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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/>.
*/
#ifndef ACTION_H
#define ACTION_H
#include <stdint.h>
#include <stdbool.h>
#include "keyboard.h"
#include "keycode.h"
#include "action_macro.h"
typedef struct {
keyevent_t event;
#ifndef NO_ACTION_TAPPING
/* tapping count and state */
struct {
bool interrupted :1;
bool reserved2 :1;
bool reserved1 :1;
bool reserved0 :1;
uint8_t count :4;
} tap;
#endif
} keyrecord_t;
/* 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.
*
* NOTE: not portable across compiler/endianness?
* 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;
uint8_t id :4;
} kind;
struct action_key {
uint8_t code :8;
uint8_t mods :4;
uint8_t kind :4;
} key;
struct action_layer_bitop {
uint8_t bits :4;
uint8_t xbit :1;
uint8_t part :3;
uint8_t on :2;
uint8_t op :2;
uint8_t kind :4;
} layer_bitop;
struct action_layer_tap {
uint8_t code :8;
uint8_t val :5;
uint8_t kind :3;
} layer_tap;
struct action_usage {
uint16_t code :10;
uint8_t page :2;
uint8_t kind :4;
} usage;
struct action_command {
uint8_t id :8;
uint8_t opt :4;
uint8_t kind :4;
} command;
struct action_function {
uint8_t id :8;
uint8_t opt :4;
uint8_t kind :4;
} func;
} action_t;
/* Execute action per keyevent */
void action_exec(keyevent_t event);
/* action for key */
action_t action_for_key(uint8_t layer, key_t key);
/* macro */
const prog_macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt);
/* user defined special function */
void action_function(keyrecord_t *record, uint8_t id, uint8_t opt);
/* Utilities for actions. */
void process_action(keyrecord_t *record);
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);
bool is_tap_key(key_t key);
/* debug */
void debug_event(keyevent_t event);
void debug_record(keyrecord_t record);
void debug_action(action_t action);
/*
* Action codes
* ============
* 16bit code: action_kind(4bit) + action_parameter(12bit)
*
* Keyboard Keys(00XX)
* -------------------
* ACT_LMODS(0000):
* 0000|0000|000000|00 No action
* 0000|0000|000000|01 Transparent
* 0000|0000| keycode Key
* 0000|mods|000000|00 Left mods
* 0000|mods| keycode Key & Left mods
*
* ACT_RMODS(0001):
* 0001|0000|000000|00 No action(not used)
* 0001|0000|000000|01 Transparent(not used)
* 0001|0000| keycode Key(no used)
* 0001|mods|000000|00 Right mods
* 0001|mods| keycode Key & Right mods
*
* ACT_LMODS_TAP(0010):
* 0010|mods|000000|00 Left mods OneShot
* 0010|mods|000000|01 (reserved)
* 0010|mods|000000|10 (reserved)
* 0010|mods|000000|11 (reserved)
* 0010|mods| keycode Left mods + tap Key
*
* ACT_RMODS_TAP(0011):
* 0011|mods|000000|00 Right mods OneShot
* 0011|mods|000000|01 (reserved)
* 0011|mods|000000|10 (reserved)
* 0011|mods|000000|11 (reserved)
* 0011|mods| keycode Right mods + tap Key
*
*
* Other keys(01XX)
* --------------------
* 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)
*
* ACT_MOUSEKEY(0110):
* 0101|XXXX| keycode Mouse key
*
*
* Layer Actions(10XX)
* -------------------
* ACT_LAYER:
* 1000|oo00|pppx BBBB Default Layer Bitwise operation
* oo: operation(00:AND, 01:OR, 10:XOR, 11:SET)
* ppp: 4-bit chunk part(0-7)
* xBBBB: bits and extra bit
* 1000|ooee|pppx BBBB Layer Bitwise Operation
* oo: operation(00:AND, 01:OR, 10:XOR, 11:SET)
* ppp: 4-bit chunk part(0-7)
* xBBBB: bits and extra bit
* ee: on event(00:default layer, 01:press, 10:release, 11:both)
*
* ACT_LAYER_TAP:
* 101x|LLLL| keycode Invert with tap key
* 101x|LLLL|1110 xxxx Reserved(0xE0-EF)
* 101x|LLLL|1111 0000 Invert with tap toggle(0xF0)
* 101x|LLLL|1111 0001 On Off
* 101x|LLLL|1111 0010 Off On
* 101x|LLLL|1111 0011 Set Clear
* 101x|LLLL|1111 xxxx Reserved(0xF4-FF)
* xLLLL: layer(0-31)
*
*
*
*
*
* Extensions(11XX)
* ----------------
* ACT_MACRO(1100):
* 1100|opt | id(8) Macro play?
