| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2002 by Alan Korr |
| * |
| * All files in this archive are subject to the GNU General Public License. |
| * See the file COPYING in the source tree root for full license agreement. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| |
| #include <stdbool.h> |
| #include "sh7034.h" |
| #include "led.h" |
| #include "system.h" |
| |
| #ifdef HAVE_LED |
| |
| static bool xor; |
| static bool current; |
| |
| void led(bool on) |
| { |
| current = on; |
| if ( on ^ xor ) |
| { |
| or_b(0x40, &PBDRL); |
| } |
| else |
| { |
| and_b(~0x40, &PBDRL); |
| } |
| } |
| |
| void invert_led(bool on) |
| { |
| if ( on ) |
| { |
| xor = 1; |
| } |
| else |
| { |
| xor = 0; |
| } |
| led(current); |
| } |
| |
| #else /* no LED, just dummies */ |
| |
| void led(bool on) |
| { |
| (void)on; |
| } |
| |
| void invert_led(bool on) |
| { |
| (void)on; |
| } |
| |
| #endif // #ifdef HAVE_LED |