Module hid

veridian_kernel::drivers::usb

Module hid

Expand description

USB HID (Human Interface Device) Driver

Implements HID Boot Protocol support for keyboards and mice, HID report descriptor parsing stubs, and input event generation.

Reference: USB HID Specification 1.11, USB HID Usage Tables 1.12

Structs§

BootKeyboardReport: Boot keyboard report: 8 bytes
BootMouseReport: Boot mouse report: 3 bytes minimum, optional 4th byte for scroll
HidCapabilities: Parsed capabilities from a HID report descriptor
HidDevice: Represents a USB HID device with state tracking
InputEventBatch: Small fixed-capacity collection of input events from a single report
InputEventBatchIter: Iterator over events in an InputEventBatch

Enums§

HidDesktopUsage: Generic Desktop usage IDs
HidDeviceType: Classification of HID device types
HidGlobalTag: Global item tags
HidItemType: Report descriptor item types
HidMainTag: Main item tags
HidUsagePage: Usage page values
InputEvent: Input events generated from HID reports

Constants§

HID_BOOT_PROTOCOL_KEYBOARD: Keyboard boot protocol
HID_BOOT_PROTOCOL_MOUSE: Mouse boot protocol
HID_DESCRIPTOR_TYPE: HID descriptor type (returned in GET_DESCRIPTOR)
HID_GET_IDLE: Get the idle rate
HID_GET_PROTOCOL: Get the active protocol (boot vs report)
HID_GET_REPORT: Get a report from the device
HID_PHYSICAL_DESCRIPTOR_TYPE: HID physical descriptor type
HID_PROTOCOL_BOOT: Boot protocol (simplified fixed-format reports)
HID_PROTOCOL_REPORT: Report protocol (full report descriptor driven)
HID_REPORT_DESCRIPTOR_TYPE: HID report descriptor type
HID_SET_IDLE: Set the idle rate
HID_SET_PROTOCOL: Set the active protocol (boot vs report)
HID_SET_REPORT: Send a report to the device
HID_SUBCLASS_BOOT: Boot interface subclass
HID_SUBCLASS_NONE: No subclass

Functions§

parse_report_descriptor: Parse a HID report descriptor to determine device capabilities.