The Hidclass/Hidparse driver pair defines lengths of HID Input, Output, and Feature Reports. Each TLC has at least 2 bytes to start a collection and 1 byte to end the collection. HID miniport drivers do not have that information. The Hidclass/Hidparse driver pair is aware of the number of TLCs in a Report Descriptor. Regardless of the size defined by the transport protocol for transferring HID report descriptor with their devices, the actual report descriptor size is limited during the communication between Hidclass and HID minidrivers. HID transport limitsĪ transport minidriver submits report descriptors to Hidclass in a HID_DESCRIPTOR structure. If a device requires a transport other than USB, Bluetooth, Bluetooth LE, or I☬, a miniport driver as described in Transport Minidrivers is recommended. Microsoft recommends using the included drivers for transports listed in the preceding table. Windows 11 introduces support for HID over Serial Peripheral Interface (SPI). Windows 10 introduces support for general-purpose I/O (GPIO) buttons. Windows 8 introduces support for HID over I2C. Windows 8 introduces support for HID over Bluetooth LE. Support for Bluetooth HID 1.1+ is provided on Windows operating systems dating back to Windows Vista. Support for USB HID 1.11+ is provided on Windows operating systems dating back to Windows 2000. In this article HID transports supported in Windows Transport
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