BOOL CSignalDefinerDlg::OnInitDialog()
{
CDialog::OnInitDialog();
UpdateData(FALSE);
m_ctrNoOfCycles.SetCurSel(m_nSelCycle);
//Get the CWnd reference to the DMGraph ActiveX control
m_poDMGraphCtrl = GetDlgItem(IDC_DMGRAPHCTRL);
/*Set Graph properties*/
if( m_poDMGraphCtrl->m_hWnd != NULL )
{
LPUNKNOWN pUnk = m_poDMGraphCtrl->GetControlUnknown();
IDMGraphCtrl* pDMGraphCtrl = NULL;
pUnk->QueryInterface(IID_IDMGraphCtrl, (void**) &pDMGraphCtrl);
if ( pDMGraphCtrl ==NULL )
{
return TRUE;
}
// Set Axis Color
pDMGraphCtrl->put_AxisColor((OLE_COLOR)0xFF);
// Set Plot Area Color
pDMGraphCtrl->put_PlotAreaColor((OLE_COLOR)0x00);
// Set Grid Color
pDMGraphCtrl->put_GridColor((OLE_COLOR)0xC0C0C0);
// Set Frame Style
pDMGraphCtrl->put_FrameStyle((FrameStyle)1);
// Set Frame Color
pDMGraphCtrl->put_ControlFrameColor((OLE_COLOR)0x5500);
// Set Grid Lines Count
CComPtr<IDMGraphAxis> spAxisX;
pDMGraphCtrl->get_Axis( HorizontalX, &spAxisX);
spAxisX->put_GridNumber(10);
CComPtr<IDMGraphAxis> spAxisY;
pDMGraphCtrl->get_Axis( VerticalY, &spAxisY);
spAxisY->put_GridNumber(5);
if (NULL != pDMGraphCtrl)
{
pDMGraphCtrl->Release();
pDMGraphCtrl = NULL;
}
}
vGenerateWave();
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
/* Read thread function for graph display*/
DWORD WINAPI SignalDataPlotterThread(LPVOID pVoid)
{
CPARAM_THREADPROC* pThreadParam = (CPARAM_THREADPROC*) pVoid;
if (pThreadParam == NULL)
{
return (DWORD)-1;
}
pThreadParam->m_unActionCode = CREATE_TIME_MAP;
int nBufferSize = 0;
for(int nBUSId = 0; nBUSId<AVAILABLE_PROTOCOLS; nBUSId++)
{
if(m_pomGraphWindows[nBUSId] != NULL)
{
int nRefreshTime =
m_pomGraphWindows[nBUSId]->m_pGraphList->m_odGraphParameters.m_nRefreshRate;
nBufferSize = m_pomGraphWindows[nBUSId]->m_pGraphList->m_odGraphParameters.m_nBufferSize;
}
}
//Clear the buffer with previous contents if any.
m_ouMsgInterpretBuffer.vClearMessageBuffer();
LONGLONG g_nInitTimeStamp[MAX_PROTOCOLS] = {0};
double g_dElapsdTime[MAX_PROTOCOLS] = {0};
bool bLoopON = true;
//Allow the connection related activities take place prior to proceeding with loop
Sleep(1000);
UINT64 unPointsCnt = 0;
while (bLoopON)
{
//Commented by Arunkumar Karri on 07/02/2012 to make the plotting realtime.
