smg.c

来自「avr基础程序大全」· C语言 代码 · 共 20 行

#include"smg.h"
#include"delay.h"
#include <iom16v.h>
#include<macros.h>

uchar const  table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,
		           0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0XFF};
uchar const LED_W[8] = {0,1,2,3,4,5,6,7};	
void smginit(void)
{
  DDRA=0XFF;
 DDRC=0XFF;
}
void show(uchar j,uchar k)
{
      PORTA = table[j];		 // i 值的 个位数
	 PORTC = LED_W[k];		 //点亮第一位数码管
		
		Delay_1ms(2);
}