141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file i2c.c
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* @brief This file provides code for the configuration
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* of the I2C instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "i2c.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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I2C_HandleTypeDef hi2c3;
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/* I2C3 init function */
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void MX_I2C3_Init(void)
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{
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/* USER CODE BEGIN I2C3_Init 0 */
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/* USER CODE END I2C3_Init 0 */
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/* USER CODE BEGIN I2C3_Init 1 */
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/* USER CODE END I2C3_Init 1 */
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hi2c3.Instance = I2C3;
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hi2c3.Init.Timing = 0x60505F8C;
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hi2c3.Init.OwnAddress1 = 0;
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hi2c3.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c3.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c3.Init.OwnAddress2 = 0;
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hi2c3.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
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hi2c3.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c3.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c3) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Analogue filter
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*/
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if (HAL_I2CEx_ConfigAnalogFilter(&hi2c3, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Digital filter
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*/
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if (HAL_I2CEx_ConfigDigitalFilter(&hi2c3, 0) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2C3_Init 2 */
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/* USER CODE END I2C3_Init 2 */
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}
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void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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if(i2cHandle->Instance==I2C3)
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{
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/* USER CODE BEGIN I2C3_MspInit 0 */
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/* USER CODE END I2C3_MspInit 0 */
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/** Initializes the peripherals clocks
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C3;
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PeriphClkInit.I2c3ClockSelection = RCC_I2C3CLKSOURCE_PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**I2C3 GPIO Configuration
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PC8 ------> I2C3_SCL
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PC9 ------> I2C3_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF8_I2C3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* I2C3 clock enable */
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__HAL_RCC_I2C3_CLK_ENABLE();
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/* USER CODE BEGIN I2C3_MspInit 1 */
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/* USER CODE END I2C3_MspInit 1 */
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}
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}
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void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
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{
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if(i2cHandle->Instance==I2C3)
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{
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/* USER CODE BEGIN I2C3_MspDeInit 0 */
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/* USER CODE END I2C3_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_I2C3_CLK_DISABLE();
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/**I2C3 GPIO Configuration
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PC8 ------> I2C3_SCL
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PC9 ------> I2C3_SDA
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8);
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_9);
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/* USER CODE BEGIN I2C3_MspDeInit 1 */
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/* USER CODE END I2C3_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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