标题:
单片机lcd1602驱动程序
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作者:
miaomia
时间:
2018-7-9 22:49
标题:
单片机lcd1602驱动程序
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit rs=P1^1;
sbit wr=P1^2;
sbit lcden=P1^3;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
uchar code table1[]="lcd1026";
uchar code table2[]="test";
uint i,j;
void delay(uint x)
{
for (i=x;i>0;i--)
{
for(j=125;j>0;j--);
}
}
void write_com(uchar com) //写命令函数
{
rs=0;
wr=0;
lcden=0;
P0=com;
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar dat) //写数据函数
{
rs=1;
wr=0;
lcden=0;
P0=dat;
lcden=1;
delay(5);
lcden=0;
}
void init() //初始化函数
{
write_com(0x38);
write_com(0x08);
write_com(0x01);
write_com(0x06);
write_com(0x0f);
}
void main()
{
P0=0;
dula=0;
wela=0;
init();
for(num=0;num<7;num++)
{
write_data(table1[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<4;num++)
{
write_data(table2[num]);
delay(5);
}
while(1);
}
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lcd1602驱动程序,包含初始化、写命令、写数据,供新人参考。
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