309 lines
11 KiB
C
309 lines
11 KiB
C
/*
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Copyright 2013 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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/** \brief Action codes
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*
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* 16bit code: action_kind(4bit) + action_parameter(12bit)
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*
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* Key Actions(00xx)
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* -----------------
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* ACT_MODS(000r):
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* 000r|0000|0000 0000 No action code
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* 000r|0000|0000 0001 Transparent code
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* 000r|0000| keycode Key
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* 000r|mods|0000 0000 Modifiers
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* 000r|mods| keycode Modifiers+Key(Modified key)
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* r: Left/Right flag(Left:0, Right:1)
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*
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* ACT_MODS_TAP(001r):
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* 001r|mods|0000 0000 Modifiers with OneShot
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* 001r|mods|0000 0001 Modifiers with tap toggle
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* 001r|mods|0000 00xx (reserved)
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* 001r|mods| keycode Modifiers with Tap Key(Dual role)
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*
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* Other Keys(01xx)
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* ----------------
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* ACT_USAGE(0100): TODO: Not needed?
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* 0100|00| usage(10) System control(0x80) - General Desktop page(0x01)
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* 0100|01| usage(10) Consumer control(0x01) - Consumer page(0x0C)
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* 0100|10| usage(10) (reserved)
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* 0100|11| usage(10) (reserved)
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*
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* ACT_MOUSEKEY(0101): TODO: Merge these two actions to conserve space?
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* 0101|xxxx| keycode Mouse key
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*
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* ACT_SWAP_HANDS(0110):
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* 0110|xxxx| keycode Swap hands (keycode on tap, or options)
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*
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* 0111|xxxx xxxx xxxx (reserved)
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*
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* Layer Actions(10xx)
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* -------------------
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* ACT_LAYER(1000):
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* 1000|oo00|pppE BBBB Default Layer Bitwise operation
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* oo: operation(00:AND, 01:OR, 10:XOR, 11:SET)
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* ppp: 4-bit chunk part(0-7)
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* EBBBB: bits and extra bit
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* 1000|ooee|pppE BBBB Layer Bitwise Operation
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* oo: operation(00:AND, 01:OR, 10:XOR, 11:SET)
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* ppp: 4-bit chunk part(0-7)
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* EBBBB: bits and extra bit
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* ee: on event(01:press, 10:release, 11:both)
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*
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* ACT_LAYER_MODS(1001):
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* 1001|LLLL| mods Layer with modifiers held
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*
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* ACT_LAYER_TAP(101x):
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* 101E|LLLL| keycode On/Off with tap key (0x00-DF)[TAP]
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* 101E|LLLL|1110 mods On/Off with modifiers (0xE0-EF)[NOT TAP]
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* 101E|LLLL|1111 0000 Invert with tap toggle (0xF0) [TAP]
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* 101E|LLLL|1111 0001 On/Off (0xF1) [NOT TAP]
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* 101E|LLLL|1111 0010 Off/On (0xF2) [NOT TAP]
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* 101E|LLLL|1111 0011 Set/Clear (0xF3) [NOT TAP]
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* 101E|LLLL|1111 0100 One Shot Layer (0xF4) [TAP]
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* 101E|LLLL|1111 xxxx Reserved (0xF5-FF)
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* ELLLL: layer 0-31(E: extra bit for layer 16-31)
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*
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* Extensions(11xx)
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* ----------------
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* ACT_MACRO(1100):
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* 1100|opt | id(8) Macro play?
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* 1100|1111| id(8) Macro record?
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*
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* 1101|xxxx xxxx xxxx (reserved)
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* 1110|xxxx xxxx xxxx (reserved)
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*
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* ACT_FUNCTION(1111):
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* 1111| address(12) Function?
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* 1111|opt | id(8) Function?
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*/
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enum action_kind_id {
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/* Key Actions */
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ACT_MODS = 0b0000,
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ACT_LMODS = 0b0000,
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ACT_RMODS = 0b0001,
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ACT_MODS_TAP = 0b0010,
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ACT_LMODS_TAP = 0b0010,
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ACT_RMODS_TAP = 0b0011,
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/* Other Keys */
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ACT_USAGE = 0b0100,
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ACT_MOUSEKEY = 0b0101,
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/* One-hand Support */
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ACT_SWAP_HANDS = 0b0110,
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/* Layer Actions */
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ACT_LAYER = 0b1000,
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ACT_LAYER_MODS = 0b1001,
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ACT_LAYER_TAP = 0b1010, /* Layer 0-15 */
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ACT_LAYER_TAP_EXT = 0b1011, /* Layer 16-31 */
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/* Extensions */
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ACT_MACRO = 0b1100,
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ACT_FUNCTION = 0b1111
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};
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/** \brief Action Code Struct
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*
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* NOTE:
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* In avr-gcc bit field seems to be assigned from LSB(bit0) to MSB(bit15).
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* AVR looks like a little endian in avr-gcc.
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* Not portable across compiler/endianness?
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*
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* Byte order and bit order of 0x1234:
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* Big endian: Little endian:
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* -------------------- --------------------
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* FEDC BA98 7654 3210 0123 4567 89AB CDEF
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* 0001 0010 0011 0100 0010 1100 0100 1000
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* 0x12 0x34 0x34 0x12
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*/
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typedef union {
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uint16_t code;
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struct action_kind {
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uint16_t param : 12;
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uint8_t id : 4;
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} kind;
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struct action_key {
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uint8_t code : 8;
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uint8_t mods : 4;
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uint8_t kind : 4;
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} key;
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struct action_layer_bitop {
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uint8_t bits : 4;
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uint8_t xbit : 1;
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uint8_t part : 3;
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uint8_t on : 2;
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uint8_t op : 2;
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uint8_t kind : 4;
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} layer_bitop;
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struct action_layer_mods {
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uint8_t mods : 8;
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uint8_t layer : 4;
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uint8_t kind : 4;
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} layer_mods;
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struct action_layer_tap {
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uint8_t code : 8;
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uint8_t val : 5;
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uint8_t kind : 3;
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} layer_tap;
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struct action_usage {
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uint16_t code : 10;
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uint8_t page : 2;
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uint8_t kind : 4;
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} usage;
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struct action_function {
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uint8_t id : 8;
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uint8_t opt : 4;
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uint8_t kind : 4;
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} func;
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struct action_swap {
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uint8_t code : 8;
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uint8_t opt : 4;
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uint8_t kind : 4;
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} swap;
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} action_t;
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/* action utility */
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#define ACTION_NO 0
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#define ACTION_TRANSPARENT 1
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#define ACTION(kind, param) ((kind) << 12 | (param))
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/** \brief Key Actions
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*
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* Mod bits: 43210
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* bit 0 ||||+- Control
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* bit 1 |||+-- Shift
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* bit 2 ||+--- Alt
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* bit 3 |+---- Gui
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* bit 4 +----- LR flag(Left:0, Right:1)
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*/
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enum mods_bit {
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MOD_LCTL = 0x01,
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MOD_LSFT = 0x02,
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MOD_LALT = 0x04,
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MOD_LGUI = 0x08,
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MOD_RCTL = 0x11,
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MOD_RSFT = 0x12,
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MOD_RALT = 0x14,
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MOD_RGUI = 0x18,
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};
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enum mods_codes {
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MODS_ONESHOT = 0x00,
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MODS_TAP_TOGGLE = 0x01,
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};
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#define ACTION_KEY(key) ACTION(ACT_MODS, (key))
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#define ACTION_MODS(mods) ACTION(ACT_MODS, ((mods)&0x1f) << 8 | 0)
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#define ACTION_MODS_KEY(mods, key) ACTION(ACT_MODS, ((mods)&0x1f) << 8 | (key))
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#define ACTION_MODS_TAP_KEY(mods, key) ACTION(ACT_MODS_TAP, ((mods)&0x1f) << 8 | (key))
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#define ACTION_MODS_ONESHOT(mods) ACTION(ACT_MODS_TAP, ((mods)&0x1f) << 8 | MODS_ONESHOT)
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#define ACTION_MODS_TAP_TOGGLE(mods) ACTION(ACT_MODS_TAP, ((mods)&0x1f) << 8 | MODS_TAP_TOGGLE)
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/** \brief Other Keys
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*/
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enum usage_pages { PAGE_SYSTEM, PAGE_CONSUMER };
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#define ACTION_USAGE_SYSTEM(id) ACTION(ACT_USAGE, PAGE_SYSTEM << 10 | (id))
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#define ACTION_USAGE_CONSUMER(id) ACTION(ACT_USAGE, PAGE_CONSUMER << 10 | (id))
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#define ACTION_MOUSEKEY(key) ACTION(ACT_MOUSEKEY, key)
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/** \brief Layer Actions
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*/
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enum layer_param_on {
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ON_PRESS = 1,
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ON_RELEASE = 2,
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ON_BOTH = 3,
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};
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/** \brief Layer Actions
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*/
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enum layer_param_bit_op {
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OP_BIT_AND = 0,
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OP_BIT_OR = 1,
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OP_BIT_XOR = 2,
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OP_BIT_SET = 3,
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};
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/** \brief Layer Actions
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*/
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enum layer_param_tap_op {
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OP_TAP_TOGGLE = 0xF0,
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OP_ON_OFF,
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OP_OFF_ON,
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OP_SET_CLEAR,
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OP_ONESHOT,
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};
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#define ACTION_LAYER_BITOP(op, part, bits, on) ACTION(ACT_LAYER, (op) << 10 | (on) << 8 | (part) << 5 | ((bits)&0x1f))
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#define ACTION_LAYER_TAP(layer, key) ACTION(ACT_LAYER_TAP, (layer) << 8 | (key))
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/* Default Layer */
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#define ACTION_DEFAULT_LAYER_SET(layer) ACTION_DEFAULT_LAYER_BIT_SET((layer) / 4, 1 << ((layer) % 4))
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/* Layer Operation */
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#define ACTION_LAYER_CLEAR(on) ACTION_LAYER_BIT_AND(0, 0, (on))
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#define ACTION_LAYER_MOMENTARY(layer) ACTION_LAYER_ON_OFF(layer)
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#define ACTION_LAYER_TOGGLE(layer) ACTION_LAYER_INVERT(layer, ON_RELEASE)
