add stm32h750 iot explorer examples
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supowang
424
board/TencentOS_tiny_STM32H750/BSP/Src/i2c.c
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424
board/TencentOS_tiny_STM32H750/BSP/Src/i2c.c
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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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* <h2><center>© Copyright (c) 2021 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 hi2c1;
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I2C_HandleTypeDef hi2c2;
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I2C_HandleTypeDef hi2c3;
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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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/* 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 = 0xC0000E12;
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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 = 0xC0000E12;
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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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/* 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 = 0xC0000E12;
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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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/* I2C4 init function */
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void MX_I2C4_Init(void)
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{
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/* USER CODE BEGIN I2C4_Init 0 */
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/* USER CODE END I2C4_Init 0 */
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/* USER CODE BEGIN I2C4_Init 1 */
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/* USER CODE END I2C4_Init 1 */
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hi2c4.Instance = I2C4;
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hi2c4.Init.Timing = 0xC0000E12;
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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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/* USER CODE BEGIN I2C4_Init 2 */
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/* USER CODE END I2C4_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 PeriphClkInitStruct = {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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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
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PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C123CLKSOURCE_D2PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != 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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PB9 ------> I2C1_SDA
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PB8 ------> I2C1_SCL
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_8;
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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_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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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
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PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C123CLKSOURCE_D2PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != 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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/**I2C2 GPIO Configuration
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PH4 ------> I2C2_SCL
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PH5 ------> I2C2_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
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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_AF4_I2C2;
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HAL_GPIO_Init(GPIOH, &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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else 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 clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C3;
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PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C123CLKSOURCE_D2PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != 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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/**I2C3 GPIO Configuration
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PH8 ------> I2C3_SDA
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PH7 ------> I2C3_SCL
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_7;
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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_AF4_I2C3;
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HAL_GPIO_Init(GPIOH, &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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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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/** Initializes the peripherals clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C4;
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PeriphClkInitStruct.I2c4ClockSelection = RCC_I2C4CLKSOURCE_D3PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != 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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/**I2C4 GPIO Configuration
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PH11 ------> I2C4_SCL
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PH12 ------> I2C4_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
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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_AF4_I2C4;
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HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
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/* I2C4 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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PB9 ------> I2C1_SDA
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PB8 ------> I2C1_SCL
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_9);
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8);
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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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PH5 ------> I2C2_SDA
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*/
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HAL_GPIO_DeInit(GPIOH, GPIO_PIN_4);
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HAL_GPIO_DeInit(GPIOH, GPIO_PIN_5);
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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==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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PH8 ------> I2C3_SDA
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PH7 ------> I2C3_SCL
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*/
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HAL_GPIO_DeInit(GPIOH, GPIO_PIN_8);
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HAL_GPIO_DeInit(GPIOH, GPIO_PIN_7);
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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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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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PH11 ------> I2C4_SCL
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PH12 ------> I2C4_SDA
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*/
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HAL_GPIO_DeInit(GPIOH, GPIO_PIN_11);
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HAL_GPIO_DeInit(GPIOH, GPIO_PIN_12);
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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