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Diffstat (limited to 'serial/VirtualSerial/driver.cpp')
| -rw-r--r-- | serial/VirtualSerial/driver.cpp | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/serial/VirtualSerial/driver.cpp b/serial/VirtualSerial/driver.cpp deleted file mode 100644 index 0ec28ec5..00000000 --- a/serial/VirtualSerial/driver.cpp +++ /dev/null @@ -1,220 +0,0 @@ -/*++ - -Copyright (C) Microsoft Corporation, All Rights Reserved. - -Module Name: - - Driver.cpp - -Abstract: - - This module contains the implementation of the UMDF VirtualSerial Sample's - core driver callback object. - -Environment: - - Windows User-Mode Driver Framework (WUDF) - ---*/ - -#include "internal.h" -#include "driver.tmh" - -HRESULT -CMyDriver::CreateInstance( - _Out_ PCMyDriver *Driver - ) -/*++ - - Routine Description: - - This static method is invoked in order to create and initialize a new - instance of the driver class. The caller should arrange for the object - to be released when it is no longer in use. - - Arguments: - - Driver - a location to store a referenced pointer to the new instance - - Return Value: - - S_OK if successful, or error otherwise. - ---*/ -{ - PCMyDriver driver; - HRESULT hr; - - // - // Allocate the callback object. - // - - driver = new CMyDriver(); - - if (NULL == driver) - { - return E_OUTOFMEMORY; - } - - // - // Initialize the callback object. - // - - hr = driver->Initialize(); - - if (SUCCEEDED(hr)) - { - // - // Store a pointer to the new, initialized object in the output - // parameter. - // - - *Driver = driver; - } - else - { - - // - // Release the reference on the driver object to get it to delete - // itself. - // - - driver->Release(); - } - - return hr; -} - -HRESULT -CMyDriver::Initialize( - VOID - ) -/*++ - - Routine Description: - - This method is called to initialize a newly created driver callback object - before it is returned to the creator. Unlike the constructor, the - Initialize method contains operations which could potentially fail. - - Arguments: - - None - - Return Value: - - None - ---*/ -{ - return S_OK; -} - -HRESULT -CMyDriver::QueryInterface( - _In_ REFIID InterfaceId, - _Out_ PVOID *Interface - ) -/*++ - - Routine Description: - - This method returns a pointer to the requested interface on the callback - object.. - - Arguments: - - InterfaceId - the IID of the interface to query/reference - - Interface - a location to store the interface pointer. - - Return Value: - - S_OK if the interface is supported. - E_NOINTERFACE if it is not supported. - ---*/ -{ - if (IsEqualIID(InterfaceId, __uuidof(IDriverEntry))) - { - *Interface = QueryIDriverEntry(); - return S_OK; - } - else - { - return CUnknown::QueryInterface(InterfaceId, Interface); - } -} - -HRESULT -CMyDriver::OnDeviceAdd( - _In_ IWDFDriver *FxWdfDriver, - _In_ IWDFDeviceInitialize *FxDeviceInit - ) -/*++ - - Routine Description: - - The FX invokes this method when it wants to install our driver on a device - stack. This method creates a device callback object, then calls the Fx - to create an Fx device object and associate the new callback object with - it. - - Arguments: - - FxWdfDriver - the Fx driver object. - - FxDeviceInit - the initialization information for the device. - - Return Value: - - status - ---*/ -{ - HRESULT hr; - - PCMyDevice device = NULL; - - // - // TODO: Do any per-device initialization (reading settings from the - // registry for example) that's necessary before creating your - // device callback object here. Otherwise you can leave such - // initialization to the initialization of the device event - // handler. - // - - // - // Create a new instance of our device callback object - // - - hr = CMyDevice::CreateInstance(FxWdfDriver, FxDeviceInit, &device); - - // - // TODO: Change any per-device settings that the object exposes before - // calling Configure to let it complete its initialization. - // - - // - // If that succeeded then call the device's construct method. This - // allows the device to create any queues or other structures that it - // needs now that the corresponding fx device object has been created. - // - - if (SUCCEEDED(hr)) - { - hr = device->Configure(); - } - - // - // Release the reference on the device callback object now that it's been - // associated with an fx device object. - // - - if (NULL != device) - { - device->Release(); - } - - return hr; -} |