/*
 *  spreadspace stm8 utils
 *
 *
 *  Copyright (C) 2017 Christian Pointner <equinox@spreadspace.org>
 *
 *  This file is part of spreadspace stm8 utils.
 *
 *  spreadspace stm8 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 stm8 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 stm8 utils. If not, see <http://www.gnu.org/licenses/>.
 */

#include <stm8s.h>

#include "led.h"


#ifndef LED_CNT
#define LED_CNT 0
#endif

#ifndef LED_DIR
#define LED_DIR 0
#endif

#ifdef LED_PINNUM
#define LED_MASK (1<<LED_PINNUM)
#endif

void led_init(void)
{
#if LED_CNT >= 1
  led_off();
  LED_GPIO->DDR |= LED_MASK;
#endif
}

void led_on(void)
{
#if LED_CNT >= 1
#if LED_DIR == 1
  LED_GPIO->ODR |= LED_MASK;
#else
  LED_GPIO->ODR &= ~LED_MASK;
#endif
#endif
}

void led_off(void)
{
#if LED_CNT >= 1
#if LED_DIR == 1
  LED_GPIO->ODR &= ~(LED_MASK);
#else
  LED_GPIO->ODR |= LED_MASK;
#endif
#endif
}

void led_toggle(void)
{
#if LED_CNT >= 1
  LED_GPIO->ODR ^= LED_MASK;
#endif
}