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qmk_firmware/common/action.h

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/*
Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
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#ifndef ACTION_H
#define ACTION_H
#include "keyboard.h"
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#include "keycode.h"
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/* Execute action per keyevent */
void action_exec(keyevent_t event);
/* Struct to record event and tap count */
typedef struct {
keyevent_t event;
uint8_t tap_count;
} keyrecord_t;
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/* Action struct.
*
* In avr-gcc bit field seems to be assigned from LSB(bit0) to MSB(bit15).
* AVR looks like a little endian in avr-gcc.
*
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* NOTE: not portable across compiler/endianness?
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* Byte order and bit order of 0x1234:
* Big endian: 15 ... 8 7 ... 210
* | 0x12 | 0x34 |
* 0001 0010 0011 0100
* Little endian: 012 ... 7 8 ... 15
* | 0x34 | 0x12 |
* 0010 1100 0100 1000
*/
typedef union {
uint16_t code;
struct action_kind {
uint16_t param :12;
uint16_t id :4;
} kind;
struct action_key {
uint16_t code :8;
uint16_t mods :4;
uint16_t kind :4;
} key;
struct action_layer {
uint16_t code :8;
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uint16_t val :4;
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uint16_t kind :4;
} layer;
struct action_usage {
uint16_t code :10;
uint16_t page :2;
uint16_t kind :4;
} usage;
struct action_command {
uint16_t id :8;
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uint16_t opt :4;
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uint16_t kind :4;
} command;
struct action_function {
uint8_t id :8;
uint8_t opt :4;
uint8_t kind :4;
} func;
} action_t;
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/*
* Utilities for actions.
*/
void register_code(uint8_t code);
void unregister_code(uint8_t code);
void add_mods(uint8_t mods);
void del_mods(uint8_t mods);
void set_mods(uint8_t mods);
void clear_keyboard(void);
void clear_keyboard_but_mods(void);
bool sending_anykey(void);
void layer_switch(uint8_t new_layer);
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bool is_tap_key(key_t key);
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bool waiting_buffer_has_anykey_pressed(void);
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/*
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* Action codes
* ============
* 16bit code: action_kind(4bit) + action_parameter(12bit)
*
Keyboard Keys
-------------
ACT_LMODS(0000):
0000|0000|000000|00 No action
0000|0000| keycode Key
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0000|mods|000000|00 Left mods
0000|mods| keycode Key & Left mods
ACT_RMODS(0001):
0001|0000|000000|00 No action
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0001|0000| keycode Key(no used)
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0001|mods|000000|00 Right mods
0001|mods| keycode Key & Right mods
ACT_LMODS_TAP(0010):
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0010|mods|000000|00 Left mods OneShot
0010|mods|000000|01 (reserved)
0010|mods|000000|10 (reserved)
0010|mods|000000|11 (reserved)
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0010|mods| keycode Left mods + tap Key
ACT_RMODS_TAP(0011):
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0011|mods|000000|00 Right mods OneShot
0011|mods|000000|01 (reserved)
0011|mods|000000|10 (reserved)
0011|mods|000000|11 (reserved)
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0011|mods| keycode Right mods + tap Key
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Other HID Usage
---------------
This action handles other usages than keyboard.
ACT_USAGE(0100):
0100|00| usage(10) System control(0x80) - General Desktop page(0x01)
0100|01| usage(10) Consumer control(0x01) - Consumer page(0x0C)
0100|10| usage(10) (reserved)
0100|11| usage(10) (reserved)
Mouse Keys
----------
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TODO: can be combined with 'Other HID Usage'? to save action kind id.
ACT_MOUSEKEY(0110):
0101|XXXX| keycode Mouse key
Layer Actions
-------------
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TODO: reconsider layer methods.
1 momemtary + tap key up: L, down: default
1 bitwise + tap key up: xor B, down: xor B
3 momemtary go + tap key? up: X, down:
3 toggle(mementary back) + tap key? up: down: Y
3 no tap up: X, down: Y
ACT_LAYER_PRESSED(1000): Set layer on key pressed
ACT_LAYER_RELEASED(1001): Set layer on key released
ACT_LAYER_BIT(1010): On/Off layer bit
ACT_LAYER_EXT(1011): Extentions
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1000|LLLL|0000 0000 set layer L when pressed
1001|LLLL|0000 0000 set layer L when released
1010|BBBB|0000 0000 on/off bit B when pressed/released
1011|0000|0000 0000 set default layer when pressed
1011|0001|0000 0000 set default layer when released
1000|LLLL|1111 0000 set layer L when pressed + tap toggle
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1001|LLLL|1111 0000 set layer L when released + tap toggle
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1010|BBBB|1111 0000 on/off bit B when pressed/released + tap toggle
1011|0000|1111 0000 set default layer when pressed + tap toggle
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1011|0001|1111 0000 set default layer when released + tap toggle
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1000|LLLL|1111 1111 set L to default layer when pressed
1001|LLLL|1111 1111 set L to default layer when released
1010|BBBB|1111 1111 on/off bit B of default layer when pressed/released
1011|0000|1111 1111 set current to default layer when pressed
1011|0001|1111 1111 set current to default layer when released
1000|LLLL| keycode set layer L when pressed + tap key
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1001|LLLL| keyocde set layer L when released + tap key
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1010|BBBB| keyocde on/off bit B when pressed/released + tap key
1011|0000| keyocde set default layer when pressed + tap key
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1011|0001| keyocde set default layer when released + tap key
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Extensions(11XX)
----------------
NOTE: NOT FIXED
ACT_MACRO(1100):
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1100|opt | id(8) Macro play?
