《简单温度控制完整程序》由会员分享，可在线阅读，更多相关《简单温度控制完整程序（16页珍藏版）》请在装配图网上搜索。
1、简单温度控制完整程序#include#include#defineucharunsignedchar#defineuintunsignedintsbitrs=P3A4;sbitrw=P3A5;sbitep=P3A7;unsignedintsetl=30?set2=10;unsignedcharflag=O;sbitDQ=P1A7;定义通信端口sbitfengmingqi=P1A1;sbitjidianqi=PlA5;.codeiltiiarmayuan=,0,l,2,3,4y5,6r,r7,8r,r9,;codeucharaa=nwenduis:1*）；codeucharbb=f1shedin
2、g:WpedefbitBOOL;unsignedchark,dat_wr8,dat_rd8;voidputchar(ucharweizhi,ucharda);3voiddelay(uchar);voidlcd_wcmd(uchar);BOOLlcd_bz();voidlcd_pos(uchar);voidlcd_wdat(uchar);voiddisplay(uchar,uchar*);voidlcdinit();voidlongdelay(uchars);voidkeyscan(void);BOOLlcd_bz()/测试LCD忙碌状态BOOLresult;rs=0;rw=1;result=(
3、BOOL)(P2&0x80);:外孑：k.&Tep=0;returnresult;voidlcd_wcmd(ucharcmd)/写入指令数据到LCDwhile(lcdbz();rs=0;rw=0;ep=0;P2=cmd;ep=1；ep=0；voidlcd_pos(ucharpos)设定显示位置RC:4,Cg%J：/Olcdwcmd(posI0x811);)voidlcdwdat(uchardat)写入字符显示数据到LCDwhile(lcd_bz();Oft、ep=1；ep=0;voidledJnit()/LCD初始化设定lcd_wcmd(0x38);/functionsetdelay；lcd_
4、wcmd(0x38);/functionsetdelay;Icd_wcmd(0x08);/displayon/offdelay;lcd_wcmd(0x01);清除LCD的显示内容delay(1);lcd_wcmd(0x06);/entrymodesetdelay(1);lcd_wcmd(0x0c);/entrymodesetdelay(l);/*函数名称：display()功能:在LCD上显示数组的数据说明：先写显示地址，后写显示数据调用：lcd_wcmd(),lcd_pos()入口参数：pos写入的位置，q指向要写入的数据所在的数组返回值:无*/voiddisplay(ucharpos,uc
5、har*q)uchari;/lcd_wcmd(0x01);/clear/delay(lO);lcd_pos(pos);for(i=0;i9;i+)kd_wdat(*q);q+;0Zflongdelay(2);voidputchar(ucharweizhi,ucharda)(delay(2);lcd_pos(weizhi);lcd_wdat(da);延时函数void delay(uchar ms)/延时子程序uchari;while(ms-)for(i=0;i4&mU.E*JrjggwrjwJwrpCMr|wrj*J,jwrjwr1*Jwrj*sIjp3%jJjp,必Tjr1#，!JrSjpy|
6、J*JW1-JJJWFjJiJWJ1JWJJW|Jli2mTiftfif*Jwrpirj*rjw0;i-)DQ=1;delay2(5);DQ=0;/给脉冲信号dat=l;*DQ=1;/给脉冲信号if(DQ)datl=0x80;delay2(5);DQ=1；return(dat);工1A：.H：4工.A：-二u：工.”：A：.,y31%Lf%2/i7,kLf1%27,2*rjvprjvr1*J*pr不rjvrj*jvprjvqpprrjv*j%rjvprjv1&2(mbi4bjut:M*产kifa&ialdUfrtA*“产6&i*jwrjrjwwj*rjwrj*J*rjw*J*rjwfmivmj
7、wrjJwrjrj*rjw*J*rjwfmivK*Jwrjwrjwwjwrj*rjwpi./.A0,4.%TjRkI7hT|jp%14lp.7/%f/i7/t0;i)pau|DQ=1；delay2(5);DQ=0;DQ=dat&OxOl;delay2(5);DQ=1；dat=l;,七)delay(5);)mfi，JrpkMwrjwrjwjjwf读取温度unsignedintReadTemperature(void)unsignedinta=0;unsignedintb=0;unsignedintt=0;Init_DS18B20();WriteOneChar(OxCC);/跳过读序号列号的操Wr
8、iteOneChar(Ox44);/启动温度转换delay2(200);Init_DS18B20();WriteOneChar(OxCC);跳过读序号列号的操。V作WriteOneChar(OxBE);读取温度寄存器等(共可读9个寄存器)前两个就是温度a=ReadOneChar();读低八位数据b=ReadOneChar();位读最高四位，一共十二/b=4;/b+=(a&0xf0)4;/b与a组成最高的八位c,算时舍去了最低四位，只保留5到12位(c*2*2*2*2*0.0625=c*l=c),所以c的值就是实测温度t=b+a;return(t);)main()(uintbai9shi,ge;floatv;intj;unsignedinti;fengmingqi=l;jidianqi=l;delay(lO);lcd_init();/初始化LCDdisplay(0x009aa);display(0x40,bb);while(l)i=ReadTemperature();/读温度i=i4;bai=i/100;shi=i%100/10;ge=i%10;putchar(0x0b,mayuanbai);putchar(0x0c,mayuanshi);putchar(0x0d,mayuange);J、C/-J
简单温度控制完整程序
