DS18B20单总线多点式测温系统.docx

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1、DS18B20单总线多点式测温系统1(2011-01-1519:53:40)转载标签：ds18b20多点测量分类：DS18B20主文件：#include#includeunsigned intshu[]={0x30,0x31,0x32,0x33,0x34,0X35,0x36,0x37,0x38,0x39};unsignedlongt; voidflcd_1602()          //当为负温度时，液晶显示可以高位为0屏蔽. {   init(0x80);write_data(0x4e);//NO   init(0x81);write_

2、data(0x4f);  init(0x82);write_data(0x80);    init(0x85);write_data(0x74);//temperature  init(0x86);write_data(0x65);  init(0x87);write_data(0x6d);   init(0x88);write_data(0x70);   init(0x89);write_data(0x65);   init(0x8a);write_data(0x72);  init(0x8b);write_data(0x61);   init(0x8c);write_dat

3、a(0x74);   init(0x8d);write_data(0x75);   init(0x8e);write_data(0x72);  init(0x8f);write_data(0x65);    init(0xc0);write_data(0x80);  init(0xc1);write_data(0x80);  init(0xc2);write_data(0x69);//is:  init(0xc3);write_data(0x73);   init(0xc4);write_data(0x3a);   if((t/1000)!=0) {init(0xc5);wri

4、te_data(0x2d);     init(0xc6);write_data(shu[t/1000]); init(0xc7);write_data(shu[t/100]);  } else {init(0xc5);write_data(0xfe);     init(0xc6);write_data(0x2d); init(0xc7);write_data(shu[t/100]);  } init(0xc8);write_data(0x2e);   init(0xc9);write_data(shu[(t0)/10]); init(0xca);write_data(shu

5、[t]); init(0xcb);write_data(0x27); init(0xcc);write_data(0x43); init(0xcd);write_data(0x80); init(0xce);write_data(0x80); init(0xcf);write_data(0x80); } voidlcd_1602()             //当为正温度时，液晶显示可以高位为0屏蔽. { init(0x80);write_data(0x4e);//NO   init(0x81);write_data(0x4f);  init(0x82);write_data(

6、0x80);  init(0x84);write_data(0x80);  init(0x85);write_data(0x74);//temperature  init(0x86);write_data(0x65);   init(0x87);write_data(0x6d);   init(0x88);write_data(0x70);   init(0x89);write_data(0x65);  init(0x8a);write_data(0x72);   init(0x8b);write_data(0x61);   init(0x8c);write_data(0x74

7、);   init(0x8d);write_data(0x75);  init(0x8e);write_data(0x72);  init(0x8f);write_data(0x65);  init(0xc0);write_data(0x80);  init(0xc1);write_data(0x80);  init(0xc2);write_data(0x69);//is:  init(0xc3);write_data(0x73);   init(0xc4);write_data(0x3a)