基于51单片机16X32LED点阵显示屏模拟LED闪烁 -

标题: 基于51单片机16X32LED点阵显示屏模拟LED闪烁 [打印本页]

作者: hinata_aoi 时间: 2022-6-6 14:03
标题: 基于51单片机16X32LED点阵显示屏模拟LED闪烁
本帖最后由 hinata_aoi 于 2022-6-6 14:35 编辑

运行该程序时，LED数码管一直闪烁，多次尝试修改delay函数后无效，辛苦大家看一下这个是什么情况
源程序：
#include <reg51.h>

#define uchar unsigned char
#define uint unsigned int

#define  SPEED 1

sbit DS=P2^0;
sbit ST=P2^2;
sbit SH=P2^1;

uchar code table1[]={
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,

0x01,0x21,0x22,0x22,0x24,0x28,0x30,0xFF,0x30,0x28,0x24,0x22,0x22,0x21,0x01,0x00,
0x08,0x06,0x40,0x30,0x03,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x00,0x00,
0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x00，
0x02,0x0C,0x88,0x69,0x09,0x09,0x89,0x69,0x09,0x09,0x19,0x28,0xC8,0x0A,0x0C,0x00，
0x00,0x7F,0x44,0x5A,0x61,0x08,0x30,0x24,0x24,0xA4,0x64,0x24,0x24,0x28,0x30,0x00，

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 code table2[]={
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,

0x10,0x10,0x10,0x10,0x90,0x92,0x91,0x9E,0xB0,0xD0,0x90,0x10,0x10,0x10,0x10,0x00，
0x20,0x20,0x3E,0xC0,0x04,0x04,0x04,0x04,0x04,0xFC,0x04,0x04,0x04,0x04,0x04,0x00，
0x04,0x04,0x04,0x04,0x04,0x04,0x04,0xFC,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00，
0x20,0x20,0x20,0x20,0x20,0x22,0x21,0x7E,0x60,0xA0,0x20,0x20,0x20,0x20,0x20,0x00，
0x00,0xFF,0x20,0x10,0xE0,0x01,0x82,0x8C,0xF0,0x80,0x80,0xFC,0x82,0x82,0x8E,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,
};

void senddata(uchar,uchar,uchar,uchar);
void delay(uint);

void main()
{
      uchar       i,j,k,m,n=0;
      while(1)
      {
               for(i=0;i<112;i++
            {
                     for(j=0;j<SPEED;j++)
                     {
                              for(k=0;k<16;k++
                              {
                                    m=i+k;
                                    P1=k;
                                    senddata(table1[m+16],table2[m+16],table1[m],table2[m])；
                                    delay(100);
                                       senddata(0,0,0,0)；
                              }
                     }
            }
      }

}
void senddata(uchar m,uchar n, uchar m1, uchar n1)
{
      uchar i;
      ST=0;
      for(i=0;i<32;i++)
      {
            SH=0;
            if(i<8) {
                        DS=0X80&(m<<i);
            } else if(i>=8 && i<16) {
                     DS=0X80&(n<<(i-8));
            } else if(i>=16 && i<24) {
                     DS=0X80&(m1<<(i-16));
            } else if(i>=24 && i<32) {
                     DS=0X80&(n1<<(i-24));
            }

            SH=1;
      }
      ST=1;
}

void delay(uint m)
{
      uint j;
      for(j=m;j>0;j--);
}

作者: hinata_aoi 时间: 2022-6-6 14:54
电路图

51hei截图20220606145335825.jpg (244.46 KB, 下载次数: 19)

作者: 人人学会单片机 时间: 2022-6-6 15:39
http://www.51hei.com/bbs/dpj-209810-1.html STC89单片机点阵万年历DS3231代码和PCB分享

作者: 人人学会单片机 时间: 2022-6-6 15:39
STC8单片机+DS1302+DS18B20+74HC595的LED16x32点阵温度万年历源代码分享 http://www.51hei.com/bbs/dpj-200968-1.html

作者: 188610329 时间: 2022-6-6 15:47
如果你用的是 51， 8951 的话，不用延时,应该就不闪了, 或者把延时函数的 uint m 和 uint j 都改成 char 应该也不闪了。

作者: hinata_aoi 时间: 2022-6-7 18:50

188610329 发表于 2022-6-6 15:47
如果你用的是 51， 8951 的话，不用延时,应该就不闪了, 或者把延时函数的 uint m 和 uint j 都改成 ch ...

已经修改，但是没有效果，依然闪烁

作者: hinata_aoi 时间: 2022-6-7 21:02

人人学会单片机发表于 2022-6-6 15:39
STC8单片机+DS1302+DS18B20+74HC595的LED16x32点阵温度万年历源代码分享 http://www.51hei.com/bbs/dpj-200 ...

我这个程序具体哪里有问题呢，求指教

作者: 17337161031 时间: 2022-6-8 19:50
你可以参考一下B站小邓子分享官的视频，应该是基本相同的，不会发生闪烁

欢迎光临 (http://www.51hei.com/bbs/)