16x16点阵滚动显示汉字程序+仿真原理图 74HC595驱动 -

/*********************************************************
程序名称：LED1616点阵流动显示汉字
简要说明：最大可显示16*16汉字
P0口接上行线，P2口接下行线，P3口接扫描线
*********************************************************/
#include <reg51.h>
#define uint unsigned int
#define uchar unsigned char
#include"74hc595.h"
uchar b;
uint offset;
uchar code line[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//行扫描信号
uchar code word0[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code word1[]={
0x20,0x20,0x22,0x22,0xFE,0x21,0x21,0x20,
0x20,0xFF,0x20,0x22,0xAC,0x20,0x20,0x00,
0x04,0x04,0x42,0x82,0x7F,0x01,0x01,0x10,
0x10,0x08,0x07,0x1A,0x21,0x40,0xF0,0x00};/*"我",0*/
uchar code word2[]={0x00,0x40,0xB2,0x96,0x9A,0x92,0xF6,0x9A,
0x93,0x91,0x99,0x97,0x91,0x90,0x30,0x00,
0x40,0x20,0xA0,0x90,0x4C,0x47,0x2A,0x2A,
0x12,0x1A,0x26,0x22,0x40,0xC0,0x40,0x00};/*"爱",0*/
uchar code word3[]={0x80,0x40,0xF0,0x2C,0x43,0x20,0x98,0x0F,
0x0A,0xE8,0x08,0x88,0x28,0x1C,0x08,0x00,
0x00,0x00,0x7F,0x00,0x10,0x0C,0x03,0x21,
0x40,0x3F,0x00,0x00,0x03,0x1C,0x08,0x00};/*"你",0*/
uchar *p[]={word0,word1,word2,word3};
void init()
{
TMOD=0x01;
TH0=0xb1;
TL0=0xe0;
ET0=1;
EA=1;
TR0=1;
}
void xianshi(uchar s[])
{uchar m,n,a;
uchar i;
for(i=0;i<8;i++)
{
m=i+16+offset;
write_data(line[i],0xff);
delay(2);
send_date();
P0=s[i+offset];
P2=s[m];
write_data(0xff,0xff);
// P0=0XFF;
//P2=0XFF;
//}
//for(i=0;i<8;i++)
a=i+8+offset;
n=i+24+offset;
write_data(0xff,line[i]);
delay(2);
send_date();
P0=s[a];
P2=s[n];
//write_data(0x00,0x00);
//{
}
//
}
void main()
{uchar i;
uint j;
init();
write_data(0xff,0xff);
while(1)
{
for(i=1;i<4;i++)
{
for(j=0;j<255;j++)
xianshi(p[1]);
//offset=0;
}
}
}
void timer0() interrupt 1 using 3
{
TF0=0;
TH0=0xb1;
TL0=0xe0;
if (b<9)
{
b++;
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