Re: generating keyboard events from userspace

From: Dmitry Torokhov
Date: Sun Jan 15 2006 - 12:53:31 EST


On Sunday 15 January 2006 11:57, Philip Lawatsch wrote:
> Hi,
>
> I'm currently writing an userspace application (with libusb) which
> handles the LCD display on a logitech g15 keyboard.
>
> This keyboard consists of two usb devices + a usb hub. One device is the
> normal keyboard and the other device is the lcd + the special keys.
> Both devices get detected by the usb-hid driver.
>
> Now the problem is that in order to access the lcd from userspace I have
> to detach usb-hid driver from the interface so I can use it. (Or, I'd
> have to write a driver for it which I'd like to avoid).
>
> So, is there any way to "inject" events generated by pressing the keys
> on the device I'm handling myself back into the whole system from userspace?
>
> I'd really like to avoid writing a kernel mode driver for this.
>
> Any help would be appreciated (even redirecting me to a more suitable
> mailing list, I didn't find any)
>

You need uinput driver (drivers/input/misc/uinput.c)

--
Dmitry
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