items.h File Reference

HID Item related functions. More...

#include <sys/types.h>

Go to the source code of this file.

Defines
#define	_IOF(value, shift)   ((value) << (shift))
#define	BUILD_ITEM_PREFIX(size, type, tag)   ((size) | ((type) << 2) | ((tag) << 4))
	Creates item prefix.
#define	COLLECTION_APPLICATION   0x01
#define	COLLECTION_PHYSICAL   0x00
#define	IOF_ABSOLUTE   _IOF(0, 2)
#define	IOF_ARRAY   _IOF(0, 1)
#define	IOF_CONSTANT   _IOF(1, 0)
#define	IOF_DATA   _IOF(0, 0)
#define	IOF_RELATIVE   _IOF(1, 2)
#define	IOF_VARIABLE   _IOF(1, 1)
#define	ITEM_CREATE0(type, tag)   BUILD_ITEM_PREFIX(0, type, tag)
	Create no-data item.
#define	ITEM_CREATE1(type, tag, data)   BUILD_ITEM_PREFIX(1, type, tag), data
	Create item with 1-byte data.
#define	ITEM_GLOBAL   1
#define	ITEM_LOCAL   2
#define	ITEM_MAIN   0
#define	TAG_COLLECTION   10
#define	TAG_END_COLLECTION   12
#define	TAG_FEATURE   11
#define	TAG_INPUT   8
#define	TAG_LOGICAL_MAXIMUM   2
#define	TAG_LOGICAL_MINIMUM   1
#define	TAG_OUTPUT   9
#define	TAG_REPORT_COUNT   9
#define	TAG_REPORT_SIZE   7
#define	TAG_USAGE   0
#define	TAG_USAGE_MAXIMUM   2
#define	TAG_USAGE_MINIMUM   1
#define	TAG_USAGE_PAGE   0
Typedefs
typedef uint8_t	report_descriptor_data_t []

---

Detailed Description

HID Item related functions.

Definition in file items.h.

---