diff options
| author | J M Rossy <[email protected]> | 2015-07-29 15:40:09 -0700 |
|---|---|---|
| committer | J M Rossy <[email protected]> | 2015-07-29 16:34:40 -0700 |
| commit | 5d61a4a79a1e96dc5d9af1e5e712c84507307544 (patch) | |
| tree | 49ed270893578cd18758b74ffcca16dc7ab948d6 /wpd/WpdBasicHardwareDriver/Driver.cpp | |
| parent | 5d41613e26e147d2300c786bb2b34cb4b4067a25 (diff) | |
Samples update for public Windows 10 release
Fix #2 Enabling WPP Recorder in Sensors Samples causes errors
Fix #4 Add back fixed KMDOD sample
Add new BarcodeScanner sample in pos folder
Add new MagneticStripeReader sample in pos folder
Add new SynpaticsTouch sample in input folder
Add new Power Engine Plugin sample in pofx folder
Add new DeviceMft sample in avstream folder
Add new AvsCamera sample in root
Add new SimBatt sample in root
Add other pre-existing samples not yet released for Win10
Diffstat (limited to 'wpd/WpdBasicHardwareDriver/Driver.cpp')
| -rw-r--r-- | wpd/WpdBasicHardwareDriver/Driver.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/wpd/WpdBasicHardwareDriver/Driver.cpp b/wpd/WpdBasicHardwareDriver/Driver.cpp new file mode 100644 index 00000000..ca0697a1 --- /dev/null +++ b/wpd/WpdBasicHardwareDriver/Driver.cpp @@ -0,0 +1,197 @@ +#include "stdafx.h" + +#include "Driver.tmh" + +CDriver::CDriver() +{ + + +} + +HRESULT +CDriver::OnDeviceAdd( + _In_ IWDFDriver* pDriver, + _In_ IWDFDeviceInitialize* pDeviceInit + ) +/*++ + +Routine Description: + + The framework calls this function when a device is being added to + the driver stack. + +Arguments: + + IWDFDriver - Framework interface. The driver uses this + interface to create device objects. + IWDFDeviceInitialize - Framework interface. The driver uses this + interface to set device parameters before + creating the device obeject. + +Return Value: + + HRESULT S_OK - Device added successfully + +--*/ +{ + TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_FLAG_DRIVER, "%!FUNC! Entry"); + + HRESULT hr = S_OK; + CComPtr<IUnknown> pDeviceCallback; + + WpdBaseDriver *pWpdBaseDriver = NULL; + + // + // Create the WPD driver object that handles all WPD messages for this device + // + pWpdBaseDriver = new WpdBaseDriver(); + if(pWpdBaseDriver == NULL) + { + hr = E_OUTOFMEMORY; + } + + if(SUCCEEDED(hr)) + { + // + // Create device callback object + // + hr = CDevice::CreateInstance(pDeviceInit, pWpdBaseDriver, &pDeviceCallback); + } + + // + // This driver has no special power management requirements and so + // we set power policy ownership to UMDF to indicate that UMDF should + // handle powermanagement for us. + // + pDeviceInit->SetPowerPolicyOwnership(FALSE); + + // + // Create WDFDevice. + // + CComPtr<IWDFDevice> pIWDFDevice; + if(SUCCEEDED(hr)) + { + hr = pDriver->CreateDevice( + pDeviceInit, + pDeviceCallback, + &pIWDFDevice); + } + + // + // Assign pWpdBaseDriver to the device object. Each UMDF device requires its own instance of + // a WpdBaseDriver to handle WPD messages. + // + if(SUCCEEDED(hr)) + { + hr = pIWDFDevice->AssignContext(this, (void*)pWpdBaseDriver); + if(SUCCEEDED(hr)) + { + // AddRef the WpdBaseDriver object since it is not stored with the + // device context. + pWpdBaseDriver->AddRef(); + } + } + + // + // Create queue callback object + // + CComPtr<IUnknown> pIUnknown; + if(S_OK == hr) + { + hr = CQueue::CreateInstance(&pIUnknown); + } + + // + // Configure the default queue. + // + if(S_OK == hr) + { + CComPtr<IWDFIoQueue> pDefaultQueue; + hr = pIWDFDevice->CreateIoQueue( + pIUnknown, + TRUE, // bDefaultQueue + WdfIoQueueDispatchSequential, + TRUE, // bPowerManaged + FALSE, // bAllowZeroLengthRequests + &pDefaultQueue); + } + + pDeviceCallback = NULL; + pIWDFDevice = NULL; + + // + // It is fine to release the interface on the callback object. + // The framework has its own refcount on this object and will + // provide an interface when calling into the driver. + // + pIUnknown = NULL; + + // Release the WpdBaseDriver object. If it was successfully added to the device context, + // it was already addref'd above. Releasing it here ensures it will be destroyed if + // an error occured and it could not be added to the device context. + SAFE_RELEASE(pWpdBaseDriver); + + return hr; +} + +void +CDriver::OnDeinitialize( + _In_ IWDFDriver* pDriver + ) +/*++ + +Routine Description: + + The framework calls this function just before de-initializing itself. All + WDF framework resources should be released by driver before returning from this call. + +Arguments: + +Return Value: + +--*/ +{ + UNREFERENCED_PARAMETER(pDriver); + return; +} + +HRESULT +CDriver::OnInitialize( + _In_ IWDFDriver* pDriver + ) +/*++ + +Routine Description: + + The framework calls this function just after loading the driver. The driver can + perform any global, device independent intialization in this routine. + +Arguments: + +Return Value: + +--*/ +{ + UNREFERENCED_PARAMETER(pDriver); + return S_OK; +} + +STDMETHODIMP_ (void) +CDriver::OnCleanup( + _In_ IWDFObject* pWdfObject + ) +{ + TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_FLAG_DRIVER, "%!FUNC! Entry"); + + // Release the base driver object + HRESULT hr = S_OK; + WpdBaseDriver* pWpdBaseDriver = NULL; + + hr = pWdfObject->RetrieveContext((void**)&pWpdBaseDriver); + if((hr == S_OK) && (pWpdBaseDriver != NULL)) + { + pWpdBaseDriver->Release(); + pWpdBaseDriver = NULL; + } +} + |
