316 lines
11 KiB
C
316 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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#ifndef ACTION_CODE_H
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#define ACTION_CODE_H
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/* 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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*
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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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*
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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(0110): TODO: Not needed?
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* 0101|xxxx| keycode Mouse key
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*
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* 011x|xxxx xxxx xxxx (reseved)
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*
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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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* 1001|xxxx|xxxx xxxx (reserved)
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* 1001|oopp|BBBB BBBB 8-bit Bitwise Operation???
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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 xxxx Reserved (0xF4-FF)
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* ELLLL: layer 0-31(E: extra bit for layer 16-31)
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*
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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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* ACT_BACKLIGHT(1101):
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* 1101|opt |level(8) Backlight commands
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*
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* ACT_COMMAND(1110):
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* 1110|opt | id(8) Built-in Command exec
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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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/* Layer Actions */
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ACT_LAYER = 0b1000,
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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_BACKLIGHT = 0b1101,
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ACT_COMMAND = 0b1110,
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ACT_FUNCTION = 0b1111
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};
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/* 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_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_backlight {
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uint8_t level :8;
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uint8_t opt :4;
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uint8_t kind :4;
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} backlight;
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struct action_command {
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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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} command;
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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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} 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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/*
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* 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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/*
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* Other Keys
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*/
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enum usage_pages {
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PAGE_SYSTEM,
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PAGE_CONSUMER
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};
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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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/*
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* 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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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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enum layer_pram_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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};
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#define ACTION_LAYER_BITOP(op, part, bits, on) (ACT_LAYER<<12 | (op)<<10 | (on)<<8 | (part)<<5 | ((bits)&0x1f))
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#define ACTION_LAYER_TAP(layer, key) (ACT_LAYER_TAP<<12 | (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_MODS(layer, mods) ACTION_LAYER_TAP((layer), 0xe0 | ((mods)&0x0f))
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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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/*
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* Extensions
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*/
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enum backlight_opt {
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BACKLIGHT_INCREASE = 0,
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BACKLIGHT_DECREASE = 1,
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BACKLIGHT_TOGGLE = 2,
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BACKLIGHT_STEP = 3,
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BACKLIGHT_LEVEL = 4,
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};
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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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/* Backlight */
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#define ACTION_BACKLIGHT_INCREASE() ACTION(ACT_BACKLIGHT, BACKLIGHT_INCREASE << 8)
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#define ACTION_BACKLIGHT_DECREASE() ACTION(ACT_BACKLIGHT, BACKLIGHT_DECREASE << 8)
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#define ACTION_BACKLIGHT_TOGGLE() ACTION(ACT_BACKLIGHT, BACKLIGHT_TOGGLE << 8)
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#define ACTION_BACKLIGHT_STEP() ACTION(ACT_BACKLIGHT, BACKLIGHT_STEP << 8)
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#define ACTION_BACKLIGHT_LEVEL(level) ACTION(ACT_BACKLIGHT, BACKLIGHT_LEVEL << 8 | level)
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/* Command */
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#define ACTION_COMMAND(id, opt) ACTION(ACT_COMMAND, (opt)<<8 | (addr))
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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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#endif /* ACTION_CODE_H */
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