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165 lines
4.2 KiB
165 lines
4.2 KiB
/* USER CODE BEGIN Header */
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/**
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***************************************************************************************
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* File Name : stm32_lpm_if.c
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* Description : Low layer function to enter/exit low power modes (stop, sleep).
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***************************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2019 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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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "stm32_lpm_if.h"
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#include "stm32_lpm.h"
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#include "app_conf.h"
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/* USER CODE BEGIN include */
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/* USER CODE END include */
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/* Exported variables --------------------------------------------------------*/
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const struct UTIL_LPM_Driver_s UTIL_PowerDriver =
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{
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PWR_EnterSleepMode,
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PWR_ExitSleepMode,
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PWR_EnterStopMode,
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PWR_ExitStopMode,
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PWR_EnterOffMode,
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PWR_ExitOffMode,
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};
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/* Private function prototypes -----------------------------------------------*/
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static void Switch_On_HSI( void );
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/* USER CODE BEGIN Private_Function_Prototypes */
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/* USER CODE END Private_Function_Prototypes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN Private_Typedef */
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/* USER CODE END Private_Typedef */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN Private_Define */
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/* USER CODE END Private_Define */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN Private_Macro */
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/* USER CODE END Private_Macro */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN Private_Variables */
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/* USER CODE END Private_Variables */
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/* Functions Definition ------------------------------------------------------*/
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/**
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* @brief Enters Low Power Off Mode
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* @param none
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* @retval none
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*/
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void PWR_EnterOffMode( void )
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{
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/* USER CODE BEGIN PWR_EnterOffMode */
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/* USER CODE END PWR_EnterOffMode */
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}
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/**
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* @brief Exits Low Power Off Mode
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* @param none
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* @retval none
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*/
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void PWR_ExitOffMode( void )
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{
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/* USER CODE BEGIN PWR_ExitOffMode */
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/* USER CODE END PWR_ExitOffMode */
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}
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/**
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* @brief Enters Low Power Stop Mode
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* @note ARM exists the function when waking up
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* @param none
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* @retval none
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*/
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void PWR_EnterStopMode( void )
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{
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/* USER CODE BEGIN PWR_EnterStopMode */
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/* USER CODE END PWR_EnterStopMode */
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}
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/**
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* @brief Exits Low Power Stop Mode
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* @note Enable the pll at 32MHz
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* @param none
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* @retval none
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*/
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void PWR_ExitStopMode( void )
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{
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/* USER CODE BEGIN PWR_ExitStopMode */
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/* USER CODE END PWR_ExitStopMode */
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}
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/**
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* @brief Enters Low Power Sleep Mode
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* @note ARM exits the function when waking up
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* @param none
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* @retval none
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*/
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void PWR_EnterSleepMode( void )
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{
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/* USER CODE BEGIN PWR_EnterSleepMode */
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/* USER CODE END PWR_EnterSleepMode */
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}
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/**
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* @brief Exits Low Power Sleep Mode
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* @note ARM exits the function when waking up
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* @param none
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* @retval none
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*/
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void PWR_ExitSleepMode( void )
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{
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/* USER CODE BEGIN PWR_ExitSleepMode */
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/* USER CODE END PWR_ExitSleepMode */
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}
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/*************************************************************
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*
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* LOCAL FUNCTIONS
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*
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*************************************************************/
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/**
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* @brief Switch the system clock on HSI
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* @param none
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* @retval none
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*/
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static void Switch_On_HSI( void )
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{
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LL_RCC_HSI_Enable( );
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while(!LL_RCC_HSI_IsReady( ));
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LL_RCC_SetSysClkSource( LL_RCC_SYS_CLKSOURCE_HSI );
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LL_RCC_SetSMPSClockSource(LL_RCC_SMPS_CLKSOURCE_HSI);
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while (LL_RCC_GetSysClkSource( ) != LL_RCC_SYS_CLKSOURCE_STATUS_HSI);
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}
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/* USER CODE BEGIN Private_Functions */
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/* USER CODE END Private_Functions */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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