usb_hid_report_field_t Struct Reference
[Base USB library]

Description of one field/item in report. More...

#include <hidtypes.h>

Data Fields
usb_hid_report_path_t *	collection_path
	Usage/Collection path of the field.
uint8_t	item_flags
	Item's attributes.
link_t	link
	List to another report items.
int32_t	logical_maximum
	The greatest valid logical value.
int32_t	logical_minimum
	The lowest valid logical value (value with the device operates).
int	offset
	Bit offset of the field.
int32_t	physical_maximum
	The greatest valid physical value.
int32_t	physical_minimum
	The lowest valid physical value (value with the system operates).
size_t	size
	Bit size of the field.
uint32_t	unit
	Unit of the value.
uint32_t	unit_exponent
	Unit exponent.
uint16_t	usage
	Usage.
int32_t	usage_maximum
	The greatest valid usage index.
int32_t	usage_minimum
	The lowest valid usage index.
uint16_t	usage_page
	Usage page.
uint32_t *	usages
	Array of possible usages.
size_t	usages_count
	Size of the array of usages.
int32_t	value
	Parsed value.

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Detailed Description

Description of one field/item in report.

Definition at line 142 of file hidtypes.h.

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Field Documentation

uint16_t usage

Usage.

Zero when usage can be changed.

Definition at line 153 of file hidtypes.h.

uint16_t usage_page

Usage page.

Zero when usage page can be changed.

Definition at line 150 of file hidtypes.h.

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The documentation for this struct was generated from the following file:

• doxygen-tmp/development_branch/uspace/lib/usbhid/include/usb/hid/hidtypes.h

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