types.h

来自「ARM 4510 bootloader,完整的工程实例」· C头文件 代码 · 共 26 行

#ifndef	_TYPES_H
#define	_TYPES_H

#define NULL 0
#define	TRUE	1
#define	FALSE	0
#define	BYTE	unsigned char
#define	WORD	unsigned short
#define	DWORD	unsigned int
#define	BOOL	unsigned short
#define	USHORT	unsigned short
#define	UINT16	USHORT
//#define	signed char S8
//#define	signed short S16
//#define	signed int S32
//#define	unsigned char U8
//#define	unsigned short U16
//#define	unsigned int U32
#define outportb(port, data) *(volatile unsigned char *)(port) = (data)
#define outportw(port, data) *(volatile unsigned short *)(port) = (data)
#define outport(port, data) *(volatile unsigned int *)(port) = (data)
#define inportb(port)	*(volatile unsigned char *)(port)
#define inportw(port)	*(volatile unsigned short *)(port)
#define inport(port)	*(volatile unsigned int *)(port)

#endif