owlps/owlps-positioning/src/posutil.cc

#include "posutil.hh"
#include "posexcept.hh"

#include <owlps.h>



/* *** Wi-Fi *** */


/**
 * @param channel A IEEE 802.11 channel or frequency in MHz or in Hz.
 * @return The frequency in Hz.
 * @throw malformed_input_data if \em channel is not a valid channel or
 * frequency value.
 */
unsigned long PosUtil::wifi_channel_to_hz(const unsigned long &channel)
{
  switch (channel)
    {
    case 1:
    case OWL_80211_MHZ_CHANNEL_1:
    case OWL_80211_HZ_CHANNEL_1:
      return OWL_80211_HZ_CHANNEL_1 ;
    case 2:
    case OWL_80211_MHZ_CHANNEL_2:
    case OWL_80211_HZ_CHANNEL_2:
      return OWL_80211_HZ_CHANNEL_2 ;
    case 3:
    case OWL_80211_MHZ_CHANNEL_3:
    case OWL_80211_HZ_CHANNEL_3:
      return OWL_80211_HZ_CHANNEL_3 ;
    case 4:
    case OWL_80211_MHZ_CHANNEL_4:
    case OWL_80211_HZ_CHANNEL_4:
      return OWL_80211_HZ_CHANNEL_4 ;
    case 5:
    case OWL_80211_MHZ_CHANNEL_5:
    case OWL_80211_HZ_CHANNEL_5:
      return OWL_80211_HZ_CHANNEL_5 ;
    case 6:
    case OWL_80211_MHZ_CHANNEL_6:
    case OWL_80211_HZ_CHANNEL_6:
      return OWL_80211_HZ_CHANNEL_6 ;
    case 7:
    case OWL_80211_MHZ_CHANNEL_7:
    case OWL_80211_HZ_CHANNEL_7:
      return OWL_80211_HZ_CHANNEL_7 ;
    case 8:
    case OWL_80211_MHZ_CHANNEL_8:
    case OWL_80211_HZ_CHANNEL_8:
      return OWL_80211_HZ_CHANNEL_8 ;
    case 9:
    case OWL_80211_MHZ_CHANNEL_9:
    case OWL_80211_HZ_CHANNEL_9:
      return OWL_80211_HZ_CHANNEL_9 ;
    case 10:
    case OWL_80211_MHZ_CHANNEL_10:
    case OWL_80211_HZ_CHANNEL_10:
      return OWL_80211_HZ_CHANNEL_10 ;
    case 11:
    case OWL_80211_MHZ_CHANNEL_11:
    case OWL_80211_HZ_CHANNEL_11:
      return OWL_80211_HZ_CHANNEL_11 ;
    case 12:
    case OWL_80211_MHZ_CHANNEL_12:
    case OWL_80211_HZ_CHANNEL_12:
      return OWL_80211_HZ_CHANNEL_12 ;
    case 13:
    case OWL_80211_MHZ_CHANNEL_13:
    case OWL_80211_HZ_CHANNEL_13:
      return OWL_80211_HZ_CHANNEL_13 ;
    case 14:
    case OWL_80211_MHZ_CHANNEL_14:
    case OWL_80211_HZ_CHANNEL_14:
      return OWL_80211_HZ_CHANNEL_14 ;
    }

  // Error: wrong channel value
  throw bad_channel(channel) ;
}