init

2026-09-04 09:57:30 +02:00
commit 75fbf8809d
@@ -0,0 +1,135 @@
+/**
+  ******************************************************************************
+  * @file    stm32h7s78_discovery_bus.h
+  * @author  MCD Application Team
+  * @brief   This file is the header of stm32h7s78_discovery_bus.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2022 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 STM32H7S78_DISCOVERY_BUS_H
+#define STM32H7S78_DISCOVERY_BUS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7s78_discovery_conf.h"
+#include "stm32h7s78_discovery_errno.h"
+#if defined(BSP_USE_CMSIS_OS)
+#include "cmsis_os.h"
+#endif /* BSP_USE_CMSIS_OS */
+/** @addtogroup BSP
+  * @{
+  */
+
+/** @addtogroup STM32H7S78_DK
+  * @{
+  */
+
+/** @addtogroup STM32H7S78_DK_BUS
+  * @{
+  */
+/** @defgroup STM32H7S78_DK_BUS_Exported_Types Exported Types
+  * @{
+  */
+#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
+typedef struct
+{
+  void (* pMspI2cInitCb)(I2C_HandleTypeDef *);
+  void (* pMspI2cDeInitCb)(I2C_HandleTypeDef *);
+} BSP_I2C_Cb_t;
+#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1) */
+
+/**
+  * @}
+  */
+/** @defgroup STM32H7S78_DK_BUS_Exported_Constants 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_9
+#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 /* BUS_I2C1_FREQUENCY */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7S78_DK_BUS_Exported_Variables
+  * @{
+  */
+extern I2C_HandleTypeDef hbus_i2c1;
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7S78_DK_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 */
+HAL_StatusTypeDef MX_I2C1_Init(I2C_HandleTypeDef *hi2c, uint32_t timing);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32H7S78_DISCOVERY_BUS_H */