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lib/main/STM32H7/Drivers/BSP/STM32H747I-EVAL/stm32h747i_eval_bus.h

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+/**
+  ******************************************************************************
+  * @file    stm32h747i_eval_bus.h
+  * @author  MCD Application Team
+  * @brief   This file is the header of stm32h747i_eval_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 STM32H747I_EVAL_BUS_H
+#define STM32H747I_EVAL_BUS_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+
+ /* Includes ------------------------------------------------------------------*/
+#include "stm32h747i_eval_conf.h"
+#include "stm32h747i_eval_errno.h"
+#if defined(BSP_USE_CMSIS_OS)
+#include "cmsis_os.h"
+#endif   
+/** @addtogroup BSP
+  * @{
+  */
+
+/** @addtogroup STM32H747I_EVAL
+  * @{
+  */
+
+/** @addtogroup STM32H747I_EVAL_BUS
+  * @{
+  */
+/** @defgroup STM32H747I_EVAL_BUS_Exported_Types STM32H747I_EVAL Bus 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 STM32H747I_EVAL_BUS_Exported_Constants BUS Exported Constants
+  * @{
+  */
+/* Definition for I2C1 clock resources */
+#define BUS_I2C1                              I2C1
+#define BUS_I2C1_CLK_ENABLE()                  __HAL_RCC_I2C1_CLK_ENABLE()
+#define BUS_I2C1_CLK_DISABLE()                 __HAL_RCC_I2C1_CLK_DISABLE()
+#define BUS_I2C1_SCL_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOB_CLK_ENABLE()
+#define BUS_I2C1_SCL_GPIO_CLK_DISABLE()        __HAL_RCC_GPIOB_CLK_DISABLE()
+#define BUS_I2C1_SDA_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOB_CLK_ENABLE()
+#define BUS_I2C1_SDA_GPIO_CLK_DISABLE()        __HAL_RCC_GPIOB_CLK_DISABLE()
+
+#define BUS_I2C1_FORCE_RESET()                 __HAL_RCC_I2C1_FORCE_RESET()
+#define BUS_I2C1_RELEASE_RESET()               __HAL_RCC_I2C1_RELEASE_RESET()
+
+/* Definition for I2C1 Pins */
+#define BUS_I2C1_SCL_PIN                       GPIO_PIN_6
+#define BUS_I2C1_SDA_PIN                       GPIO_PIN_7
+#define BUS_I2C1_SCL_GPIO_PORT                 GPIOB
+#define BUS_I2C1_SDA_GPIO_PORT                 GPIOB
+#define BUS_I2C1_SCL_AF                        GPIO_AF4_I2C1
+#define BUS_I2C1_SDA_AF                        GPIO_AF4_I2C1
+
+#ifndef BUS_I2C1_FREQUENCY
+   #define BUS_I2C1_FREQUENCY  100000U /* Frequency of I2Cn = 100 KHz*/
+#endif
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H747I_EVAL_BUS_Exported_Variables
+  * @{
+  */
+extern I2C_HandleTypeDef hbus_i2c1;
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H743I_EVAL_BUS_Exported_Functions
+  * @{
+  */
+int32_t BSP_I2C1_Init(void);
+int32_t BSP_I2C1_DeInit(void);
+int32_t BSP_I2C1_WriteReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C1_ReadReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C1_WriteReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C1_ReadReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C1_Recv(uint16_t DevAddr, uint16_t Reg, uint16_t MemAddSize, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C1_Send(uint16_t DevAddr, uint16_t Reg, uint16_t MemAddSize, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C1_IsReady(uint16_t DevAddr, uint32_t Trials);
+int32_t BSP_GetTick(void);
+#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
+int32_t BSP_I2C1_RegisterDefaultMspCallbacks (void);
+int32_t BSP_I2C1_RegisterMspCallbacks (BSP_I2C_Cb_t *Callback);
+#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
+__weak HAL_StatusTypeDef MX_I2C1_Init(I2C_HandleTypeDef *hI2c, uint32_t timing);
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32H747I_EVAL_BUS_H */