如何用單片機+tlc5615實現呼吸燈操作？

ID:743069 · 發表于 2020-6-2 10:44

用單片機和tlc5615怎樣實現呼吸燈操作？電路圖的LED應該如何連？這是我連的  沒敢加電阻一加就有問題。。。我想通過輸出電壓控制燈的亮暗
哪位大佬能幫忙看看問題在哪？
#include<reg51.h>
#define uint unsigned int
#define uchar unsigned char
sbit TLC5615_CLK=P2^0;
sbit TLC5615_CS=P2^1;
sbit TLC5615_DI=P2^2;
uint code a[]={450,455,460,465,470,475,480,485,490,495,500,505,510,515,520,525,530,535,540,545,550,555,560,565,570,575,
580,585,590,595,600,605,610,615,620,625,630,635,640,645,650,655,660,665,670,675,680,685,690,695,700,
695,690,685,680,675,670,665,660,655,650,645,640,635,630,625,620,615,610,605,600,595,590,585,580,
            575,570,565,560,555,550,545,540,535,530,525,520,515,510,505,500,495,490,485,480,475,470,465,460,455,450};
int main()
{
      void TLC5615_DAC(uint dat);
  void delayms(uint x);
      uint m=0;
      while(1)
      {
            TLC5615_DAC(a[m]);
            m++;
            if(m>100)
                     m=0;
      }
      return 0;
}

void TLC5615_DAC(uint dat)
{
      uchar i;
  dat<<=6;
  TLC5615_CLK=0;
      TLC5615_CS=0;
  for (i=0;i<12;i++)
  {
         TLC5615_DI=(bit)(dat&0x8000);
         TLC5615_CLK=0;
         dat<<=1;
         TLC5615_CLK=1;
  }
  TLC5615_CS=1;
      TLC5615_CLK=0;
  delayms(200);
}

void delayms(uint x)
{
      uchar i;
      while(x--);
            for(i=0;i<123;i++);
}