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C++ NMEAInfo::ProvideTrueAirspeedWithAltitude方法代码示例

本文整理汇总了C++中NMEAInfo::ProvideTrueAirspeedWithAltitude方法的典型用法代码示例。如果您正苦于以下问题:C++ NMEAInfo::ProvideTrueAirspeedWithAltitude方法的具体用法?C++ NMEAInfo::ProvideTrueAirspeedWithAltitude怎么用?C++ NMEAInfo::ProvideTrueAirspeedWithAltitude使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在NMEAInfo的用法示例。


在下文中一共展示了NMEAInfo::ProvideTrueAirspeedWithAltitude方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: IAS

static bool
LXWP0(NMEAInputLine &line, NMEAInfo &info)
{
  /*
  $LXWP0,Y,222.3,1665.5,1.71,,,,,,239,174,10.1

   0 loger_stored (Y/N)
   1 IAS (kph) ----> Condor uses TAS!
   2 baroaltitude (m)
   3-8 vario (m/s) (last 6 measurements in last second)
   9 heading of plane
  10 windcourse (deg)
  11 windspeed (kph)
  */

  fixed value;

  line.Skip();

  fixed airspeed;
  bool tas_available = line.ReadChecked(airspeed);
  if (tas_available && (airspeed < fixed(-50) || airspeed > fixed(250)))
    /* implausible */
    return false;

  fixed alt = fixed_zero;
  if (line.ReadChecked(alt))
    /* a dump on a LX7007 has confirmed that the LX sends uncorrected
       altitude above 1013.25hPa here */
    info.ProvidePressureAltitude(alt);

  if (tas_available)
    info.ProvideTrueAirspeedWithAltitude(Units::ToSysUnit(airspeed,
                                                          Unit::KILOMETER_PER_HOUR),
                                         alt);

  if (line.ReadChecked(value))
    info.ProvideTotalEnergyVario(value);

  line.Skip(6);

  SpeedVector wind;
  if (ReadSpeedVector(line, wind))
    info.ProvideExternalWind(wind);

  return true;
}
开发者ID:osteocool,项目名称:XCSoar-1,代码行数:47,代码来源:Parser.cpp

示例2: IAS

static bool
cLXWP0(NMEAInputLine &line, NMEAInfo &info)
{
  /*
  $LXWP0,Y,222.3,1665.5,1.71,,,,,,239,174,10.1

   0 logger_stored (Y/N)
   1 IAS (kph) ----> Condor uses TAS!
   2 baroaltitude (m)
   3 vario (m/s)
   4-8 unknown
   9 heading of plane
  10 windcourse (deg)
  11 windspeed (kph)
  */

  fixed value;

  line.Skip();

  fixed airspeed;
  bool tas_available = line.ReadChecked(airspeed);

  fixed alt = line.Read(fixed_zero);

  if (tas_available)
    info.ProvideTrueAirspeedWithAltitude(Units::ToSysUnit(airspeed,
                                                               Unit::KILOMETER_PER_HOUR),
                                              alt);

  // ToDo check if QNH correction is needed!
  info.ProvideBaroAltitudeTrue(alt);

  if (line.ReadChecked(value))
    info.ProvideTotalEnergyVario(value);

  line.Skip(6);

  SpeedVector wind;
  if (ReadSpeedVector(line, wind))
    info.ProvideExternalWind(wind);

  return true;
}
开发者ID:alon,项目名称:xcsoar,代码行数:44,代码来源:Condor.cpp


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