Virtual USB keybaord
[USB virtualization]

Virtual USB keyboard for virtual host controller. More...

Files
file	items.h
	HID Item related functions.
file	report.h
	HID Report Descriptor.
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	END_COLLECTION()   ITEM_CREATE0(ITEM_MAIN, TAG_END_COLLECTION)
	End a collection.
#define	INPUT(modifiers)   ITEM_CREATE1(ITEM_MAIN, TAG_INPUT, modifiers)
#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	LOGICAL_MAXIMUM1(value)   ITEM_CREATE1(ITEM_GLOBAL, TAG_LOGICAL_MAXIMUM, value)
#define	LOGICAL_MINIMUM1(value)   ITEM_CREATE1(ITEM_GLOBAL, TAG_LOGICAL_MINIMUM, value)
#define	OUTPUT(modifiers)   ITEM_CREATE1(ITEM_MAIN, TAG_OUTPUT, modifiers)
#define	REPORT_COUNT1(count)   ITEM_CREATE1(ITEM_GLOBAL, TAG_REPORT_COUNT, count)
#define	REPORT_SIZE1(size)   ITEM_CREATE1(ITEM_GLOBAL, TAG_REPORT_SIZE, size)
#define	START_COLLECTION(collection)   ITEM_CREATE1(ITEM_MAIN, TAG_COLLECTION, collection)
	Start a collection.
#define	STD_USAGE_PAGE(page)   ITEM_CREATE1(ITEM_GLOBAL, TAG_USAGE_PAGE, page)
	Use standard Usage Page.
#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
#define	USAGE1(usage_id)   ITEM_CREATE1(ITEM_LOCAL, TAG_USAGE, usage_id)
	Usage with one byte usage ID.
#define	USAGE_MAXIMUM1(value)   ITEM_CREATE1(ITEM_LOCAL, TAG_USAGE_MAXIMUM, value)
#define	USAGE_MINIMUM1(value)   ITEM_CREATE1(ITEM_LOCAL, TAG_USAGE_MINIMUM, value)
Typedefs
typedef uint8_t	report_descriptor_data_t []

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Detailed Description

Virtual USB keyboard for virtual host controller.

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Define Documentation

#define BUILD_ITEM_PREFIX	(	size,
		type,
		tag		)	((size) | ((type) << 2) | ((tag) << 4))

Creates item prefix.

Parameters:

	size	Item size.
	type	Item type.
	tag	Item tag.

Definition at line 91 of file items.h.

#define ITEM_CREATE0	(	type,
		tag		)	BUILD_ITEM_PREFIX(0, type, tag)

Create no-data item.

Parameters:

	type	Item type.
	tag	Item tag.

Definition at line 98 of file items.h.

#define ITEM_CREATE1	(	type,
		tag,
		data		)	BUILD_ITEM_PREFIX(1, type, tag), data

Create item with 1-byte data.

Parameters:

	type	Item type.
	tag	Item tag.
	data	Item data (single byte).

Definition at line 106 of file items.h.

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