久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標題: 用51單片機和12864設計的簡易示波器 [打印本頁]

作者: 51黑ren 時間: 2015-12-25 03:38
標題: 用51單片機和12864設計的簡易示波器

源程序

#include <reg51.h>

#include <intrins.h>

#include <ADC0808.c>

sbit DI=P2^2; // 數據\指令選擇

sbit RW=P2^1; // 讀\寫選擇

sbit E=P2^0; // 讀\寫使能

sbit CS1=P2^4; // 片選1

sbit CS2=P2^3; // 片選2

sbit busy=P1^7;

sbit jia=P3^7;

sbit jian=P3^3;

sbit jia1=P3^0;

sbit jian1=P3^1;

unsigned int i;

unsigned char ye,lei,shu;

unsigned char a[94];

char code t[]={

0x00,0x00,0x08,0x00,0x04,0x00,0x02,0x00,0x01,0x80,0x40,0x60,0x80,0x00,0x7F,0xFF,//小

0x00,0x00,0x00,0x20,0x00,0x40,0x00,0x80,0x01,0x00,0x06,0x00,0x00,0x00,0x00,0x00,

0x00,0x80,0x00,0x80,0x00,0x82,0x00,0x82,0x00,0x82,0x40,0x82,0x80,0x82,0x7F,0xE2,//子

0x00,0xA2,0x00,0x92,0x00,0x8A,0x00,0x86,0x00,0x80,0x00,0xC0,0x00,0x80,0x00,0x00,

0x00,0x40,0x00,0x60,0x3F,0x5E,0x01,0x48,0x01,0x48,0xFF,0xFF,0x11,0x48,0x21,0x4C,//制

0x1F,0x68,0x00,0x40,0x07,0xF8,0x40,0x00,0x80,0x00,0x7F,0xFF,0x00,0x00,0x00,0x00,

0x00,0x80,0x00,0x40,0x00,0x20,0xFF,0xF8,0x00,0x87,0x00,0x40,0x00,0x30,0x00,0x0F,//作

0xFF,0xF8,0x08,0x88,0x08,0x88,0x08,0xC8,0x0C,0x88,0x08,0x0C,0x00,0x08,0x00,0x00,

};

void checkstate()

{

//bit dat;

DI=0;

RW=1;

//P1=0x00;

{

E=1;

E=0;

//僅當第7位為0時才可操作(判別busy信號)

}while(busy==1);

}

void writecommand(unsigned char command) //寫命令

{

checkstate();

DI=0;

RW=0;

P1=command;

E=1;

E=0;

}

void writedate(unsigned char date) //寫數據

{

checkstate();

DI=1;

RW=0;

P1=date;

E=1;

E=0;

}

void pianxuan(unsigned int i)

{

if(i==1)

CS1=0,CS2=1;

if(i==2)

CS1=1,CS2=0;

if(i==3)

CS1=0,CS2=0;

}

void cleanscreen() //清屏

{

unsigned char page,i;

for(page=0xb8;page<0xc0;page++)

{

writecommand(page);

writecommand(0x40);

for(i=0;i<64;i++)

writedate(0x00);

}

void init(void) //開顯示，起始行0行

{

writecommand(0xc0);

writecommand(0x3f);

}

void delay_50us(uint t)

{

uchar j;

for(;t>0;t--)

for(j=19;j>0;j--)

;

}

void shuju()

{

pianxuan(i);

writecommand(ye);

writecommand(lei);

writedate(shu);

}

void qing()

{

uchar i;

for(i=0xb8;i<=0xbf;i++)

{

ye=i;

shu=0x00;

shuju();

}

void main()

{

uint r,j,g=0,q,dianya=1,k,p;

uchar U,m,l;

pianxuan(3);

cleanscreen();

init();

pianxuan(2);

l=0xb8;

for(k=0;k<4;k++,l=l+0x02)

{

ye=l;

lei=0x70;

for(r=0;r<16;r++)

{

shu=t[2*r+1+32*k];

shuju();

lei++;

}

ye=l+0x01;

lei=0x70;

for(r=0;r<16;r++)

{

shu=t[2*r+32*k];

shuju();

lei++;

}

while(1)

{

uchar d1,d2,d3,d4,d5;

aaa:do

{

adc();

}while((AD!=128)&&(AD!=129)&&(AD!=130));

U=AD;

adc();

if(U>AD)

goto aaa;

while(jia==0)

{

while(jia==0);

g=g+1;

}

while(jian==0)

{

while(jian==0);

if(g!=0) g=g-1;

}

while(jia1==0)

{

while(jia1==0);

dianya=dianya+1;

}

while(jian1==0)

{

while(jian1==0);

if(dianya!=1) dianya=dianya-1;

}

for(j=0;j<94;j++) //AD采樣

{

adc();

a[j]=AD;

delay_50us(g);

}

lei=0x40;

for(r=0,j=0;r<94;r++,j++)

{

if(j<64) i=1;

if(j==64) lei=0x40;

if(j>=64)i=2;

qing(); //清掉之前的內容

AD=a[j]*0.196/dianya; //計算在12864的電壓值

if(AD<=7) ye=0xbf,shu=(0x80>>AD);

else if(AD<=15)ye=0xbe,shu=0x80>>(AD-8);

else if(AD<=23) ye=0xbd,shu=0x80>>(AD-16);

else if(AD<=31) ye=0xbc,shu=0x80>>(AD-24);

else if(AD<=39) ye=0xbb,shu=0x80>>(AD-32);

else if(AD<=47) ye=0xba,shu=0x80>>(AD-40);

else if(AD<=55) ye=0xb9,shu=0x80>>(AD-48);

else if(AD<=63)ye=0xb8,shu=0x80>>(AD-56);

if(r==0)

{

d1=shu;

d2=ye;

}

if(r!=0)

{

d3=shu;

d4=ye;

if(ye==d2)

{

if(shu>d1)

{

d5=shu;

d5=d5>>1;

while(d5!=d1)

{d5=d5>>1;

shu=shu|(shu>>1);}

}

if(shu<d1)

{

d5=shu;

d5=d5<<1;

while(d5!=d1)

{d5=d5<<1;shu=shu|(shu<<1);}

}

if(ye<d2)

{

for(q=0;q<7;q++)

{

shu=shu|(shu<<1);

}

shuju();

ye++;

while(ye<d2) {shu=0xff,shuju(),ye++;}

if(ye==d2){

shu=0x01;

if(shu<d1)

{

d5=shu;

d5=d5<<1;

while(d5!=d1)

{d5=d5<<1;shu=shu|(shu<<1);}

}

if(ye>d2)

{

for(q=0;q<7;q++)

{

shu=shu|(shu>>1);

}

shuju();

ye--;

while(ye>d2) {shu=0xff,shuju(),ye--;}

if(ye==d2){

shu=0x80;

if(shu>d1)

{

d5=shu;

d5=d5>>1;

while(d5!=d1)

{d5=d5>>1;shu=shu|(shu>>1);}

}

if(r!=0)

{

d1=d3;

d2=d4;

}

shuju();

if(lei!=0x7f) lei++;

}

作者: htzsz 時間: 2016-11-14 15:47
樓主，能不能把仿真和源程序發出來學習學習呀！

作者: 舊時光wolf 時間: 2017-5-17 23:44
樓主，求仿真和全部代碼

作者: 13080788458 時間: 2017-6-1 21:11
樓主，可以把那個電路圖再發一遍嗎看不太清，謝謝了！

作者: liyong362 時間: 2018-5-15 19:02
樓主，可以上傳一下仿真和代碼嗎

歡迎光臨 (http://www.zg4o1577.cn/bbs/)