I trying to use Erle-Copter in an indoor environment (GPS-denied).
Now, I can use fake GPS topic that converted from 3D-SLAM on a simulator.
I also can use flight mode "GUIDED" using fake GPS.
Next, I want to use this system in a real world, but I have a problem.
My question is How can I send GPS data (sensor_msgs/NavSatFix) to Erle-Copter ?
On a simulator, I published ROS topic "/erlecopter/fix" and "erlecopter/fix_velocity".
Publishing them I can get "GPS_fix" (thanks for working "ardupilot_sitl_gazebo_plugin").
I think that by writing a program like a simulator program, I can get "GPS_fix".
But, I don't know how to send GPS port from other PC.
Please tell me, how to send GPS data to Erle-Copter by using wifi network ? or If you have another Idea.