DS18B20与数码管温度显示C程序(共3页).doc

#include#define uchar unsigned char#define uint unsigned intsbit DQ=P14;/ds18b20与单片机连接口unsigned char code str=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x39;/共阴数码管字码表unsigned char code str1=0x0bf,0x86,0x0db,0x0cf,0x0e6,0x0ed,0x0fd,0x87,0x0ff,0x0ef,0x39;/个位带小数点字码表unsigned char code wei=0x0fe,0x0fd,0x0fb,0x0f7;uchar data disdata5;uint tvalue;/温度值uchar tflag;/温度正负标志/*ds1820程序*