1100|1111| id(8) Macro record?
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ACT_COMMAND(1110):
1110|opt | id(8) Built-in Command exec
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ACT_FUNCTION(1111):
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1111| address(12) Function?
1111|opt | id(8) Function?
*/
enum action_kind_id {
ACT_LMODS = 0b0000,
ACT_RMODS = 0b0001,
ACT_LMODS_TAP = 0b0010,
ACT_RMODS_TAP = 0b0011,
ACT_USAGE = 0b0100,
ACT_MOUSEKEY = 0b0101,
ACT_LAYER_PRESSED = 0b1000,
ACT_LAYER_RELEASED = 0b1001,
ACT_LAYER_BIT = 0b1010,
ACT_LAYER_EXT = 0b1011,
ACT_MACRO = 0b1100,
ACT_COMMAND = 0b1110,
ACT_FUNCTION = 0b1111
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};
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enum params {
P_ONESHOT = 0x00,
};
enum options {
O_TAP = 0x8,
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};
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/* action utility */
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#define ACTION_NO 0
#define ACTION(kind, param) ((kind)<<12 | (param))
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#define MODS4(mods) (((mods)>>4 | (mods)) & 0x0F)
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/* Key */
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#define ACTION_KEY(key) ACTION(ACT_LMODS, key)
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/* Mods & key */
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#define ACTION_LMODS(mods) ACTION(ACT_LMODS, (mods)<<8 | 0x00)
#define ACTION_LMODS_KEY(mods, key) ACTION(ACT_LMODS, (mods)<<8 | (key))
#define ACTION_RMODS(mods) ACTION(ACT_RMODS, (mods)<<8 | 0x00)
#define ACTION_RMODS_KEY(mods, key) ACTION(ACT_RMODS, (mods)<<8 | (key))
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/* Mod & key */
#define ACTION_LMOD(mod) ACTION(ACT_LMODS, MODS4(MOD_BIT(mod))<<8 | 0x00)
#define ACTION_LMOD_KEY(mod, key) ACTION(ACT_LMODS, MODS4(MOD_BIT(mod))<<8 | (key))
#define ACTION_RMOD(mod) ACTION(ACT_RMODS, MODS4(MOD_BIT(mod))<<8 | 0x00)
#define ACTION_RMOD_KEY(mod, key) ACTION(ACT_RMODS, MODS4(MOD_BIT(mod))<<8 | (key))
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/* Mods + Tap key */
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#define ACTION_LMODS_TAP_KEY(mods, key) ACTION(ACT_LMODS_TAP, MODS4(mods)<<8 | (key))
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#define ACTION_LMODS_ONESHOT(mods) ACTION(ACT_LMODS_TAP, MODS4(mods)<<8 | P_ONESHOT)
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#define ACTION_RMODS_TAP_KEY(mods, key) ACTION(ACT_RMODS_TAP, MODS4(mods)<<8 | (key))
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#define ACTION_RMODS_ONESHOT(mods) ACTION(ACT_RMODS_TAP, MODS4(mods)<<8 | P_ONESHOT)
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/* Mod + Tap key */
#define ACTION_LMOD_TAP_KEY(mod, key) ACTION(ACT_LMODS_TAP, MODS4(MOD_BIT(mod))<<8 | (key))
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#define ACTION_LMOD_ONESHOT(mod) ACTION(ACT_LMODS_TAP, MODS4(MOD_BIT(mod))<<8 | P_ONESHOT)
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#define ACTION_RMOD_TAP_KEY(mod, key) ACTION(ACT_RMODS_TAP, MODS4(MOD_BIT(mod))<<8 | (key))
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#define ACTION_RMOD_ONESHOT(mod) ACTION(ACT_RMODS_TAP, MODS4(MOD_BIT(mod))<<8 | P_ONESHOT)
