[置顶] 嵌入式开发自定义类型宏

typedef signed char  INT8;
typedef signed short  INT16;
typedef signed int  INT32;
typedef unsigned char  UINT8;
typedef unsigned short  UINT16;
typedef unsigned int  UINT32;
typedef int BOOL;
#ifndef VOID
typedef void VOID;
#endif
typedef unsigned int size_t;
typedef char CHAR;

typedef float FLOAT32;
typedef double  FLOAT64;

typedef char MD_CHAR;
typedef signed char  MD_SCHAR;
typedef unsigned char  MD_UCHAR;
typedef short MD_SHORT;
typedef unsigned short MD_USHORT;
typedef int MD_INT;
typedef unsigned int  MD_UINT;
typedef long MD_LONG;
typedef unsigned long  MD_ULONG;
typedef float MD_FLOAT;

#define OK 0

#define NG -1

#define GLOBAL           //全局变量标示