【文件属性】:
文件名称:18b20测温c程序
文件大小:2KB
文件格式:RAR
更新时间:2013-06-12 06:16:45
18b20
/DS18B20温度传感器程序
#include
#define Alarm 10
sbit Beep=P3^4;
sbit DQ=P2^4; //数据传输线接单片机的相应的引脚
unsigned char tempL=0,tempH=0; //设全局变量
unsigned char flag=0;
unsigned int temperature,negtemper; //温度值保存在temperature里
unsigned char idata addrdat[2]={0x0,0x0};
unsigned char tab[]={0xc0,0xf9,0xa4,0xb0, /* 0 1 2 3 4 */
0x99,0x92,0x82,0xf8,0x80,0x90}; /* 5 6 7 8 9 */
unsigned char tab1[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
unsigned char dispbuf[3]={0,0,0};
unsigned char warning=30;
bit on=1,off=0;
【文件预览】:
DS18B20xiugai.c