哪位大神能给我看一下我的单片机代码为啥不能循环点亮点阵屏?

ID:964940 · 发表于 2021-9-8 18:06

#include <stdio.h>
#include <REG52.H>
#include <INTRINS.H>

sbit       LT = P3^2;
sbit       EN = P3^3;

void Led_Display1row(unsigned char row);

void Delay_ms(unsigned int Cnt)
{
      unsigned int t;
      while(Cnt--)
      {
            t=100;
            while(--t);
      }
}

void UARTInit()
{
      SCON = 0;
      ES = 0;
}

void main()
{
//       unsigned char i;

      UARTInit();
      EN = 0;
      LT = 0;

//       for(i=0;i<10;i++)
//       {
//             TI = 0;
//             SBUF = 0x00;
//             while(TI==0);
//       }
//       LT = 1;
//       LT = 0;
//
//       while(1)
//       {
//             for( i=0;i<16;i++ )
//             {
//                      P2 = i;
//                      Delay_ms(1000);
//             }
//       }



            Led_Display1row(1);

}
unsigned char idata Led_Matrix[16][10]=
{
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
};

void Led_Display1row(unsigned char row)
{
      unsigned char col;
      EN=1;
      LT=0;
      for(col=0;col<10;col++)
      {
            TI=0;
            SBUF= Led_Matrix[row][9-col];
            while(TI==0);
            while(1)
      {
            for(row=0;row<16;row++ )
            {
                     P2=row;
                     Delay_ms(1000);
            }
      }

      }
      LT=1;
      LT=0;
      EN=0;

}

ID:155507 · 发表于 2021-9-8 18:36

又没有图，也没有描述清楚也不知道你的电路图是怎样的，
程序都是针对特定芯片编写的，

没有具体故障现象，谁能看出哪里出错了

ID:624769 · 发表于 2021-9-8 19:19

unsigned char idata Led_Matrix[16][10]=
{
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
};
你确定你这满足  16x10 的数组么？

定外，你既然不重写，为什么不用 Code 用 idata? 160的 idata 用掉，你单片机可能堆栈都不够用了……。

ID:964940 · 发表于 2021-9-8 22:29

188610329 发表于 2021-9-8 19:19
unsigned char idata Led_Matrix[16][10]=
{
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0 ...

搞好了，谢谢

ID:964940 · 发表于 2021-9-8 22:29

angmall 发表于 2021-9-8 18:36
又没有图，也没有描述清楚也不知道你的电路图是怎样的，
程序都是针对特定芯片编写的，

搞好了，谢谢

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