#include <reg51.h>#include<intrins.h>#define BUSY1 (DQ1==0) sbit DQ1 = P0^4; unsigned char idata TMP; unsigned char idata TMP_d; unsigned char f; void wr_ds18_1(char dat);unsigned char rd_ds18_1();/***************延时程序，单位us,大于10us*************/void time_delay(unsigned char time){ time=time-10; time=time/6; while(time!=0)time--;}/*****************************************************//* reset ds18b20 *//*****************************************************/void ds_reset_1(void){ unsigned char idata count=0; DQ1=0; time_delay(240); time_delay(240); DQ1=1; return;}
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