流水燈設(shè)計(jì)及蜂鳴器控制C程序代碼

ID:169931 · 發(fā)表于 2017-3-11 20:16

#include<reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
uchar temp,num,num1;
sbit beep=P2^3;
void delay(uint);

void main()
{

temp=0xfe;
while(1)
{
for(num1=0;num1<3;num1++)
{
for(num=0;num<8;num++)
{
P1=temp;
beep=0;
delay(100);
temp=_crol_(temp,1);
P1=0xff;
beep=1;
delay(100);
}
}
for(num1=0;num1<3;num1++)
{
for(num=0;num<8;num++)
{
P1=temp;
beep=0;
delay(100);
temp=_cror_(temp,1);
P1=0xff;
beep=1;
delay(100);
}
}
while(1);
}
}

void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}

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