TPeriodicClass Class Reference

#include <TPeriodicClass.hxx>

Inheritance diagram for TPeriodicClass:

Collaboration diagram for TPeriodicClass:

Public Types
typedef void(*	TimerHandler )(void)
Public Member Functions
	TPeriodicClass (int period_msec, TimerHandler handler)
Bool_t	Notify ()
	~TPeriodicClass ()
Public Attributes
int	fPeriod_msec
TimerHandler	fHandler
double	fLastTime

Detailed Description

Definition at line 14 of file TPeriodicClass.hxx.

Member Typedef Documentation

typedef void(* TPeriodicClass::TimerHandler)(void)

Definition at line 17 of file TPeriodicClass.hxx.

Constructor & Destructor Documentation

TPeriodicClass::TPeriodicClass	(	int	period_msec,
		TimerHandler	handler
	)

Definition at line 13 of file TPeriodicClass.cxx.

References fHandler, fLastTime, fPeriod_msec, and GetTimeSec().

00014 {
00015   assert(handler != NULL);
00016   fPeriod_msec = period_msec;
00017   fHandler  = handler;
00018   fLastTime = GetTimeSec();
00019   Start(period_msec,kTRUE);
00020 }

Here is the call graph for this function:

TPeriodicClass::~TPeriodicClass ( ) [inline]

Definition at line 27 of file TPeriodicClass.hxx.

00028   {
00029     TurnOff();
00030   }

Member Function Documentation

Bool_t TPeriodicClass::Notify ( )

Definition at line 22 of file TPeriodicClass.cxx.

References fHandler, fLastTime, fPeriod_msec, and GetTimeSec().

00023 {
00024   double t = GetTimeSec();
00025   //printf("timer notify, period %f should be %f!\n",t-fLastTime,fPeriod_msec*0.001);
00026   
00027   if (t - fLastTime >= 0.9*fPeriod_msec*0.001)
00028     {
00029       //printf("timer: call handler %p\n",fHandler);
00030       if (fHandler)
00031         (*fHandler)();
00032       
00033       fLastTime = t;
00034     }
00035   
00036   Reset();
00037   return kTRUE;
00038 }