ref: 688c1f15cdaa5fcad19d9fddb30e1c555bfc59e0
dir: /sys/src/cmd/nusb/joy/hid.h/
/*
* USB joystick constants
*/
enum {
Stack = 32 * 1024,
/* HID class subclass protocol ids */
JoyCSP = 0x000003,
Maxaxes = 3,
/* Requests */
Getreport = 0x01,
Setreport = 0x09,
Getproto = 0x03,
Setproto = 0x0b,
/* protocols for SET_PROTO request */
Bootproto = 0,
Reportproto = 1,
/* protocols for SET_REPORT request */
Reportout = 0x0200,
};
/*
* USB HID report descriptor item tags
*/
enum {
/* main items */
Input = 8,
Output,
Collection,
Feature,
CollectionEnd,
/* global items */
UsagPg = 0,
LogiMin,
LogiMax,
PhysMin,
PhysMax,
UnitExp,
UnitTyp,
RepSize,
RepId,
RepCnt,
Push,
Pop,
/* local items */
Usage = 0,
UsagMin,
UsagMax,
DesgIdx,
DesgMin,
DesgMax,
StrgIdx,
StrgMin,
StrgMax,
Delim,
};
/* main item flags */
enum {
Fdata = 0<<0, Fconst = 1<<0,
Farray = 0<<1, Fvar = 1<<1,
Fabs = 0<<2, Frel = 1<<2,
Fnowrap = 0<<3, Fwrap = 1<<3,
Flinear = 0<<4, Fnonlin = 1<<4,
Fpref = 0<<5, Fnopref = 1<<5,
Fnonull = 0<<6, Fnullst = 1<<6,
};