贡献一个8*8点阵的代码，通过单片机io脚直连，比较适合初学者 -

#include <reg52.h>
#include <intrins.h>
void delay1ms(unsigned char c) //误差 0us
{
unsigned char a,b;
for(c;c>0;c--)
for(b=142;b>0;b--)
for(a=2;a>0;a--);
}
unsigned char code taba[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //纵条表
unsigned char code tabb[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; //衡条表
//unsigned char code a[]={0x18,0x24,0x24,0x42,0x7E,0x42,0x42,0x81};
unsigned char code a[] = {0xE7,0xDB,0xDB,0xBD,0x81,0xBD,0xBD,0x7E};
#if 0
unsigned char number[]= {
0xFF,0x9F,0xBF,0xBF,0xBF,0xBF,0x1F,0xFF,/*"1",0*/
0xFF,0xC3,0xDB,0xDF,0xEF,0xF7,0xFB,0xC3,/*"2",1*/
0xFF,0xC3,0xDB,0xE7,0xDF,0xDF,0xDB,0xE3,/*"3",2*/
0xFF,0xDF,0xCF,0xD7,0xDB,0xDB,0xC7,0xDF,/*"4",3*/
0xFF,0xC3,0xFB,0xE3,0xDF,0xDF,0xDB,0xE3,/*"5",4*/
0xFF,0xE7,0xFB,0xFB,0xC3,0xDB,0xDB,0xE7,/*"6",5*/
0xFF,0xC3,0xEF,0xEF,0xF7,0xF7,0xF7,0xF7,/*"7",6*/
0xFF,0xC7,0xDB,0xDB,0xE7,0xDB,0xDB,0xE7,/*"8",7*/
0xFF,0xE7,0xDB,0xDB,0xC3,0xDF,0xDF,0xE7,/*"9",8*/
0xFF,0xE7,0xDB,0xDB,0xDB,0xDB,0xDB,0xE7/*"0",9*/};
#endif
#if 0 //高位在后
unsigned char chara[6][8]={
{0xFF,0xFF,0xF7,0xEB,0xED,0xC1,0x9C,0xFF},/*"A",0*/
{0xFF,0xFF,0xC1,0xDD,0xE1,0xDD,0xC1,0xFF},/*"B",1*/
{0xFF,0xFF,0x83,0xF9,0xFD,0xB9,0x83,0xFF},/*"C",2*/
{0xFF,0xFF,0xE1,0xDD,0xDD,0xCD,0xE1,0xFF},/*"D",3*/
{0xFF,0xFF,0xC1,0xFD,0xE1,0xFD,0xC1,0xFF},/*"E",4*/
{0xFF,0xFF,0xC1,0xFD,0xE1,0xFD,0xFD,0xFF},/*"F",5*/
};
#endif
#if 1 //高位在前
unsigned char chara[6][8]={
{0xFF,0xFF,0xEF,0xD7,0xB7,0x83,0x39,0xFF},/*"A",0*/
{0xFF,0xFF,0x83,0xBB,0x87,0xBB,0x83,0xFF},/*"B",1*/
{0xFF,0xFF,0xC1,0x9F,0xBF,0x9D,0xC1,0xFF},/*"C",2*/
{0xFF,0xFF,0x87,0xBB,0xBB,0xB3,0x87,0xFF},/*"D",3*/
{0xFF,0xFF,0x83,0xBF,0x87,0xBF,0x83,0xFF},/*"E",4*/
{0xFF,0xFF,0x83,0xBF,0x87,0xBF,0xBF,0xFF},/*"F",5*/
};
unsigned char temp[] = {0,0x01,0x3,0x7,0xF,0x1F,0x3F,0x7F,0xFF};
unsigned char temp2[] = {0xFF,0xFE,0xFC,0xF8,0xF0,0xE0,0xC0,0x80};
void main()
{
unsigned char i,j,k,z;
P0 = 1;
P2 = 0xFE;
#if 1
//向左移动字符A
while(1){
for(k=0;k<16;k++)
for(j=0;j<30;j++)
for(i=0;i<8;i++){
P0 = tabb[i];
if(k<=7)
P2 = a[i]>>(8-k) | temp2[k] ;//屏蔽左边没有数据的位
else
P2 = ( a[i]<< (k-8) ) | temp[k-8] ; //屏蔽右边移出来的空位，补一，否则右边会亮
delay1ms(2);
}
}
#endif
#if 0
//向左移动所有字符
while(1)
{
for(z=0;z<6;z++)
{
for(j=0;j<8;j++) //在可见视窗内，只能显示8列数据，
{
for(k=0;k<10;k++) //每一帧数据要显示一定时间，否则看不到要显示的内容
for(i=0;i<8;i++) //显示一帧，每一帧数据由8行组成
{
P0 = tabb[i];
if(z == 5)
P2 = chara[z][i] << j;
else
P2 = chara[z][i] << j | (chara[z+1][i] >> (8-j));//对数据做重新的组合之后再显示
delay1ms(2);
}
}
}
}
#endif
#if 0
while(1){
//先将二维数组变为一维数组，这样比较容易操作。向上移动显示0-9 ，P0为行扫描，P2为列扫描
for(k=0;k<sizeof(number)-8;k++)
for(j=0;j<30;j++)
for(i=0;i<8;i++){
P0 = tabb[i];
P2 = number[k+i];
delay1ms(2);
}
}
#endif
#if 0
//静态显示字母A
while(1){
for(i=0;i<8;i++){
P0 = tabb[i];
P2 = a[i];
delay1ms(2);
}
}
#endif
#if 0
while(1){
//循环显示0-9 ，P0为行扫描，P3为列扫描
for(k=0;k<10;k++)
for(j=0;j<200;j++)
for(i=0;i<8;i++){
P0 = tabb[i];
P2 = number[k][i];
delay1ms(2);
}
}
#endif
/*
while(1){
for(i=0;i<8;i++){
P1 = a[i];
P3 = taba[i];
delay1ms();
P1 = 0;
P3 = 0;
}
}
while(1){
//逐行扫描，从上到下
for(i=0;i<8;i++){
P0 = tabb[i];
Delay500ms();
P2 = 0x00;
}
//逐行扫描，从下到上
for(i=7;i>0;i--){
P0 = tabb[i];
Delay500ms();
P2 = 0x00;
}
//逐列扫描从右到左
for(i=0;i<8;i++){
P0 = 0xFF;
P2 = taba[i];
Delay500ms();
}
//逐列扫描从左到右
for(i=7;i>0;i--){
P0 = 0xFF;
P2 = taba[i];
Delay500ms();
}
P0 = 0;
P2 = 0;
}
*/
}

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