led.h

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/**
 * Copyright (c) 2012, Roy van Dam <roy@vandam-innovations.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _LED_H_
#define _LED_H_

#include <stdbool.h>

#include <misc.h>
#include <stm32f10x.h>
#include <stm32f10x_gpio.h>
#include <stm32f10x_rcc.h>

void assert_param(bool value);

extern void SysTick_Handler(void);
extern void SysTick_Delay(unsigned long ms);

typedef enum {
    LED0 = 0,
    LED1 = 1
} LedId;

struct LedContext {
    uint16_t pin;
    uint32_t clock;
    GPIO_TypeDef* port;
};

const struct LedContext led_context[] = {
    { .pin   = GPIO_Pin_9,
      .port  = GPIOC,
      .clock = RCC_APB2Periph_GPIOC },

    { .pin   = GPIO_Pin_8,
      .port  = GPIOC,
      .clock = RCC_APB2Periph_GPIOC },
};

extern void Led_Init(LedId led);
extern void Led_Enable(LedId led);
extern void Led_Disable(LedId led);

#endif /* _LED_H_ */