Hello
I have next problem with my 'lovely' EasyWatch. After tune attempt I have to check if tuner is locked. Unfortunately BDA Sample doesn't provide functionality to do this so I used a piece of code (found somewhere in Web). It looks like this :
HRESULT CFGraph::CheckLock(BOOLEAN *Locked)
{
HRESULT hr;
CComPtr <IBDA_SignalStatistics> m_pSignalStatistics;
CComPtr <IBDA_Topology> m_pTopology;
CComPtr <IUnknown> m_pUnknown;
hr=m_pTunerDevice->QueryInterface(IID_IBDA_Topology, (void **) &m_pTopology);
if(FAILED(hr))
{
return hr;
}
hr=m_pTopology->GetControlNode(0, 1, 1, &m_pUnknown);
if(FAILED(hr))
{
return hr;
}
hr=m_pUnknown->QueryInterface(IID_IBDA_SignalStatistics,(void**) &m_pSignalStatistics);
if(FAILED(hr))
{
return hr;
}
hr=m_pSignalStatistics->get_SignalLocked(Locked);
return hr;
}
Function always returns S_OK but it also ALWAYS sets Locked variable to FALSE (which isn't true). How should I do to make it work correctly?
Thanks in advance for your answers
Chrosciu