add linux driver example

1 files changed, 0 insertions, 336 deletions

diff --git a/tests/projects/winsdk/usbview/devnode.c b/tests/projects/winsdk/usbview/devnode.c
deleted file mode 100644
index d9a3b8ecc..000000000
--- a/tests/projects/winsdk/usbview/devnode.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*++

-

-  Copyright (c) 1998-2011 Microsoft Corporation

-

-  Module Name:

-

-  DEVNODE.C

-

-  --*/

-

-/*****************************************************************************

-  I N C L U D E S

- *****************************************************************************/

-

-#include "uvcview.h"

-

-/*****************************************************************************

-

-  DriverNameToDeviceInst()

-

-  Finds the Device instance of the DevNode with the matching DriverName.

-  Returns FALSE if the matching DevNode is not found and TRUE if found

-

- *****************************************************************************/

-BOOL 

-DriverNameToDeviceInst(

-    _In_reads_bytes_(cbDriverName) PCHAR DriverName,

-    _In_ size_t cbDriverName,

-    _Out_ HDEVINFO *pDevInfo,

-    _Out_writes_bytes_(sizeof(SP_DEVINFO_DATA)) PSP_DEVINFO_DATA pDevInfoData

-    )

-{

-    HDEVINFO         deviceInfo = INVALID_HANDLE_VALUE;

-    BOOL             status = TRUE;

-    ULONG            deviceIndex;

-    SP_DEVINFO_DATA  deviceInfoData;

-    BOOL             bResult = FALSE;

-    PCHAR            pDriverName = NULL;

-    PSTR             buf = NULL;

-    BOOL             done = FALSE;

-

-    if (pDevInfo == NULL)

-    {

-        return FALSE;

-    }

-

-    if (pDevInfoData == NULL)

-    {

-        return FALSE;

-    }

-

-    memset(pDevInfoData, 0, sizeof(SP_DEVINFO_DATA));

-

-    *pDevInfo = INVALID_HANDLE_VALUE;

-

-    // Use local string to guarantee zero termination

-    pDriverName = (PCHAR) ALLOC((DWORD) cbDriverName + 1);

-    if (NULL == pDriverName)

-    {

-        status = FALSE;

-        goto Done;

-    }

-    StringCbCopyN(pDriverName, cbDriverName + 1, DriverName, cbDriverName);

-

-    //

-    // We cannot walk the device tree with CM_Get_Sibling etc. unless we assume

-    // the device tree will stabilize. Any devnode removal (even outside of USB)

-    // would force us to retry. Instead we use Setup API to snapshot all

-    // devices.

-    //

-

-    // Examine all present devices to see if any match the given DriverName

-    //

-    deviceInfo = SetupDiGetClassDevs(NULL,

-            NULL,

-            NULL,

-            DIGCF_ALLCLASSES | DIGCF_PRESENT);

-

-    if (deviceInfo == INVALID_HANDLE_VALUE)

-    {

-        status = FALSE;

-        goto Done;

-    }

-

-    deviceIndex = 0;

-    deviceInfoData.cbSize = sizeof(deviceInfoData);

-

-    while (done == FALSE)

-    {

-        //

-        // Get devinst of the next device

-        //

-

-        status = SetupDiEnumDeviceInfo(deviceInfo,

-                                       deviceIndex,

-                                       &deviceInfoData);

-

-        deviceIndex++;

-

-        if (!status)

-        {

-            //

-            // This could be an error, or indication that all devices have been

-            // processed. Either way the desired device was not found.

-            //

-            

-            done = TRUE;

-            break;

-        }

-

-        //

-        // Get the DriverName value

-        //

-

-        bResult = GetDeviceProperty(deviceInfo,

-                                    &deviceInfoData,

-                                    SPDRP_DRIVER,

-                                    &buf);

-        

-        // If the DriverName value matches, return the DeviceInstance

-        //

-        if (bResult == TRUE && buf != NULL && _stricmp(pDriverName, buf) == 0)

-        {

-            done = TRUE;

-            *pDevInfo = deviceInfo;

-            CopyMemory(pDevInfoData, &deviceInfoData, sizeof(deviceInfoData));

-            FREE(buf);

-            break;

-        }

-

-        if(buf != NULL)

-        {

-            FREE(buf);

-            buf = NULL;

-        }

-    }

-

-Done:

-

-    if (bResult == FALSE)

-    {

-        if (deviceInfo != INVALID_HANDLE_VALUE)

-        {

-            SetupDiDestroyDeviceInfoList(deviceInfo);

-        }

-    }

-

-    if (pDriverName != NULL)

-    {

-        FREE(pDriverName);

-    }

-

-    return status;

-}

-

-/*****************************************************************************

-

-  DriverNameToDeviceProperties()

-

-  Returns the Device properties of the DevNode with the matching DriverName.

