原创 LED点阵8X8 滚动显示

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两种方法，一种直接用单片机I/O驱动，

另一种用74HC595驱动，只需三个I/O口

keil C 文件和Proteus文件打包下载

这是我从网上下载的点阵资源，打包给大家分享

包含以下内容：

├─16X16汉字点阵
├─32.16点阵
├─64X32LED點陣屏
├─点阵8X8
├─基于单片机的俄罗斯方块游戏的实现
├─点阵16X16
├─8.8LED点阵字库软件
├─16X16点阵飞机射击游戏
├─点阵控制(16 64)
├─8字文字流动显示
└─16X16_Dot

一种直接用单片机I/O驱动(当然这是仿真，实际上并不可靠，很暗的)

/*--------------------------------------------------------------*/
//LED8*8滚动显示
//列扫描，低电平有效

#include <reg52.h>

/*--------------------------------------------------------------*/
//接口定义
#define L P0 //列
#define R P2 //行

/*--------------------------------------------------------------*/
//代码库
#define  num  sizeof(table) //代码长度
unsigned char code table[]= {
/*--  宽度x高度=200x8  --*/
0x00,0x00,0x00,0x00,0x00,
0x00,0x42,0x7E,0x42,0x00,0x00,0x00,0x7E,0x40,0x40,0x00,0x7E,0x42,0x7E,0x00,0x3E,
0x40,0x3E,0x00,0x7E,0x52,0x52,0x00,0x00,0x00,0x0E,0x70,0x0E,0x00,0x7E,0x42,0x7E,
0x00,0x7E,0x40,0x7E,0x00,0x00,0x00,0x42,0x7E,0x40,0x00,0x52,0x52,0x7E,0x00,0x42,
0x7E,0x40,0x18,0x14,0x7E,0x10,0x00,0x1C,0x22,0x44,0x22,0x1C,0x00,0x00,0x3C,0x42,
0x4A,0x62,0x4A,0x42,0x3C,0x00,0x00,0x7E,0x10,0x7E,0x00,0x7C,0x12,0x7C,0x00,0x7E,
0x0A,0x0E,0x00,0x7E,0x0A,0x0E,0x00,0x0E,0x70,0x0E,0x00,0x00,0x00,0x7E,0x04,0x18,
0x20,0x7E,0x00,0x7E,0x52,0x52,0x00,0x3E,0x40,0x7E,0x40,0x3E,0x00,0x00,0x00,0x0E,
0x70,0x0E,0x00,0x7E,0x52,0x52,0x00,0x7C,0x12,0x7C,0x00,0x7E,0x1A,0x6E,0x00,0x00,
0x72,0x52,0x5E,0x00,0x7E,0x42,0x7E,0x00,0x7E,0x42,0x7E,0x00,0x5E,0x52,0x7E,0x00,
0x08,0x08,0x08,0x00,0x7E,0x42,0x7E,0x00,0x72,0x52,0x5E,0x00,0x08,0x08,0x08,0x00,
0x7E,0x42,0x7E,0x00,0x42,0x7E,0x40,0x00,0x00,0x00,0x42,0x7E,0x40,0x00,0x52,0x52,
0x7E,0x00,0x24,0x00,0x18,0x14,0x7E,0x10,0x00,0x5E,0x52,0x7E,0x00,0x00,0x00,0x0C,
0x02,0x4C,0x40,0x4C,0x02,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};

/*--------------------------------------------------------------*/
//延时5000+0us 函数定义
void delay1(void)
{
    unsigned char i, j;
    for(i = 185; i > 0; i--)
    for(j = 12; j > 0; j--);
}

/*--------------------------------------------------------------*/
//主函数
void main (void)
{
 unsigned char m, i;
 unsigned int  n;

 while(1)   
 {
  L = ~(0x01 << i);                           //开始列扫描
  R = table[i + n];                              //查表取出数据
  delay1();                                         //延迟时间 
  i++; if(i == 8) i = 0;                        //循环扫描
  m++; if(m == 50) {m = 0; n++;}     //滚动速度控制
  if(n == num-7) n = 0;                     //循环显示
 }
}