标题: LCD1602滚动显示源程序 [打印本页]
作者: 七星游龙 时间: 2019-5-6 16:47
标题: LCD1602滚动显示源程序
#include<reg52.h>
typedef unsignedchar uint8;
typedef unsignedint uint16;
sbit rs=P2^6;
sbit rw=P2^5;
sbit e=P2^7;
uint8a[16]="perchin designed";
uint8b[27]="welcome to the world of mcu";
voiddelay(uint16 i) //1us
{
while(i--);
}
void wrc(uint8c)
{
delay(1000);
rs=0;
rw=0;
e=0;
P0=c;
e=1;
delay(10);
e=0;
/*
P0=c<<4;
e=1;
e=0;*/ //四位的LCD要加上
}
void wrd(uint8dat)
{
delay(1000);
rs=1;
rw=0;
e=0;
P0=dat;
e=1;
delay(10);
e=0;
/*
P0=dat<<4;
e=1;
e=0;*/ //四位的LCD要加上
rs=0;
}
void init()
{
delay(1000);
/*wrc(0x32);
wrc(0x28);
wrc(0x28); */ //四位的LCD要加上
wrc(0x38);
wrc(0x38);
wrc(0x38);
wrc(0x0c);
wrc(0x01);
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LCD1602滚动显示.docx
11.4 KB, 下载次数: 19, 下载积分: 黑币 -5
作者: zyq456 时间: 2019-7-10 17:19
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