hidpath.c File Reference

HID report descriptor and report data parser implementation. More...

#include <usb/hid/hidparser.h>
#include <errno.h>
#include <stdio.h>
#include <malloc.h>
#include <mem.h>
#include <usb/debug.h>
#include <assert.h>

Go to the source code of this file.

Defines
#define	USB_HID_SAME_USAGE(usage1, usage2)   ((usage1 == usage2) || (usage1 == 0) || (usage2 == 0))
	Compares two usages if they are same or not or one of the usages is not set.
#define	USB_HID_SAME_USAGE_PAGE(page1, page2)   ((page1 == page2) || (page1 == 0) || (page2 == 0))
	Compares two usage pages if they are same or not or one of them is not set.
Functions
void	usb_hid_print_usage_path (usb_hid_report_path_t *path)
int	usb_hid_report_compare_usage_path (usb_hid_report_path_t *report_path, usb_hid_report_path_t *path, int flags)
	Compares two usage paths structures.
void	usb_hid_report_null_last_item (usb_hid_report_path_t *usage_path)
	Nulls last item of the usage path structure.
usb_hid_report_path_t *	usb_hid_report_path (void)
	Allocates and initializes new usage path structure.
int	usb_hid_report_path_append_item (usb_hid_report_path_t *usage_path, int32_t usage_page, int32_t usage)
	Appends one item (couple of usage_path and usage) into the usage path structure.
usb_hid_report_path_t *	usb_hid_report_path_clone (usb_hid_report_path_t *usage_path)
	Clone content of given usage path to the new one.
void	usb_hid_report_path_free (usb_hid_report_path_t *path)
	Releases given usage path structure.
int	usb_hid_report_path_set_report_id (usb_hid_report_path_t *path, uint8_t report_id)
	Sets report id in usage path structure.
void	usb_hid_report_remove_last_item (usb_hid_report_path_t *usage_path)
	Removes last item from the usage path structure.
void	usb_hid_report_set_last_item (usb_hid_report_path_t *usage_path, int32_t tag, int32_t data)
	Modifies last item of usage path structure by given usage page or usage.

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Detailed Description

HID report descriptor and report data parser implementation.

Definition in file hidpath.c.

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