cpu_backup_ram.h
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1 /*
2  * Copyright (C) 2022 Otto-von-Guericke-Universität Magdeburg
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
19 #ifndef PERIPH_CPU_BACKUP_RAM_H
20 #define PERIPH_CPU_BACKUP_RAM_H
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
29 #define BACKUP_RAM_HAS_INIT 1
30 
34 void backup_ram_init(void);
35 
39 bool cpu_woke_from_backup(void);
40 
41 #ifdef __cplusplus
42 }
43 #endif
44 
45 #endif /* PERIPH_CPU_BACKUP_RAM_H */
backup_ram_init
void backup_ram_init(void)
Enable backup RAM access.
cpu_woke_from_backup
bool cpu_woke_from_backup(void)
Returns true if the CPU woke up from deep sleep (backup/standby)