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Chapter 2. Setting up the software

Tim Hoagland

11/3/04

#ifndef __MYEVENTSEGMENT_H // ➊

#define __MTEVENTSEGMENT_H

#ifdef HAVE_STD_NAMESPACE

using namespace std; // ➋

#endif

#include <spectrodaq.h>

#include <CEventSegment.h>

#include <CDocumentedPacket.h>

#include <CAENcard.h>

#define CAENTIMEOUT 50

// Declares a class derived from CEventSegment

class MyEventSegment : public CEventSegment // ➌

{

private:

CDocumentedPacket m_MyPacket; // ➍

CAENcard* module; // ➎

public:

MyEventSegment(short slot,unsigned short Id); // ➏

// Defines packet info

~MyEventSegment(); // ➐

virtual void Initialize(); // ➑

// One time Module setup

virtual void Clear(); // ➒

// Resets data buffer

virtual unsigned int MaxSize(); // (10)

virtual DAQWordBufferPtr& Read(DAQWordBufferPtr& rBuf); // (11)

// Reads data buffer

};

#endif

The header deﬁnes the class, its internal data and the services it exports to the readout framework. Refer

to the circled numbers in the listing above when reading the following explanation.

Ê Each header should protect itself against being included more than once per compilation unit. This

#ifndef directive and the subsequente #deﬁne do this. The ﬁrst time the header is included,

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ADC 400F Handbuch Seite 12