帮忙看看这个点阵的问题

ID:163557 · 发表于 2017-2-5 18:43

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit DS=P2^0;  //串行时钟
sbit SH=P2^1;  //串行数据输入
sbit ST=P2^2;  //数据锁存
sbit A1=P2^3;
sbit A2=P2^4;
sbit A3=P2^5;
sbit A4=P2^6;  //138译码器

uchar code H[]=
{
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,
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,
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,
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,
/*--  文字:  电  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16 --*/
0x20,0x20,0x10,0x30,0x18,0x30,0x10,0x32,
   0x0B,0xFF,0x7C,0x30,0x18,0x30,0x18,0x78,
   0x18,0x78,0x18,0xCC,0x19,0x8E,0x1B,0x07,
   0x1C,0x02,0x36,0x00,0x63,0xFF,0x21,0xFE,
/*--  文字:  子  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16 --*/
0x00,0x00,0x3F,0xF0,0x00,0x20,0x00,0x40,0x00,0x80,0x01,0x00,0x01,0x00,0x01,0x04,
0xFF,0xFE,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x05,0x00,0x02,0x00,
/*--  文字:  爱  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16 --*/
0x00,0xF8,0x3F,0x90,0x12,0x10,0x09,0x20,0x3F,0xFE,0x22,0x02,0x42,0x00,0x3F,0xFC,
0x04,0x00,0x07,0xF0,0x0C,0x20,0x0B,0x40,0x10,0xC0,0x63,0x30,0x8C,0x0E,0x30,0x04,
/*--  文字:  好  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16 --*/
0x10,0x00,0x11,0xFC,0x10,0x08,0x10,0x10,0xFC,0x20,0x24,0x20,0x24,0x20,0x27,0xFE,
0x44,0x20,0x64,0x20,0x18,0x20,0x08,0x20,0x14,0x20,0x26,0x20,0x44,0xA0,0x80,0x40,
/******************************************************************************/
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,
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,
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,
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 BUFF[10]; //缓冲数组

void read(uchar dat)
{
   uchar i;
   for(i=0;i<8;i++)
   {
      DS=(dat&0x80)?1:0;  //判断最高位,为真取1,为假取0
      SH=1;       //上升沿送数据
      SH=0;
      dat=dat<<1;  //左移取下一位
   }
}//写入数据
void buff(uchar h,uchar word)
{
uchar i;
for(i=0;i<5;i++)
{
      BUFF[2*i]=H[word*32+32*i+h*2];
      BUFF[2*i+1]=H[word*32+32*i+h*2+1];
}
}//预先缓冲5个字
void move(uchar k)
{
uchar i,temp,u8;
if(k>=8)
{
      k=k-8;
      u8=1;
}
else
      u8=0;
for(i=0+u8;i<8+u8;i++)
{
      temp=(BUFF<<k)|(BUFF[i+1]>>(8-k));
      read(temp);
}
}//向左移动
int main(void)
{ uchar i=0,k=0,l=0,word=0;
ST=SH=0; //初始化端口

while(1)
{

buff(i,word);

switch(i)
{
      case 0:A1=0; A2=0; A3=0;A4=0;move(k); break;
      case 1:A1=1; A2=0; A3=0;A4=0;move(k); break;
      case 2:A1=0; A2=1; A3=0;A4=0;move(k); break;
      case 3:A1=1; A2=1; A3=0;A4=0;move(k); break;
      case 4:A1=0; A2=0; A3=1;A4=0;move(k); break;
      case 5:A1=1; A2=0; A3=1;A4=0;move(k); break;
      case 6:A1=0; A2=1; A3=1;A4=0;move(k); break;
      case 7:A1=1; A2=1; A3=1;A4=0;move(k); break;
      case 8:A1=0; A2=0; A3=0;A4=1;move(k); break;
      case 9:A1=1; A2=0; A3=0;A4=1;move(k); break;
      case 10:A1=0; A2=1; A3=0;A4=1;move(k); break;
      case 11:A1=1; A2=1; A3=0;A4=1;move(k); break;
      case 12:A1=0; A2=0; A3=1;A4=1;move(k); break;
      case 13:A1=1; A2=0; A3=1;A4=1;move(k); break;
      case 14:A1=0; A2=1; A3=1;A4=1;move(k); break;
      case 15:A1=1; A2=1; A3=1;A4=1;move(k); break;
      default: break;
} //动态刷新

if(++i==16)
{
   l++;
   i=0;
   if(l==3){l=0;
   k++;
   if(k==16){
         k=0;word++;}}
}

if(word==8)
      word=0;
ST=1;  //锁存数据
ST=0;
}
}