Skip to content

lib: stm32wba: use reference count for backup domain accesses #290

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 25, 2025
Merged

lib: stm32wba: use reference count for backup domain accesses #290

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions lib/stm32wba/BLE_TransparentMode/STM32_WPAN/Target/linklayer_plat.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -70,12 +70,20 @@ void LINKLAYER_PLAT_ClockInit(void)
AHB5_SwitchedOff = 0;
radio_sleep_timer_val = 0;

#ifdef __ZEPHYR__
LINKLAYER_PLAT_EnableBackupDomainAccess();
#else
LL_PWR_EnableBkUpAccess();
#endif

/* Select LSE as Sleep CLK */
__HAL_RCC_RADIOSLPTIM_CONFIG(RCC_RADIOSTCLKSOURCE_LSE);

#ifdef __ZEPHYR__
LINKLAYER_PLAT_DisableBackupDomainAccess();
#else
LL_PWR_DisableBkUpAccess();
#endif

/* Enable AHB5ENR peripheral clock (bus CLK) */
__HAL_RCC_RADIO_CLK_ENABLE();
Expand Down
16 changes: 16 additions & 0 deletions lib/stm32wba/STM32_WPAN/link_layer/ll_sys/inc/linklayer_plat.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,22 @@
*/
extern void LINKLAYER_PLAT_ClockInit(void);

#ifdef __ZEPHYR__
/**
* @brief Enable access to backup domain resources
* @param None
* @retval None
*/
extern void LINKLAYER_PLAT_EnableBackupDomainAccess(void);

/**
* @brief Disable access to backup domain resources
* @param None
* @retval None
*/
extern void LINKLAYER_PLAT_DisableBackupDomainAccess(void);
#endif /* __ZEPHYR__ */

/**
* @brief Link Layer active waiting loop.
* @param delay: delay in us
Expand Down