Hitex USB Devices Driver

12/14/2021by admin

This section describes the generic WinUSB driver (Winusb.sys) and its user-mode component (Winusb.dll) provided by Microsoft for all USB devices.


In versions of Windows earlier than Windows XP with Service Pack 2 (SP2), all USB device drivers were required to operate in kernel mode. If you created a USB device for which the operating system did not have a native class driver, you had to write a kernel-mode device driver for your device.

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Universal ADB Drivers. One size fits all Windows Drivers for Android Debug Bridge. Download; Source Code. If your USB device does not work the most likely problem is missing or outdated drivers. When you plug the device into your USB, Windows will look for the associated driver, if it cannot find this driver then you will be prompted to insert the driver disc that came with your device. Choose to select the location of the new driver manually and browse to the folder where you downloaded the driver. About USB Drivers: In order for your phone to communicate with your PC, you need to install the proper USB drivers and connect the two via a USB cable.

Windows USB (WinUSB) is a generic driver for USB devices that was developed concurrently with the Windows Driver Frameworks (WDF) for Windows XP with SP2. The WinUSB architecture consists of a kernel-mode driver (Winusb.sys) and a user-mode dynamic link library (Winusb.dll) that exposes WinUSB functions. By using these functions, you can manage USB devices with user-mode software.

Winusb.sys is also a key part of the link between a UMDF function driver and the associated device. Winusb.sys is installed in the device's kernel-mode stack as an upper filter driver. An application communicates with the device's UMDF function driver to issue read, write, or device I/O control requests. The driver interacts with the framework, which passes the request to Winusb.sys. Winusb.sys then processes the request and passes it to the protocol drivers and ultimately to the device. Any response returns by the reverse path. Winusb.sys also serves as the device stack's Plug and Play and power owner.

Note WinUSB functions require Windows XP or later. You can use these functions in your C/C++ application to communicate with your USB device. Microsoft does not provide a managed API for WinUSB.

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This section describes how to use WinUSB to communicate with your USB devices. The topics in this section provide guidelines about choosing the correct driver for your device, information about installing Winusb.sys as a USB device's function driver, and a detailed walkthrough with code examples that show how applications and USB devices communicate with each other.

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This section includes the following topics:

Windows Support for WinUSB

The following table summarizes WinUSB support in different versions of Windows.

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Windows VersionWinUSB support
Windows 10 and laterYes²
Windows 7Yes¹
Windows Server 2008Yes²
Windows VistaYes²
Windows Server 2003No
Windows XPYes³
Windows 2000No
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Note Yes¹: All SKUs of this version of Windows support WinUSB on x86-based, x64-based, and Itanium-based systems.

Yes²: All SKUs of this version of Windows support WinUSB on x86-based and x64-based systems.

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Yes³: All client SKUs of Windows XP with SP2 service packs support WinUSB. WinUSB is not native to Windows XP; it must be installed with the WinUSB co-installer.

No: WinUSB is not supported in this version of Windows.

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USB Features Supported by WinUSB

The following table shows the high-level USB features that are supported by WinUSB in different versions of Windows.

FeatureWindows 8.1 and laterWindows 7/Vista/XP
Device I/O control requestsSupportedSupported
Isochronous transfersSupportedNot Supported
Bulk, control, and interrupt transfersSupportedSupported
Selective suspendSupportedSupported
Remote wakeSupportedSupported

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