(* KeyBoardLEDs.def provides access to the keyboard LEDs under Linux. Copyright (C) 2002-2025 Free Software Foundation, Inc. Contributed by Gaius Mulley . This file is part of GNU Modula-2. GNU Modula-2 is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . *) DEFINITION MODULE KeyBoardLEDs ; EXPORT QUALIFIED SwitchLeds, SwitchScroll, SwitchNum, SwitchCaps ; (* SwitchLeds - switch the keyboard LEDs to the state defined by the BOOLEAN variables. TRUE = ON. *) PROCEDURE SwitchLeds (NumLock, CapsLock, ScrollLock: BOOLEAN) ; (* SwitchScroll - switchs the scroll LED on or off. *) PROCEDURE SwitchScroll (Scroll: BOOLEAN) ; (* SwitchNum - switches the Num LED on or off. *) PROCEDURE SwitchNum (Num: BOOLEAN) ; (* SwitchCaps - switches the Caps LED on or off. *) PROCEDURE SwitchCaps (Caps: BOOLEAN) ; END KeyBoardLEDs.