原创 ATMEGA驱动1位共阴极数码管

#include
const unsigned char led_7[16]={0x3f,0x06,0x5b,
	  		   		0x4f,0x66,0x6d,0x7d,0x07,
					0x7f,0x6f,0x77,0x7c,0x39,
					0x5e,0x79,0x71};
		unsigned char point_on=0;
		void main(void)
		{
		 unsigned int j;
		 unsigned char i=0;
		 PORTC=0XFF;
		 DDRC=0XFF;
		 while(1)
		 {
		  for(i=0;i<=15;i++)
		  {
		   PORTC=led_7;
		   if(point_on) PORTC|=0X80;
		   for(j=0;j<50000;j++);
		 
		  }
		  point_on=~point_on;
		 }
		}