/**************************************************
實驗名稱:1602LCD實驗一
實驗目的:打開LCD,在第一個空格顯示閃爍的光標
實驗備註:
**************************************************/
#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;
}*/
/**************************************************
實驗名稱:1602LCD實驗二
實驗目的:在1602LCD上第一行顯示"I LOVE MCU!",在第
二行顯示"F*CK YOU!"然後實現把字符整屏左
移進顯示屏內。
實驗備註:
**************************************************/
#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;
}