Single chip microcomputer EC1 digital rotary encoder simulation program-EEWORLD

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一个按键正转,另一个按键反转.模拟输出编码信号.正转1110 00 10  反转11 01 00 01
//1H=GP2  2H=GP1  3H=GP0  4H=GP4  KEY=GP3
QQ picture 20170706075725.png
#include
__CONFIG(0xFEA);
#define uchar unsigned char
#define CW_A GP4 //
#define CW_B GP5 //
#define KEY_A GP0 //
#define KEY_B GP1 //
uchar tmp=1,at=0;

void delay_ms(unsigned int count)
{unsigned char i,j;
for(i=0;ifor(j=0;j<120;j++);
}

void main()
{
TRIS=0x03;
OPTION=0;
KEY_A=1;KEY_B=1;CW_A=0;CW_B=0;
while(1)
{
  if(CW_A==0&&CW_B==0)
  {if(KEY_A==0)
{delay_ms(10);
if(KEY_A==1)
{CW_A=1;CW_B=0;delay_ms(200);CW_A=1;CW_B=1;}
}
if(KEY_B==0)
{delay_ms(10);
if(KEY_B==1)
{CW_A=0;CW_B=1;delay_ms(200);CW_A=1;CW_B=1;}
}
  }

  if(CW_A==1&&CW_B==1)
  {if(KEY_A==0)
{delay_ms(10);
if(KEY_A==1)
{CW_A=0;CW_B=1;delay_ms(200);CW_A=0;CW_B=0;}
}
if(KEY_B==0)
{delay_ms(10);
if(KEY_B==1)
{CW_A=1;CW_B=0;delay_ms(200);CW_A=0;CW_B=0;}
}
  }
}
}

Keywords：MCU Reference address：Single chip microcomputer EC1 digital rotary encoder simulation program

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