Commit 55b5d9a0 authored by Etienne Carriere's avatar Etienne Carriere Committed by Erwan Gouriou
Browse files

lib: stm32wba: use reference count for backup domain accesses 



Add LINKLAYER_PLAT_EnableBackupDomainAccess()  and
LINKLAYER_PLAT_DisableBackupDomainAccess() to use Zephyr resources
that use a reference counter for access requests, for enabling
and disabling access the BackupDomain resources.

Signed-off-by: default avatarEtienne Carriere <etienne.carriere@foss.st.com>
parent 41952fe9

lib/stm32wba/BLE_TransparentMode/STM32_WPAN/Target/linklayer_plat.c

+8 −0
Original line number Diff line number Diff line
@@ -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();

lib/stm32wba/STM32_WPAN/link_layer/ll_sys/inc/linklayer_plat.h

+16 −0
Original line number Diff line number Diff line
@@ -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

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