VuoHid implementation.
- Copyright
- Copyright © 2012–2020 Kosada Incorporated. This code may be modified and distributed under the terms of the MIT License. For more information, see https://vuo.org/license.
Definition in file VuoHidUsage.c.
Go to the source code of this file.
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| char * | VuoHid_getUsageText (uint32_t usagePage, uint32_t usage) |
| | Returns a string containing a verbal description of the specified USB HID usage. More...
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◆ VuoHid_getUsageText()
| char* VuoHid_getUsageText |
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uint32_t |
usagePage, |
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uint32_t |
usage |
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Returns a string containing a verbal description of the specified USB HID usage.
The caller is responsible for freeing the returned string.
Based on "HID Usage Tables 10/28/2004 Version 1.12" (with a few spelling errors corrected), plus changes from Review Requests 28 through 57. Exceptions:
- Implementation of RR39 is incomplete.
- RR43 is not published and is thus not implemented.
- The conflicting assignments between RR33 and RR47 are resolved by RR57.
- Includes usage 0x01:0xffffffff (Apple Mikey keycode).
- Includes usage 0x07:0xffffffff (the 8-bit USB HID keycodes of up to 8 simultanouely-pressed keys).
- Includes usage pages 0x84 and 0x85 from "Universal Serial Bus Usage Tables for HID Power Devices Release 1.0 November 1, 1997".
- Includes usage page 0xff (Fn key on Apple Keyboards).
Definition at line 38 of file VuoHidUsage.c.
