Proteus单片机仿真LCD1602小示例

#include
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="CHINA !";//第一行显示字符串
uchar code table1[]="SHANGHAI yaohua";//第二行显示字符串
sbit lcden=P3^4;
sbit lcdrs=P3^5;
uchar num;
void delay(uint u)
{
uint x,y;
for(x=u;x>0;x--)
for(y=200;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+0x03);
}
void main()
{
init();
for(num=0;num<8;num++)
{
write_data(table[num]);
delay(20);
}
write_com(0x80+0x40);
for(num=0;num<20;num++)
{
write_data(table1[num]);
delay(20);
}
for(num=0;num<20;num++)
delay(20);
while(1);
}