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#define ACTION_LAYER_INVERT(layer, on) ACTION_LAYER_BIT_XOR((layer) / 4, 1 << ((layer) % 4), (on))
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#define ACTION_LAYER_ON(layer, on) ACTION_LAYER_BIT_OR((layer) / 4, 1 << ((layer) % 4), (on))
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#define ACTION_LAYER_OFF(layer, on) ACTION_LAYER_BIT_AND((layer) / 4, ~(1 << ((layer) % 4)), (on))
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#define ACTION_LAYER_SET(layer, on) ACTION_LAYER_BIT_SET((layer) / 4, 1 << ((layer) % 4), (on))
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#define ACTION_LAYER_ON_OFF(layer) ACTION_LAYER_TAP((layer), OP_ON_OFF)
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#define ACTION_LAYER_OFF_ON(layer) ACTION_LAYER_TAP((layer), OP_OFF_ON)
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#define ACTION_LAYER_SET_CLEAR(layer) ACTION_LAYER_TAP((layer), OP_SET_CLEAR)
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#define ACTION_LAYER_ONESHOT(layer) ACTION_LAYER_TAP((layer), OP_ONESHOT)
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#define ACTION_LAYER_MODS(layer, mods) ACTION(ACT_LAYER_MODS, (layer) << 8 | (mods))
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/* With Tapping */
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#define ACTION_LAYER_TAP_KEY(layer, key) ACTION_LAYER_TAP((layer), (key))
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#define ACTION_LAYER_TAP_TOGGLE(layer) ACTION_LAYER_TAP((layer), OP_TAP_TOGGLE)
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/* Bitwise Operation */
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#define ACTION_LAYER_BIT_AND(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_AND, (part), (bits), (on))
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#define ACTION_LAYER_BIT_OR(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_OR, (part), (bits), (on))
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#define ACTION_LAYER_BIT_XOR(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_XOR, (part), (bits), (on))
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#define ACTION_LAYER_BIT_SET(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_SET, (part), (bits), (on))
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/* Default Layer Bitwise Operation */
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#define ACTION_DEFAULT_LAYER_BIT_AND(part, bits) ACTION_LAYER_BITOP(OP_BIT_AND, (part), (bits), 0)
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#define ACTION_DEFAULT_LAYER_BIT_OR(part, bits) ACTION_LAYER_BITOP(OP_BIT_OR, (part), (bits), 0)
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#define ACTION_DEFAULT_LAYER_BIT_XOR(part, bits) ACTION_LAYER_BITOP(OP_BIT_XOR, (part), (bits), 0)
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#define ACTION_DEFAULT_LAYER_BIT_SET(part, bits) ACTION_LAYER_BITOP(OP_BIT_SET, (part), (bits), 0)
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/* Macro */
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#define ACTION_MACRO(id) ACTION(ACT_MACRO, (id))
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#define ACTION_MACRO_TAP(id) ACTION(ACT_MACRO, FUNC_TAP << 8 | (id))
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#define ACTION_MACRO_OPT(id, opt) ACTION(ACT_MACRO, (opt) << 8 | (id))
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/* Function */
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enum function_opts {
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FUNC_TAP = 0x8, /* indciates function is tappable */
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};
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#define ACTION_FUNCTION(id) ACTION(ACT_FUNCTION, (id))
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#define ACTION_FUNCTION_TAP(id) ACTION(ACT_FUNCTION, FUNC_TAP << 8 | (id))
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#define ACTION_FUNCTION_OPT(id, opt) ACTION(ACT_FUNCTION, (opt) << 8 | (id))
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/* OneHand Support */
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enum swap_hands_param_tap_op {
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OP_SH_TOGGLE = 0xF0,
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OP_SH_TAP_TOGGLE,
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OP_SH_ON_OFF,
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OP_SH_OFF_ON,
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OP_SH_OFF,
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OP_SH_ON,
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OP_SH_ONESHOT,
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};
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#define ACTION_SWAP_HANDS() ACTION_SWAP_HANDS_ON_OFF()
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#define ACTION_SWAP_HANDS_TOGGLE() ACTION(ACT_SWAP_HANDS, OP_SH_TOGGLE)
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#define ACTION_SWAP_HANDS_TAP_TOGGLE() ACTION(ACT_SWAP_HANDS, OP_SH_TAP_TOGGLE)
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#define ACTION_SWAP_HANDS_ONESHOT() ACTION(ACT_SWAP_HANDS, OP_SH_ONESHOT)
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#define ACTION_SWAP_HANDS_TAP_KEY(key) ACTION(ACT_SWAP_HANDS, key)
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#define ACTION_SWAP_HANDS_ON_OFF() ACTION(ACT_SWAP_HANDS, OP_SH_ON_OFF)
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#define ACTION_SWAP_HANDS_OFF_ON() ACTION(ACT_SWAP_HANDS, OP_SH_OFF_ON)
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#define ACTION_SWAP_HANDS_ON() ACTION(ACT_SWAP_HANDS, OP_SH_ON)
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#define ACTION_SWAP_HANDS_OFF() ACTION(ACT_SWAP_HANDS, OP_SH_OFF)
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