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RIOT/cpu/stm32/include/periph/cpu_backup_ram.h

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944 B
C

/*
* Copyright (C) 2022 Otto-von-Guericke-Universität Magdeburg
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_stm32
* @{
*
* @file
* @brief Backup SRAM CPU specific definitions for the STM32 family
*
* @author Fabian Hüßler <fabian.huessler@ovgu.de>
*/
#ifndef PERIPH_CPU_BACKUP_RAM_H
#define PERIPH_CPU_BACKUP_RAM_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Backup RAM must be initialized with @ref backup_ram_init on reset
*/
#define BACKUP_RAM_HAS_INIT 1
/**
* @brief Enable backup RAM access
*/
void backup_ram_init(void);
/**
* @brief Returns true if the CPU woke up from deep sleep (backup/standby)
*/
bool cpu_woke_from_backup(void);
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CPU_BACKUP_RAM_H */
/** @} */