//vcDP5 SDK
#include "stdafx.h"
#include ".\tuneslowthreshold.h"
#include "DppSlowThreshold.h"
#include "UserMsgs.h"

CTuneSlowThreshold::CTuneSlowThreshold(void)
{
}

CTuneSlowThreshold::~CTuneSlowThreshold(void)
{
}

void CTuneSlowThreshold::GetSpectrumData(double * dblMCAData, long * lngMCAData, int mcaCH)
{
	for (int chan=0; chan < mcaCH; chan++)
		dblMCAData[chan] = lngMCAData[chan];
}

double CTuneSlowThreshold::SetSlowThreshToChPos(int ChPosIn, int mcaCH)
{
	CDppSlowThreshold SlowThreshNew;
	CString cstrChPos;
	int ChPos;
	double FSReal;
	UCHAR SlowChThreshold;

	ChPos = ChPosIn;
	if (ChPos == 0) ChPos = 1;
	SlowThreshNew.SetGain(mcaCH);
	SlowThreshNew.GetSlowThresholdSettingFromChannels((double)ChPos);
	SlowChThreshold = SlowThreshNew.GetSlowChThreshold();
	FSReal = (double)SlowChThreshold / 1024.0;
	return FSReal;
}

int CTuneSlowThreshold::GetSlowThreshCalStart(double * SpectrumBuffer, double UpperChMax, int mcaCH)
{
	int MinValidChan = 40;
	int MaxValidChan = 245;
	int LastSlwCh = (int)(mcaCH * 0.24);
	int StartCh = LastSlwCh;
	CString cstrStatus;

	//DisplaySpecBuf25(SpectrumBuffer);
	for (int i = LastSlwCh; i >= 0; i--) {
		if (SpectrumBuffer[i] <= UpperChMax) {
			if (i < StartCh) StartCh = i;
			cstrStatus.Format(" Finding Slow Threshold Test Channel %d ...", i);
		} else {
			break;
		}
	}
	if ((StartCh > 1) && (StartCh < LastSlwCh - 1)) StartCh++;	// remove the last (bad) ch
	// try to tweak 3x if really bad
	if ((SpectrumBuffer[StartCh] > UpperChMax) && (StartCh < LastSlwCh - 1)) {
		StartCh++;
	}
	if ((SpectrumBuffer[StartCh] > UpperChMax) && (StartCh < LastSlwCh - 1)) {
		StartCh++;
	}
	if ((SpectrumBuffer[StartCh] > UpperChMax) && (StartCh < LastSlwCh - 1)) {
		StartCh++;
	}
	MinValidChan = GetSlowThreshChStrFromVal(6, mcaCH);
	if (StartCh < MinValidChan) {	// set to >= 0.5% FS if no slow thresh needed
		StartCh = MinValidChan;	
	}
	MaxValidChan = GetSlowThreshChStrFromVal(245, mcaCH);
	if (StartCh > MaxValidChan) {	// set to >= 24.02% FS if no slow thresh needed
		StartCh = MaxValidChan;	
		AfxMessageBox("Slow threshold value too high. \n Please check your settings.", MB_TOPMOST | MB_OK | MB_ICONSTOP);
	}	
	return StartCh;
}

double CTuneSlowThreshold::GetUpperChCounts(double * SpectrumBuffer, int mcaCH)
{
	int LastSlwCh = (int)(mcaCH * 0.24);
	double ChCounts = 0;
	double CurChCount = 0;
	for (int i = LastSlwCh; i < mcaCH; i++) {
		CurChCount = SpectrumBuffer[i];
		if (CurChCount > 0) {
			ChCounts += CurChCount;
		}
	}
	return ChCounts;
}

double CTuneSlowThreshold::GetUpperChMax(double * SpectrumBuffer, int mcaCH)
{
	int LastSlwCh = (int)(mcaCH * 0.24);
	double ChCount = 0;
	double CurChCount = 0;
	for (int i = LastSlwCh; i < mcaCH; i++) {
		CurChCount = SpectrumBuffer[i];
		if (CurChCount > ChCount) ChCount = CurChCount;
	}
	return ChCount;
}

void CTuneSlowThreshold::DelayTask(DWORD d)
{
    MSG msg;
    d += GetCurrentTime();
    while (GetCurrentTime() < d)
    {
		if (PeekMessage(&msg, NULL, NULL, NULL, PM_REMOVE)) 
		{
	    	TranslateMessage(&msg);
	    	DispatchMessage(&msg);
		}
	}
}

int CTuneSlowThreshold::UpdatePlotCursorPosFromIntChPos(int CurCh, double dblPixPerChan)
{
	double dblPixPos;
	double dblChanPerPix;
	if (dblPixPerChan > 0.0) {
		dblChanPerPix = 1.0 / dblPixPerChan;
		dblPixPos = (double)CurCh * dblChanPerPix;
		int dpos = (int)dblPixPos;
	return dpos;	} else {
		return CurCh;
	}
}

void CTuneSlowThreshold::DisplaySpecBuf25(double * SpectrumBuffer)
{
	CString cstrBuffer("");
	CString cstrChan("");
	for (int i=0;i<25;i++) {
		cstrChan.Format("%f\n",SpectrumBuffer[i]);
		cstrBuffer += cstrChan;
	}
	AfxMessageBox(cstrBuffer);
}

////@mfunc <c CDppSlowThreshold> Get Slow Threshold display text string from Slow Threshold value.
////@parm Slow Threshold value
////@rdesc Slow Threshold display text string
int CTuneSlowThreshold::GetSlowThreshChStrFromVal(UCHAR byteSlowThres, int mcaCH) 
{
	long intSlowThresh;
	double GainChannels;
	GainChannels = (double)mcaCH;
	intSlowThresh = (int)(((double)byteSlowThres * GainChannels / 1024.0) + 0.5);
	return intSlowThresh;
}