WCID allows a device to be used by a Windows application almost as soon as it is plugged in, as opposed to the usual scenario where a USB device that is neither HID nor Mass Storage requires end-users to perform a manual driver installation. On other operating systems, the device still needs a custom driverĪ WCID device, where WCID stands for 'Windows Compatible ID', is a USB device that provides extra information to a Windows system, in order to facilitate automated driver installation and, in most circumstances, allow immediate access.Doesn't support USB Reset (as requested by DFU protocol for example).Doesn't support isochronous transfers prior to Windows 8.1.Only one application can access the device at a time.Doesn't require the knowledge to write a driver.

Starting with Windows 7, USB MTP devices use WinUSB instead of the kernel mode filter driver.Īdvantages and disadvantages Advantages WinUSB exposes a client API that enables developers to work with USB devices from user-mode. The library provides access to the pipes of the device. It enables the application to directly access the device through a simple software library. It is aimed at simple devices that are accessed by only one application at a time (for example instruments like weather stations, devices that only need a diagnostic connection or for firmware upgrades). WinUSB is a generic USB driver provided by Microsoft, for their operating systems starting with Windows Vista but which is also available for Windows XP. com /en-us /library /windows /hardware /ff540196. ( Learn how and when to remove this template message)

JSTOR ( January 2017) ( Learn how and when to remove this template message).

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