD;//四字typedef union {	    struct{ DWORD fbl; //低2字			DWORD fbh; //高2字		  }lhdword;	}FWORD;#endif