message: offboard: added result enum to string conversion
diff: @@ -37,4 +37,25 @@ void Offboard::set_velocity(VelocityNEDYaw velocity_ned_yaw)
  return _impl->set_velocity(velocity_ned_yaw);
  }
  +const char *Offboard::result_str(Result result)
  +{
  + switch (result) {
  + case Result::SUCCESS:
  + return "Success";
  + case Result::NO_DEVICE:
  + return "No device";
  + case Result::CONNECTION_ERROR:
  + return "Connection error";
  + case Result::BUSY:
  + return "Busy";
  + case Result::COMMAND_DENIED:
  + return "Command denied";
  + case Result::TIMEOUT:
  + return "Timeout";
  + case Result::UNKNOWN:
  + default:
  + return "Unknown";
  + }
  +}
  +
  } // namespace dronelink
  