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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : stm32wbxx_hal_msp.c
* @author : MCD Application Team
* Description : This file provides code for the MSP Initialization
* and de-Initialization codes.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "app_conf.h"
#include "app_common.h"
#include "main.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */
/* USER CODE END Define */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */
/* USER CODE END Macro */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */
/* USER CODE END ExternalFunctions */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
/* System interrupt init*/
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* @brief LPTIM MSP Initialization
* This function configures the hardware resources used in this example
* @param hlptim: LPTIM handle pointer
* @retval None
*/
void HAL_LPTIM_MspInit(LPTIM_HandleTypeDef* hlptim)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(hlptim->Instance==LPTIM1)
{
/* USER CODE BEGIN LPTIM1_MspInit 0 */
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
/* Enable LSE clock */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/* Select the LSE clock as LPTIM1 peripheral clock */
RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPTIM1;
RCC_PeriphCLKInitStruct.Lptim1ClockSelection = RCC_LPTIM1CLKSOURCE_LSE;
HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
/* Force the LPTIM1 Periheral Clock Reset */
__HAL_RCC_LPTIM1_FORCE_RESET();
/* Release the LPTIM1 Periheral Clock Reset */
__HAL_RCC_LPTIM1_RELEASE_RESET();
/* USER CODE END LPTIM1_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_LPTIM1_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
/**LPTIM1 GPIO Configuration
PC3 ------> LPTIM1_ETR
*/
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF1_LPTIM1;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* LPTIM1 interrupt Init */
HAL_NVIC_SetPriority(LPTIM1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(LPTIM1_IRQn);
/* USER CODE BEGIN LPTIM1_MspInit 1 */
/* USER CODE END LPTIM1_MspInit 1 */
}
}
/**
* @brief LPTIM MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hlptim: LPTIM handle pointer
* @retval None
*/
void HAL_LPTIM_MspDeInit(LPTIM_HandleTypeDef* hlptim)
{
if(hlptim->Instance==LPTIM1)
{
/* USER CODE BEGIN LPTIM1_MspDeInit 0 */
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
/* Disable LSE clock */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/* Select the PCLK clock as LPTIM1 peripheral clock */
RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPTIM1;
RCC_PeriphCLKInitStruct.Lptim1ClockSelection = RCC_LPTIM1CLKSOURCE_PCLK1;
HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
/* Force the LPTIM1 Periheral Clock Reset */
__HAL_RCC_LPTIM1_FORCE_RESET();
/* Release the LPTIM1 Periheral Clock Reset */
__HAL_RCC_LPTIM1_RELEASE_RESET();
/* USER CODE END LPTIM1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_LPTIM1_CLK_DISABLE();
/**LPTIM1 GPIO Configuration
PC3 ------> LPTIM1_ETR
*/
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_3);
/* LPTIM1 interrupt DeInit */
HAL_NVIC_DisableIRQ(LPTIM1_IRQn);
/* USER CODE BEGIN LPTIM1_MspDeInit 1 */
/* USER CODE END LPTIM1_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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