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仿真元原理图如下:

/*-------------------------------------
功能:LCD1602局部动态显示
描述:在屏幕的第二行固定位置显示count:
后面接着动态显示按键次数(00 ~ 99)
Author: Zhang Kaizhou
Date: 2019-6-5 10:50:22
-------------------------------------*/
#include <reg52.h>
#include <string.h>
#define uchar unsigned char
#define uint unsigned int
	
uchar code table0[] = {"Press time"}; // 每行的字符数据
uchar code table1[] = {"Count:00"};
uchar code table2[] = {"0123456789"};
sbit lcdrs = P1^2; // LCD数据/命令选择端
sbit lcdrw = P1^3; // LCD读写选择端
sbit lcden = P1^4; // LCD使能端,高脉冲有效
sbit k1 = P1^5;
uchar num, ge = 0, shi = 0;

void init();
void displayInit();
void keyScan();
void writeCommand(uchar command);
void delay(uchar xms);
void writeData(uchar dat);

void main()
{
	init();
	displayInit();
	while(1)
	{	
		k

本文标签: 动态