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lib/main/STM32H7/Drivers/BSP/STM32H750B-DK/stm32h750b_discovery_bus.h

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+/**
+  ******************************************************************************
+  * @file    stm32h750b_discovery_bus.h
+  * @author  MCD Application Team
+  * @brief   This file is the header of stm32h750b_discovery_bus.h 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 STM32H750B_DK_BUS_H
+#define STM32H750B_DK_BUS_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+
+ /* Includes ------------------------------------------------------------------*/
+#include "stm32h750b_discovery_conf.h"
+#include "stm32h750b_discovery_errno.h"
+#if defined(BSP_USE_CMSIS_OS)
+#include "cmsis_os.h"
+#endif
+/** @addtogroup BSP
+  * @{
+  */
+
+/** @addtogroup STM32H750B_DK
+  * @{
+  */
+
+/** @addtogroup STM32H750B_DK_BUS
+  * @{
+  */
+/** @defgroup STM32H750B_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 STM32H750B_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 STM32H750B_DK_BUS_Exported_Variables
+  * @{
+  */
+extern I2C_HandleTypeDef hbus_i2c4;
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H750B_DK_BUS_Exported_Functions
+  * @{
+  */
+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_Recv(uint16_t DevAddr, uint16_t Reg, uint16_t MemAddSize, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C4_Send(uint16_t DevAddr, uint16_t Reg, uint16_t MemAddSize, 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 *phi2c, uint32_t timing);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32H750B_DK_BUS_H */