C++ (Cpp) PHardwareSimulator::Stop示例

// 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;
}

示例#2

显示文件

文件： client.cpp 项目： 0xhack/Windows-driver-samples

// 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;
}