ref: 391198888a71649067d10862db1f1afed2b69c90
dir: /sys/src/cmd/nusb/kb/hid.h/
/*
* USB keyboard/mouse constants
*/
enum {
Stack = 32 * 1024,
/* HID class subclass protocol ids */
PtrCSP = 0x020103, /* mouse.boot.hid */
Ptr2CSP = 0x000003, /* could be a trackpoint */
KbdCSP = 0x010103, /* keyboard.boot.hid */
/* 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,
};
enum {
/* keyboard modifier bits */
Mlctrl = 0,
Mlshift = 1,
Mlalt = 2,
Mlgui = 3,
Mrctrl = 4,
Mrshift = 5,
Mralt = 6,
Mrgui = 7,
/* masks for byte[0] */
Mctrl = 1<<Mlctrl | 1<<Mrctrl,
Mshift = 1<<Mlshift | 1<<Mrshift,
Malt = 1<<Mlalt | 1<<Mralt,
Mcompose = 1<<Mlalt,
Maltgr = 1<<Mralt,
Mgui = 1<<Mlgui | 1<<Mrgui,
MaxAcc = 3, /* max. ptr acceleration */
PtrMask= 0xf, /* 4 buttons: should allow for more. */
};
/*
* Plan 9 keyboard driver constants.
*/
enum {
/* Scan codes (see kbd.c) */
SCesc1 = 0xe0, /* first of a 2-character sequence */
SCesc2 = 0xe1,
SClshift = 0x2a,
SCrshift = 0x36,
SCctrl = 0x1d,
SCcompose = 0x38,
Keyup = 0x80, /* flag bit */
Keymask = 0x7f, /* regular scan code bits */
};