Input Device

I'm trying to write a driver for my ePuppy USB device.

For those of you who aren't familiar with this, it's a simple USB device
that has 5 switches, an internal speaker and two internal LEDs that can
be turned on and off and the LEDs can be made to blink.

I have a libusb program that does everything and now I'm trying to
translate that into a kernel driver.  So far, I've taken the powermate.c
driver and I'm trying to figure out how things work by reading that and the
linux/Document/input/input*.txt files.

I'm currently trying to figure out how to determine what kinds of events get
generated.  Is that something that I define myself?  For instance in
input-programming.txt it has the button_init routine:

...

        button_dev.evbit[0] = BIT(EV_KEY);
        button_dev.keybit[LONG(BTN_0)] = BIT(BTN_0);

...

Is that what defines the type of event, or is that something that comes
from another part of the input driver?

-- 

			James Klaas


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