//Sleep(nRefreshTime);
//Introduced a 50 Millisecond delay
Sleep(50);
if(pThreadParam->m_unActionCode == IDLE)
{
bLoopON = false;
}
while(m_ouMsgInterpretBuffer.GetMsgCount() > 0)
{
INT nType = 0;
INT nSize = MAX_DATA_LEN_J1939;
SINTERPRETDATA_LIST sInterpretList;
sInterpretList.m_unValue.m_dPhysical = 0;
sInterpretList.m_unValue.m_nRawValue = 0;
HRESULT hResult = m_ouMsgInterpretBuffer.ReadFromBuffer(nType,
(BYTE*)&sInterpretList, nSize);
//Get access to the Graph control
IDMGraphCtrl* pDMGraphCtrl = m_pomGraphWindows[nType]->m_pDMGraphCtrl;
if ( pDMGraphCtrl ==NULL )
{
return 0;
}
//Get the Graph collectrion
CComPtr<IDMGraphCollection> spGraphCollection;
pDMGraphCtrl->get_Elements(&spGraphCollection);
if(hResult == S_OK && m_pomGraphWindows[nType]!=NULL)
{
if(g_nInitTimeStamp[nType] == 0)
{
g_nInitTimeStamp[nType] = sInterpretList.m_nTimeStamp;
g_dElapsdTime[nType] = CTimeManager::nCalculateCurrTimeStamp() -
CTimeManager::nGetAbsoluteTime();
g_dElapsdTime[nType] /= defTIMER_RESOLUTION_FACTOR;
}
double dAbsTime = (double)sInterpretList.m_nTimeStamp - g_nInitTimeStamp[nType];
dAbsTime /= defTIMER_RESOLUTION_FACTOR;
dAbsTime+=g_dElapsdTime[nType];
CGraphElement odTemp;
CGraphList* podList = NULL;
podList = m_pomGraphWindows[nType]->m_pGraphList;
INT_PTR nItemCount = podList->m_omElementList.GetSize();
for( int nIndex = 0; nIndex < nItemCount; nIndex++ )
{
CComPtr<IDispatch> spDispatch;
CComPtr<IDMGraphElement> spGraphElement;
hResult = spGraphCollection->get_Item(nIndex, &spDispatch);
if ( spDispatch == NULL )
{
return 0;
}
hResult = spDispatch.QueryInterface(&spGraphElement);
odTemp = podList->m_omElementList[ nIndex ];
//if the read data is of type signal
if( hResult == S_OK &&
odTemp.m_bEnabled == TRUE &&
odTemp.m_nValueType != eSTAT_PARAM &&
sInterpretList.unMsgID == (unsigned int)odTemp.m_nMsgID)
{
CString strSigName(sInterpretList.m_acSigName);
if(odTemp.m_omStrElementName == strSigName)
{
if(sInterpretList.m_shType == odTemp.m_nValueType)
{
if(odTemp.m_nValueType == eRAW_VALUE)
{
spGraphElement->PlotXY(dAbsTime,
(double)sInterpretList.m_unValue.m_nRawValue);
}
else
{
spGraphElement->PlotXY(dAbsTime,
sInterpretList.m_unValue.m_dPhysical);
}
unPointsCnt++;
}
}
}
//If the read data from buffer is of parameter type
else if( odTemp.m_bEnabled == TRUE &&
odTemp.m_nValueType == eSTAT_PARAM &&
sInterpretList.unMsgID == (unsigned int)nIndex)
{
double dTime = CTimeManager::nCalculateCurrTimeStamp() -
CTimeManager::nGetAbsoluteTime();
dTime /= defTIMER_RESOLUTION_FACTOR;
if(sInterpretList.m_unValue.m_nRawValue == -1)
{
spGraphElement->PlotXY(dTime,
sInterpretList.m_unValue.m_dPhysical);
}
else
{
spGraphElement->PlotXY(dTime,
(double)sInterpretList.m_unValue.m_nRawValue);
}
unPointsCnt++;
}
}
//If the plotted points exceeds the maximum buffer limit
if ( unPointsCnt > nBufferSize )
{
vClearGraphElementPoints(spGraphCollection);
//After clearing the Graph, sleep for 100 msec
Sleep(100);
unPointsCnt = 0;
}
}
}
double dAbsTime = CTimeManager::nCalculateCurrTimeStamp() -
CTimeManager::nGetAbsoluteTime();
dAbsTime /= defTIMER_RESOLUTION_FACTOR;
for(register int nBusID = 0; nBusID<AVAILABLE_PROTOCOLS; nBusID++)
{
if(m_pomGraphWindows[nBusID] == NULL)
{
continue;
}
//check if windows is already distroyed.
