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3 <strong>HID</strong> <strong>Sensor</strong> <strong>Usage</strong>s<br />
Table of Contents<br />
1. SENSOR PAGE (0X20) ..................................................................................................................... 7<br />
1.1 SENSOR DEVICE USAGES ..................................................................................................................... 20<br />
1.2 SENSOR FIELD USAGES: MODIFIERS ...................................................................................................... 24<br />
1.3 SENSOR FIELD USAGES: STATES ............................................................................................................ 25<br />
1.4 SENSOR FIELD USAGES: EVENTS ........................................................................................................... 26<br />
1.5 SENSOR FIELD USAGES: PROPERTIES ...................................................................................................... 27<br />
1.6 BIOMETRIC SENSOR FIELD USAGES ........................................................................................................ 30<br />
1.7 ELECTRICAL SENSOR FIELD USAGES ....................................................................................................... 30<br />
1.8 ENVIRONMENTAL SENSOR FIELD USAGES ............................................................................................... 31<br />
1.9 LIGHT SENSOR FIELD USAGES ............................................................................................................... 31<br />
1.10 LOCATION SENSOR FIELD USAGES ......................................................................................................... 32<br />
1.11 MECHANICAL SENSOR FIELD USAGES ..................................................................................................... 35<br />
1.12 MOTION SENSOR FIELD USAGES ........................................................................................................... 35<br />
1.13 ORIENTATION SENSOR FIELD USAGES .................................................................................................... 36<br />
1.14 SCANNER SENSOR FIELD USAGES .......................................................................................................... 38<br />
1.15 TIME SENSOR FIELD USAGES ................................................................................................................ 39<br />
1.16 CUSTOM SENSOR FIELD USAGES ........................................................................................................... 40<br />
1.17 GENERIC SENSOR FIELD USAGES ........................................................................................................... 40<br />
2. SENSOR BACKGROUNDER ............................................................................................................ 45<br />
2.1 GLOSSARY ........................................................................................................................................ 45<br />
2.2 SENSOR TAXONOMY AND OBJECT MODEL .............................................................................................. 50<br />
3. SENSOR INTERACTION VIA <strong>HID</strong> ..................................................................................................... 57<br />
3.1 RELATED DOCUMENTS ........................................................................................................................ 57<br />
3.2 FUNCTIONAL OVERVIEW ..................................................................................................................... 57<br />
3.3 <strong>HID</strong> LOGICAL DEVICES ........................................................................................................................ 58<br />
3.4 <strong>HID</strong> REPORTS ................................................................................................................................... 60<br />
3.5 <strong>HID</strong> REPORT IDS ............................................................................................................................... 60<br />
3.6 <strong>HID</strong> REPORT ITEMS ............................................................................................................................ 61<br />
3.6.1 <strong>HID</strong> Report Item packing options .......................................................................................... 62<br />
3.7 <strong>HID</strong> USAGES .................................................................................................................................... 64<br />
3.7.1 <strong>HID</strong> <strong>Usage</strong> Types ................................................................................................................... 64<br />
3.7.2 <strong>HID</strong> Selectors ......................................................................................................................... 65<br />
3.8 <strong>HID</strong> USAGE PAGE .............................................................................................................................. 66<br />
3.9 <strong>HID</strong> UNITS ....................................................................................................................................... 66<br />
3.10 <strong>HID</strong> UNIT EXPONENTS ........................................................................................................................ 68<br />
3.11 3D COORDINATES AND COMPASS POINTS .............................................................................................. 69<br />
4. ILLUSTRATIVE EXAMPLES ............................................................................................................. 71<br />
4.1 INCLUDE FILE DEFINITIONS .................................................................................................................. 71<br />
4.2 SPECIAL CONSTRUCTIONS .................................................................................................................... 78<br />
4.2.1 Values, Types, and Unit Exponents ....................................................................................... 78<br />
4.2.2 Extended Properties .............................................................................................................. 80<br />
4.2.3 Modifiers: Per‐datafield Properties ...................................................................................... 83<br />
4.2.4 Event Thresholds ................................................................................................................... 85<br />
4.2.5 <strong>Sensor</strong> Collections ................................................................................................................. 87<br />
4.2.6 Custom <strong>Sensor</strong> ...................................................................................................................... 93<br />
4.2.7 Generic <strong>Sensor</strong> ...................................................................................................................... 97<br />
4.3 ILLUSTRATIVE SENSOR REPORT DESCRIPTORS ........................................................................................ 104
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