单片机点阵原理图PCB图程序
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点阵程序，动态显示“生日快乐TO meixiu from xiaoxue”
#include
#define uchar unsigned char
unsigned char code tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,};//定义扫描列
unsigned char code digittab[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//开始8
0x84,0x8b,0x8a,0xff,0x8a,0x8a,0x82, //生7
0x00,0x00,0xff,0x89,0x89,0x89,0xff, //日7
0x00,0x00,0x04,0xff,0x08,0x8a,0x3f,0x2a,0x4e, 0x88,//快（10）
0x00,0x00,0x08,0x48,0x2f,0x49,0xff,0x09,0x29, 0x48,//乐（10）
0x00,0x00,0x02,0x02,0xfe,0x02,0x02,0xf0,0x90,0xf0,//TO 10
0x00,0x00,0x00,0xfe,0x04,0x08,0x04,0xfe,0x00,0xf8,0xa8,0xb8,0x00,0xf4,/ 13
0x00,0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0xf4,0x00,0xf0,0x80,0xf0,//mei 13
0x00,0x00,0x00,0xfe,0x0a,0x0a,0x02,0xf8,0x10,0x08,0xf0,0x90,0xf0,0x00,0xf0,0x20,0xf0,//xiu From 16
0x00,0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0xf4,0x00,0xf0,0x90,0x90,0x70,0x80,0xf0,0x90,0xf0,//Xiao 18
0x00,0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0xf0,0x80,0xf0,0x00,0xf8,0xa8,0xb8,0x00,0x00,0x00,0x00,//xue 16 0xdf,0xdf,0xdf,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//！
};//要显示的字符
void delay(int t)
{
int i;
for(i=1;i<=t;i++);
}//延时函数
void main(void)
{
int a,b,c;
while(1)
{
for(a=0;a<139;a++) //所有要显示的列数
{
for(b=0;b<16;b++)//控制移动速度
{
P1=0xfe; //最右边的列先显示，程序定义向左移动
for(c=0;c<9;c++)//稍加修改可以变成向右移动
{ //例中P2接LED点阵阳极，P0接阴极
P0=digittab[a+c];//同时显示8列
delay(100);
P0=0x00; //禁止扫描列变换时，其它列亮！
P1=tab[c];
}
}
}
}
}