DS18B20温度计的Protues仿真

/**************************************************************** 移植到硬件环境注意修改ReadTemperature()函数相关部分，程序中有说明 *****************************************************************/ #include "STC89C51RC.H" #include "ds18b20.h" #include <absacc.h> #define seg1 XBYTE[0xffec] #define seg2 XBYTE[0xffed] #define seg3 XBYTE[0xffee] #define seg4 XBYTE[0xffef] unsigned char ledmap[]= //共阴LED数码管译码表 { 0x3f,0x06,0x5b,0x4f,0x66, //0,1,2,3,4, 0x6d,0x7d,0x07,0x7f,0x6f, //5,6,7,8,9, 0xbf,0x86,0xdb,0xcf,0xe6, //0.,1.,2.,3.,4., 0xed,0xfd,0x87,0xff,0xef, //5.,6.,7.,8.,9., }; void delay(unsigned int time) { while(--time); } main() { unsigned int temp; Init_DS18B20(); delay(5000); while(1) { temp = ReadTemperature();//*5; if(flag_Negative_number)seg1 = 0xbf; else seg1 = 0xff; seg2 = ~ledmap[temp/100%10]; seg3 = ~ledmap[temp/10%10+10]; seg4 = ~ledmap[temp%10]; delay(50000); } }