__HAL_RTC_WRITEPROTECTION_DISABLE macro

Disable the write protection for RTC registers.

Syntax

#define __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__) do { \ (__HANDLE__)->Instance->WPR = 0xCAU; \ (__HANDLE__)->Instance->WPR = 0x53U; \ } while(0U)

Arguments

HANDLE

specifies the RTC handle.

Return value

None

Examples

__HAL_RTC_WRITEPROTECTION_DISABLE is referenced by 42 libraries and example projects.

References

Location	Text
stm32f4xx_hal_rtc.h:478	#define __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__) do { \
stm32f4xx_hal_rtc.c:313	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:374	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:754	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:901	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1097	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1294	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1408	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1707	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1721	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1735	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc.c:1748	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:210	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:282	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:331	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:879	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:975	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1072	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1316	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1363	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1426	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1497	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1589	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1625	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1657	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1701	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1745	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
stm32f4xx_hal_rtc_ex.c:1778	__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);