/*************************************************
程序名称：6种闪烁流水灯变化
编译环境：CVAVR / 基于AVR
硬件对象：XY900_USB型学习开发系统板
单 片 机： ATmega8515   PC端口输出
月夜听风   mcusy_cn@126.com     http://www.mcusy.cn
*************************************************/
#include <mega8515.h>
#include <delay.h>
//--------------------------------------------
void LED_OUT(void)
{
     unsigned char num;
     for(num=3;num>0;num--)//闪烁3次
           {
               DDRC=0xff; PORTC=0x00;//点亮全部
               delay_ms(500);//延时约0.5S
               PORTC=0xff;//熄灭全部
               delay_ms(500);//延时约0.5S
           }
     for(num=3;num>0;num--)//交叉3次
           {
               DDRC=0xff;PORTC=0x55;//点亮全部
               delay_ms(300);//延时约0.3S
               PORTC=0xaa;//熄灭全部
               delay_ms(300);//延时约0.3S
           }
}
void led_1(unsigned char i)
{
switch(i)   //选择
       {
         case 1:PORTC=0xfe;break; //1111 1110
         case 2:PORTC=0xfd;break; //...
         case 3:PORTC=0xfb;break; //...
         case 4:PORTC=0xf7;break; //...
         case 5:PORTC=0xef;break; //...
         case 6:PORTC=0xdf;break; //...
         case 7:PORTC=0xbf;break; //...
         case 8:PORTC=0x7f;break; //0111 1111
         default:break;
       }
}    
void led_2(unsigned char j)
{
switch(j)   //选择
       {
         case 1:PORTC=0x7f;break; //0111 1111
         case 2:PORTC=0xbf;break; //...
         case 3:PORTC=0xdf;break; //...
         case 4:PORTC=0xef;break; //...
         case 5:PORTC=0xf7;break; //...
         case 6:PORTC=0xfb;break; //...
         case 7:PORTC=0xfd;break; //...
         case 8:PORTC=0xfe;break; //1111 1110
         default:break;
       }
}    
void led_3(unsigned char n)//高低电平点亮（暗涌式）
{
switch(n)   //选择
       {
         case 1:PORTC=0x01;break; //0000 0001
         case 2:PORTC=0x02;break; //...
         case 3:PORTC=0x04;break; //...
         case 4:PORTC=0x08;break; //...
         case 5:PORTC=0x10;break; //...
         case 6:PORTC=0x20;break; //...
         case 7:PORTC=0x40;break; //...
         case 8:PORTC=0x80;break; //1000 0000
         default:break;
       }
}
void led_4(unsigned char g)//高低电平点亮（暗涌式）
{
switch(g)   //选择
       {
         case 1:PORTC=0x80;break; //1000 0000
         case 2:PORTC=0x40;break; //...
         case 3:PORTC=0x20;break; //...
         case 4:PORTC=0x10;break; //...
         case 5:PORTC=0x08;break; //...
         case 6:PORTC=0x04;break; //...
         case 7:PORTC=0x02;break; //...
         case 8:PORTC=0x01;break; //0000 0001
         default:break;
       }
}
//-------------------------------------------
void main()
{    
unsigned char temp,a,b,c,d;
while(1)//死循环
     {
         LED_OUT();//调用闪烁子函数
         for(temp=0;temp<3;temp++)//变化3次
                 {
                     for(a=8;a>0;a--)
                         {
                           led_1(a); //单灯左移
                           delay_ms(100); //0.1S
                         }                        
                 }
         for(temp=0;temp<3;temp++)//变化3次
                 {
                     for(b=8;b>0;b--)
                         {
                           led_2(b); //单灯右移
                           delay_ms(100);
                         }                        
                 }          
         for(temp=0;temp<3;temp++)//变化3次
                 {
                     for(c=8;c>0;c--)
                         {
                           led_3(c); //单灯暗涌左移
                           delay_ms(100);
                         }                        
                 }
         for(temp=0;temp<3;temp++)//变化3次
                 {
                     for(d=8;d>0;d--)
                         {
                           led_4(d); //单灯暗涌右移
                           delay_ms(100);
                         }                        
                 }                    
   }
}