標(biāo)題:
基于at89c51單片機(jī)的雙速電機(jī)
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作者:
yhjy
時(shí)間:
2019-12-14 16:06
標(biāo)題:
基于at89c51單片機(jī)的雙速電機(jī)
以下是雙速電機(jī)的代碼和proteus與大家共享
51hei.png
(155.74 KB, 下載次數(shù): 37)
下載附件
2019-12-14 16:52 上傳
單片機(jī)源程序如下:
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit KEY1=P2^0;
sbit KEY2=P2^1;
sbit KEY3=P2^2;
sbit CONTR1=P2^3;
sbit CONTR2=P2^4;
void DelayMS(uint x)
{
uchar i;
while(x--)
{
for(i=0;i<120;i++);
}
}
void KEYSCAN()
{
if(KEY1==0)
{
DelayMS(2);
if(KEY1==0)
{
while(!KEY1);
CONTR1=0;
CONTR2=1;
}
}
if(KEY2==0)
{
DelayMS(2);
if(KEY2==0)
{
while(!KEY2);
CONTR1=1;
CONTR2=0;
}
}
{
if(KEY3==1)
{
DelayMS(2);
if(KEY3==0)
{
while(!KEY3);
CONTR1=1;
CONTR2=1;
}
}
}
}
void main()
{
while(1)
{
KEYSCAN();
}
}
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