单片机数字电压表设计 - 图文(3)

2019-05-17 12:57

（2）电压测试界面，主显示界面采用的是软件控制，主要代码

uchar code dis1[]={\量A 10MV C 100MV%uchar code dis2[]={\程B 1V D 10V%uchar code dis3[]={\所选量程：%uchar code dis4[]={\测值：%uchar code dis5[]={\当前室温：%uchar code dis6[]={%uchar code dis7[]={\

uchar code dis8[]={\量程错误！！void disphoto(uchar *photo) //{

unsigned char i,j;

writecmd(0x34); // for(i=0;i<32;i++) {

writecmd(0x80+i); //

writecmd(0x80); //

for(j=0;j<16;j++) // {

writedat(*photo++); delay2(1); } }

for(i=0;i<32;i++) {

writecmd(0x80+i); writecmd(0x88);

for(j=0;j<16;j++) {

writedat(*photo++); delay2(1); }

图片显示关闭绘图垂直坐标水平坐标一行可显示16个字符11

}

writecmd(0x36); } }

显示如图

量 A 10mV B 1V 程 C 100mV D 5V 所选量程：测值为：

（3）温度显示界面

通过判断当前温度，显示提示语言:1室温偏高注意防暑2室温适宜注意休息3根据温差谨防感冒

四．系统软件设计 4.1主程序设计

室内温度 T：xxxx *主菜单* 12

主程序主显示界面测压界面温度 If u>10mv If u>100mv If u>1v If u>5v T<20℃ 20℃T>31℃ 提示量程选择错误提示语言提示语言提示语言

4.2程序清单

主程序代码：

#include #include #include #include

#define uchar unsigned char #define uint unsigned int sbit rs=P3^0; sbit rw=P3^1; sbit en=P3^4; sbit psb=P3^5;

sbit int1=P3^3;//定义管脚功能 sbit cs=P3^2;//定义ADcs端

sbit a1=P2^6;//定义CD4052的A端口 sbit b1=P2^7 ;//定义CD4052的B端口 sbit wr=P3^6; sbit rd=P3^7;

unsigned int dianya,count,aaa,aaa_h; unsigned int dianyah,dianyal; //用于存储读出数据的高字节和低字节 unsigned char addata,i; unsigned int dianya=0;

const uchar table[]={0x30,0x31,0x32,0x33, 0x34,0x35,0x36,0x37, 0x38,0x39,0x41,0x42, 0x43,0x44,0x45,0x46};

uchar code dis1[]={\量A 10mV B 1V %uchar code dis2[]={\程C 100mV D 5V%uchar code dis3[]={\所选量程：%uchar code dis4[]={\测值：\

uchar code dis5[]={\当前室温：%uchar code dis6[]={%uchar code dis7[]={\

uchar code dis8[]={\量程错误！！%uchar code dis9[]={\室温偏高注意防暑%uchar code dis10[]={\室温适宜注意休息%uchar code dis11[]={\根据温差谨防感冒%uchar code dis12[]={\请选择量程%unsigned char code photo1[]= {

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单片机 数字电压表设计 - 图文(3)

单片机数字电压表设计 - 图文(3)