点阵.c

avr基础程序大全

#include <iom16v.h>
#include <macros.h>
#define  uchar unsigned char
#define  uint  unsigned int

//圆形显示
unsigned char const tabP0[]={0x00,0x3c,0x42,0x42,0x42,0x42,0x3c,0x00};
unsigned char const tabP2[]={0x7F,0xBF,0x0DF,0x0EF,0x0F7,0x0FB,0x0FD,0x0FE};


void delay(uint ms)
{
        uint i,j;
	for(i=0;i<ms;i++)
	   {
	   for(j=0;j<1141;j++);
       }
}

void main()
{
	int i;
	   DDRA=0xff;	
		DDRC=0xff;
	while(1)
	{		
		for(i=0;i<8;i++)
		{
			
			PORTA=tabP0[i];
			PORTC=tabP2[i];
			delay(1);
			
			
		}		
	}
}