单片机==lcd_笑脸（24）_lcd 表情代码-优快云博客

本文链接：https://blog.youkuaiyun.com/weirdosick/article/details/52815373

本文详细介绍了如何使用单片机控制LCD显示屏显示出笑脸图案，涵盖了硬件连接、软件编程和笑脸图形的生成过程。

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#include <reg52.h>
#include "delay.h"

#define LCDPORT P0
sbit RS = P2^4;
sbit RW = P2^5;
sbit E = P2^6;

#define LCD_WRITE_DATA 1
#define LCD_WRITE_COM 0

void lcd_write(unsigned char byte, unsigned char flag)
{
    if(flag)
    {
        RS = 1;
    }
    else
    {
        RS = 0;
    }
    RW = 0;
    E = 1;
    LCDPORT = byte;
    delay_us(5);
    E = 0;
}

void lcd_init()
{
    delay_ms(16);
    lcd_write(0x38, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x38, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x38, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x38, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x08, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x01, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x06, LCD_WRITE_COM);
    delay_ms(5);
    lcd_write(0x0C, LCD_WRITE_COM);
    delay_ms(5);
}

//ÏÔÊ¾Ò»°ë¸ñ×Ó
/*void lcd_dis_self()
{
    lcd_write(0x40, LCD_WRITE_COM);

    lcd_write(0x1f, LCD_WRITE_DATA);
    lcd_write(0x1f, LCD_WRITE_DATA);
    lcd_write(0x1f, LCD_WRITE_DATA);
    lcd_write(0x1f, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);

    lcd_write(0x40 + 0x80, LCD_WRITE_COM);
    lcd_write(0x0, LCD_WRITE_DATA);
}*/

void lcd_smile()
{
    lcd_write(0x40, LCD_WRITE_COM);

    lcd_write(0x04, LCD_WRITE_DATA);
    lcd_write(0x0a, LCD_WRITE_DATA);
    lcd_write(0x11, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);

    lcd_write(6 + 0x80, LCD_WRITE_COM);
    lcd_write(0x0, LCD_WRITE_DATA);

    lcd_write(8 + 0x80, LCD_WRITE_COM);
    lcd_write(0x0, LCD_WRITE_DATA);

    lcd_write(0x48, LCD_WRITE_COM);

    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x0, LCD_WRITE_DATA);
    lcd_write(0x11, LCD_WRITE_DATA);
    lcd_write(0x0a, LCD_WRITE_DATA);
    lcd_write(0x04, LCD_WRITE_DATA);
    lcd_write(7 + 0x80 + 0x40, LCD_WRITE_COM);
    lcd_write(0x1, LCD_WRITE_DATA);
}

void main()
{
    lcd_init();
    lcd_smile();
    while(1)
    {

    }
}