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/*
* spreadspace avr utils
*
*
* Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of spreadspace avr utils.
*
* spreadspace avr utils 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 of the License, or
* any later version.
*
* spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
*/
#include "avr/io.h"
#include "led.h"
#if defined(__BOARD_arduinoUno__) || defined(__BOARD_AvrNetIo__)
#define HAS_LED 0
#else
#define HAS_LED 1
#endif
#if defined(__BOARD_teensy1__) || defined(__BOARD_teensy1pp__)
#define LED_DIR 0
#else
#define LED_DIR 1
#endif
#if defined(__BOARD_teensy1__) || defined(__BOARD_teensy1pp__) || defined(__BOARD_teensy2__) || defined(__BOARD_teensy2pp__)
#define LED_PORT PORTD
#define LED_DDR DDRD
#define LED_PINNUM 6
#endif
#if defined(__BOARD_hhd70dongle__)
#define LED_PORT PORTE
#define LED_DDR DDRE
#define LED_PINNUM 6
#endif
#if defined(__BOARD_arduino2009v2__) || defined(__BOARD_arduino2009__) || defined(__BOARD_arduino10000__) || defined(__BOARD_arduinoNG__)
#define LED_PORT PORTB
#define LED_DDR DDRB
#define LED_PINNUM 5
#endif
void led_init(void)
{
#if HAS_LED == 1
led_off();
LED_DDR = 1<<LED_PINNUM;
#endif
}
void led_on(void)
{
#if HAS_LED == 1
#if LED_DIR == 1
LED_PORT |= 1<<LED_PINNUM;
#else
LED_PORT &= ~(1<<LED_PINNUM);
#endif
#endif
}
void led_off(void)
{
#if HAS_LED == 1
#if LED_DIR == 1
LED_PORT &= ~(1<<LED_PINNUM);
#else
LED_PORT |= 1<<LED_PINNUM;
#endif
#endif
}
void led_toggle(void)
{
#if HAS_LED == 1
LED_PORT ^= 1<<LED_PINNUM;
#endif
}
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