/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file i2c.c * @brief This file provides code for the configuration * of the I2C instances. ****************************************************************************** * @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. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "i2c.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ I2C_HandleTypeDef hi2c2; I2C_HandleTypeDef hi2c3; /* I2C2 init function */ void MX_I2C2_Init(void) { /* USER CODE BEGIN I2C2_Init 0 */ /* USER CODE END I2C2_Init 0 */ /* USER CODE BEGIN I2C2_Init 1 */ /* USER CODE END I2C2_Init 1 */ hi2c2.Instance = I2C2; hi2c2.Init.ClockSpeed = 400000; hi2c2.Init.DutyCycle = I2C_DUTYCYCLE_2; hi2c2.Init.OwnAddress1 = 0; hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; hi2c2.Init.OwnAddress2 = 0; hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c2) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN I2C2_Init 2 */ /* USER CODE END I2C2_Init 2 */ } /* I2C3 init function */ void MX_I2C3_Init(void) { /* USER CODE BEGIN I2C3_Init 0 */ /* USER CODE END I2C3_Init 0 */ /* USER CODE BEGIN I2C3_Init 1 */ /* USER CODE END I2C3_Init 1 */ hi2c3.Instance = I2C3; hi2c3.Init.ClockSpeed = 400000; hi2c3.Init.DutyCycle = I2C_DUTYCYCLE_2; hi2c3.Init.OwnAddress1 = 0; hi2c3.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; hi2c3.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; hi2c3.Init.OwnAddress2 = 0; hi2c3.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; hi2c3.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c3) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN I2C3_Init 2 */ /* USER CODE END I2C3_Init 2 */ } void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(i2cHandle->Instance==I2C2) { /* USER CODE BEGIN I2C2_MspInit 0 */ /* USER CODE END I2C2_MspInit 0 */ __HAL_RCC_GPIOF_CLK_ENABLE(); /**I2C2 GPIO Configuration PF0 ------> I2C2_SDA PF1 ------> I2C2_SCL */ GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF4_I2C2; HAL_GPIO_Init(GPIOF, &GPIO_InitStruct); /* I2C2 clock enable */ __HAL_RCC_I2C2_CLK_ENABLE(); /* USER CODE BEGIN I2C2_MspInit 1 */ /* USER CODE END I2C2_MspInit 1 */ } else if(i2cHandle->Instance==I2C3) { /* USER CODE BEGIN I2C3_MspInit 0 */ /* USER CODE END I2C3_MspInit 0 */ __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**I2C3 GPIO Configuration PC9 ------> I2C3_SDA PA8 ------> I2C3_SCL */ GPIO_InitStruct.Pin = GPIO_PIN_9; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF4_I2C3; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_8; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF4_I2C3; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* I2C3 clock enable */ __HAL_RCC_I2C3_CLK_ENABLE(); /* USER CODE BEGIN I2C3_MspInit 1 */ /* USER CODE END I2C3_MspInit 1 */ } } void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle) { if(i2cHandle->Instance==I2C2) { /* USER CODE BEGIN I2C2_MspDeInit 0 */ /* USER CODE END I2C2_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_I2C2_CLK_DISABLE(); /**I2C2 GPIO Configuration PF0 ------> I2C2_SDA PF1 ------> I2C2_SCL */ HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0); HAL_GPIO_DeInit(GPIOF, GPIO_PIN_1); /* USER CODE BEGIN I2C2_MspDeInit 1 */ /* USER CODE END I2C2_MspDeInit 1 */ } else if(i2cHandle->Instance==I2C3) { /* USER CODE BEGIN I2C3_MspDeInit 0 */ /* USER CODE END I2C3_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_I2C3_CLK_DISABLE(); /**I2C3 GPIO Configuration PC9 ------> I2C3_SDA PA8 ------> I2C3_SCL */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_9); HAL_GPIO_DeInit(GPIOA, GPIO_PIN_8); /* USER CODE BEGIN I2C3_MspDeInit 1 */ /* USER CODE END I2C3_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */