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ECG recording, storing, filtering and recognition

, 14 Apr 2004
Full open code project for making driver and application software for ECG medical measurements.
ecg_dsp_src.zip
drvECG_1
drvECG_1.clw
drvECG_1.def
drvECG_1.dsp
drvECG_1.dsw
drvECG_1.exp
drvECG_1.ilk
drvECG_1.lib
res
Ecg_1
ECG_1.clw
ECG_1.dsp
ECG_1.dsw
ECG_DRAW.obj
ECG_Statistic_View.lib
ECG_VIEW.exp
ECG_VIEW.ilk
ECG_VIEW.lib
TestOCX.ocx
drvECG_1.exp
drvECG_1.ilk
drvECG_1.lib
resource.hm
res
ECG_1.ico
bitmap1.bmp
bmp00001.bmp
setup.bmp
ECG_Statistic_View
ECG_Statistic_View.clw
ECG_Statistic_View.def
ECG_Statistic_View.dsp
ECG_Statistic_View.dsw
res
ECG_VIEW
ECG_DRAW.obj
ECG_VIEW.APS
ECG_VIEW.clw
ECG_VIEW.def
ECG_VIEW.dll
ECG_VIEW.dsp
ECG_VIEW.dsw
ECG_VIEW.exp
ECG_VIEW.lib
res
testrecord2.zip
georgi.ecg
test_file1.zip
test_file1.ecg
// ECG_Data.cpp: implementation of the ECG_Data class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "ECG_1.h"
#include "ECG_Data.h"
#include "Person.h"
#include "Ecg_Info.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CECG_Data::CECG_Data()
{

}

CECG_Data::~CECG_Data()
{

}

void CECG_Data::SetDataNew(double *source, int lenght,CString comment,int QRS_count,int QRS_ms,int PR_ms,int QT_QTc_ms,BYTE hh,BYTE mm)
{
	for(int i = 0;i<lenght;i++)
	{
		DATA.Add(short(*(source+i)));
	}
	COMMENT.Add(comment);
	QRS_COUNT.Add(QRS_count);
	QRS_MS.Add(QRS_ms);
	PR_MS.Add(PR_ms);
	QT_QTc_MS.Add(QT_QTc_ms);
	TIME.Add(SetTime(hh,mm));
}

void CECG_Data::SetDataAt(double *source,int start, int lenght)
{
	//Set data at specific position in start
	//Chect for overloading DATA array
	if(start+lenght<=GetAllDataLenght())
	{
		for(int i=0;i<lenght;i++)
		{
			DATA.SetAt(start+i,short(*(source+i)));
		}
	}
}

void CECG_Data::GetFrom(double *dest,int start, int lenght)
{
	//gets data from specific position start
	//Chect for overloading DATA array
	if(start+lenght<=GetAllDataLenght())
	{
		for(int i=0;i<lenght;i++)
		{
			*(dest+i) = double(short(DATA.GetAt(start+i)));
		}
	}
}

void CECG_Data::Message(double msg)
{
	short i = -32000;
	DATA.Add(i);
	CString str;
	str.Format("%d",short(DATA.GetAt(0)));
	str.Format("%d",GetAllDataLenght());
	MessageBox(NULL,str,"Message",MB_OK);
}

int CECG_Data::GetAllDataLenght()
{
	return DATA.GetSize();
}

void CECG_Data::SaveData(CString File_Name)
{
	CFile sFile(File_Name,CFile::modeCreate|CFile::modeWrite);
	CArchive dArchive(&sFile,CArchive::store);
	
	//Serialize the arrays
	SerializeAll(&dArchive);
}

void CECG_Data::OpenFile(CString File_Name)
{
	RemoveAll();
	CFile oFile(File_Name,CFile::modeRead);
	//Move file pointer to the file begining
	oFile.Seek(0,CFile::begin);
	DWORD f_lenght = oFile.GetLength();
	CArchive dArchive(&oFile,CArchive::load);
	
