Click here to Skip to main content
15,892,674 members
Articles / Programming Languages / C++

Writing a Sensor Driver for the Wiimote on Windows 7

Rate me:
Please Sign up or sign in to vote.
4.93/5 (61 votes)
16 Feb 2010CPOL30 min read 276.1K   16.7K   106  
How to write a Sensor driver that provides access to the 3-axis accelerometer on a Nintendo Wiimote on Windows 7
/*++

Module Name:

    Device.h

Abstract:

    This module contains the type definitions for the Wiimote Sensor
    driver's device callback class.

--*/

#pragma once

class ATL_NO_VTABLE CWiimoteDevice :
    public CComObjectRootEx<CComMultiThreadModel>,
	public IPnpCallback,
    public IPnpCallbackHardware,
    public IFileCallbackCleanup
{
public:
    ~CWiimoteDevice();

    DECLARE_NOT_AGGREGATABLE(CWiimoteDevice)

    BEGIN_COM_MAP(CWiimoteDevice)
		COM_INTERFACE_ENTRY(IPnpCallback)
        COM_INTERFACE_ENTRY(IPnpCallbackHardware)
        COM_INTERFACE_ENTRY(IFileCallbackCleanup)
    END_COM_MAP()

protected:
    CWiimoteDevice();

    HRESULT ConfigureQueue();

// COM Interface methods
public:

    //
    // IPnpCallbackHardware
    //
    STDMETHOD_ (HRESULT, OnPrepareHardware)(__in IWDFDevice* pWdfDevice);
    STDMETHOD_ (HRESULT, OnReleaseHardware)(__in IWDFDevice* pWdfDevice);

	//
    // IPnpCallback
    //
    STDMETHOD (OnD0Entry)( __in IWDFDevice* pWdfDevice,  __in WDF_POWER_DEVICE_STATE previousState);
    STDMETHOD (OnD0Exit)( __in IWDFDevice* pWdfDevice,  __in WDF_POWER_DEVICE_STATE newState);
    STDMETHOD_ (VOID, OnSurpriseRemoval)( __in IWDFDevice* pWdfDevice);
    STDMETHOD_ (HRESULT, OnQueryRemove)(  __in IWDFDevice* pWdfDevice);
    STDMETHOD_ (HRESULT, OnQueryStop)( __in IWDFDevice* pWdfDevice);

    //
    // IFileCallbackCleanup
    //
    STDMETHOD_ (VOID, OnCleanupFile)(__in IWDFFile *pWdfFile);

public:

    // The factory method used to create an instance of this device
    static HRESULT CreateInstance(__in IWDFDriver* pDriver, __in IWDFDeviceInitialize*  pDeviceInit);

    HRESULT ProcessIoControl(__in IWDFIoQueue*     pQueue,
                             __in IWDFIoRequest*   pRequest,
                             __in ULONG            ControlCode,
                                  SIZE_T           InputBufferSizeInBytes,
                                  SIZE_T           OutputBufferSizeInBytes,
                                  DWORD*           pcbWritten);
private:

    CComPtr<IWDFDevice>     m_pWdfDevice;
    ISensorClassExtension*  m_pClassExtension;
};

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Microsoft
United States United States
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions