/**
  ******************************************************************************
  * @file    air001xx_ll_led.c
  * @author  MCU Application Team
  * @brief   LED LL module driver.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) AirM2M.
  * All rights reserved.</center></h2>
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
#if defined(USE_FULL_LL_DRIVER)

/* Includes ------------------------------------------------------------------*/
#include "air001xx_ll_led.h"
#include "air001xx_ll_bus.h"
#ifdef  USE_FULL_ASSERT
  #include "air_assert.h"
#else
  #define assert_param(expr) ((void)0U)
#endif

/** @addtogroup AIR001xx_LL_Driver
  * @{
  */

#if defined (LED)

/** @addtogroup LED_LL
  * @{
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/

/** @addtogroup LED_LL_Private_Macros
  * @{
  */
#define IS_LL_LED_COM_DRIVE(__VALUE__)      (((__VALUE__) == LL_LED_COMDRIVE_LOW)     ||\
                                             ((__VALUE__) == LL_LED_COMDRIVE_HIGH))

#define IS_LL_LED_PRESCALER(__VALUE__)      (((0x00u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))

#define IS_LL_LED_COM_SELECT(__VALUE__)     (((__VALUE__) == LL_LED_COMSELECT_1COM)     ||\
                                             ((__VALUE__) == LL_LED_COMSELECT_2COM)    ||\
                                             ((__VALUE__) == LL_LED_COMSELECT_3COM) ||\
                                             ((__VALUE__) == LL_LED_COMSELECT_4COM))

#define IS_LL_LED_LIGHT_TIME(__VALUE__)     (((0x01u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))

#define IS_LL_LED_DEAD_TIME(__VALUE__)      (((0x01u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
/**
  * @}
  */

/* Private function prototypes -----------------------------------------------*/

/* Exported functions --------------------------------------------------------*/
/** @addtogroup LED_LL_Exported_Functions
  * @{
  */

/** @addtogroup LED_LL_EF_Init
  * @{
  */

/**
  * @brief  De-initialize LED registers.
  * @param  LEDx LED Port
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: LED registers are de-initialized
  *          - ERROR:   Wrong LED
  */
ErrorStatus LL_LED_DeInit(LED_TypeDef *LEDx)
{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_LED_ALL_INSTANCE(LEDx));

  /* Force and Release reset on clock of LEDx */
  if (LEDx == LED)
  {
    LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_LED);
    LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_LED);
  }
  else
  {
    status = ERROR;
  }

  return (status);
}

/**
  * @brief  Initializes the LED registers according to the specified parameters in the LED_InitStruct.
  * @param  LEDx LEDx Instance
  * @param  LED_InitStruct pointer to a @ref LL_LED_InitTypeDef structure
  *         that contains the configuration information for the specified LED peripheral.
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: LED registers are initialized according to LED_InitStruct content
  *          - ERROR:   Not applicable
  */
ErrorStatus LL_LED_Init(LED_TypeDef *LEDx, LL_LED_InitTypeDef *LED_InitStruct)
{
  /* Check the parameters */
  assert_param(IS_LED_ALL_INSTANCE(LEDx));
  assert_param(IS_LL_LED_COM_DRIVE(LED_InitStruct->ComDrive));
  assert_param(IS_LL_LED_PRESCALER(LED_InitStruct->Prescaler));
  assert_param(IS_LL_LED_COM_SELECT(LED_InitStruct->ComSelect));
  assert_param(IS_LL_LED_LIGHT_TIME(LED_InitStruct->LightTime));
  assert_param(IS_LL_LED_DEAD_TIME(LED_InitStruct->DeadTime));
  
  /* LED Register config */
  MODIFY_REG(LEDx->CR, (uint32_t)(LED_CR_LED_COM_SEL | LED_CR_EHS),
             (LED_InitStruct->ComSelect | LED_InitStruct->ComDrive));
  LL_LED_SetPrescaler(LEDx, LED_InitStruct->Prescaler);
  LL_LED_SetLightAndDeadTime(LEDx, LED_InitStruct->LightTime, LED_InitStruct->DeadTime);
  LL_LED_Enable(LEDx);
  
  return (SUCCESS);
}

/**
  * @brief Set each @ref LL_LED_InitTypeDef field to default value.
  * @param LED_InitStruct pointer to a @ref LL_LED_InitTypeDef structure
  *                          whose fields will be set to default values.
  * @retval None
  */

void LL_LED_StructInit(LL_LED_InitTypeDef *LED_InitStruct)
{
  /* Reset LED init structure parameters values */
  LED_InitStruct->ComDrive = LL_LED_COMDRIVE_LOW;
  LED_InitStruct->Prescaler = 0x0u;
  LED_InitStruct->ComSelect = LL_LED_COMSELECT_1COM;
  LED_InitStruct->LightTime = 0x0u;
  LED_InitStruct->DeadTime = 0x0u;
}

#endif /* defined (LED) */


#endif /* USE_FULL_LL_DRIVER */

/************************ (C) COPYRIGHT AirM2M *****END OF FILE****/