	//Serialize the arrays
	SerializeAll(&dArchive);
}

void CECG_Data::RemoveAll()
{
	//Free the memory
	DATA.RemoveAll();
	COMMENT.RemoveAll();
	QRS_COUNT.RemoveAll();
	QRS_MS.RemoveAll();
	PR_MS.RemoveAll();
	QT_QTc_MS.RemoveAll();
	TIME.RemoveAll();
}

void CECG_Data::SerializeAll(CArchive* ar)
{
	//Serialize the arrays
	DATA.Serialize(*ar);
	COMMENT.Serialize(*ar);
	QRS_COUNT.Serialize(*ar);
	QRS_MS.Serialize(*ar);
	PR_MS.Serialize(*ar);
	QT_QTc_MS.Serialize(*ar);
	TIME.Serialize(*ar);

	person.Serialize(*ar);
	ecg_info.Serialize(*ar);
}

void CECG_Data::SetInfoAt(int pos, CString comment, int qrs_count, int qrs_ms, int pr_ms, int qt_qtc_ms,BYTE hh,BYTE mm)
{
	if(pos<=QRS_COUNT.GetSize())
	{
		QRS_COUNT.SetAt(pos,qrs_count);
		COMMENT.SetAt(pos,comment);
		QRS_MS.SetAt(pos,qrs_ms);
		PR_MS.SetAt(pos,pr_ms);
		QT_QTc_MS.SetAt(pos,qt_qtc_ms);	
		TIME.SetAt(pos,SetTime(hh,mm));
	}
}

CString CECG_Data::GetInfoFrom(int pos, int *qrs_count, int *qrs_ms, int *pr_ms, int *qt_qtc_ms,BYTE* hh,BYTE* mm)
{
	if(pos<=QRS_COUNT.GetSize())
	{
		*qrs_count = QRS_COUNT.GetAt(pos);
		*qrs_ms = QRS_MS.GetAt(pos);
		*pr_ms = PR_MS.GetAt(pos);
		*qt_qtc_ms = QT_QTc_MS.GetAt(pos);
		GetTime(TIME.GetAt(pos),hh,mm);
	}
	return COMMENT.GetAt(pos);
}


WORD CECG_Data::SetTime(BYTE hh, BYTE mm)
{
	//converts hh & mm in to one word variable
	WORD w_time;
	w_time = hh;
	w_time = w_time << 8;
	w_time = w_time|mm;

	return w_time;

}

void CECG_Data::GetTime(WORD w_time, BYTE *hh, BYTE *mm)
{
	*mm = w_time & 0xFF;
	w_time = w_time >> 8;
	*hh = w_time & 0xFF;

}

int CECG_Data::GetQRSCount(int pos)
{
	//returns the QRS count for a specific record
	int count=0;
	if(pos<=QRS_COUNT.GetSize())
		count = QRS_COUNT.GetAt(pos);

	return count;
}

void CECG_Data::GetPosTime(int pos, BYTE *hh, BYTE *mm)
{
	if(pos<=TIME.GetSize())
	{
		if(pos<=TIME.GetSize())
		{
			GetTime(TIME.GetAt(pos),hh,mm);
		}
	}
}

int CECG_Data::GetQRSms(int pos)
{
	int count=0;
	if(pos<=QRS_MS.GetSize())
		count = QRS_MS.GetAt(pos);

	return count;

}

int CECG_Data::GetPRms(int pos)
{
	int count=0;
	if(pos<=PR_MS.GetSize())
		count = PR_MS.GetAt(pos);

	return count;
}

int CECG_Data::GetQTQTcms(int pos)
{
	int count=0;
	if(pos<=QT_QTc_MS.GetSize())
		count = QT_QTc_MS.GetAt(pos);

	return count;
}

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About the Author

Georgi Petrov
Systems Engineer
Bulgaria Bulgaria
PhD, Cum Laude in digital automation systems
M.S. in Telemommunication management
B.S. in Telecommunication systems engineering
Programming: CUDA, C/C++, VHDL
Software and Hardware development and consulting:
data acquisition, image processing, medical instrumentation

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