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標題: LCD1602液晶顯示屏控制 [打印本頁]

作者: 1065957842 時間: 2019-8-8 10:18
標題: LCD1602液晶顯示屏控制
程序如下
#include<reg51.h>
typedef unsigned int u16;
typedef unsigned char u8;

#define DATA P0
sbit rs = P2^1;
sbit rw = P1^5;
sbit en = P1^6;
void delay(u16 num)
{
u16 x,y;
for (x=num; x>0; x--)
for(y=110; y>0; y--);
}
void write_cmd (u8 cmd)
{
rs = 0;
rw = 0;
DATA = cmd;
delay(5);
en = 1;
delay(5);
en = 0;
}
void write_data (u8 dat)
{
rs = 1;
rw = 0;
DATA = dat;
delay(5);
en = 1;
delay(5);
en = 0;
}
void lcd_init (void)
{
write_cmd(0x01);
write_cmd(0x06);
write_cmd(0x0f);
write_cmd(0x38);
write_cmd(0x01);
}

int main (void)
{
rw = 0;
rs = 0;
en = 0;
lcd_init();
write_cmd(0xc0);
write_data('L');
write_data('O');
write_data('V');
write_data('E');
write_data(' ');
write_data('Y');
write_data('O');
write_data('U');
while(1);
}

捕獲.PNG (14.91 KB, 下載次數: 86)

運行結果

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