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標題: 1602液晶的驅動案例 [打印本頁]

作者: huyun 時間: 2015-6-5 00:26
標題: 1602液晶的驅動案例
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="Yin Jian Jun !";
uchar code table1[]="TEL: 18755359012";
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;

void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)
{
lcdrs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}

void write_data(uchar date)
{
lcdrs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{
dula=0;
wela=0;
lcden=0;
write_com(0x38);
write_com(0x0e);
write_com(0x06);
write_com(0x01);
write_com(0x80+0x10);
}
void main()
{
init();
for(num=0;num<14;num++)
{
write_data(table[num]);
delay(20);
}
// write_com(1);
write_com(0x80+0x50);
for(num=0;num<16;num++)
{
write_data(table1[num]);
delay(20);
}
for(num=0;num<16;num++)
{
write_com(0x18);
delay(20);
}
delay(20000);
write_com(0x01);
while(1);
}

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