if(!IsWindow(m_pomGraphWindows[nBusID]->m_hWnd))
{
m_pomGraphWindows[nBusID]->m_pDMGraphCtrl = NULL;
m_pomGraphWindows[nBusID] = NULL;
continue;
}
if ( m_pomGraphWindows[nBusID]->m_pDMGraphCtrl == NULL )
{
break;
}
IDMGraphCtrl* pDMGraphCtrl = m_pomGraphWindows[nBusID]->m_pDMGraphCtrl;
if ( pDMGraphCtrl == NULL )
{
break;
}
//Update X-axis Range
double dXMin = 0.0, dXMax = 0.0,dYMin = 0.0, dYMax = 0.0;
// Get Present X,Y Axis Values
pDMGraphCtrl->GetRange(&dXMin, &dXMax,&dYMin, &dYMax);
// Check the Max Range is lesser then the present time value
// If the time axis is old then set the latest value
if( dXMax < dAbsTime )
{
double dRange = dXMax - dXMin;
// Update Graph Control
pDMGraphCtrl->SetRange(dAbsTime - dRange, dAbsTime, dYMin, dYMax);
}
}
}
return 0;
}
/**
* \brief Plots the element points available onto the Graph
* \param[out] -
* \param[in] pvarrX, pvarrY; Takes the element points in the form of VARIANT array
* \return void
* \authors Arunkumar Karri
* \date 03.02.2012 Created
*/
void CSignalDefinerDlg::SetGraphData(VARIANT* pvarrX, VARIANT* pvarrY)
{
CComBSTR bsName("Signal");
IDMGraphCtrl* pDMGraphCtrl = NULL;
/*CComPtr<IDMGraphCollection> spElements;*/
CComPtr<IDMGraphElement> spGraphElement;
if( m_poDMGraphCtrl->m_hWnd != NULL )
{
LPUNKNOWN pUnk = m_poDMGraphCtrl->GetControlUnknown();
pUnk->QueryInterface(IID_IDMGraphCtrl, (void**) &pDMGraphCtrl);
if ( pDMGraphCtrl ==NULL )
{
return;
}
}
HRESULT hr = pDMGraphCtrl->get_Elements(&spElements);
//Set the signal name as caption
pDMGraphCtrl->put_Caption(m_strSignalName);
long i, nElementCount = 0;
BOOL bReplace = FALSE;
hr = spElements->get_Count(&nElementCount);
for(i=0; i<nElementCount; i++)
{
CComBSTR bsElemName;
CComPtr<IDispatch> spDispatch;
hr = spElements->get_Item(i, &spDispatch);
hr = spDispatch.QueryInterface(&spGraphElement);
spGraphElement->get_Name(&bsElemName);
if(_wcsicmp(bsElemName, bsName) == 0)
{
spGraphElement->Plot(*pvarrX, *pvarrY);
pDMGraphCtrl->AutoRange();
return;
}
else
{
spGraphElement = NULL;
}
}
if(bReplace == FALSE || spGraphElement == NULL)
{
CComPtr<IDispatch> spDispatch;
hr = spElements->Add(&spDispatch);
spGraphElement = NULL;
hr = spDispatch.QueryInterface(&spGraphElement);
}
hr = spGraphElement->put_Name(bsName);
hr = spGraphElement->put_PointSymbol( Dots );
hr = spGraphElement->put_PointSize(2);
hr = spGraphElement->Plot(*pvarrX, *pvarrY);
hr = pDMGraphCtrl->AutoRange();
if (NULL != pDMGraphCtrl)
{
pDMGraphCtrl->Release();
pDMGraphCtrl = NULL;
}
SysFreeString(bsName);
}