* 1100|1111| id(8) Macro record?
*
* ACT_COMMAND(1110):
* 1110|opt | id(8) Built-in Command exec
*
* ACT_FUNCTION(1111):
* 1111| address(12) Function?
* 1111|opt | id(8) Function?
*
*/
enum action_kind_id {
ACT_MODS = 0b0000,
ACT_LMODS = 0b0000,
ACT_RMODS = 0b0001,
ACT_MODS_TAP = 0b0010,
ACT_LMODS_TAP = 0b0010,
ACT_RMODS_TAP = 0b0011,
ACT_USAGE = 0b0100,
ACT_MOUSEKEY = 0b0101,
ACT_LAYER = 0b1000,
ACT_LAYER_TAP = 0b1010,
ACT_LAYER_TAP1 = 0b1011,
ACT_MACRO = 0b1100,
ACT_COMMAND = 0b1110,
ACT_FUNCTION = 0b1111
};
/* action utility */
#define ACTION_NO 0
#define ACTION_TRANSPARENT 1
#define ACTION(kind, param) ((kind)<<12 | (param))
#define MODS4(mods) (((mods)>>4 | (mods)) & 0x0F)
/*
* Key
*/
#define ACTION_KEY(key) ACTION(ACT_LMODS, key)
/* Mods & key */
#define ACTION_LMODS(mods) ACTION(ACT_LMODS, MODS4(mods)<<8 | 0x00)
#define ACTION_LMODS_KEY(mods, key) ACTION(ACT_LMODS, MODS4(mods)<<8 | (key))
#define ACTION_RMODS(mods) ACTION(ACT_RMODS, MODS4(mods)<<8 | 0x00)
#define ACTION_RMODS_KEY(mods, key) ACTION(ACT_RMODS, MODS4(mods)<<8 | (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))
/* Tap key */
enum mods_codes {
MODS_ONESHOT = 0x00,
};
#define ACTION_LMODS_TAP_KEY(mods, key) ACTION(ACT_LMODS_TAP, MODS4(mods)<<8 | (key))
#define ACTION_LMODS_ONESHOT(mods) ACTION(ACT_LMODS_TAP, MODS4(mods)<<8 | MODS_ONESHOT)
#define ACTION_RMODS_TAP_KEY(mods, key) ACTION(ACT_RMODS_TAP, MODS4(mods)<<8 | (key))
#define ACTION_RMODS_ONESHOT(mods) ACTION(ACT_RMODS_TAP, MODS4(mods)<<8 | MODS_ONESHOT)
#define ACTION_LMOD_TAP_KEY(mod, key) ACTION(ACT_LMODS_TAP, MODS4(MOD_BIT(mod))<<8 | (key))
#define ACTION_LMOD_ONESHOT(mod) ACTION(ACT_LMODS_TAP, MODS4(MOD_BIT(mod))<<8 | MODS_ONESHOT)
#define ACTION_RMOD_TAP_KEY(mod, key) ACTION(ACT_RMODS_TAP, MODS4(MOD_BIT(mod))<<8 | (key))
#define ACTION_RMOD_ONESHOT(mod) ACTION(ACT_RMODS_TAP, MODS4(MOD_BIT(mod))<<8 | MODS_ONESHOT)
/* HID Usage */
enum usage_pages {
PAGE_SYSTEM,
PAGE_CONSUMER
};
#define ACTION_USAGE_SYSTEM(id) ACTION(ACT_USAGE, PAGE_SYSTEM<<10 | (id))
#define ACTION_USAGE_CONSUMER(id) ACTION(ACT_USAGE, PAGE_CONSUMER<<10 | (id))
/* Mousekey */
#define ACTION_MOUSEKEY(key) ACTION(ACT_MOUSEKEY, key)
/* Layer Actions */
enum layer_param_on {
ON_PRESS = 1,
ON_RELEASE = 2,
ON_BOTH = 3,
};
enum layer_param_op {
OP_DEFAULT_LAYER = 0,
};
enum layer_param_bit_op {
OP_BIT_AND = 0,
OP_BIT_OR,
OP_BIT_XOR,
OP_BIT_SET,
};
enum layer_pram_tap_op {
OP_TAP_TOGGLE = 0xF0,
OP_ON_OFF,
OP_OFF_ON,
OP_SET_CLEAR,
};
/* Layer Operation 1000|ee00|ooov vvvv */
#define ACTION_LAYER(op, val, on) (ACT_LAYER<<12 | (on)<<10 | (op)<<5 | val)
