Before you use this package as ros package, you need to follow some step below.

---

<HOW-TO-USE GAZEBO-SITL-SIMULATION>
1. cd Firmware directory or roscd px4(Firmware가 ROS package로 설정된 경우.)
2. make px4_sitl_default
3. cd (path of your catkin workspace) && catkin_make
4. roslaunch px4_sitl_duck px4_sitl.launch

---

+++ dual shock filght -> python dualshock_mavros.py