From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267619AbUGWKyP (ORCPT ); Fri, 23 Jul 2004 06:54:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267621AbUGWKyP (ORCPT ); Fri, 23 Jul 2004 06:54:15 -0400 Received: from coyote.holtmann.net ([217.160.111.169]:64680 "EHLO mail.holtmann.net") by vger.kernel.org with ESMTP id S267619AbUGWKyN (ORCPT ); Fri, 23 Jul 2004 06:54:13 -0400 Subject: Re: User-space Keyboard input? From: Marcel Holtmann To: Mario Lang Cc: Linux Kernel Mailing List In-Reply-To: <87y8lb80yj.fsf@lexx.delysid.org> References: <87y8lb80yj.fsf@lexx.delysid.org> Content-Type: text/plain Message-Id: <1090580051.4791.24.camel@pegasus> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 23 Jul 2004 12:54:12 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Mario, > I'm working on BRLTTY[1], a user-space daemon which handles braille displays > on UNIX platforms. One of our display drivers recently gained the ability > to receive (set 2) scancodes from a keyboard connected directly to the display. > This is a very cool feature, since the display in question has > a bluetooth interface, making it effectively into a complete wireless > terminal (input and output through the same connection). tell me more about this Bluetooth device. > However, this creates some problems. First of all, we now have to deal > with keyboard layouts. Additionally, since we currently insert via > TIOCSTI I think this might get problematic as soon as one switches > to an X Windows console and modifiers come into play. > > Does anyone know (and can point me into the right direction) if > Linux has some mechanism to allow for user-space keyboard data to > be processed by the kernel as if it were received from the system > keyboard? I.e., keyboard layout would be handled by the same > mapping which is configured for the system. Take a look at the user level driver support (uinput). Regards Marcel