/* Layer Bitwise Operation 1000|ooee|pppx BBBB */
#define ACTION_LAYER_BITOP(op, part, bits, on) (ACT_LAYER<<12 | (op)<<10 | (on)<<8 | (part)<<5 | (bits)&0x1f)
/* Layer with Tapping 101x|LLLL| keycode */
#define ACTION_LAYER_TAP(layer, key) (ACT_LAYER_TAP<<12 | (layer)<<8 | (key))
/* Default Layer Operation */
#define ACTION_DEFAULT_LAYER_SET(layer) ACTION_DEFAULT_LAYER(layer, ON_RELEASE)
#define ACTION_DEFAULT_LAYER(layer, on) ACTION_LAYER(OP_DEFAULT_LAYER, layer, on)
/* Layer Operation */
#define ACTION_LAYER_CLEAR(on) ACTION_LAYER_AND(0x1f, (on))
#define ACTION_LAYER_MOMENTARY(layer) ACTION_LAYER_ON_OFF(layer)
#define ACTION_LAYER_TOGGLE(layer) ACTION_LAYER_INVERT(layer, ON_RELEASE)
#define ACTION_LAYER_INVERT(layer, on) ACTION_LAYER_BIT_XOR((layer)/4, 1<<((layer)%4), (on))
#define ACTION_LAYER_ON(layer, on) ACTION_LAYER_BIT_OR((layer)/4, 1<<((layer)%4), (on))
#define ACTION_LAYER_OFF(layer, on) ACTION_LAYER_BIT_AND((layer)/4, ~(1<<((layer)%4)), (on))
#define ACTION_LAYER_SET(layer, on) ACTION_LAYER_BIT_SET((layer)/4, 1<<((layer)%4), (on))
#define ACTION_LAYER_ON_OFF(layer) ACTION_LAYER_TAP((layer), OP_ON_OFF)
#define ACTION_LAYER_OFF_ON(layer) ACTION_LAYER_TAP((layer), OP_OFF_ON)
#define ACTION_LAYER_SET_CLEAR(layer) ACTION_LAYER_TAP((layer), OP_SET_CLEAR)
/* Bitwise Operation */
#define ACTION_LAYER_BIT_AND(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_AND, part, bits)
#define ACTION_LAYER_BIT_OR(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_OR, part, bits)
#define ACTION_LAYER_BIT_XOR(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_XOR, part, bits)
#define ACTION_LAYER_BIT_SET(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_SET, part, bits)
/* with Tapping */
#define ACTION_LAYER_TAP_KEY(layer, key) ACTION_LAYER_TAP((layer), (key))
#define ACTION_LAYER_TAP_TOGGLE(layer) ACTION_LAYER_TAP((layer), OP_TAP_TOGGLE)
/*
* Extensions
*/
/* Macro */
#define ACTION_MACRO(id) ACTION(ACT_MACRO, (id))
#define ACTION_MACRO_TAP(id) ACTION(ACT_MACRO, FUNC_TAP<<8 | (id))
#define ACTION_MACRO_OPT(id, opt) ACTION(ACT_MACRO, (opt)<<8 | (id))
/* Command */
#define ACTION_COMMAND(id, opt) ACTION(ACT_COMMAND, (opt)<<8 | (addr))
/* Function */
enum function_opts {
FUNC_TAP = 0x8, /* indciates function is tappable */
};
#define ACTION_FUNCTION(id) ACTION(ACT_FUNCTION, (id))
#define ACTION_FUNCTION_TAP(id) ACTION(ACT_FUNCTION, FUNC_TAP<<8 | (id))
#define ACTION_FUNCTION_OPT(id, opt) ACTION(ACT_FUNCTION, (opt)<<8 | (id))
#endif /* ACTION_H */
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