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- /* sd2iec - SD/MMC to Commodore serial bus interface/controller
- Copyright (C) 2007-2009 Ingo Korb <ingo@akana.de>
- Inspiration and low-level SD/MMC access based on code from MMC2IEC
- by Lars Pontoppidan et al., see sdcard.c|h and config.h.
- FAT filesystem access based on code from ChaN and Jim Brain, see ff.c|h.
- This program 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; version 2 of the License only.
- This program 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.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- led.c: Overdesigned LED handling
- */
- #include <avr/io.h>
- #include "config.h"
- #include "led.h"
- volatile uint8_t led_state;
- /**
- * update_leds - set LEDs to correspond to the buffer status
- *
- * This function sets the busy/dirty LEDs to correspond to the current state
- * of the buffers, i.e. busy on of at least one non-system buffer is
- * allocated and dirty on if at least one buffer is allocated for writing.
- * Call if you have manually changed the LEDs and you want to restore the
- * "default" state.
- */
- void update_leds(void) {
- }
- void toggle_busy_led(void) {
- PORTB &= ~_BV(PB1);
- DDRB ^= _BV(PB1);
- }
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