Demos/Host/LowLevel/KeyboardHostWithParser/HIDReport.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Header file for HIDReport.c.
  34  */
  35
  36 #ifndef _HID_REPORT_H_
  37 #define _HID_REPORT_H_
  38
  39         /* Includes: */
  40                 #include <LUFA/Drivers/USB/USB.h>
  41                 #include <LUFA/Drivers/USB/Class/Host/HIDParser.h>
  42
  43                 #include "KeyboardHostWithParser.h"
  44
  45         /* Macros: */
  46                 /** HID Report Descriptor Usage Page value for a desktop keyboard */
  47                 #define USAGE_PAGE_KEYBOARD             0x07
  48
  49         /* Enums: */
  50                 /** Enum for the possible return codes of the GetHIDReportData() function. */
  51                 enum KeyboardHostWithParser_GetHIDReportDataCodes_t
  52                 {
  53                         ParseSuccessful         = 0, /**< HID report descriptor parsed successfully */
  54                         ParseError              = 1, /**< Failed to fully process the HID report descriptor */
  55                         ParseControlError       = 2, /**< Control error occurred while trying to read the device HID descriptor */
  56                 };
  57
  58         /* Type Defines: */
  59                 /** Type define for a HID descriptor. */
  60                 typedef struct
  61                 {
  62                         USB_Descriptor_Header_t  Header; /**< Regular descriptor header containing the descriptor's type and length */
  63
  64                         uint16_t                 HIDSpec; /**< Implemented HID class specification, in BCD encoded format */
  65                         uint8_t                  CountryCode; /**< Country code value for localized hardware */
  66
  67                         uint8_t                  TotalHIDDescriptors; /**< Total number of HID report descriptors in the current interface */
  68
  69                         uint8_t                  HIDReportType; /**< HID report type of the first HID report descriptor */
  70                         uint16_t                 HIDReportLength; /**< Total size in bytes of the first HID report descriptor */
  71                 } USB_Descriptor_HID_t;
  72
  73         /* External Variables: */
  74                 extern uint16_t         HIDReportSize;
  75                 extern HID_ReportInfo_t HIDReportInfo;
  76
  77         /* Function Prototypes: */
  78                 uint8_t GetHIDReportData(void);
  79
  80                 bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* CurrentItemAttributes);
  81
  82 #endif