STC12C5412AD IO口设置函数

zhangfazhong | 2007-12-27 17:14:55 阅读：8252

/******************************************************************************
    函数：void IOInitial(unsigned char ionum,unsigned char iomod)
    时间：2007.11.05
    编者：zhangfazhong
    状态：已测通过
******************************************************************************/
void IOInitial(unsigned char ionum,unsigned char iomod)
/*ionum io口   iomod io模式
//0 1 2 3               M0 M1    功能
                            0 0     准双向口
                            0 1     推挽输出
                            1 0     仅为输入
                            1 1     开漏极输出

*/
{
switch (ionum)
{
  case 0:
   switch (iomod)
   {
    case 0x00:
     P0M0 = 0x00;
     P0M1 = 0x00;
     break;
    case 0x01:
     P0M0 = 0x00;
     P0M1 = 0xff;
     break;
    case 0x10:
     P0M0 = 0xff;
     P0M1 = 0x00;
     break;
    case 0x11:
     P0M0 = 0xff;
     P0M1 = 0xff;
     break;
    default: break;
   }
   break;
  case 1:
   switch (iomod)
   {
    case 0x00:
     P1M0 = 0x00;
     P1M1 = 0x00;
     break;
    case 0x01:
     P1M0 = 0x00;
     P1M1 = 0xff;
     break;
    case 0x10:
     P1M0 = 0xff;
     P1M1 = 0x00;
     break;
    case 0x11:
     P1M0 = 0xff;
     P1M1 = 0xff;
     break;
    default: break;
   }
   break;
  case 2:
   switch (iomod)
   {
    case 0x00:
     P2M0 = 0x00;
     P2M1 = 0x00;
     break;
    case 0x01:
     P2M0 = 0x00;
     P2M1 = 0xff;
     break;
    case 0x10:
     P2M0 = 0xff;
     P2M1 = 0x00;
     break;
    case 0x11:
     P2M0 = 0xff;
     P2M1 = 0xff;
     break;
    default: break;
   }
   break;
  case 3:
   switch (iomod)
   {
    case 0x00:
     P3M0 = 0x00;
     P3M1 = 0x00;
     break;
    case 0x01:
     P3M0 = 0x00;
     P3M1 = 0xff;
     break;
    case 0x10:
     P3M0 = 0xff;
     P3M1 = 0x00;
     break;
    case 0x11:
     P3M0 = 0xff;
     P3M1 = 0xff;
     break;
    default: break;
   }
   break;
  default: break;
}
}

