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標(biāo)題: 基于51單片機(jī)16X32LED點(diǎn)陣顯示屏模擬LED閃爍 [打印本頁(yè)]

作者: hinata_aoi 時(shí)間: 2022-6-6 14:03
標(biāo)題: 基于51單片機(jī)16X32LED點(diǎn)陣顯示屏模擬LED閃爍
本帖最后由 hinata_aoi 于 2022-6-6 14:35 編輯

運(yùn)行該程序時(shí)，LED數(shù)碼管一直閃爍，多次嘗試修改delay函數(shù)后無(wú)效，辛苦大家看一下這個(gè)是什么情況
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 時(shí)間: 2022-6-6 14:54
電路圖

51hei截圖20220606145335825.jpg (244.46 KB, 下載次數(shù): 19)

作者: 人人學(xué)會(huì)單片機(jī) 時(shí)間: 2022-6-6 15:39
http://m.raoushi.com/bbs/dpj-209810-1.html STC89單片機(jī)點(diǎn)陣萬(wàn)年歷DS3231代碼和PCB分享

作者: 人人學(xué)會(huì)單片機(jī) 時(shí)間: 2022-6-6 15:39
STC8單片機(jī)+DS1302+DS18B20+74HC595的LED16x32點(diǎn)陣溫度萬(wàn)年歷源代碼分享 http://m.raoushi.com/bbs/dpj-200968-1.html

作者: 188610329 時(shí)間: 2022-6-6 15:47
如果你用的是 51， 8951 的話，不用延時(shí),應(yīng)該就不閃了, 或者把延時(shí)函數(shù)的 uint m 和 uint j 都改成 char 應(yīng)該也不閃了。

作者: hinata_aoi 時(shí)間: 2022-6-7 18:50

188610329 發(fā)表于 2022-6-6 15:47
如果你用的是 51， 8951 的話，不用延時(shí),應(yīng)該就不閃了, 或者把延時(shí)函數(shù)的 uint m 和 uint j 都改成 ch ...

已經(jīng)修改，但是沒(méi)有效果，依然閃爍

作者: hinata_aoi 時(shí)間: 2022-6-7 21:02

人人學(xué)會(huì)單片機(jī) 發(fā)表于 2022-6-6 15:39
STC8單片機(jī)+DS1302+DS18B20+74HC595的LED16x32點(diǎn)陣溫度萬(wàn)年歷源代碼分享 http://m.raoushi.com/bbs/dpj-200 ...

我這個(gè)程序具體哪里有問(wèn)題呢，求指教

作者: 17337161031 時(shí)間: 2022-6-8 19:50
你可以參考一下B站小鄧子分享官的視頻，應(yīng)該是基本相同的，不會(huì)發(fā)生閃爍

歡迎光臨 (http://m.raoushi.com/bbs/)