看看自己编的另类流水灯，你见过么？

只看该作者 · 2011-11-24 14:44

#include<reg52.h>
#define led P1

void led_liang(unsigned int i);
void led_an(unsigned int i);
void Delay(unsigned int t);

void main()
{

led_an(0);

led_liang(1);

led_an(1);

led_liang(2);

led_an(2);

led_liang(3);

led_an(3);

led_liang(4);

led_an(4);

led_liang(5);

led_an(5);

led_liang(6);

led_an(6);

led_liang(7);

led_an(7);

}

void led_liang(unsigned int i)
{
unsigned int CYCLE=300,PWM_LOW=0;

unsigned int j;
led=0xff;
Delay(30000) ;
    led=0xfe;
for(j=0;j<i;j++)
{
led<<=1;
   led|=0x01 ;
   }





for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW++)
{ unsigned char temp;

   led=led;
temp=led;

   Delay(PWM_LOW);
   led=led|(~led);
          Delay(CYCLE-PWM_LOW);
   led=led&temp;
}


}

void led_an(unsigned int i)
{
unsigned int CYCLE=300,PWM_LOW=0;
   unsigned int j;
unsigned int t;
led=0xfe;

for(j=0;j<i;j++)
{
led<<=1;
   led|=0x01 ;


   }
for(PWM_LOW=CYCLE-1;PWM_LOW>0;PWM_LOW--)
{    unsigned char temp;
   unsigned char temp1;


temp=led;
temp1=t;
   Delay(PWM_LOW);
     led=led|(~led);
          Delay(CYCLE-PWM_LOW);
led=led&temp;

} }
void Delay(unsigned int t)
{
while(--t);
}