应用介绍
使用单片机设计简易示波器, 这是完整的protues仿真,proteus仿真示波器,基于单片机开发示波器,单片机代码如下:
#include <reg51.h>
#include <intrins.h>
#include <ADC0808.c>
sbit DI=P2^2; // 数据\指令 选择
sbit RW=P2^1; // 读\写 选择
sbit E=P2^0; // 读\写使能
sbit CS1=P2^4; // 片选1
sbit CS2=P2^3; // 片选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[91];
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()
{
DI=0;
RW=1;
do
{
E=1;
E=0;
//仅当第7位为0时才可操作(判别busy信号)
}while(busy==1);
}
void writecommand(unsigned char command) //写命令
{
checkstate();
DI=0;
RW=0;
P1=command;
E=1;
E=0;
}
void writedate(unsigned char date) //写数据
{
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 shuju()
{
pianxuan(i);
writecommand(ye);
writecommand(lei);
writedate(shu);
}
void cleanscreen() //清屏
{
unsigned char page,i;
pianxuan(3);
for(page=0xb8;page<=0xbf;page++)
{
writecommand(page);
writecommand(0x40);
for(i=0;i<64;i++)
writedate(0x00);
}
pianxuan(1);
lei=0x40;
for(ye=0xb8;ye<0xbf;ye++)
{
shu=0xff;
shuju();
}
ye=0xb8;
for(lei=0x40;lei<=0x7f;lei++)
{
shu=0x80;
shuju();
}
ye=0xbf;
for(lei=0x40;lei<=0x7f;lei++)
{
shu=0x01;
shuju();
}
pianxuan(2);
ye=0xb8;
for(lei=0x40;lei<=0x5b;lei++)
{
shu=0x80;
shuju();
}
ye=0xbf;
for(lei=0x40;lei<=0x5b;lei++)
{
shu=0x01;
shuju();
}
lei=0x5b;
for(ye=0xb9;ye<=0xbe;ye++)
{
shu=0xff;
shuju();
}
}
void init(void) //开显示,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 qing()
{
uchar i;
for(i=0xb9;i<=0xbe;i++)
{
ye=i;
shu=0x00;
shuju();
}
}
void main()
{
uint r,j,g=0,q,dianya=1,k,p;
uchar 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,d6;
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<90;j++) //AD采样最大值
{
adc();
a[j]=AD;
if(a[j]>a[91])
{
a[91]=a[j];
}
delay_50us(g);
}
while(AD!=a[91])
{
adc();
}
for(j=0;j<90;j++) //AD采样
{
adc();
a[j]=AD;
delay_50us(g);
}
lei=0x41;
for(r=0,j=0;r<90;r++,j++)
{
if(j<63) i=1;
if(j==63) lei=0x40;
if(j>=63)i=2;
qing();
if(a[j>=127])//正电压
{
AD=(a[j]-127)*0.196/dianya; //计算在12864的电压值
if(AD<=7) ye=0xbb,shu=(0x80>>AD);
else if(AD<=15) ye=0xba,shu=(0x80>>(AD-8));
else if(AD<=23) ye=0xb9,shu=(0x80>>(AD-16));
else if(AD<=31) ye=0xb9,shu=(0x80>>(AD-24));
}
if(a[j]<127)//负电压
{
AD=(127-a[j])*0.196/dianya;
if(AD<=7) ye=0xbc,shu=(0x01<<(AD));
else if(AD<=15) ye=0xbd,shu=(0x01<<(AD-8));
else if(AD<=23) ye=0xbe,shu=(0x01<<(AD-16));
else if(AD<=31) ye=0xbe,shu=(0x01<<(AD-24));
}
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++;
}
}
}
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文件列表(部分)
名称 | 大小 | 修改日期 |
---|---|---|
11.bmp | 59.37 KB | 2019-09-03 |
ADC0808.c | 0.15 KB | 2019-09-03 |
gg | 5.77 KB | 2019-09-03 |
gg.c | 1.81 KB | 2019-09-03 |
gg.DO | 0.10 KB | 2019-09-03 |
gg.DSN | 19.49 KB | 2019-09-03 |
gg.EDF | 1.94 KB | 2019-09-03 |
gg.hex | 2.50 KB | 2019-09-03 |
gg.lnp | 0.03 KB | 2019-09-03 |
gg.LST | 3.17 KB | 2019-09-03 |
gg.M51 | 2.81 KB | 2019-09-03 |
gg.OBJ | 5.85 KB | 2019-09-03 |
gg.opt.bak | 0.58 KB | 2019-09-03 |
gg.plg | 0.38 KB | 2019-09-03 |
gg.PWI | 0.63 KB | 2019-09-03 |
gg.Uv2.bak | 0.86 KB | 2019-09-03 |
gg.uvgui.Administrator | 4.73 KB | 2019-09-03 |
gg.uvopt | 2.03 KB | 2019-09-03 |
gg.uvproj | 2.84 KB | 2019-09-03 |
gg_Opt.Bak | 0.54 KB | 2019-09-03 |
gg_Uv2.Bak | 0.86 KB | 2019-09-03 |
gg_uvopt.bak | 3.25 KB | 2019-09-03 |
Last Loaded gg.DBK | 19.25 KB | 2019-09-03 |
Last Loaded 示波器.DBK | 16.79 KB | 2019-09-03 |
STARTUP.A51 | 1.73 KB | 2019-09-03 |
STARTUP.LST | 2.76 KB | 2019-09-03 |
STARTUP.OBJ | 0.43 KB | 2019-09-03 |
示波器.DSN | 16.79 KB | 2019-09-03 |
示波器.pdsprj.J8X8KE978YQ8Z68.Administrator.workspace | 0.63 KB | 2019-09-03 |
项目20-简易示波器修改版 | 0.00 KB | 2019-09-03 |
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