ds18b20为什么能读出正确的温度?#include#define uchar unsigned char#define uint unsigned intsbit ds=P3^7;uchar code duan[]={//共阴数码管0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};uint temp;float f_temp;void delay(uint x){

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