[问答]

proteus，at89c52,pcf8591,dsa8b20,1602 测量温度，ph，浊度，仿真失败，求助

3362 测量

问答对人有帮助，内容完整，我也想知道答案 0 程序：求帮助，完成不了毕不了业,求帮忙 #include #include #define uchar unsigned char #define uint unsigned int #define Addr 0x90 //??pcf8591??? #define Addw 0x91 //??pcf8591??? uchar ch0,ch1; //??pcf8591??0?????1?? uchar turblow=0; //浊度下限，低于此值led3亮起，蜂鸣器报警 uchar turbhigh=5; uchar phlow=0; uchar phhigh=14; *it led1=P2^5;//wendu it led2=P2^6;//ph it led3=P2^7;//浊度turb(b) it beep=P1^4;//????? it key1=P1^2; it key2=P1^3; it key3=P3^2; it RS=P2^2; it RW=P2^3; it EN=P2^4; //??1602 it sda=P2^0; //???,??ph??????? it scl=P2^1; //??? *it DS=P1^0; //??????? uchar code table[]="temp is"; //code?????????ROM(?????)?? uchar code table1[]="turb is"; uchar code table2[]="ph is"; uchar code table3[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f, //?????0-9?? 0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef}; //??????0-9?? uchar code table4[]="error"; uint temp; //????? float ftemp; //?????? uchar tflag; //?????? uchar data tempdata[5]; //????????,??,??,??,??? uint templow=20; //?????,???????????? uint temphigh=50; //?????,???????????? void delayms(uint xms) //?????? { uint i,j; for(i=xms;i>0;i++) for(j=110;j>0;j--); } void delay() //???????? { _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); } void write_com(uchar com) //1602??? { RS=0; P0=com; delayms(5); EN=1; delayms(5); EN=0; } void write_data(uchar dat) //1602??? { RS=1; P0=dat; delayms(5); EN=1; delayms(5); EN=0; } void init1602() //1602??? { EN=0; write_com(0x38); //??162??,57??,8????? write_com(0x0c); //?????,????? write_com(0x06); //???????????? write_com(0x01); //????,?????? } void display(uchar p) //1602???????? { while(p!='') //?????? { write_data(p); p++; //???1 delayms(5); } } init_playtemp() //1602???????? { init1602(); write_com(0x80); display(table); //???????????????table:temp is } init_playturb() //1602???????? { init1602(); write_com(0x80); display(table1); //???????????????table1:turb is } init_playph() //1602?ph????? { init1602(); write_com(0x80); display(table2); //???????????????table2:ph is } void ds18b20rst() //ds18b20?? { uchar x=0; DS=1; //DS?? delayms(5); DS=0; //DS?? delayms(200); DS=1; delayms(40); } bit ds18b20readbit() //ds18b20????? { uint i; bit datt; DS=0;i++; //i++????? DS=1;i++;i++; datt=DS; i=8; while(i>0) i--; return(datt); } uchar ds18b20read() //ds18b20??????8??? { uchar n,j; uchar dat=0; for(n=8;n>0;n--) { j=ds18b20readbit(); dat=(j<<7)\|(dat>>1); } return(dat); } void ds18b20write(uchar dat) //?ds18b20??????? { uint a; uchar b; bit testb; for(b=1;b<=8;b--) { testb=dat&0x01; dat=dat>>1; if(testb) { DS=0; a++;a++; DS=1; a=8;while(a>0)a--; } else { DS=0; a=8;while(a>0)a--; DS=1; a++;a++; } } } uint ds18b20change() //ds18b20??????? { uchar c,d; ds18b20rst(); delayms(1); ds18b20write(0xcc); //???ROM?? ds18b20write(0x44); //??????,??????9???RAM? ds18b20rst(); ds18b20write(0xcc); ds18b20write(0xbe); //????????,?ds18b20???????RAM?9??????? c=ds18b20read(); d=ds18b20read(); temp=d; temp<<=8; temp=temp\|c; if(temp<0x0fff) { tflag=0; //?5??0,????????,????0 ftemp=temp0.0625; //????????12?,????0.0625 temp=ftemp10+0.5; // 10??????????,+0.5????? ftemp=ftemp+0.05; } else { temp=~temp+1; tflag=1; //??????? } return(temp); } void ds18b20display() //????? { uchar