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標題: 單片機LED點陣實現了垂直方向的滾動顯示程序,如何修改為水平滾動? [打印本頁]

作者: renwxzy 時間: 2021-5-2 21:40
標題: 單片機LED點陣實現了垂直方向的滾動顯示程序,如何修改為水平滾動?
使用LED點陣滾動顯示數字,實現了垂直方向的滾動(代碼如下),但是怎么實現水平方向上的滾動呢?
我把行列掃描互換后,水平是水平了,可數字全躺平了

該怎么解決呢?請各位大神幫幫忙吧,先謝了.

單片機源程序如下:
#include <REG51.H>
#define uchar unsigned char //8 0-255
#define uint unsigned int //16  0-65535

void delay(uint xms)
{
      uint i,j;
      for(i=xms; i>0; i--)
            for(j=111; j>0; j--);
}

uchar code table[] = {
0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00,  //0

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x08,0x0E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x20,0x20,0x10,0x08,0x04,0x42,0x7E,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x3C,0x42,0x42,0x20,0x18,0x20,0x40,0x40,0x42,0x22,0x1C,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x20,0x30,0x28,0x24,0x24,0x22,0x22,0x7E,0x20,0x20,0x78,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x7E,0x02,0x02,0x02,0x1A,0x26,0x40,0x40,0x42,0x22,0x1C,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x38,0x24,0x02,0x02,0x1A,0x26,0x42,0x42,0x42,0x24,0x18,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x7E,0x22,0x22,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x24,0x18,0x24,0x42,0x42,0x42,0x3C,0x00,0x00,

0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x64,0x58,0x40,0x40,0x24,0x1C,0x00,0x00, //9

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};  //0-9 8*16點陣數組

uchar code scan[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };

void main(void)
{
      uchar i,j,k;


      while(1){
               for( i = 0; i < 196; i=i+2){
                     for(k = 0; k<20; k++){
                              for(j = 0; j<8; j++){
                                    P1 = P3 = P2 = 0x00;
                                       P1 = table[i+j];
                                    P3 = scan[j];
                                    P2 = 0x00;
                                    delay(1);
                                    P1 = table[i+j+8];
                                    P3 = 0x00;
                                    P2 = scan[j];
                                    delay(1);
                              }
                     }
            }
      }
}

作者: 人人學會單片機 時間: 2021-5-3 13:12
算法比較復雜我做過8*8點陣的上下左右四個斜角的移位

作者: tyrl800 時間: 2021-5-3 14:45
要簡單的話就重新取模

作者: outing逆旅 時間: 2021-6-9 21:35
最簡單方法就是把點陣轉90°

歡迎光臨 (http://m.raoushi.com/bbs/)