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資料，與大家一起分享。
仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）
單片機(jī)源程序如下:
- #include <reg52.h>
- #include<intrins.h> //調(diào)用_nop_()；延時(shí)函數(shù)用 4ns
- #define uint unsigned int
- #define uchar unsigned char
- #define def P3 //0809數(shù)據(jù)端口
- #define suji P0//數(shù)碼管數(shù)據(jù)端口
- #define l 17 //宏定義
- #define h 18
- sbit k1=P1^0; //四個(gè)按鍵定義中的，模式切換
- sbit k2=P1^1; //數(shù)字加
- sbit k3=P1^2; //數(shù)字減
- sbit k4=P1^3; //保留
- sbit s1=P2^3; //數(shù)碼管第一位控制端口
- sbit s2=P2^2;
- sbit s3=P2^1;
- sbit s4=P2^0;
- sbit z1=P2^4; //蜂鳴器報(bào)警端口
- sbit d1=P1^5; //電機(jī)驅(qū)動(dòng)端口
- sbit st=P1^4; //abc轉(zhuǎn)換芯片控制端口
- sbit eoc=P2^7;
- sbit oe=P2^6;
- sbit CLOCK=P2^5;
- uint as=115,as1=70; //高水位變亮/低水位變亮
- uchar q[4]; //定義顯示函數(shù)
- unsigned char q1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x38,0x76};
- void delay(uint z)//延時(shí)函數(shù)
- {while(z--);}
- unsigned char adc0809()
- { unsigned char date;
- st=0;//ADC0809初始化
- st=1;
- _nop_();_nop_();
- st=0;
- _nop_();_nop_(); _nop_();
- while(eoc==0);//等待轉(zhuǎn)換完成
- oe=1;
- date=def;//p2選擇為ADC的數(shù)據(jù)口
- oe=0;
- return date;
- }
- void a1() //數(shù)碼管動(dòng)態(tài)掃描
- {
- s1=0;s2=s3=s4=1;
- suji=q1[q[0]];
- delay(20);
- suji=0x00;s1=s2=s3=s4=1;
- s2=0;s1=s3=s4=1;
- suji=q1[q[1]];
- delay(20);
- suji=0x00;s1=s2=s3=s4=1;
- s3=0;s2=s1=s4=1;
- suji=q1[q[2]];
- delay(20);
- suji=0x00;s1=s2=s3=s4=1;
- s4=0;s2=s3=s1=1;
- suji=q1[q[3]];
- delay(20);
- suji=0x00;s1=s2=s3=s4=1;
- }
- void a2() //按鍵子程序
- { uint i1;
- if(k1==0)
- {delay(20);
- i1++;while(k1==0);
- while(1)
- {
- if(i1==1)
- {q[0]=h;
- if(k2==0){delay(20);as=as+5;if(as>=150)as=120;while(!k2);}
- if(k3==0){delay(20);as=as-5;if(as<=15)as=5;while(!k3);}
- q[1]=as/100;
- q[2]=as%100/10;
- q[3]=as%10;a1();
- }
- if(i1==2)
- {q[0]=l;
- if(k2==0){delay(20);as1=as1+5;if(as1>=140)as1=120;while(!k2);}
- if(k3==0){delay(20);as1=as1-5;if(as1<=15)as1=5;while(!k3);}
- q[1]=as1/100;
- q[2]=as1%100/10;
- q[3]=as1%10;a1();
- }
- a1();
- if(k1==0){delay(20);if(i1==2)i1=0;while(!k1);break;}
- }
- }
- }
- void main()
- { uchar x;
- uint i1;
- TMOD=0x02;//選擇定時(shí)器工作方式2
- TH0=254;
- TL0=254;//定時(shí)2us，為ADC0809提供500Khz的工作頻率
- TR0=1;
- ET0=1;
- EA=1;
- oe=0;
- // d1=0;
- k1=k2=k3=k4=1;
- while(1)
- {
- a1();
- x=adc0809();
- x=210-x;
- q[0]=16; //210/100=2 10/10=1;
- q[1]=x/100;
- q[2]=x%100/10;
- q[3]=x%10;
- if(as<x){d1=z1=1;i1=0;}
- else if(i1==0){if(as1>x){i1=1;d1=z1=0;}}
- a2();
- }
- }
- void int1(void )interrupt 1//定時(shí)器中斷
- {
- CLOCK=~CLOCK;
- }
所有資料51hei提供下載:
51單片機(jī)液位檢測(cè)控制系統(tǒng).zip
(27.12 KB, 下載次數(shù): 84)
2019-7-18 18:46 上傳
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