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246 lines
6.2 KiB
246 lines
6.2 KiB
2 years ago
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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) 2022 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 hi2c1;
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I2C_HandleTypeDef hi2c2;
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/* I2C1 init function */
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void MX_I2C1_Init(void)
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{
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/* USER CODE BEGIN I2C1_Init 0 */
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/* USER CODE END I2C1_Init 0 */
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/* USER CODE BEGIN I2C1_Init 1 */
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/* USER CODE END I2C1_Init 1 */
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hi2c1.Instance = I2C1;
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hi2c1.Init.Timing = 0x00303651;
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hi2c1.Init.OwnAddress1 = 0;
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hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c1.Init.OwnAddress2 = 0;
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hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
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hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c1) != 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(&hi2c1, 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(&hi2c1, 0) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2C1_Init 2 */
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/* USER CODE END I2C1_Init 2 */
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}
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/* I2C2 init function */
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void MX_I2C2_Init(void)
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{
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/* USER CODE BEGIN I2C2_Init 0 */
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/* USER CODE END I2C2_Init 0 */
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/* USER CODE BEGIN I2C2_Init 1 */
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/* USER CODE END I2C2_Init 1 */
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hi2c2.Instance = I2C2;
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hi2c2.Init.Timing = 0x00303651;
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hi2c2.Init.OwnAddress1 = 0;
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hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c2.Init.OwnAddress2 = 0;
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hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
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hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c2) != 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(&hi2c2, 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(&hi2c2, 0) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2C2_Init 2 */
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/* USER CODE END I2C2_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==I2C1)
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{
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/* USER CODE BEGIN I2C1_MspInit 0 */
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/* USER CODE END I2C1_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
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PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_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_GPIOB_CLK_ENABLE();
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/**I2C1 GPIO Configuration
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PB8 ------> I2C1_SCL
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PB7 ------> I2C1_SDA
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*/
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GPIO_InitStruct.Pin = I2C1_SCL_Pin|I2C1_SDA_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* I2C1 clock enable */
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__HAL_RCC_I2C1_CLK_ENABLE();
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/* USER CODE BEGIN I2C1_MspInit 1 */
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/* USER CODE END I2C1_MspInit 1 */
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}
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else if(i2cHandle->Instance==I2C2)
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{
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/* USER CODE BEGIN I2C2_MspInit 0 */
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/* USER CODE END I2C2_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
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PeriphClkInit.I2c2ClockSelection = RCC_I2C2CLKSOURCE_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_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**I2C2 GPIO Configuration
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PH4 ------> I2C2_SCL
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PB14 ------> I2C2_SDA
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*/
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GPIO_InitStruct.Pin = I2C2_SCL_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
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HAL_GPIO_Init(I2C2_SCL_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = I2C2_SDA_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
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HAL_GPIO_Init(I2C2_SDA_GPIO_Port, &GPIO_InitStruct);
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/* I2C2 clock enable */
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__HAL_RCC_I2C2_CLK_ENABLE();
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/* USER CODE BEGIN I2C2_MspInit 1 */
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/* USER CODE END I2C2_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==I2C1)
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{
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/* USER CODE BEGIN I2C1_MspDeInit 0 */
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/* USER CODE END I2C1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_I2C1_CLK_DISABLE();
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/**I2C1 GPIO Configuration
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PB8 ------> I2C1_SCL
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PB7 ------> I2C1_SDA
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*/
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HAL_GPIO_DeInit(I2C1_SCL_GPIO_Port, I2C1_SCL_Pin);
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HAL_GPIO_DeInit(I2C1_SDA_GPIO_Port, I2C1_SDA_Pin);
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/* USER CODE BEGIN I2C1_MspDeInit 1 */
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/* USER CODE END I2C1_MspDeInit 1 */
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}
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else if(i2cHandle->Instance==I2C2)
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{
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/* USER CODE BEGIN I2C2_MspDeInit 0 */
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/* USER CODE END I2C2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_I2C2_CLK_DISABLE();
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/**I2C2 GPIO Configuration
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PH4 ------> I2C2_SCL
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PB14 ------> I2C2_SDA
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*/
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HAL_GPIO_DeInit(I2C2_SCL_GPIO_Port, I2C2_SCL_Pin);
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HAL_GPIO_DeInit(I2C2_SDA_GPIO_Port, I2C2_SDA_Pin);
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/* USER CODE BEGIN I2C2_MspDeInit 1 */
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/* USER CODE END I2C2_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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