measure.h

这是一个远程温度计 MCU: AT89S52 温度传感器: DS18B20 晶振: 12MHz 使用串口连接,在PC端使用"超级终端"打开 设置如下: 波特率: 4800 数据

/******************************************************************************/
/*                                                                            */
/*     MEASURE.H:  struct type and extern definitions for MEASURE project     */
/*                                                                            */
/******************************************************************************/
#include "type.h"

struct clock {                           /* structure of the clock record     */
  unsigned char    hour;                 /* hour                              */
  unsigned char     min;                 /* minute                            */
  unsigned char     sec;                 /* second                            */
};

struct mrec  {                           /* structure for measurement records */
  struct clock   time;                 /* time of measurement               */
  uchar          temper[10];                 /* temperature                   */
};
                                            /* external functions:       */
extern void measure_display (struct mrec disp);          /* display mrec      */
extern void set_time (uchar *buffer);            /* set current time  */

extern char code ERROR [];               /* ERROR message string              */
extern struct mrec current;              /* current measurements              */