代碼：
#include <reg52.h>
#define uchar unsigned char
sbit rs=P2^2;//寫指令/數據
sbit rw=P2^3;//讀狀態/寫
sbit e=P2^4;//使能端
sbit psb=P2^5;//串/并輸入
//校徽
unsigned char code image[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x1F,0xFF,0x80,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0xFC,0xFF,0xF8,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x07,0xF4,0xFC,0x7E,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x0D,0xF0,0xFC,0xFF,0x80,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x13,0xF0,0x78,0x7F,0xC0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x75,0xF7,0xFF,0xFC,0xE0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0xF8,0xF8,0x00,0xF9,0x78,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x01,0xFD,0xCF,0xFF,0x1E,0xFC,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x03,0xFA,0x3F,0xFF,0x66,0xFE,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x07,0xFD,0xFF,0xFD,0x79,0xFF,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x0E,0xF3,0xFF,0xFA,0xFE,0xF0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x18,0x2F,0xFF,0xF0,0xFF,0x69,0x80,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x3C,0xDF,0xFF,0xD5,0xFF,0xA3,0xC0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x3E,0xBF,0xFF,0x93,0xFF,0xDF,0xE0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x7F,0x7F,0xFF,0x9F,0xFF,0xEF,0xE0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x7F,0x7E,0x07,0x9F,0x07,0xF7,0xF0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0xFE,0xFF,0x00,0x00,0x0F,0xF3,0xF0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xFD,0xFF,0x80,0x00,0x1F,0xFB,0xF8,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xFD,0xFF,0xE0,0x00,0x3F,0xFD,0xF8,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xFB,0xF9,0xE0,0x00,0x79,0xFD,0xFC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xFB,0xFC,0x10,0x00,0x81,0xFD,0xFC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xFB,0xFE,0x00,0x02,0x03,0xFE,0xFC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xF7,0xFE,0x00,0x00,0x07,0xFE,0xFC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xF7,0xFF,0x00,0x08,0x0F,0xFE,0xFE,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xF7,0xF0,0x40,0xF8,0x10,0x7E,0xFE,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xF7,0xF0,0x00,0x00,0x00,0xFF,0x7E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x07,0xF7,0xFC,0x00,0x00,0x01,0xFF,0x7E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x06,0x37,0xFE,0x00,0x00,0x07,0xFF,0x72,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x06,0x77,0xFF,0x80,0x00,0x0F,0xFF,0x5E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x07,0xF7,0xF3,0xE0,0x00,0x7D,0xFF,0x7E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x06,0x37,0xFC,0x7F,0x07,0xE1,0xFF,0x5E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x02,0xF7,0xFE,0xBF,0x07,0xCB,0xFF,0xC6,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xF7,0xFC,0x1E,0x06,0x1F,0xFE,0xFE,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x02,0x37,0xFD,0x0F,0xD9,0x1F,0xFE,0xC4,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0xFB,0xFE,0x82,0x80,0x3F,0xFE,0xF4,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x03,0x1B,0xFE,0x80,0x00,0x3F,0xFE,0xEC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xFB,0xFF,0xC0,0x00,0xFF,0xFD,0xFC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xD9,0xFF,0xA8,0x0B,0xFF,0xFD,0xBC,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x01,0xED,0xFF,0xFC,0x0B,0xFF,0xFB,0xE8,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0xEC,0xFF,0xFE,0x8F,0xFF,0xFB,0x28,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0xCE,0xFF,0xFF,0xDF,0xFF,0xF7,0xD0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x73,0x7F,0xFF,0xDF,0xFF,0xE7,0x30,