def.h

在s3c2410上实现的蜂鸣器程序代码

#ifndef __DEF_H__
#define __DEF_H__

#define U32 unsigned int
#define U16 unsigned short
#define S32 int
#define S16 short int
#define U8  unsigned char
#define	S8  char

#define TRUE 	1   
#define FALSE 	0



#define  IO_INPUT    0
#define  IO_OUTPUT   1
#define  IO_FUNC     2
#define  IO_REV      3



#endif /*__DEF_H__*/