"I realize this post is rather old. Here is an answer to those with the problem.
You need a .hex flasher. Xloader works for me http://xloader.russemotto.com/
Then get the latest APM 2.6 file from ardupilot found…"
"Hi, This is exactly what I was thinking of doing, I was just not sure if anyone had done it yet!
It is awesome that you have gotten it semi working.
I will install gstreamer on my RPI and test it out. First I will buy an RPI camera this week.
"Awesome! I am new to the UAV world as well. It is really cool to see more diversity in the hobby! I will work on getting my sister into it. So far she flies it around for a while and then crashes it into the garage and then spends 5 minutes laughing…"