/**
  ******************************************************************************
  * @file    stm32h7b3i_discovery_bus.h
  * @author  MCD Application Team
  * @brief   This file is the header of stm32h745i_discovery_bus.c file
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2019 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 STM32H7B3I_DK_BUS_H
#define STM32H7B3I_DK_BUS_H

#ifdef __cplusplus
extern "C" {
#endif


/* Includes ------------------------------------------------------------------*/
#include "stm32h7b3i_discovery_conf.h"
#include "stm32h7b3i_discovery_errno.h"
#if defined(BSP_USE_CMSIS_OS)
#include "cmsis_os.h"
#endif
/** @addtogroup BSP
  * @{
  */

/** @addtogroup STM32H7B3I_DK
  * @{
  */

/** @addtogroup STM32H7B3I_DK_BUS
  * @{
  */
/** @defgroup STM32H7B3I_DK_BUS_Exported_Types Exported Types
  * @{
  */

#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
typedef struct
{
  void (* pMspInitCb)(I2C_HandleTypeDef *);
  void (* pMspDeInitCb)(I2C_HandleTypeDef *);
} BSP_I2C_Cb_t;
#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1) */

/**
  * @}
  */

/** @defgroup STM32H7B3I_DK_BUS_Exported_Constants Exported Constants
  * @{
  */
/* Definition for I2C4 clock resources */
#define BUS_I2C4                               I2C4
#define BUS_I2C4_CLK_ENABLE()                  __HAL_RCC_I2C4_CLK_ENABLE()
#define BUS_I2C4_CLK_DISABLE()                 __HAL_RCC_I2C4_CLK_DISABLE()
#define BUS_I2C4_SCL_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOD_CLK_ENABLE()
#define BUS_I2C4_SCL_GPIO_CLK_DISABLE()        __HAL_RCC_GPIOD_CLK_DISABLE()
#define BUS_I2C4_SDA_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOD_CLK_ENABLE()
#define BUS_I2C4_SDA_GPIO_CLK_DISABLE()        __HAL_RCC_GPIOD_CLK_DISABLE()

#define BUS_I2C4_FORCE_RESET()                 __HAL_RCC_I2C4_FORCE_RESET()
#define BUS_I2C4_RELEASE_RESET()               __HAL_RCC_I2C4_RELEASE_RESET()

/* Definition for I2C4 Pins */
#define BUS_I2C4_SCL_PIN                       GPIO_PIN_12
#define BUS_I2C4_SDA_PIN                       GPIO_PIN_13
#define BUS_I2C4_SCL_GPIO_PORT                 GPIOD
#define BUS_I2C4_SDA_GPIO_PORT                 GPIOD
#define BUS_I2C4_SCL_AF                        GPIO_AF4_I2C4
#define BUS_I2C4_SDA_AF                        GPIO_AF4_I2C4

#ifndef BUS_I2C4_FREQUENCY
#define BUS_I2C4_FREQUENCY                  100000U /* Frequency of I2Cn = 100 KHz*/
#endif

/**
  * @}
  */

/** @addtogroup STM32H7B3I_DK_BUS_Exported_Variables
  * @{
  */
extern I2C_HandleTypeDef hbus_i2c4;
/**
  * @}
  */

/** @defgroup STM32H7B3I_DK_BUS_Exported_FunctionsPrototypes Exported Functions Prototypes
  * @{
  */
int32_t BSP_I2C4_Init(void);
int32_t BSP_I2C4_DeInit(void);
int32_t BSP_I2C4_WriteReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_ReadReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_WriteReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_ReadReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_IsReady(uint16_t DevAddr, uint32_t Trials);
int32_t BSP_GetTick(void);
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
int32_t BSP_I2C4_RegisterDefaultMspCallbacks(void);
int32_t BSP_I2C4_RegisterMspCallbacks(BSP_I2C_Cb_t *Callback);
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
HAL_StatusTypeDef MX_I2C4_Init(I2C_HandleTypeDef *hI2c, uint32_t timing);
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* STM32H7B3I_DK_BUS_H */