305 lines
8.5 KiB
C
305 lines
8.5 KiB
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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*
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* Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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#include "gpio.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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I2C_HandleTypeDef hi2c4;
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/* I2C1 init function */
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void MX_I2C1_Init(void)
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{
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hi2c1.Instance = I2C1;
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hi2c1.Init.Timing = 0x00303D5B;
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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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}
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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 = 0x20404768;
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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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}
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/* I2C4 init function */
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void MX_I2C4_Init(void)
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{
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hi2c4.Instance = I2C4;
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hi2c4.Init.Timing = 0x20404768;
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hi2c4.Init.OwnAddress1 = 0;
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hi2c4.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c4.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c4.Init.OwnAddress2 = 0;
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hi2c4.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
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hi2c4.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c4.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c4) != 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(&hi2c4, 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(&hi2c4, 0) != HAL_OK)
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{
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Error_Handler();
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}
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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;
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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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/**I2C1 GPIO Configuration
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PB6 ------> I2C1_SCL
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PB7 ------> I2C1_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
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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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/* Peripheral 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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/**I2C2 GPIO Configuration
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PB10 ------> I2C2_SCL
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PB11 ------> I2C2_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11;
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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(i2cHandle->Instance==I2C4)
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{
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/* USER CODE BEGIN I2C4_MspInit 0 */
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/* USER CODE END I2C4_MspInit 0 */
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/**I2C4 GPIO Configuration
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PF14 ------> I2C4_SCL
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PF15 ------> I2C4_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;
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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_I2C4;
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HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
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/* Peripheral clock enable */
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__HAL_RCC_I2C4_CLK_ENABLE();
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/* USER CODE BEGIN I2C4_MspInit 1 */
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/* USER CODE END I2C4_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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PB6 ------> I2C1_SCL
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PB7 ------> I2C1_SDA
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7);
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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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PB10 ------> I2C2_SCL
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PB11 ------> I2C2_SDA
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11);
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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(i2cHandle->Instance==I2C4)
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{
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/* USER CODE BEGIN I2C4_MspDeInit 0 */
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/* USER CODE END I2C4_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_I2C4_CLK_DISABLE();
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/**I2C4 GPIO Configuration
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PF14 ------> I2C4_SCL
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PF15 ------> I2C4_SDA
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*/
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HAL_GPIO_DeInit(GPIOF, GPIO_PIN_14|GPIO_PIN_15);
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/* USER CODE BEGIN I2C4_MspDeInit 1 */
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/* USER CODE END I2C4_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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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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