/******************************************************************************
    函数：PortBitSet(unsigned char ionum,unsigned char bitnum,unsigned char bitmod)
    日期：2007.11.04
    编者：zhangfazhong
    状态：已测通过
******************************************************************************/
void PortBitSet(unsigned char ionum,unsigned char bitnum,unsigned char bitmod)
/*
ionum    bitnum    bitmod
0     0     00
           01
           10
           11
      1     00
           01
           10
           11
        *
        *
        *
*/
{
switch (ionum)
{
///////////////////////////////////////////////////////////////////////////
  case 0:    //P0口
   switch (bitnum)
   {
    case 0:  //0位
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xfe;
       P0M1 = P0M1 & 0xfe;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xfe;
       P0M1 = P0M1 | 0x01;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x01;
       P0M1 = P0M1 & 0xfe;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x01;
       P0M1 = P0M1 | 0x01;
       break;
      default : break;
     }
     break;
    case 1:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xfd;
       P0M1 = P0M1 & 0xfd;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xfd;
       P0M1 = P0M1 | 0x02;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x02;
       P0M1 = P0M1 & 0xfd;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x02;
       P0M1 = P0M1 | 0x02;
       break;
      default : break;
     }
     break;
    case 2:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xfb;
       P0M1 = P0M1 & 0xfb;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xfb;
       P0M1 = P0M1 | 0x04;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x04;
       P0M1 = P0M1 & 0xfb;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x04;
       P0M1 = P0M1 | 0x04;
       break;
      default : break;
     }
     break;
    case 3:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xf7;
       P0M1 = P0M1 & 0xf7;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xf7;
       P0M1 = P0M1 | 0x08;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x08;
       P0M1 = P0M1 & 0xf7;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x08;
       P0M1 = P0M1 | 0x08;
       break;
      default : break;
     }
     break;
    case 4:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xef;
       P0M1 = P0M1 & 0xef;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xef;
       P0M1 = P0M1 | 0x10;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x10;
       P0M1 = P0M1 & 0xef;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x10;
       P0M1 = P0M1 | 0x10;
       break;
      default : break;
     }
     break;
    case 5:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xdf;
       P0M1 = P0M1 & 0xdf;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xdf;
       P0M1 = P0M1 | 0x20;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x20;
       P0M1 = P0M1 & 0xdf;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x20;
       P0M1 = P0M1 | 0x20;
       break;
      default : break;
     }
     break;
    case 6:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0xbf;
       P0M1 = P0M1 & 0xbf;
       break;
      case 0x01:
       P0M0 = P0M0 & 0xbf;
       P0M1 = P0M1 | 0x40;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x40;
       P0M1 = P0M1 & 0xbf;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x40;
       P0M1 = P0M1 | 0x40;
       break;
      default : break;
     }
     break;
    case 7:
     switch (bitmod)
     {
      case 0x00:
       P0M0 = P0M0 & 0x7f;
       P0M1 = P0M1 & 0x7f;
       break;
      case 0x01:
       P0M0 = P0M0 & 0x7f;
       P0M1 = P0M1 | 0x80;
       break;
      case 0x10:
       P0M0 = P0M0 | 0x80;
       P0M1 = P0M1 & 0x7f;
       break;
      case 0x11:
       P0M0 = P0M0 | 0x80;
       P0M1 = P0M1 | 0x80;
       break;
      default : break;
     }
     break;
    default : break;
   }
   break;
///////////////////////////////////////////////////////////////////////////////
  case 1:
   switch (bitnum)
   {
    case 0:  //0位
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xfe;
       P1M1 = P1M1 & 0xfe;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xfe;
       P1M1 = P1M1 | 0x01;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x01;
       P1M1 = P1M1 & 0xfe;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x01;
       P1M1 = P1M1 | 0x01;
       break;
      default : break;
     }
     break;
    case 1:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xfd;
       P1M1 = P1M1 & 0xfd;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xfd;
       P1M1 = P1M1 | 0x02;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x02;
       P1M1 = P1M1 & 0xfd;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x02;
       P1M1 = P1M1 | 0x02;
       break;
      default : break;
     }
     break;
    case 2:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xfb;
       P1M1 = P1M1 & 0xfb;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xfb;
       P1M1 = P1M1 | 0x04;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x04;
       P1M1 = P1M1 & 0xfb;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x04;
       P1M1 = P1M1 | 0x04;
       break;
      default : break;
     }
     break;
    case 3:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xf7;
       P1M1 = P1M1 & 0xf7;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xf7;
       P1M1 = P1M1 | 0x08;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x08;
       P1M1 = P1M1 & 0xf7;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x08;
       P1M1 = P1M1 | 0x08;
       break;
      default : break;
     }
     break;
    case 4:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xef;
       P1M1 = P1M1 & 0xef;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xef;
       P1M1 = P1M1 | 0x10;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x10;
       P1M1 = P1M1 & 0xef;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x10;
       P1M1 = P1M1 | 0x10;
       break;
      default : break;
     }
     break;
    case 5:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xdf;
       P1M1 = P1M1 & 0xdf;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xdf;
       P1M1 = P1M1 | 0x20;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x20;
       P1M1 = P1M1 & 0xdf;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x20;
       P1M1 = P1M1 | 0x20;
       break;
      default : break;
     }
     break;
    case 6:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0xbf;
       P1M1 = P1M1 & 0xbf;
       break;
      case 0x01:
       P1M0 = P1M0 & 0xbf;
       P1M1 = P1M1 | 0x40;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x40;
       P1M1 = P1M1 & 0xbf;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x40;
       P1M1 = P1M1 | 0x40;
       break;
      default : break;
     }
     break;
    case 7:
     switch (bitmod)
     {
      case 0x00:
       P1M0 = P1M0 & 0x7f;
       P1M1 = P1M1 & 0x7f;
       break;
      case 0x01:
       P1M0 = P1M0 & 0x7f;
       P1M1 = P1M1 | 0x80;
       break;
