A simple little driver include wdk h include
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A simple little driver
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
#include <wdk. h> #include <wdf. h> DRIVER_INITIALIZE Driver. Entry; EVT_WDF_DRIVER_DEVICE_ADD On. Device. Add; NTSTATUS Driver. Entry(PDRIVER_OBJECT Driver. Object, PUNICODE_STRING Registry. Path) { WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, On. Device. Add); return Wdf. Driver. Create(Driver. Object, Registry. Path, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); } NTSTATUS On. Device. Add(WDFDRIVER Driver, PWDFDEVICE_INIT Device. Init) { return Wdf. Device. Create(&Device. Init, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_HANDLE); }
Storing Driver Specific Data
struct Device. Context { MYDEVICE_STATE Current. State; . . . }; WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(Device. Context, Get. Device. Context); NTSTATUS On. Device. Add(. . . ) { WDFDEVICE device; Device. Context* context; WDF_OBJECT_ATTRIBUTES attributes; WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&attributes, Device. Context); attributes. Evt. Destroy. Callback = On. Device. Destroy; Wdf. Device. Create(&Device. Init, &attributes, &device); if (failure) {return status; } device. Context = Get. Device. Context(device); device. Context->Current. State = My. Device. State. Uninitialized; . . . }
NTSTATUS On. Device. Add(. . . ) { Wdf. Usb. Target. Create(device, WDF_NO_OBJECT_ATTRIBUTES, &device. Context->Usb. Io. Target); if (failure) return status; WDF_OBJECT_ATTRIBUTES attributes; WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&attributes, Request. Context); attributes. Parent. Object = device. Context->Usb. Io. Target; Wdf. Request. Create(&attributes, device. Context->Usb. Io. Target, &device. Context->Usb. Request); if (failure) return status; Initialize. Request. Context(device. Context->Usb. Request); if (failure) return status; . . . }
Handling I/O
NTSTATUS On. Device. Add(…, PWDFDEVICE_INIT Device. Init) {. . . // After creating the device… WDF_IO_QUEUE_CONFIG queue. Config; WDF_IO_QUEUE_CONFIG_INIT_DEFAULT_QUEUE( &queue. Config, Wdf. Io. Queue. Dispatch. Sequential ); queue. Config. Evt. Io. Device. Control = On. Device. Control; Wdf. Io. Queue. Create(device, &queue. Config, WDF_NO_OBJECT_ATTRIBUTES, WDF_NO_OBJECT); … }
VOID On. Device. Control(WDFQUEUE Queue, WDFREQUEST Request, size_t Input. Cb, size_t Output. Cb, ULONG Io. Control. Code) { if (Io. Control. Code != IOCTL_MYDRIVER_DO_SOMETHING) { goto error; } Wdf. Request. Retrieve. Input. Buffer(Request, sizeof(DO_SOMETHING_INPUT), &input, NULL); if (failure) goto error; // Validate input structure if (failure) goto error; // Start request running. if (failure) goto error; return; Error: Wdf. Request. Complete(Request, status); return;
Power Management
NTSTATUS On. Device. Add(. . . ) { … WDF_PNPPOWER_EVENT_CALLBACKS power. Cb; WDF_PNPPOWER_EVENT_CALLBACKS_INIT(&power. Cb); power. Cb. Evt. Device. D 0 Entry = On. D 0 Entry; power. Cb. Evt. Device. D 0 Exit = On. D 0 Exit; Wdf. Device. Init. Set. Pnp. Power. Event. Callbacks(Device. Init, &power. Cb); // create the device. . . WDF_DEVICE_POWER_POLICY_IDLE_SETTINGS idle. Settings; WDF_DEVICE_POWER_POLICY_IDLE_SETTINGS_INIT( &idle. Settings, Idle. Usb. Selective. Suspend ); idle. Settings. Idle. Timeout = 500; // milliseconds Wdf. Device. Assign. S 0 Idle. Settings(device, &idle. Settings); if (failure) return status; }
Summary
Developing Drivers with Windows Driver Foundation Kernel-Mode Driver Framework Design Guide User-Mode Driver Framework Design Guide Choosing a driver model What’s New in Windows Driver Frameworks for Windows 8 wdfinfo@microsoft. com Mine WDF
http: //forums. dev. windows. com http: //bldw. in/Session. Feedback
Wdk demo
#include stdio.h #include conio.h #include stdlib.h
1 little 2 little 3 little indian
1 little 2 little 3 little indian
Umdf reflector
#include string.h
#include iostream using namespace std
#include iostream #include cmath
Include
# include iostream
Cppinclude
Namespace string
Two little feet
Quantifier of fresh air
Make the mighty ocean
Litle a
Mouse mouse where is your house
Use of few a few the few
Fill in a little or a few
Complete the sentences use these words
Have present simple
Simple past simple present simple future
Past simple future
Without information
Future simple in the past
Present simple present continuous past simple exercises
Future tense of like
Forma afirmativa
Present simple present continuous 4 класс
Churchill taxi story
Drivers ed module 10 topic 1
Module 7 topic 4 drivers ed
Module 11 topic 1 insuring a vehicle
Module 8 topic 1
Utah driver's manual
User-mode driver framework
Gsa drive thru
