增加BDW01-STM32L496VG开发板
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sunlikun
197
board/BDW01-STM32L496VG/BSP/Src/i2c.c
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197
board/BDW01-STM32L496VG/BSP/Src/i2c.c
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/**
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******************************************************************************
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* File Name : I2C.c
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* Description : 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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* <h2><center>© Copyright (c) 2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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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 hi2c2;
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I2C_HandleTypeDef hi2c3;
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/* I2C2 init function */
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void MX_I2C2_Init(void)
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{
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hi2c2.Instance = I2C2;
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hi2c2.Init.Timing = 0x20303E5D;
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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}
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}
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/* I2C3 init function */
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void MX_I2C3_Init(void)
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{
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hi2c3.Instance = I2C3;
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hi2c3.Init.Timing = 0x2010091A;
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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}
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}
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void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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if(hi2c->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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/**I2C2 GPIO Configuration
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PB13 ------> I2C2_SCL
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PB14 ------> I2C2_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14;
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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(GPIOB, &GPIO_InitStruct);
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/* Peripheral 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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else if(hi2c->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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/**I2C3 GPIO Configuration
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PC0 ------> I2C3_SCL
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PC1 ------> I2C3_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
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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_I2C3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* Peripheral 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* hi2c)
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{
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if(hi2c->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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PB13 ------> I2C2_SCL
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PB14 ------> I2C2_SDA
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13|GPIO_PIN_14);
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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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else if(hi2c->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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PC0 ------> I2C3_SCL
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PC1 ------> I2C3_SDA
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_1);
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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