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Diffstat (limited to 'Sensors/SimpleDeviceOrientationSensor/driver.cpp')
| -rw-r--r-- | Sensors/SimpleDeviceOrientationSensor/driver.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Sensors/SimpleDeviceOrientationSensor/driver.cpp b/Sensors/SimpleDeviceOrientationSensor/driver.cpp new file mode 100644 index 00000000..f3ed0045 --- /dev/null +++ b/Sensors/SimpleDeviceOrientationSensor/driver.cpp @@ -0,0 +1,75 @@ +//Copyright (C) Microsoft Corporation, All Rights Reserved. +// +//Abstract: +// +// This module contains the implementation of entry and exit point of sample simple device orientation sensor driver. +// +//Environment: +// +// Windows User-Mode Driver Framework (UMDF) + +#include "Device.h" +#include "Driver.h" + +#include "Driver.tmh" + +// This routine is the driver initialization entry point. +// Returns an NTSTATUS code +NTSTATUS DriverEntry( + _In_ PDRIVER_OBJECT DriverObject, // Pointer to the driver object created by the I/O manager + _In_ PUNICODE_STRING RegistryPath) // Pointer to the driver specific registry key +{ + WDF_DRIVER_CONFIG DriverConfig; + NTSTATUS Status = STATUS_SUCCESS; + + // + // Initialize WPP Tracing + // + WPP_INIT_TRACING(DriverObject, NULL); + + SENSOR_FunctionEnter(); + + DriverConfig.DriverPoolTag = SENSORV2_POOL_TAG_SDO; + + // + // Initialize the driver configuration structure. + // + WDF_DRIVER_CONFIG_INIT(&DriverConfig, SdoDevice::OnDeviceAdd); + DriverConfig.EvtDriverUnload = OnDriverUnload; + + // + // Create a framework driver object to represent our driver. + // + Status = WdfDriverCreate(DriverObject, + RegistryPath, + WDF_NO_OBJECT_ATTRIBUTES, + &DriverConfig, + WDF_NO_HANDLE); + + if (!NT_SUCCESS(Status)) + { + TraceError("SDOS %!FUNC! WdfDriverCreate failed: %!STATUS!", Status); + goto Exit; + } + +Exit: + SENSOR_FunctionExit(Status); + + return Status; +} + +// This routine is called when the driver unloads. +VOID OnDriverUnload( + _In_ WDFDRIVER Driver) // driver object +{ + SENSOR_FunctionEnter(); + + SENSOR_FunctionExit(STATUS_SUCCESS); + + // WPP_CLEANUP doesn't actually use the Driver parameter + // So we need to set it as unreferenced. + UNREFERENCED_PARAMETER(Driver); + WPP_CLEANUP(Driver); + + return; +}
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