标题: 51单片机入门流动第一颗led [打印本页]

作者: snsodnv    时间: 2020-7-23 12:33
标题: 51单片机入门流动第一颗led
#include <reg52.h>

int m;
int i = 1;

unsigned char code leds[8] = {0x7f, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0xfe};
void LEDdelay(unsigned int m)
{
P1 = leds[m%7];
unsigned char k;
for(j=1000; j>0; j--)
  for(k=125; k>0 ;k--);
}
sbit LED    = P1^0;
int main()
{  
while(1)
{
  for(m = 1; m < 8; m++)
  {  
   
            //P1 = leds[m];
   LEDdelay(1);
   //P1 += i;
   LED = 0;
   LEDdelay(2);
   LED = 1;   
  }  
}

return 0;
}







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