/** ****************************************************************************** * @file stm32h743i_eval_bus.h * @author MCD Application Team * @brief This file is the header of stm32h743i_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 STM32H743I_EVAL_BUS_H #define STM32H743I_EVAL_BUS_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32h743i_eval_conf.h" #include "stm32h743i_eval_errno.h" #if defined(BSP_USE_CMSIS_OS) #include "cmsis_os.h" #endif /** @addtogroup BSP * @{ */ /** @addtogroup STM32H743I_EVAL * @{ */ /** @addtogroup STM32H743I_EVAL_BUS * @{ */ /** @defgroup STM32H743I_EVAL_BUS_Exported_Types 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 STM32H743I_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 STM32H743I_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 /* STM32H743I_EVAL_BUS_H */