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fix(backup): enable RTC clock for TAMP backup registers #2153

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Merged
fpistm merged 1 commit into from
Oct 30, 2023
Merged

fix(backup): enable RTC clock for TAMP backup registers #2153

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8 changes: 8 additions & 0 deletions cores/arduino/stm32/backup.h
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,10 @@ static inline void enableBackupDomain(void)
/* Enable BKPSRAM CLK for backup SRAM */
__HAL_RCC_BKPSRAM_CLK_ENABLE();
#endif
#if defined(TAMP_BKP0R) && defined(__HAL_RCC_RTCAPB_CLK_ENABLE)
/* Enable RTC CLK for TAMP backup registers */
__HAL_RCC_RTCAPB_CLK_ENABLE();
#endif
}

static inline void disableBackupDomain(void)
Expand All @@ -102,6 +106,10 @@ static inline void disableBackupDomain(void)
/* Disable BKP CLK for backup registers */
__HAL_RCC_BKP_CLK_DISABLE();
#endif
#if defined(TAMP_BKP0R) && defined(__HAL_RCC_RTCAPB_CLK_DISABLE)
/* Disable RTC CLK for TAMP backup registers */
__HAL_RCC_RTCAPB_CLK_DISABLE();
#endif
}

static inline void setBackupRegister(uint32_t index, uint32_t value)
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