1602液晶显示实验报告

/**************************************************
实验名称：1602LCD实验一
实验目的：打开LCD，在第一个空格显示闪烁的光标
实验备注：
**************************************************/
#include<reg52.h>

#define uchar unsigned char
#define uint unsigned int

sbit DUAN = P2^6;
sbit WEI = P2^7;
sbit LCDEN = P3^4;
sbit LCDRS = P3^5;
sbit LCDWR = P3^6;

void delay1ms(uchar);
void lcd_init();
void lcd_com(uchar);
//void lcd_dat(uchar);

void main()
{
lcd_init();
lcd_com(0x80);
while(1);
}

void delay1ms(uchar x)
{
uchar i, j;
for(i = 0; i < x; i++)
for(j = 0; j < 110; j++);
}

void lcd_init()
{
DUAN = 0;
WEI = 0;
LCDWR = 0;
LCDEN = 0;
lcd_com(0x38);
lcd_com(0x0f);
lcd_com(0x06);
lcd_com(0x01);
}

void lcd_com(uchar x)
{
LCDRS = 0;
P0 = x;
delay1ms(5);
LCDEN = 1;
delay1ms(5);
LCDEN = 0;
}

/*void lcd_dat(uchar x)
{
LCDRS = 1;
P0 = x;
delay1ms(5);
LCDEN = 1;
delay1ms(5);
LCDEN = 0;
}*/

/**************************************************
实验名称：1602LCD实验二
实验目的：在1602LCD上第一行显示"I LOVE MCU！"，在第
二行显示"F*CK YOU！"然后实现把字符整屏左
移进显示屏内。
实验备注：
**************************************************/
#include<reg52.h>

#define uchar unsigned char
#define uint unsigned int

uchar code table_1[] =
"I LOVE MCU!";
uchar code table_2[] =
"F*CK YOU!";

sbit DUAN = P2^6;
sbit WEI = P2^7;
sbit LCDEN = P3^4;
sbit LCDRS = P3^5;
sbit LCDRW = P3^6;

void delay1ms(uchar);
void lcd_init();
void lcd_com(uchar);
void lcd_dat(uchar);

void main()
{
uchar i;
lcd_init();
lcd_com(0x80 + 16);
for(i = 0; table_1[i] != '\0'; i++)
{
lcd_dat(table_1[i]);
}
lcd_com(0x80+0x40 + 16 + 5);//第二行+0x40
for(i = 0; table_2[i] != '\0'; i++)
{
lcd_dat(table_2[i]);
}
for(i = 0; i < 16; i++)
{
lcd_com(0x18);
delay1ms(200);
}
while(1);
}

void delay1ms(uchar x)
{
uchar i, j;
for(i = 0; i < x; i++)
for(j = 0; j < 110; j++);
}

void lcd_init()
{
DUAN = 0;
WEI = 0;
LCDRW = 0;
LCDEN = 0;
lcd_com(0x38);
lcd_com(0x0f);
lcd_com(0x06);
lcd_com(0x01);
}

void lcd_com(uchar x)
{
LCDRS = 0;
P0 = x;
delay1ms(5);
LCDEN = 1;
delay1ms(5);
LCDEN = 0;
}

void lcd_dat(uchar x)
{
LCDRS = 1;
P0 = x;
delay1ms(5);
LCDEN = 1;
delay1ms(5);
LCDEN = 0;
}