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x6F,0xBF,0xFE,0x8B,0x23,0xEE,0xE0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x37,0x9F,0xED,0xFF,0xFF,0xDD,0xC0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x1F,0xCF,0xBF,0xFF,0xFD,0xBA,0xC0,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x1E,0xE5,0x7F,0xFF,0xFE,0x79,0x80,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x0D,0x7B,0xFE,0x63,0xFC,0xDB,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x06,0x3C,0xFE,0x27,0xF3,0xFE,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x03,0x5F,0x1F,0xFF,0xCF,0x5C,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x01,0xEB,0xE3,0xFC,0x3C,0x78,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0xDB,0xFC,0x03,0xFB,0x30,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x3E,0xDF,0xFF,0x9D,0xE0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x1F,0xBB,0xFC,0xFD,0xC0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x0F,0xAA,0xBE,0xBF,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x03,0xEE,0xBE,0xBC,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x7E,0x9F,0xF0,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x0F,0xFF,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
};
void delay(int i)
{
uchar j;
while(i--)
for(j=110;j>0;j--);
}
//讀狀態，檢測忙
void check_busy()
{
rs=0;
rw=1;
e=1;
P0=0xff;
while((P0&0x80)==0x80);
e=0;
}
//寫指令
void write_com(uchar com)
{
check_busy();
rs=0;
rw=0;
e=1;
P0=com;
delay(5);
e=0;
delay(5);
}
//寫數據
void write_data(uchar _data)
{
check_busy();
rs=1;
rw=0;
e=1;
P0=_data;
delay(5);
e=0;
delay(5);
}
//初始化lcd
void init()
{
rw=0;
psb=1;//選擇為并行輸入
delay(50);
write_com(0x30);//基本指令操作
delay(5);
write_com(0x0c);//顯示開，關光標
delay(5);
write_com(0x06);//寫入一個字符，地址加1
delay(5);
write_com(0x01);
delay(5);
}
void wstring(uchar *str)
{
while(*str)
{
write_data(*str);
delay(5);
str++;
}
}
void lcd_draw(unsigned char code *pic)
{
unsigned i,j,k;
write_com(0x34);//擴充指令集
for(i=0;i<2;i++)//上半屏和下半屏
{
for(j=0;j<32;j++)//上下半屏各32行
{
write_com(0x80+j);//寫行地址（y地址）
if(i==0)
{
write_com(0x80);//寫列地址（x地址），上半屏列地址為0x80，下半屏列地址為0x88
}
else
{
write_com(0x88);
}
for(k=0;k<16;k++)//寫入列數據
{
write_data(*pic++);
}
}
}
write_com(0x36);//顯示圖形
write_com(0x30);//基本指令集
}
void main()
{
init();
write_com(0x80);//第一行地址
wstring("北京理工大學珠海");
write_com(0x90);//第二行地址
wstring("學院");
write_com(0x98);//第三行地址
wstring("www.zhbit.com");/**/
delay(5000);
write_com(0x01);
write_com(0x80);
wstring("ZHUHAI CAMPUS,");
write_com(0x90);
wstring("BEIJING ");
write_com(0x88);
wstring("INSTITUTE OF ");
write_com(0x98);
wstring("TECHNOLOGY");
delay(5000);
write_com(0x01);
lcd_draw(image);
write_com(0x98+5);
wstring("ZHBIT");
while(1);
}
lcd比數碼管好玩多
效果：
校徽弄得不太好
繪圖更好的一個算法：（可以繪分塊，也可繪全屏）
lcd比數碼管好玩多
效果：
校徽弄得不太好
繪圖更好的一個算法：（可以繪分塊，也可繪全屏）
void lcd_block(char num,char flag)
{
//x1:列數，yl:行數，x:列坐標,
//sx:該圖形距離第一幅圖的距離
//此函數也可以用來畫全屏圖
unsigned i,j,k,xl,yl,x,y,sx;
unsigned char code *pic;
switch(num)
{
case 0: j=0; pic=image0;xl=5;yl=12;sx=3;x=0x80|sx;break;
case 1: j=13;pic=image4;xl=4;yl=37;sx=0;x=0x80|sx;break;
case 2: j=13;pic=image4;xl=4;yl=37;sx=3;x=0x80|sx;break;
case 3: j=13;pic=image4;xl=4;yl=12;sx=6;x=0x80|sx;break;
case 4: j=7; pic=image4;xl=4;yl=31;sx=0;x=0x88|sx;break;
case 5: j=7; pic=image5;xl=4;yl=31;sx=3;x=0x88|sx;break;
case 6: j=7; pic=image5;xl=4;yl=31;sx=6;x=0x88|sx;break;
case 7: j=0; pic=image7;xl=16;yl=64;sx=0;x=0x80|sx;break;
}
write_com(0x34);
for(j;j<yl;j++)
{
if(j>31) {y=j-32;x=0x88|sx;}
else y=j;
write_com(0x80+y);
write_com(x);
for(k=0;k<xl;k++)
{
if(flag)
write_data(*pic++);
else write_data(~(*pic++));
}
}
/* for(j;j<yl;j++)
{
write_com(0x80+j);
write_com(x);
for(k=0;k<xl;k++)
{
if(flag)
write_data(*pic++);
else write_data(~(*pic++));
}
}*/
write_com(0x36); //顯示圖形
write_com(0x30); //基本指令集
}