mavsdk::Transponder Class Reference ​
#include: transponder.h
Allow users to get ADS-B information and set ADS-B update rates.
Data Structures ​
struct AdsbVehicle
Public Types ​
| Type | Description |
|---|---|
| enum AdsbEmitterType | ADSB classification for the type of vehicle emitting the transponder signal. |
| enum AdsbAltitudeType | Altitude type used in AdsbVehicle message. |
| enum Result | Possible results returned for transponder requests. |
| std::function< void(Result)> ResultCallback | Callback type for asynchronous Transponder calls. |
| std::function< void(AdsbVehicle)> TransponderCallback | Callback type for subscribe_transponder. |
| Handle< AdsbVehicle > TransponderHandle | Handle type for subscribe_transponder. |
Public Member Functions ​
| Type | Name | Description |
|---|---|---|
| Â | Transponder (System & system) | Constructor. Creates the plugin for a specific System. |
| Â | Transponder (std::shared_ptr< System > system) | Constructor. Creates the plugin for a specific System. |
| Â | ~Transponder () override | Destructor (internal use only). |
| Â | Transponder (const Transponder & other) | Copy constructor. |
| TransponderHandle | subscribe_transponder (const TransponderCallback & callback) | Subscribe to 'transponder' updates. |
| void | unsubscribe_transponder (TransponderHandle handle) | Unsubscribe from subscribe_transponder. |
| AdsbVehicle | transponder () const | Poll for 'AdsbVehicle' (blocking). |
| void | set_rate_transponder_async (double rate_hz, const ResultCallback callback) | Set rate to 'transponder' updates. |
| Result | set_rate_transponder (double rate_hz)const | Set rate to 'transponder' updates. |
| const Transponder & | operator= (const Transponder &)=delete | Equality operator (object is not copyable). |
Constructor & Destructor Documentation ​
Transponder() ​
mavsdk::Transponder::Transponder(System &system)Constructor. Creates the plugin for a specific System.
The plugin is typically created as shown below:
auto transponder = Transponder(system);Parameters
- System& system - The specific system associated with this plugin.
Transponder() ​
mavsdk::Transponder::Transponder(std::shared_ptr< System > system)Constructor. Creates the plugin for a specific System.
The plugin is typically created as shown below:
auto transponder = Transponder(system);Parameters
- std::shared_ptr< System > system - The specific system associated with this plugin.
~Transponder() ​
mavsdk::Transponder::~Transponder() overrideDestructor (internal use only).
Transponder() ​
mavsdk::Transponder::Transponder(const Transponder &other)Copy constructor.
Parameters
- const Transponder& other -
Member Typdef Documentation ​
typedef ResultCallback ​
using mavsdk::Transponder::ResultCallback = std::function<void(Result)>Callback type for asynchronous Transponder calls.
typedef TransponderCallback ​
using mavsdk::Transponder::TransponderCallback = std::function<void(AdsbVehicle)>Callback type for subscribe_transponder.
typedef TransponderHandle ​
using mavsdk::Transponder::TransponderHandle = Handle<AdsbVehicle>Handle type for subscribe_transponder.
Member Enumeration Documentation ​
enum AdsbEmitterType ​
ADSB classification for the type of vehicle emitting the transponder signal.
| Value | Description |
|---|---|
NoInfo | No emitter info.. |
Light | Light emitter.. |
Small | Small emitter.. |
Large | Large emitter.. |
HighVortexLarge | High vortex emitter.. |
Heavy | Heavy emitter.. |
HighlyManuv | Highly maneuverable emitter.. |
Rotocraft | Rotorcraft emitter.. |
Unassigned | Unassigned emitter.. |
Glider | Glider emitter.. |
LighterAir | Lighter air emitter.. |
Parachute | Parachute emitter.. |
UltraLight | Ultra light emitter.. |
Unassigned2 | Unassigned2 emitter.. |
Uav | UAV emitter.. |
Space | Space emitter.. |
Unassgined3 | Unassigned3 emitter.. |
EmergencySurface | Emergency emitter.. |
ServiceSurface | Service surface emitter.. |
PointObstacle | Point obstacle emitter.. |
enum AdsbAltitudeType ​
Altitude type used in AdsbVehicle message.
| Value | Description |
|---|---|
PressureQnh | Altitude reported from a Baro source using QNH reference. |
Geometric | Altitude reported from a GNSS source. |
enum Result ​
Possible results returned for transponder requests.
| Value | Description |
|---|---|
Unknown | Unknown result. |
Success | Success: the transponder command was accepted by the vehicle. |
NoSystem | No system connected. |
ConnectionError | Connection error. |
Busy | Vehicle is busy. |
CommandDenied | Command refused by vehicle. |
Timeout | Request timed out. |
Member Function Documentation ​
subscribe_transponder() ​
TransponderHandle mavsdk::Transponder::subscribe_transponder(const TransponderCallback &callback)Subscribe to 'transponder' updates.
Parameters
- const TransponderCallback& callback -
Returns
 TransponderHandle -
unsubscribe_transponder() ​
void mavsdk::Transponder::unsubscribe_transponder(TransponderHandle handle)Unsubscribe from subscribe_transponder.
Parameters
- TransponderHandle handle -
transponder() ​
AdsbVehicle mavsdk::Transponder::transponder() constPoll for 'AdsbVehicle' (blocking).
Returns
 AdsbVehicle - One AdsbVehicle update.
set_rate_transponder_async() ​
void mavsdk::Transponder::set_rate_transponder_async(double rate_hz, const ResultCallback callback)Set rate to 'transponder' updates.
This function is non-blocking. See 'set_rate_transponder' for the blocking counterpart.
Parameters
- double rate_hz -
- const ResultCallback callback -
set_rate_transponder() ​
Result mavsdk::Transponder::set_rate_transponder(double rate_hz) constSet rate to 'transponder' updates.
This function is blocking. See 'set_rate_transponder_async' for the non-blocking counterpart.
Parameters
- double rate_hz -
Returns
 Result - Result of request.
operator=() ​
const Transponder & mavsdk::Transponder::operator=(const Transponder &)=deleteEquality operator (object is not copyable).
Parameters
- const Transponder& -
Returns
 const Transponder & -