3.30.1. usb_host_class_hid
— Human Interface Device (HID)¶
In computing, the USB human interface device class (USB HID class) is a part of the USB specification for computer peripherals: it specifies a device class (a type of computer hardware) for human interface devices such as keyboards, mice, game controllers and alphanumeric display devices.
More information on Wikipedia.
Source code: src/drivers/usb/host/class/hid.h, src/drivers/usb/host/class/hid.c
Defines
-
USB_CLASS_HID_SUBCLASS_NONE
¶
-
USB_CLASS_HID_SUBCLASS_BOOT_INTERFACE
¶
-
USB_CLASS_HID_PROTOCOL_NONE
¶
-
USB_CLASS_HID_PROTOCOL_KEYBOARD
¶
-
USB_CLASS_HID_PROTOCOL_MOUSE
¶
Functions
-
int
usb_host_class_hid_init
(struct usb_host_class_hid_driver_t *self_p, struct usb_host_driver_t *usb_p, struct usb_host_class_hid_device_t *devices_p, size_t length)¶ Initialize driver object from given configuration.
- Return
- zero(0) or negative error code.
- Parameters
self_p
: Driver object to be initialized.usb_p
: USB driver to use.devices_p
: Array of devices. One entry in this array is allocated for each HID device that is connected to the host.length
: Length of the devices array.
-
int
usb_host_class_hid_start
(struct usb_host_class_hid_driver_t *self_p)¶ Starts the HID driver.
- Return
- zero(0) or negative error code.
- Parameters
self_p
: Initialized driver object to start.
-
int
usb_host_class_hid_stop
(struct usb_host_class_hid_driver_t *self_p)¶ Stops the HID driver.
- Return
- zero(0) or negative error code.
- Parameters
self_p
: Initialized to stop.
-
struct
usb_host_class_hid_driver_t
¶ Public Members
-
struct usb_host_driver_t *
usb_p
¶
-
struct usb_host_class_hid_device_t *
devices_p
¶
-
size_t
length
¶
-
size_t
size
¶
-
struct usb_host_class_hid_driver_t::@18 usb_host_class_hid_driver_t::report
-
struct usb_host_device_driver_t
device_driver
¶
-
struct usb_host_driver_t *