tflagdata; tempdata[0]=temp/1000+0x30; //??? tempdata[1]=temp%1000/100+0x30;//??? tempdata[2]=temp%100/10+0x30;//??? tempdata[3]=temp%10+0x30;//??? if(tflag==0) tflagdata=0x20; //???????? else tflagdata=0x2d;//??????? write_com(0x88); //?????????8???? write_data(tflagdata); // ??? ??); write_com(0x89); write_data(tempdata[0]); //???? write_com(0x8a); write_data(tempdata[1]); write_com(0x8b); write_data(tempdata[2]); write_com(0x8c); write_data(tempdata[3]); } void deal(uint i) //?????? { uint y; y=i; if(y { while(1) { beep=1; led1=1; delayms(5); beep=~beep; led1=0; delayms(5); } } if(y>temphigh) { while(1) { beep=1; led1=1; delayms(5); beep=~beep; led1=0; delayms(5); } } } void init() //i2c????? { scl=1; delay(); sda=1; delay(); } void start() //???? { sda=1; delay(); scl=1; //scl??? delay(); sda=0; //scl????sda?????,?? delay(); scl=0; } void ask() //???? { uchar r=0; scl=1; delay(); while((sda==1)&&(r<255)) //??????????????????????????????????????????? r++; scl=0; delay(); } void noask() //????? { sda=1; //???????,????,????? delay(); scl=1; delay(); scl=0; delay(); } void stop() //???? { sda=0; delay(); scl=1; delay(); sda=1; //scl????sda?????,?? delay(); scl=0; sda=0; } void sendbyte(uchar dat) //???????pcf8591 { uchar t,shuju; shuju=dat; for(t=0;t<8;t++) { shuju=shuju<<1; scl=0; delay(); sda=CY; delay(); sda=1; delay(); } scl=0; delay(); sda=1; //???? delay(); } uchar readbyte() //????? { uchar w,k; scl=0; delay(); sda=1; //???? for(w=0;w<8;w++) { scl=1; delay(); k=(k<<1)\|sda; //??8?,??7? scl=0; delay(); } delay(); return k; } uchar read_adc(uchar channel) //?ad?? { uchar bl; //bianliang???????? start(); //???? sendbyte(Addw); //???????,???????,????????? ask(); //?? sendbyte(0x40\|channel); //???????????,channel?0?1,?0x40???????? ask(); //?? start(); //??????da??,????????? sendbyte(Addr); //??????? ask(); bl=readbyte(); noask(); stop(); return bl; } void phdisplay() //ph??? { uchar b0,b1,b2; if(ch0>=2.5) { b0=(ch0-25/10)/(-5419)100000/10+0x30; //?? b0=(ch0-25/10)/(-5419)100000%10+0x30; //?????? b0=(ch0-25/10)/(-5419)100000+7%100+0x30; //????2? write_com(0x86); write_data(b0+7); //???? write_com(0x87); write_data(b1); write_com(0x88); write_com(b2); } else write_com(0x86); display(table4); } void bdisplay() //????? { uchar a0,a1,a2; if(ch1<4.5) { a0=(35/10-7/10ch1)/10+0x30; a0=(35/10-7/10ch1)%10+0x30; a0=(35/10-7/10*ch1)%100+0x30; write_com(0x88); write_data(a0); //???? write_com(0x89); write_data(a1); write_com(0x8a); write_com(a2); } else write_com(0x88); display(table4); } void phdeal() //ph???? { uchar e; e=ch0; if(e { while(1) { beep=1; led2=1; delayms(5); beep=~beep; led2=0; delayms(5); } } if(e>phhigh) { while(1) { beep=1; led2=1; delayms(5); beep=~beep; led2=0; delayms(5); } } } void bdeal() //?????? { if(ch1 { while(1) { beep=1; led3=1; delayms(5); beep=~beep; led3=0; delayms(5); } } if(ch1>turbhigh) { while(1) { beep=1; led3=1; delayms(5); beep=~beep; led3=0; delayms(5); } } } void main() { if(key1==0) //?? { delayms(10); if(key1==0) { init_playtemp(); //1602??????? while(1) { ds18b20change(); //??????? ds18b20display(); //????? deal(temp); //?????? } } } if(key2==0) //ph { delayms(10); if(key2==0) { init_playph(); init(); while(1) { ch0=read_adc(0); phdisplay(); phdeal(); } } } if(key3==0) //?? { delayms(10); if(key3==0) { init_playturb(); init(); while(1) { ch1=read_adc(0x01); bdisplay(); bdeal(); } } } } 0 毕设仿真3.DSN 125.79 KB , 下载次数: 31
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