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51单片机C程序怎样把LED灯从左到右点亮然后又从右到左点亮然后循环

#include<reg51h>unsigned char ledtab[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe}void delay(unsigned char a){unsign

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2023-5-5
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51单片机C程序怎样把LED灯从左到右点亮然后又从右到左点亮然后循环