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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : standby_stm32wb15.c
* Description : Application configuration file for STM32WPAN Middleware.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2021 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "app_entry.h"
#include "app_common.h"
#include "app_debug.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
uint32_t backup_MSP;
uint32_t backup_IPCC_C1MR;
uint32_t boot_after_standby;
extern RTC_HandleTypeDef hrtc;
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
uint32_t standby_boot_mng(void);
void standby_hw_save(void);
void standby_hw_restore(void);
/* USER CODE BEGIN PFP */
extern void SystemClock_Config(void);
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/*******************************************************************************
* This part may be updated by the user
******************************************************************************/
/**
* @brief standby_hw_save function, saves hardware context to restore
* @param None
* @retval None
*/
void standby_hw_save(void)
{
backup_IPCC_C1MR = READ_REG(IPCC->C1MR);
/* USER CODE BEGIN standby_hw_save */
/* USER CODE END standby_hw_save */
return;
}
/**
* @brief standby_hw_restore function, restore and reconfigure hardware context
* @param None
* @retval None
*/
void standby_hw_restore(void)
{
/* USER CODE BEGIN standby_hw_restore_1 */
/* USER CODE END standby_hw_restore_1 */
APPD_Init();
SystemClock_Config();
HAL_Init();
/* In this user section add MX init functions present in main.c , except MX_RTC_Init() */
/* USER CODE BEGIN standby_hw_restore_2 */
Init_Exti();
MX_GPIO_Init();
MX_DMA_Init();
MX_USART1_UART_Init();
/* USER CODE END standby_hw_restore_2 */
HW_IPCC_Init();
HW_IPCC_Enable();
WRITE_REG(IPCC->C1MR, backup_IPCC_C1MR);
HW_TS_Init(hw_ts_InitMode_Limited, &hrtc);
LL_PWR_EnableSRAM2Retention();
/* USER CODE BEGIN standby_hw_restore_3 */
APPE_Led_Init();
APPE_Button_Init();
/* USER CODE END standby_hw_restore_3 */
return;
}
/*******************************************************************************
* Do not update code from this limit.
******************************************************************************/
/**
* @brief standby_boot_mng function, will restore MCU context if wakeup from standby
* @param None
* @retval None
*/
uint32_t standby_boot_mng(void)
{
#if ( CFG_LPM_STANDBY_SUPPORTED != 0 )
if( __HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET )
{
__disable_irq( );
boot_after_standby = 1;
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
}else{
boot_after_standby = 0;
}
#else
boot_after_standby = 0;
#endif
return boot_after_standby;
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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