Time Stamp

Typedefs
typedef void(*	EVR::eventCallback) (void *userarg, epicsUInt32 event)

Functions
virtual void	EVR::setSourceTS (TSSource)=0
	Select source which increments TS counter. More...
virtual TSSource	EVR::SourceTS () const =0
virtual double	EVR::clockTS () const =0
virtual void	EVR::clockTSSet (double)=0
virtual epicsUInt32	EVR::tsDiv () const =0
	When using internal TS source gives the divider from event clock period to TS period. More...
virtual bool	EVR::interestedInEvent (epicsUInt32 event, bool set)=0
virtual bool	EVR::TimeStampValid () const =0
virtual IOSCANPVT	EVR::TimeStampValidEvent () const =0
virtual bool	EVR::getTimeStamp (epicsTimeStamp *ts, epicsUInt32 event)=0
virtual bool	EVR::getTicks (epicsUInt32 *tks)=0
virtual IOSCANPVT	EVR::eventOccurred (epicsUInt32 event) const =0
virtual void	EVR::eventNotifyAdd (epicsUInt32 event, eventCallback, void *)=0
virtual void	EVR::eventNotifyDel (epicsUInt32 event, eventCallback, void *)=0

Detailed Description

Configuration and access to the hardware timestamp

Typedef Documentation

eventCallback

typedef void(* EVR::eventCallback) (void *userarg, epicsUInt32 event)

Definition at line 158 of file evr.h.

Function Documentation

clockTS()

virtual double EVR::clockTS ( ) const

pure virtual

Find current TS settings

Returns

Clock rate in Hz

Implemented in EVRMRM.

clockTSSet()

virtual void EVR::clockTSSet ( double  )

pure virtual

Set TS frequency

Parameters

clk	Clock rate in Hz

Implemented in EVRMRM.

eventNotifyAdd()

virtual void EVR::eventNotifyAdd ( epicsUInt32  event, eventCallback  , void *    )

pure virtual

Implemented in EVRMRM.

eventNotifyDel()

virtual void EVR::eventNotifyDel ( epicsUInt32  event, eventCallback  , void *    )

pure virtual

Implemented in EVRMRM.

eventOccurred()

virtual IOSCANPVT EVR::eventOccurred ( epicsUInt32  event ) const

pure virtual

Implemented in EVRMRM.

getTicks()

virtual bool EVR::getTicks ( epicsUInt32 *  tks )

pure virtual

Returns the current value of the Timestamp Event Counter

Parameters

tks	Pointer to be filled with the counter value

Returns

false if the counter value is not valid

Implemented in EVRMRM.

getTimeStamp()

virtual bool EVR::getTimeStamp ( epicsTimeStamp *  ts, epicsUInt32  event  )

pure virtual

Gives the current time stamp as sec+nsec

Parameters

ts	This pointer will be filled in with the current time
event	N<=0 Return the current wall clock time
event	N>0 Return the time the most recent event # N was received.

Returns

true When ts was updated

false When ts could not be updated

Implemented in EVRMRM.

interestedInEvent()

virtual bool EVR::interestedInEvent ( epicsUInt32  event, bool  set  )

pure virtual

Indicate (lack of) interest in a particular event code. This allows an EVR to ignore event codes which are not needed.

Implemented in EVRMRM.

setSourceTS()

virtual void EVR::setSourceTS ( TSSource  )

pure virtual

Select source which increments TS counter.

Implemented in EVRMRM.

SourceTS()

virtual TSSource EVR::SourceTS ( ) const

pure virtual

Implemented in EVRMRM.

TimeStampValid()

virtual bool EVR::TimeStampValid ( ) const

pure virtual

Implemented in EVRMRM.

TimeStampValidEvent()

virtual IOSCANPVT EVR::TimeStampValidEvent ( ) const

pure virtual

Implemented in EVRMRM.

tsDiv()

virtual epicsUInt32 EVR::tsDiv ( ) const

pure virtual

When using internal TS source gives the divider from event clock period to TS period.

Implemented in EVRMRM.