/** ****************************************************************************** * File Name : I2C.c * Description : This file provides code for the configuration * of the I2C instances. ****************************************************************************** * This notice applies to any and all portions of this file * that are not between comment pairs USER CODE BEGIN and * USER CODE END. Other portions of this file, whether * inserted by the user or by software development tools * are owned by their respective copyright owners. * * Copyright (c) 2018 STMicroelectronics International N.V. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions are met: * * 1. Redistribution of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of other * contributors to this software may be used to endorse or promote products * derived from this software without specific written permission. * 4. This software, including modifications and/or derivative works of this * software, must execute solely and exclusively on microcontroller or * microprocessor devices manufactured by or for STMicroelectronics. * 5. Redistribution and use of this software other than as permitted under * this license is void and will automatically terminate your rights under * this license. * * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "i2c.h" #include "gpio.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ I2C_HandleTypeDef hi2c1; I2C_HandleTypeDef hi2c2; I2C_HandleTypeDef hi2c4; /* I2C1 init function */ void MX_I2C1_Init(void) { hi2c1.Instance = I2C1; hi2c1.Init.Timing = 0x10C0ECFF; hi2c1.Init.OwnAddress1 = 0; hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; hi2c1.Init.OwnAddress2 = 0; hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK; hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c1) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /**Configure Analogue filter */ if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /**Configure Digital filter */ if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } } /* I2C2 init function */ void MX_I2C2_Init(void) { hi2c2.Instance = I2C2; hi2c2.Init.Timing = 0x10C0ECFF; hi2c2.Init.OwnAddress1 = 0; hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; hi2c2.Init.OwnAddress2 = 0; hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK; hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c2) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /**Configure Analogue filter */ if (HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /**Configure Digital filter */ if (HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } } /* I2C4 init function */ void MX_I2C4_Init(void) { hi2c4.Instance = I2C4; hi2c4.Init.Timing = 0x00303D5B; hi2c4.Init.OwnAddress1 = 0; hi2c4.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; hi2c4.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; hi2c4.Init.OwnAddress2 = 0; hi2c4.Init.OwnAddress2Masks = I2C_OA2_NOMASK; hi2c4.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; hi2c4.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c4) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /**Configure Analogue filter */ if (HAL_I2CEx_ConfigAnalogFilter(&hi2c4, I2C_ANALOGFILTER_ENABLE) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /**Configure Digital filter */ if (HAL_I2CEx_ConfigDigitalFilter(&hi2c4, 0) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } } void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle) { GPIO_InitTypeDef GPIO_InitStruct; if(i2cHandle->Instance==I2C1) { /* USER CODE BEGIN I2C1_MspInit 0 */ /* USER CODE END I2C1_MspInit 0 */ /**I2C1 GPIO Configuration PB6 ------> I2C1_SCL PB7 ------> I2C1_SDA */ GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF4_I2C1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* I2C1 clock enable */ __HAL_RCC_I2C1_CLK_ENABLE(); /* USER CODE BEGIN I2C1_MspInit 1 */ /* USER CODE END I2C1_MspInit 1 */ } else if(i2cHandle->Instance==I2C2) { /* USER CODE BEGIN I2C2_MspInit 0 */ /* USER CODE END I2C2_MspInit 0 */ /**I2C2 GPIO Configuration PB10 ------> I2C2_SCL PB11 ------> I2C2_SDA */ GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF4_I2C2; HAL_GPIO_Init(GPIOB, &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==I2C4) { /* USER CODE BEGIN I2C4_MspInit 0 */ /* USER CODE END I2C4_MspInit 0 */ /**I2C4 GPIO Configuration PF14 ------> I2C4_SCL PF15 ------> I2C4_SDA */ GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF4_I2C4; HAL_GPIO_Init(GPIOF, &GPIO_InitStruct); /* I2C4 clock enable */ __HAL_RCC_I2C4_CLK_ENABLE(); /* USER CODE BEGIN I2C4_MspInit 1 */ /* USER CODE END I2C4_MspInit 1 */ } } void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle) { if(i2cHandle->Instance==I2C1) { /* USER CODE BEGIN I2C1_MspDeInit 0 */ /* USER CODE END I2C1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_I2C1_CLK_DISABLE(); /**I2C1 GPIO Configuration PB6 ------> I2C1_SCL PB7 ------> I2C1_SDA */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7); /* USER CODE BEGIN I2C1_MspDeInit 1 */ /* USER CODE END I2C1_MspDeInit 1 */ } else 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 PB10 ------> I2C2_SCL PB11 ------> I2C2_SDA */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11); /* USER CODE BEGIN I2C2_MspDeInit 1 */ /* USER CODE END I2C2_MspDeInit 1 */ } else if(i2cHandle->Instance==I2C4) { /* USER CODE BEGIN I2C4_MspDeInit 0 */ /* USER CODE END I2C4_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_I2C4_CLK_DISABLE(); /**I2C4 GPIO Configuration PF14 ------> I2C4_SCL PF15 ------> I2C4_SDA */ HAL_GPIO_DeInit(GPIOF, GPIO_PIN_14|GPIO_PIN_15); /* USER CODE BEGIN I2C4_MspDeInit 1 */ /* USER CODE END I2C4_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/