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// TODO: contemplate about layer action
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/* Switch current layer */
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#define ACTION_LAYER_SET(layer) ACTION(ACT_LAYER_PRESSED, (layer)<<8 | 0x00)
#define ACTION_LAYER_SET_ON_PRESSED(layer) ACTION(ACT_LAYER_PRESSED, (layer)<<8 | 0x00)
#define ACTION_LAYER_SET_ON_RELEASED(layer) ACTION(ACT_LAYER_RELEASED, (layer)<<8 | 0x00)
#define ACTION_LAYER_BIT(bits) ACTION(ACT_LAYER_BIT, (bits)<<8 | 0x00)
#define ACTION_LAYER_SET_DEFAULT ACTION(ACT_LAYER_EXT, 0x0<<8 | 0x00)
#define ACTION_LAYER_RETURN_DEFAULT ACTION(ACT_LAYER_EXT, 0x1<<8 | 0x00)
#define ACTION_LAYER_SET_DEFAULT_ON_PRESSED ACTION(ACT_LAYER_EXT, 0x0<<8 | 0x00)
#define ACTION_LAYER_SET_DEFAULT_ON_RELEASED ACTION(ACT_LAYER_EXT, 0x1<<8 | 0x00)
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/* Switch default layer */
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#define ACTION_LAYER_DEFAULT_SET(layer) ACTION(ACT_LAYER_PRESSED, (layer)<<8 | 0xFF)
#define ACTION_LAYER_DEFAULT_SET_ON_PRESSED(layer) ACTION(ACT_LAYER_PRESSED, (layer)<<8 | 0xFF)
#define ACTION_LAYER_DEFAULT_SET_ON_RELEASED(layer) ACTION(ACT_LAYER_RELEASED, (layer)<<8 | 0xFF)
#define ACTION_LAYER_DEFAULT_BIT(bits) ACTION(ACT_LAYER_BIT, (bits)<<8 | 0xFF)
#define ACTION_LAYER_DEFAULT_SET_CURRENT_ON_PRESSED ACTION(ACT_LAYER_EXT, 0x0<<8 | 0xFF)
#define ACTION_LAYER_DEFAULT_SET_CURRENT_ON_RELEASED ACTION(ACT_LAYER_EXT, 0x1<<8 | 0xFF)
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/* Layer switch with tap key */
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#define ACTION_LAYER_SET_TAP_KEY(layer, key) ACTION(ACT_LAYER_PRESSED, (layer)<<8 | (key))
#define ACTION_LAYER_BIT_TAP_KEY(bits, key) ACTION(ACT_LAYER_BIT, (bits)<<8 | (key))
#define ACTION_LAYER_DEFAULT_SET_TAP_KEY(key) ACTION(ACT_LAYER_EXT, 0x0<<8 | (key))
/* Layer switch with tap toggle */
#define ACTION_LAYER_SET_ON_PRESSED_TAP_TOGGLE(layer) ACTION(ACT_LAYER_PRESSED, (layer)<<8 | 0xF0)
#define ACTION_LAYER_SET_ON_RELEASED_TAP_TOGGLE(layer) ACTION(ACT_LAYER_RELEASED, (layer)<<8 | 0xF0)
#define ACTION_LAYER_BIT_TAP_TOGGLE(layer) ACTION(ACT_LAYER_BIT, (layer)<<8 | 0xF0)
#define ACTION_LAYER_DEFAULT_TAP_TOGGLE ACTION(ACT_LAYER_EXT, 0x0<<8 | 0xF0)
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/* HID Usage */
#define ACTION_USAGE_PAGE_SYSTEM 0
#define ACTION_USAGE_PAGE_CONSUMER 1
#define ACTION_USAGE_SYSTEM(id) ACTION(ACT_USAGE, ACTION_USAGE_PAGE_SYSTEM<<10 | (id))
#define ACTION_USAGE_CONSUMER(id) ACTION(ACT_USAGE, ACTION_USAGE_PAGE_CONSUMER<<10 | (id))
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/* Mousekey */
#define ACTION_MOUSEKEY(key) ACTION(ACT_MOUSEKEY, key)
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/* Macro */
#define ACTION_MACRO(opt, id) ACTION(ACT_FUNCTION, (opt)<<8 | (addr))
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/* Command */
#define ACTION_COMMAND(opt, id) ACTION(ACT_COMMAND, (opt)<<8 | (addr))
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/* Function */
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#define ACTION_FUNCTION(id, opt) ACTION(ACT_FUNCTION, (opt)<<8 | id)
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#define ACTION_FUNCTION_TAP(id) ACTION(ACT_FUNCTION, O_TAP<<8 | id)
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#endif /* ACTION_H */