std.h.bak

温度芯片DS1820读写程序实例（基于MSC-51）

//数据类型定义

#define TRUE  			0
#define FALSE 			1

#define U8  			unsigned char  	
#define S8			signed char
#define U16 			unsigned int   	
#define S16 			signed int
#define U32			unsigned long
#define S32			signed long