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Author Topic: Protocol for communicating over the USB port  (Read 5497 times)

Dman65

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Protocol for communicating over the USB port
« on: December 28, 2012, 06:29:04 PM »
Hello,

I was wondering if anyone knows where documentation can be found that discusses the protocol the Canon 5D Mark II uses for communicating with a PC for LiveView transmissions and camera control.

I have the SDK, but I would like to be able to access the camera directly over the USB so I can program for devices other than Windows.

Thank You
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nanomad

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R: Protocol for communicating over the USB port
« Reply #1 on: December 28, 2012, 08:31:49 PM »
It talks via PTP but it also uses custom Canon ptp commands. you can check the ptp stuff under contrib on the repository if you want to have a look at a cross platform implementation
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Indy

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Re: Protocol for communicating over the USB port
« Reply #2 on: December 28, 2012, 08:42:38 PM »
...and do not forget the Wiki
http://magiclantern.wikia.com/wiki/PTP

indy
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