On Sep 20, 2009, at 10:13 PM, Tom Isaacson wrote:
One of the things I need to do is implement a HIDInterfaceMatcher function that matches the Usage and Usage Page of the device. I’m assuming that I can get these values using hid_get_item_value() but I’m not sure what parameters it requires.
Most of the hid_* functions are not yet available when the HIDInterfaceMatcher function is called.
Unfortunately, reading the HID descriptor (and the ensuing Usage Page/ Usage values) is generally limited to programs or drivers which have claimed the HID interface already, and the HIDInterfaceMatcher function is called before a given device's interface is selected to be claimed.
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