2 * @brief Constants for HID report item attributes
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5 * Copyright(C) NXP Semiconductors, 2012
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6 * Copyright(C) Dean Camera, 2011, 2012
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7 * All rights reserved.
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10 * Software that is described herein is for illustrative purposes only
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11 * which provides customers with programming information regarding the
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12 * LPC products. This software is supplied "AS IS" without any warranties of
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13 * any kind, and NXP Semiconductors and its licensor disclaim any and
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14 * all warranties, express or implied, including all implied warranties of
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15 * merchantability, fitness for a particular purpose and non-infringement of
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16 * intellectual property rights. NXP Semiconductors assumes no responsibility
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17 * or liability for the use of the software, conveys no license or rights under any
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18 * patent, copyright, mask work right, or any other intellectual property rights in
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19 * or to any products. NXP Semiconductors reserves the right to make changes
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20 * in the software without notification. NXP Semiconductors also makes no
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21 * representation or warranty that such application will be suitable for the
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22 * specified use without further testing or modification.
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25 * Permission to use, copy, modify, and distribute this software and its
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26 * documentation is hereby granted, under NXP Semiconductors' and its
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27 * licensor's relevant copyrights in the software, without fee, provided that it
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28 * is used in conjunction with NXP Semiconductors microcontrollers. This
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29 * copyright, permission, and disclaimer notice must appear in all copies of
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33 /** @ingroup Group_HIDParser
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34 * @defgroup Group_HIDReportItemConst HID Report Descriptor Item Constants
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36 * General HID constant definitions for HID Report Descriptor elements.
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41 #ifndef __HIDREPORTDATA_H__
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42 #define __HIDREPORTDATA_H__
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44 /* Private Interface - For use in library only: */
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45 #if !defined(__DOXYGEN__)
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47 #define HID_RI_DATA_SIZE_MASK 0x03
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48 #define HID_RI_TYPE_MASK 0x0C
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49 #define HID_RI_TAG_MASK 0xF0
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51 #define HID_RI_TYPE_MAIN 0x00
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52 #define HID_RI_TYPE_GLOBAL 0x04
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53 #define HID_RI_TYPE_LOCAL 0x08
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55 #define HID_RI_DATA_BITS_0 0x00
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56 #define HID_RI_DATA_BITS_8 0x01
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57 #define HID_RI_DATA_BITS_16 0x02
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58 #define HID_RI_DATA_BITS_32 0x03
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59 #define HID_RI_DATA_BITS(DataBits) HID_RI_DATA_BITS_ ## DataBits
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61 #define _HID_RI_ENCODE_0(Data)
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62 #define _HID_RI_ENCODE_8(Data) , (Data & 0xFF)
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63 #define _HID_RI_ENCODE_16(Data) _HID_RI_ENCODE_8(Data) _HID_RI_ENCODE_8(Data >> 8)
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64 #define _HID_RI_ENCODE_32(Data) _HID_RI_ENCODE_16(Data) _HID_RI_ENCODE_16(Data >> 16)
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65 #define _HID_RI_ENCODE(DataBits, ...) _HID_RI_ENCODE_ ## DataBits(__VA_ARGS__)
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67 #define _HID_RI_ENTRY(Type, Tag, DataBits, ...) \
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68 (Type | Tag | HID_RI_DATA_BITS(DataBits)) _HID_RI_ENCODE(DataBits, (__VA_ARGS__))
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71 /* Public Interface - May be used in end-application: */
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73 /** @name HID Input, Output and Feature Report Descriptor Item Flags */
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75 #define HID_IOF_CONSTANT (1 << 0)
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76 #define HID_IOF_DATA (0 << 0)
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77 #define HID_IOF_VARIABLE (1 << 1)
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78 #define HID_IOF_ARRAY (0 << 1)
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79 #define HID_IOF_RELATIVE (1 << 2)
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80 #define HID_IOF_ABSOLUTE (0 << 2)
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81 #define HID_IOF_WRAP (1 << 3)
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82 #define HID_IOF_NO_WRAP (0 << 3)
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83 #define HID_IOF_NON_LINEAR (1 << 4)
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84 #define HID_IOF_LINEAR (0 << 4)
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85 #define HID_IOF_NO_PREFERRED_STATE (1 << 5)
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86 #define HID_IOF_PREFERRED_STATE (0 << 5)
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87 #define HID_IOF_NULLSTATE (1 << 6)
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88 #define HID_IOF_NO_NULL_POSITION (0 << 6)
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89 #define HID_IOF_VOLATILE (1 << 7)
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90 #define HID_IOF_NON_VOLATILE (0 << 7)
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91 #define HID_IOF_BUFFERED_BYTES (1 << 8)
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92 #define HID_IOF_BITFIELD (0 << 8)
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95 /** @name HID Report Descriptor Item Macros */
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97 #define HID_RI_INPUT(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_MAIN , 0x80, DataBits, __VA_ARGS__)
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98 #define HID_RI_OUTPUT(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_MAIN , 0x90, DataBits, __VA_ARGS__)
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99 #define HID_RI_COLLECTION(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_MAIN , 0xA0, DataBits, __VA_ARGS__)
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100 #define HID_RI_FEATURE(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_MAIN , 0xB0, DataBits, __VA_ARGS__)
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101 #define HID_RI_END_COLLECTION(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_MAIN , 0xC0, DataBits, __VA_ARGS__)
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102 #define HID_RI_USAGE_PAGE(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x00, DataBits, __VA_ARGS__)
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103 #define HID_RI_LOGICAL_MINIMUM(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x10, DataBits, __VA_ARGS__)
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104 #define HID_RI_LOGICAL_MAXIMUM(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x20, DataBits, __VA_ARGS__)
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105 #define HID_RI_PHYSICAL_MINIMUM(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x30, DataBits, __VA_ARGS__)
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106 #define HID_RI_PHYSICAL_MAXIMUM(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x40, DataBits, __VA_ARGS__)
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107 #define HID_RI_UNIT_EXPONENT(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x50, DataBits, __VA_ARGS__)
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108 #define HID_RI_UNIT(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x60, DataBits, __VA_ARGS__)
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109 #define HID_RI_REPORT_SIZE(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x70, DataBits, __VA_ARGS__)
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110 #define HID_RI_REPORT_ID(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x80, DataBits, __VA_ARGS__)
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111 #define HID_RI_REPORT_COUNT(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0x90, DataBits, __VA_ARGS__)
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112 #define HID_RI_PUSH(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0xA0, DataBits, __VA_ARGS__)
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113 #define HID_RI_POP(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_GLOBAL, 0xB0, DataBits, __VA_ARGS__)
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114 #define HID_RI_USAGE(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_LOCAL , 0x00, DataBits, __VA_ARGS__)
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115 #define HID_RI_USAGE_MINIMUM(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_LOCAL , 0x10, DataBits, __VA_ARGS__)
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116 #define HID_RI_USAGE_MAXIMUM(DataBits, ...) _HID_RI_ENTRY(HID_RI_TYPE_LOCAL , 0x20, DataBits, __VA_ARGS__)
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