临时.txt

msp430开发的驻波表测试仪 数字显示的,国内没有的哦

//前导,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,3.0,4.0,5.0  共15个
const unsigned int preset[]={20,55,70,85,100,115,130,145,160,175,200,300,400,500,1000};
const unsigned int showset[]={100,105,110,115,120,125,130,135,140,145,150,155,160,165,170,175,180,185,190,195,200,250,300,350,400,450,500,550,500,500};

//     swr=(l+r)*100/(l-r);
//        getswr(curr);

void getswr(unsigned int lr)
{
  char i;
  lr=lr*10;
  if(lr<preset[0])
  {
    swr=100;  
  }
  for(i=1;i<=14;i++)
  {
    if(lr<preset[i])  
    {
      if(lr<(preset[i]+preset[i-1])/2)
      {
        swr=showset[(i-1)*2];
      }
      else
      {
        swr=showset[(i-1)*2+1];
      }
      return;
    }
  }
}

************
unsigned char getpowerbl(unsigned int lr)
{
  char i;
  if(lr<=power_preset[0])
  {
    return (5);  
  }
  for(i=1;i<=6;i++)
  {
    if(lr<power_preset[i])  
    {
      return(power_bl[i-1]/10);
    }
  }
  return(2);  //  >=5.0
}