      case 0x10:
       P1M0 = P1M0 | 0x80;
       P1M1 = P1M1 & 0x7f;
       break;
      case 0x11:
       P1M0 = P1M0 | 0x80;
       P1M1 = P1M1 | 0x80;
       break;
      default : break;
     }
     break;
    default : break;
   }
   break;
///////////////////////////////////////////////////////////////////
  case 2:
   switch (bitnum)
   {
    case 0:  //0位
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xfe;
       P2M1 = P2M1 & 0xfe;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xfe;
       P2M1 = P2M1 | 0x01;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x01;
       P2M1 = P2M1 & 0xfe;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x01;
       P2M1 = P2M1 | 0x01;
       break;
      default : break;
     }
     break;
    case 1:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xfd;
       P2M1 = P2M1 & 0xfd;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xfd;
       P2M1 = P2M1 | 0x02;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x02;
       P2M1 = P2M1 & 0xfd;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x02;
       P2M1 = P2M1 | 0x02;
       break;
      default : break;
     }
     break;
    case 2:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xfb;
       P2M1 = P2M1 & 0xfb;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xfb;
       P2M1 = P2M1 | 0x04;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x04;
       P2M1 = P2M1 & 0xfb;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x04;
       P2M1 = P2M1 | 0x04;
       break;
      default : break;
     }
     break;
    case 3:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xf7;
       P2M1 = P2M1 & 0xf7;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xf7;
       P2M1 = P2M1 | 0x08;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x08;
       P2M1 = P2M1 & 0xf7;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x08;
       P2M1 = P2M1 | 0x08;
       break;
      default : break;
     }
     break;
    case 4:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xef;
       P2M1 = P2M1 & 0xef;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xef;
       P2M1 = P2M1 | 0x10;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x10;
       P2M1 = P2M1 & 0xef;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x10;
       P2M1 = P2M1 | 0x10;
       break;
      default : break;
     }
     break;
    case 5:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xdf;
       P2M1 = P2M1 & 0xdf;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xdf;
       P2M1 = P2M1 | 0x20;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x20;
       P2M1 = P2M1 & 0xdf;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x20;
       P2M1 = P2M1 | 0x20;
       break;
      default : break;
     }
     break;
    case 6:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0xbf;
       P2M1 = P2M1 & 0xbf;
       break;
      case 0x01:
       P2M0 = P2M0 & 0xbf;
       P2M1 = P2M1 | 0x40;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x40;
       P2M1 = P2M1 & 0xbf;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x40;
       P2M1 = P2M1 | 0x40;
       break;
      default : break;
     }
     break;
    case 7:
     switch (bitmod)
     {
      case 0x00:
       P2M0 = P2M0 & 0x7f;
       P2M1 = P2M1 & 0x7f;
       break;
      case 0x01:
       P2M0 = P2M0 & 0x7f;
       P2M1 = P2M1 | 0x80;
       break;
      case 0x10:
       P2M0 = P2M0 | 0x80;
       P2M1 = P2M1 & 0x7f;
       break;
      case 0x11:
       P2M0 = P2M0 | 0x80;
       P2M1 = P2M1 | 0x80;
       break;
      default : break;
     }
     break;
    default : break;
   }
   break;
////////////////////////////////////////////////////////////////////////////
  case 3:
   switch (bitnum)
   {
    case 0:  //0位
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xfe;
       P3M1 = P3M1 & 0xfe;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xfe;
       P3M1 = P3M1 | 0x01;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x01;
       P3M1 = P3M1 & 0xfe;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x01;
       P3M1 = P3M1 | 0x01;
       break;
      default : break;
     }
     break;
    case 1:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xfd;
       P3M1 = P3M1 & 0xfd;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xfd;
       P3M1 = P3M1 | 0x02;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x02;
       P3M1 = P3M1 & 0xfd;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x02;
       P3M1 = P3M1 | 0x02;
       break;
      default : break;
     }
     break;
    case 2:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xfb;
       P3M1 = P3M1 & 0xfb;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xfb;
       P3M1 = P3M1 | 0x04;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x04;
       P3M1 = P3M1 & 0xfb;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x04;
       P3M1 = P3M1 | 0x04;
       break;
      default : break;
     }
     break;
    case 3:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xf7;
       P3M1 = P3M1 & 0xf7;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xf7;
       P3M1 = P3M1 | 0x08;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x08;
       P3M1 = P3M1 & 0xf7;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x08;
       P3M1 = P3M1 | 0x08;
       break;
      default : break;
     }
     break;
    case 4:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xef;
       P3M1 = P3M1 & 0xef;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xef;
       P3M1 = P3M1 | 0x10;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x10;
       P3M1 = P3M1 & 0xef;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x10;
       P3M1 = P3M1 | 0x10;
       break;
      default : break;
     }
     break;
    case 5:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xdf;
       P3M1 = P3M1 & 0xdf;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xdf;
       P3M1 = P3M1 | 0x20;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x20;
       P3M1 = P3M1 & 0xdf;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x20;
       P3M1 = P3M1 | 0x20;
       break;
      default : break;
     }
     break;
    case 6:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0xbf;
       P3M1 = P3M1 & 0xbf;
       break;
      case 0x01:
       P3M0 = P3M0 & 0xbf;
       P3M1 = P3M1 | 0x40;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x40;
       P3M1 = P3M1 & 0xbf;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x40;
       P3M1 = P3M1 | 0x40;
       break;
      default : break;
     }
     break;
    case 7:
     switch (bitmod)
     {
      case 0x00:
       P3M0 = P3M0 & 0x7f;
       P3M1 = P3M1 & 0x7f;
       break;
      case 0x01:
       P3M0 = P3M0 & 0x7f;
       P3M1 = P3M1 | 0x80;
       break;
      case 0x10:
       P3M0 = P3M0 | 0x80;
       P3M1 = P3M1 & 0x7f;
       break;
      case 0x11:
       P3M0 = P3M0 | 0x80;
       P3M1 = P3M1 | 0x80;
       break;
      default : break;
     }
     break;
    default : break;
   }
   break;
  default :break;
}
}

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