5018-电压检测点阵显示-单片机仿真设计

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功能描述

1、51+Proteus8.10；

2、学习ADC0832模数转换、74HC154管脚扩展、拼接点阵屏连接及驱动；

仿真设计

程序设计

#include <intrins.h>
#include <reg52.h>
#include <stdio.h>

#define ulong unsigned long
#define uint unsigned int
#define uchar unsigned char
uchar k,i,j;
float l;
sbit sw=P3^0;      //159选通开关
sbit ADCS =P3^1;  //ADC0832 chip seclect
sbit ADDI =P3^3;  //ADC0832 k in
sbit ADDO =P3^3;  //ADC0832 k out
sbit ADCLK =P3^2;  //ADC0832 clock signal

uchar dsw[20];  //存放sprintf转换字符
uchar idata value[149]; //点阵字符储存
uchar code table[]={    //字符查表
0x00,0x00,0x00,0x30,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*".",0*/

0x00,0x00