datatype.h

来自「单的SD卡读写程序--根据网上的程序跟改」· C头文件 代码 · 共 39 行

#ifndef	__DATA_TYPE_H
#define	__DATA_TYPE_H

#define	NULL	0
#define	STATUS_ERR	1
#define	STATUS_OK		0
typedef	void (* PrVoid)(void);
typedef	PrVoid (*PrPrVoid)(void);
/*	
typedef	unsigned char U8;
typedef unsigned short U16;
typedef unsigned int U32;
typedef	signed char S8;
typedef signed short S16;
typedef signed int S32;

typedef	unsigned char	BYTE;
typedef unsigned short	WORD;
typedef unsigned int	DWORD;
*/

typedef struct{
	U16 year;
	U8 month;
	U8 day;
	U8 weekday;
	U8 hour;
	U8 min;
	U8 sec;
}TIME_STRUC;

#define	outportb(addr, data)	*((volatile BYTE *)(addr)) = (BYTE)(data)
#define	inportb(addr)			*((volatile BYTE *)(addr))
#define	outport(addr, data)		*((volatile U16 *)(addr)) = (U16)(data)	
#define	inport(addr)			*((volatile U16 *)(addr))

#define Swap16(data)	(((data)>>8)&0xff)|(((data)<<8)&0xff00)

#endif