-  Returns NULL if the matching DevNode is not found.

-

-  The caller should free the returned structure using FREE() macro

-

- *****************************************************************************/

-PUSB_DEVICE_PNP_STRINGS 

-DriverNameToDeviceProperties( 

-        _In_reads_bytes_(cbDriverName) PCHAR  DriverName, 

-        _In_ size_t cbDriverName

-        )

-{

-    HDEVINFO        deviceInfo = INVALID_HANDLE_VALUE;

-    SP_DEVINFO_DATA deviceInfoData = {0};

-    ULONG           len;

-    BOOL            status;

-    PUSB_DEVICE_PNP_STRINGS DevProps = NULL;

-    DWORD           lastError;

-

-    // Allocate device propeties structure

-    DevProps = (PUSB_DEVICE_PNP_STRINGS) ALLOC(sizeof(USB_DEVICE_PNP_STRINGS));

-

-    if(NULL == DevProps)

-    {

-        status = FALSE;

-        goto Done;

-    }

-

-    // Get device instance

-    status = DriverNameToDeviceInst(DriverName, cbDriverName, &deviceInfo, &deviceInfoData);

-    if (status == FALSE)

-    {

-        goto Done;

-    }

-

-    len = 0;

-    status = SetupDiGetDeviceInstanceId(deviceInfo,

-                                        &deviceInfoData,

-                                        NULL,

-                                        0,

-                                        &len);

-    lastError = GetLastError();

-

-    

-    if (status != FALSE && lastError != ERROR_INSUFFICIENT_BUFFER)

-    {

-        status = FALSE;

-        goto Done;

-    }

-    

-    //

-    // An extra byte is required for the terminating character

-    //

-    

-    len++;

-    DevProps->DeviceId = ALLOC(len);

-

-    if (DevProps->DeviceId == NULL)

-    {

-        status = FALSE;

-        goto Done;

-    }

-

-    status = SetupDiGetDeviceInstanceId(deviceInfo,

-                                        &deviceInfoData,

-                                        DevProps->DeviceId,

-                                        len,

-                                        &len);

-    if (status == FALSE)

-    {

-        goto Done;

-    }

-

-    status = GetDeviceProperty(deviceInfo,

-                               &deviceInfoData,

-                               SPDRP_DEVICEDESC,

-                               &DevProps->DeviceDesc);

-    

-    if (status == FALSE)

-    {

-        goto Done;

-    }

-    

-

-    //    

-    // We don't fail if the following registry query fails as these fields are additional information only

-    //

-

-    GetDeviceProperty(deviceInfo,

-                      &deviceInfoData,

-                      SPDRP_HARDWAREID,

-                      &DevProps->HwId);

-

-    GetDeviceProperty(deviceInfo,

-                      &deviceInfoData,

-                      SPDRP_SERVICE,

-                      &DevProps->Service);

-

-    GetDeviceProperty(deviceInfo,

-                       &deviceInfoData,

-                       SPDRP_CLASS,

-                       &DevProps->DeviceClass);

-Done:

-

-    if (deviceInfo != INVALID_HANDLE_VALUE)

-    {

-        SetupDiDestroyDeviceInfoList(deviceInfo);

-    }

-

-    if (status == FALSE)

-    {

-        if (DevProps != NULL)

-        {

-            FreeDeviceProperties(&DevProps);

-        }

-    }

-    return DevProps;

-}

-

-/*****************************************************************************

-

-  FreeDeviceProperties()

-

-  Free the device properties structure

-

- *****************************************************************************/

-VOID FreeDeviceProperties(_In_ PUSB_DEVICE_PNP_STRINGS *ppDevProps)

-{

-    if(ppDevProps == NULL)

-    {

-        return;

-    }

-

-    if(*ppDevProps == NULL)

-    {

-        return;

-    }

-

-    if ((*ppDevProps)->DeviceId != NULL)

-    {

-        FREE((*ppDevProps)->DeviceId);

-    }

-

-    if ((*ppDevProps)->DeviceDesc != NULL)

-    {

-        FREE((*ppDevProps)->DeviceDesc);

-    }

-

-    //

-    // The following are not necessary, but left in case

-    // in the future there is a later failure where these

-    // pointer fields would be allocated.

-    //

-

-    if ((*ppDevProps)->HwId != NULL)

-    {

-        FREE((*ppDevProps)->HwId);

-    }

-

-    if ((*ppDevProps)->Service != NULL)

-    {

-        FREE((*ppDevProps)->Service);

-    }

-

-    if ((*ppDevProps)->DeviceClass != NULL)

-    {

-        FREE((*ppDevProps)->DeviceClass);

-    }

-

-    if ((*ppDevProps)->PowerState != NULL)

-    {

-        FREE((*ppDevProps)->PowerState);

-    }

-

-    FREE(*ppDevProps);

-    *ppDevProps = NULL;

-}