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我是看著郭天祥的書跟著學習的,但是看著書上打了一些代碼之后,放到仿真圖里,顯示出來的字符卻不完全。
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="hello everyone!";
uchar code table1[]="welcome to here!";
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(0x0c);
write_com(0x06);
write_com(0x01);
}
void main()
{
init();
write_com(0x80+0x10);
for(num=0;num<15;num++)
{
write_data(table[num]);
delay(5);
}
write_com(0x80+0x50);
for(num=0;num<16;num++)
{
write_data(table1[num]);
delay(5);
}
for(num=0;num<16;num++)
{
write_com(0x18);
delay(200);
}
write_com(0x01);
while(1);
}
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