#include "posutil.hh"



/**
 * @param channel A IEEE 802.11 channel.
 * @return The frequency in Hz or 0 if the channel is wrong.
 * Note that if \em channel is a frequency in Hz, this function will
 * consider it as a wrong value and return 0.
 */
unsigned int PosUtil::channel_to_frequency(const int &channel)
{
  switch (channel)
    {
    case 1:
    case CHANNEL_1:
      return CHANNEL_1 ;
    case 2:
    case CHANNEL_2:
      return CHANNEL_2 ;
    case 3:
    case CHANNEL_3:
      return CHANNEL_3 ;
    case 4:
    case CHANNEL_4:
      return CHANNEL_4 ;
    case 5:
    case CHANNEL_5:
      return CHANNEL_5 ;
    case 6:
    case CHANNEL_6:
      return CHANNEL_6 ;
    case 7:
    case CHANNEL_7:
      return CHANNEL_7 ;
    case 8:
    case CHANNEL_8:
      return CHANNEL_8 ;
    case 9:
    case CHANNEL_9:
      return CHANNEL_9 ;
    case 10:
    case CHANNEL_10:
      return CHANNEL_10 ;
    case 11:
    case CHANNEL_11:
      return CHANNEL_11 ;
    case 12:
    case CHANNEL_12:
      return CHANNEL_12 ;
    case 13:
    case CHANNEL_13:
      return CHANNEL_13 ;
    case 14:
    case CHANNEL_14:
      return CHANNEL_14 ;
    }

  return 0 ; // Error: wrong channel value
}