Timestamp Configuration Functions - ST STM32F31xx User Manual

Real-time clock (RTC)
Parameters
Return values
Notes
19.2.31

Timestamp configuration functions

19.2.31.1 RTC_TimeStampCmd
Function Name
Function Description
Parameters
Return values
Notes
384/584

RTC_SmoothCalibPeriod : : Select the Smooth Calibration
Period. This parameter can be can be one of the following
values:

RTC_SmoothCalibPeriod_32sec :
calibration periode is 32s.

RTC_SmoothCalibPeriod_16sec :
calibration periode is 16s.

RTC_SmoothCalibPeriod_8sec :
calibartion periode is 8s.

RTC_SmoothCalibPlusPulses : : Select to Set or reset the
CALP bit. This parameter can be one of the following values:

RTC_SmoothCalibPlusPulses_Set :
RTCCLK puls every 2**11 pulses.

RTC_SmoothCalibPlusPulses_Reset :
pulses are added.

RTC_SmouthCalibMinusPulsesValue : Select the value of
CALM[8:0] bits. This parameter can be one any value from 0
to 0x000001FF.

An ErrorStatus enumeration value:

SUCCESS: RTC Calib registers are configured

ERROR: RTC Calib registers are not configured

None.
void RTC_TimeStampCmd ( uint32_t RTC_TimeStampEdge,
FunctionalState NewState)
Enables or Disables the RTC TimeStamp functionality with the
specified time stamp pin stimulating edge.

RTC_TimeStampEdge : Specifies the pin edge on which the
TimeStamp is activated. This parameter can be one of the
following:

RTC_TimeStampEdge_Rising :
occurs on the rising edge of the related pin.

RTC_TimeStampEdge_Falling :
occurs on the falling edge of the related pin.

NewState : new state of the TimeStamp. This parameter can
be: ENABLE or DISABLE.

None.

None.
DocID023800 Rev 1
UM1581
The smooth
The smooth
The smooth
Add one
No RTCCLK
the Time stamp event
the Time stamp event