161 lines
3.9 KiB
C
161 lines
3.9 KiB
C
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file stm32l4xx_hal_msp.c
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* @brief This file provides code for the MSP Initialization
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* and de-Initialization codes.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 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 "main.h"
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN TD */
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/* USER CODE END TD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN Define */
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/* USER CODE END Define */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN Macro */
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/* USER CODE END Macro */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* External functions --------------------------------------------------------*/
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/* USER CODE BEGIN ExternalFunctions */
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/* USER CODE END ExternalFunctions */
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/**
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* Initializes the Global MSP.
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*/
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void HAL_MspInit(void)
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{
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/* USER CODE BEGIN MspInit 0 */
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/* USER CODE END MspInit 0 */
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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__HAL_RCC_PWR_CLK_ENABLE();
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/* System interrupt init*/
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/* USER CODE BEGIN MspInit 1 */
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/* USER CODE END MspInit 1 */
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}
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/**
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* @brief I2C MSP Initialization
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* This function configures the hardware resources used in this example
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* @param hi2c: I2C handle pointer
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* @retval None
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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 = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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if(hi2c->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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PB9 ------> I2C1_SDA
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
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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_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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}
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/**
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* @brief I2C MSP De-Initialization
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* This function freeze the hardware resources used in this example
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* @param hi2c: I2C handle pointer
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* @retval None
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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==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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PB9 ------> I2C1_SDA
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8);
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_9);
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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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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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