// Called by Sensor CLX to stop continously sampling the sensor.
NTSTATUS ActivityDevice::OnStop(_In_ SENSOROBJECT sensorInstance)
{
NTSTATUS status = STATUS_SUCCESS;
SENSOR_FunctionEnter();
PActivityDevice pDevice = GetActivityContextFromSensorInstance(sensorInstance);
if (nullptr == pDevice)
{
status = STATUS_INVALID_PARAMETER;
TraceError("ACT %!FUNC! Sensor parameter is invalid. Failed %!STATUS!", status);
}
else
{
// Stop sensing
pDevice->m_Started = FALSE;
WdfTimerStop(pDevice->m_Timer, TRUE);
InitPropVariantFromUInt32(SensorState_Idle, &(pDevice->m_pProperties->List[SENSOR_PROPERTY_STATE].Value));
// Stop simulation
if (NULL != pDevice->m_SimulatorInstance)
{
PHardwareSimulator pSimulator = GetHardwareSimulatorContextFromInstance(pDevice->m_SimulatorInstance);
if (nullptr != pSimulator)
{
pSimulator->Stop();
}
}
}
SENSOR_FunctionExit(status);
return status;
}
// Called by Sensor CLX to stop continously sampling the sensor.
NTSTATUS
CustomSensorDevice::OnStop(
_In_ SENSOROBJECT SensorInstance // sensor device object
)
{
PHardwareSimulator pSimulator = nullptr;
PCustomSensorDevice pDevice = GetCustomSensorContextFromSensorInstance(SensorInstance);
NTSTATUS Status = STATUS_SUCCESS;
SENSOR_FunctionEnter();
if (nullptr == pDevice)
{
Status = STATUS_INVALID_PARAMETER;
TraceError("CSTM %!FUNC! Sensor(%08X) parameter is invalid. Failed %!STATUS!", (INT) SensorInstance, Status);
}
if (NT_SUCCESS(Status))
{
// Stop polling
pDevice->m_Started = FALSE;
// Waiting for the callback to complete, then stopping the timer
WdfTimerStop(pDevice->m_Timer, TRUE);
InitPropVariantFromUInt32(SensorState_Idle,
&(pDevice->m_pProperties->List[SENSOR_PROPERTY_STATE].Value));
// Stop the simulator
pSimulator = GetHardwareSimulatorContextFromInstance(pDevice->m_SimulatorInstance);
if (nullptr == pSimulator)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
TraceError("CSTM %!FUNC! GetHardwareSimulatorContextFromInstance failed %!STATUS!", Status);
goto Exit;
}
pSimulator->Stop();
}
Exit:
SENSOR_FunctionExit(Status);
return Status;
}
