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C/C++ code:
//¶àµãζȶÁÈ¡£¬numΪҪ¶ÁÈ¡µÄÉ豸µÄÐòºÅ¡£
int Read_All_Temperature(unsigned char num)
{
int PH=0,PL=0;
int tt;
int i;
Init_DS18B20();//³õʼ»¯
DS18B20_wr_Byte(match_Rom);//Æ¥ÅäROM
for(i=((num-1)<<3);i<(num<<3);i++)//ÊäÈëÐèҪʹÓõÄDS18B20µÄ64λROM
{
DS18B20_wr_Byte(DS18B20_ROM[i]);
}
DS18B20_wr_Byte(Convert_T);//¿ªÊ¼Î¶Èת»»
for(i=0;i<800;i++);//ÑÓʱ
Init_DS18B20();//³õʼ»¯
DS18B20_wr_Byte(match_Rom);//Æ¥ÅäROM
for(i=((num-1)<<3);i<(num<<3);i++)//ÊäÈëÐèҪʹÓõÄDS18B20µÄ64λROM
{
DS18B20_wr_Byte(DS18B20_ROM[i]);
}
DS18B20_wr_Byte(read_Scratchpad);//¶ÁÔÝ´æÆ÷
PL = DS18B20_rd_Byte()*10;
PH = DS18B20_rd_Byte()*10;
tt = (PL>>4)+(PH<<4);//·µ»Øµ±Ç°Î¶ȵÄÖµ£¬Î¶ÈΪʵ¼ÊζȵÄ10±¶
return tt;
}
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