Logictech USB HID controller message

Posted by rross on Stack Overflow See other posts from Stack Overflow or by rross
Published on 2010-06-10T01:46:53Z Indexed on 2010/06/10 1:52 UTC
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c#

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windows-xp

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usb

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hid

I have a Logitech game controller(http://www.amazon.com/Logitech-Dual-Action-Game-Pad/dp/B0000ALFCI). I'm using c# and Microsoft's HID driver to track what buttons are being pressed. Each button press sends a Byte Array that has 8 values. The problems is that I don't know what those 8 value represent. Here is an example:

0, 128, 126, 127, 130, 24, 24, 0, 4, 252
0, 128, 126, 127, 130, 40, 40, 0, 4, 252
0, 128, 126, 127, 127, 72, 72, 0, 4, 252
0, 128, 126, 127, 127, 136, 136, 0, 4, 252

Those are the values of the Byte Array for button press 1, 2, 3, 4 respectively. I see where the values are changing, but I'm unsure what they represent. I'm unable to find any specs on Microsoft HID driver. Can someone point me in the right direction?

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