/**
  ******************************************************************************
  * @file    Examples_LL/RCC/RCC_UseHSEasSystemClock/Inc/main.h
  * @author  MCD Application Team
  * @brief   Header for main.c module
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2017 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MAIN_H
#define __MAIN_H

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_ll_bus.h"
#include "stm32f4xx_ll_rcc.h"
#include "stm32f4xx_ll_system.h"
#include "stm32f4xx_ll_utils.h"
#include "stm32f4xx_ll_cortex.h"
#include "stm32f4xx_ll_gpio.h"
#if defined(USE_FULL_ASSERT)
#include "stm32_assert.h"
#endif /* USE_FULL_ASSERT */

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
#define RCC_ERROR_NONE    0
#define RCC_ERROR_TIMEOUT 1

/* Define used to enable time-out management*/
#define USE_TIMEOUT       0

/**
  * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
  *        This value is used by the RCC HAL module to compute the system frequency
  *        (when HSE is used as system clock source, directly or through the PLL).
  */
#if !defined  (HSE_VALUE)
  #define HSE_VALUE    ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */
#endif /* HSE_VALUE */

/**
  * @brief LED2 
  */

#define LED2_PIN                           LL_GPIO_PIN_5
#define LED2_GPIO_PORT                     GPIOA
#define LED2_GPIO_CLK_ENABLE()             LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA)

/**
  * @brief Toggle periods for various blinking modes
  */

#define LED_BLINK_FAST  200
#define LED_BLINK_SLOW 500
#define LED_BLINK_ERROR 1000
  
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void HSEReady_Callback(void);
void HSEFailureDetection_Callback(void);

#endif /* __MAIN_H */