CHDK usb trigger

Hi,

I have a Canon S100 with CHDK, the E-flite EFLA600, Sparkfun step-up board and this cable http://www.kapshop.com/p274/Canon-11-pin-for-CHDK/SDM-and-Video-out/product_info.html

I have soldered and connected to Pixhawk. I can measure 3.3v pulses from

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