NTSTATUS
CHardwareSimulation::
Reset()
{
PAGED_CODE();
KScopedMutex Lock( m_ListLock );
DBG_ENTER("(): m_PinID=%d", m_PinID);
FreeSGList( &m_ScatterGatherMappings, L"StreamPointer Reset SG List" );
m_ScatterGatherMappingsQueued=0;
m_NumMappingsCompleted = 0;
m_ScatterGatherBytesQueued = 0;
DBG_LEAVE("(): m_PinID=%d", m_PinID);
return STATUS_SUCCESS;
}
NTSTATUS
CImageHardwareSimulation::
Reset()
{
PAGED_CODE();
KScopedMutex Lock( m_ListLock );
DBG_ENTER("(): m_PinID=%d", m_PinID);
// Parent class reset first...
CHardwareSimulation::Reset();
FreeSGList( &m_ScatterGatherMappings, L"StreamPointer Reset Burst List" );
m_bTriggered = FALSE;
m_bEndOfSequence = FALSE;
m_pClone = NULL;
m_bPastBufferTrigger = FALSE;
m_TriggerTime = 0;
DBG_LEAVE("(): m_PinID=%d", m_PinID);
return STATUS_SUCCESS;
}
NTSTATUS
CHardwareSimulation::
Stop()
/*++
Routine Description:
Stop the hardware simulation...
For us, stop the timer, free the synthesizer and flush the queue.
Arguments:
None
Return Value:
Success / Failure
--*/
{
PAGED_CODE();
//
// If the hardware is told to stop while it's running, we need to
// halt the interrupts first. If we're already paused, this has
// already been done.
//
DBG_ENTER("(): m_PinID=%d", m_PinID);
BOOLEAN bCancel = FALSE;
{
// Prevent state-changes during this call.
KScopedMutex Lock(m_ListLock);
bCancel = (m_PinState == PinRunning);
m_PinState = PinStopped;
// Free the synthesis buffer.
m_Synthesizer->Destroy();
//
// Free S/G buffer
//
FreeSGList( &m_ScatterGatherMappings, L"StreamPointer Stop SG List" );
m_ScatterGatherMappingsQueued=0;
m_NumMappingsCompleted = 0;
m_ScatterGatherBytesQueued = 0;
}
// If running, stop the timer to make sure we don't try to deliver one last frame.
if( bCancel )
{
m_IsrTimer.Cancel();
}
return STATUS_SUCCESS;
}
NTSTATUS
CImageHardwareSimulation::
Stop()
/*++
Routine Description:
Stop the hardware simulation...
Wait until the timer has stopped, flush the queue, dereference the clock
and reset our state before returning.
Arguments:
None
Return Value:
Success / Failure
--*/
{
PAGED_CODE();
// If the hardware is told to stop while it's running, we need to
// halt the interrupts first. If we're already paused, this has
// already been done.
//
DBG_ENTER("(): m_PinID=%d", m_PinID);
//
// Protect the S/G list
//
KScopedMutex Lock( m_ListLock );
CHardwareSimulation::Stop();
//
// Free S/G buffer
//
FreeSGList( &m_ScatterGatherMappings, L"StreamPointer Stop Burst List" );
if (m_Clock)
{
m_Clock -> Release ();
m_Clock = NULL;
}
m_bTriggered = FALSE;
m_bEndOfSequence = FALSE;
m_pClone = NULL;
m_bPastBufferTrigger = FALSE;
m_PinMode = PinNormalMode;
m_TriggerTime = 0;
DBG_TRACE("m_bTriggered=FALSE, m_bPastBufferTrigger=FALSE");
DBG_LEAVE("(): m_PinID=%d", m_PinID);
return STATUS_SUCCESS;
}
