datatype.h

来自「配合高频信号发生器和遥控器」· C头文件 代码 · 共 69 行

/***************************************************
通用数据类型定义
***************************************************/
#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;

//单字
typedef union 
{	uint w;
	struct{ uchar bl; //低字节
			uchar bh; //高字节
		  }lhbyte;
}WORD;

//双字
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