/*
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 "keyboard.h"
#include "keycode.h"
/* Struct to record event and tap count */
typedef struct {
keyevent_t event;
uint8_t tap_count;
} 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 {
uint8_t code :8;
uint8_t val :4;
uint8_t kind :4;
} layer;
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);
/* user defined special function */
void action_function(keyrecord_t *record, uint8_t id, uint8_t opt);
/*
* 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);
bool is_tap_key(key_t key);
bool waiting_buffer_has_anykey_pressed(void);
/*
* Action codes
* ============
* 16bit code: action_kind(4bit) + action_parameter(12bit)
*
* Keyboard Keys
* -------------
* 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 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
* ----------
* ACT_MOUSEKEY(0110):
* 0101|XXXX| keycode Mouse key
*
*
* Layer Actions
* -------------
* ACT_KEYMAP:
* 1000|--xx|0000 0000 Clear keyamp and overlay
* 1000|LLLL|0000 00xx Reset default layer and clear keymap and overlay
* 1000|LLLL| keycode Invert with tap key
* 1000|LLLL|1111 0000 Invert with tap toggle
* 1000|LLLL|1111 00xx Invert[^= L]
* 1000|LLLL|1111 0100 On/Off
* 1000|LLLL|1111 01xx On[|= L]
* 1000|LLLL|1111 1000 Off/On
* 1000|LLLL|1111 10xx Off[&= ~L]
* 1000|LLLL|1111 1100 Set/Set(0)
* 1000|LLLL|1111 11xx Set[= L]
* default layer: 0-15(4bit)
* xx: On {00:for special use, 01:press, 10:release, 11:both}
*
* ACT_OVERLAY:
* 1011|0000|0000 0000 Clear overlay
* 1011|LLLL|0000 00ss Invert 4-bit chunk [^= L<<(4*ss)]
* 1011|LLLL| keycode Invert with tap key
* 1011|LLLL|1111 0000 Invert with tap toggle
* 1011|LLLL|1111 00xx Invert[^= 1<<L]
* 1011|LLLL|1111 0100 On/Off(momentary)
* 1011|LLLL|1111 01xx On[|= 1<<L]
* 1011|LLLL|1111 1000 Off/On
* 1011|LLLL|1111 10xx Off[&= ~1<<L]
* 1011|LLLL|1111 1100 Set[= 1<<L]/Clear
* 1011|LLLL|1111 11xx Set[= 1<<L]
* overlays: 16-layer on/off status(16bit)
* xx: On {00:for special use, 01:press, 10:release, 11:both}
*
*
* Extensions(11XX)
* ----------------
* NOTE: NOT FIXED
*
* 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_LMODS = 0b0000,
ACT_RMODS = 0b0001,
ACT_LMODS_TAP = 0b0010,
ACT_RMODS_TAP = 0b0011,
ACT_USAGE = 0b0100,
ACT_MOUSEKEY = 0b0101,
ACT_KEYMAP = 0b1000,
ACT_OVERLAY = 0b1001,
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)
/* Layer Operation:
* Invert layer ^= (1<<layer)
* On layer |= (1<<layer)
* Off layer &= ~(1<<layer)
* Set layer = (1<<layer)
* Clear layer = 0
*/
enum layer_params {
ON_PRESS = 1,
ON_RELEASE = 2,
ON_BOTH = 3,
OP_RESET = 0x00,
OP_INV4 = 0x00,
OP_INV = 0xF0,
OP_ON = 0xF4,
OP_OFF = 0xF8,
OP_SET = 0xFC,
};
/*
* Default Layer
*/
#define ACTION_DEFAULT_LAYER ACTION(ACT_KEYMAP, 0<<8 | OP_RESET | 0)
#define ACTION_SET_DEFAULT_LAYER(layer) ACTION_KEYMAP_RESET(layer)
#define ACTION_SET_DEFAULT_LAYER_P(layer) ACTION_KEYMAP_RESET_P(layer)
#define ACTION_SET_DEFAULT_LAYER_R(layer) ACTION_KEYMAP_RESET_R(layer)
#define ACTION_SET_DEFAULT_LAYER_B(layer) ACTION_KEYMAP_RESET_B(layer)
/*
* Keymap Layer
*/
#define ACTION_KEYMAP(layer) ACTION_KEYMAP_MOMENTARY(layer)
#define ACTION_KEYMAP_MOMENTARY(layer) ACTION_KEYMAP_ON_OFF(layer)
#define ACTION_KEYMAP_TOGGLE(layer) ACTION_KEYMAP_INV_R(layer)
/* Keymap Set and clear overaly */
#define ACTION_KEYMAP_RESET(layer) ACTION_KEYMAP_RESET_R(layer)
#define ACTION_KEYMAP_RESET_P(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_RESET | ON_PRESS)
#define ACTION_KEYMAP_RESET_R(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_RESET | ON_RELEASE)
#define ACTION_KEYMAP_RESET_B(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_RESET | ON_BOTH)
/* Keymap Invert */
#define ACTION_KEYMAP_INV(layer) ACTION_KEYMAP_INV_B(layer)
#define ACTION_KEYMAP_TAP_TOGGLE(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_INV | 0)
#define ACTION_KEYMAP_INV_P(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_INV | ON_PRESS)
#define ACTION_KEYMAP_INV_R(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_INV | ON_RELEASE)
#define ACTION_KEYMAP_INV_B(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_INV | ON_BOTH)
/* Keymap On */
#define ACTION_KEYMAP_ON(layer) ACTION_KEYMAP_ON_OFF(layer)
#define ACTION_KEYMAP_ON_OFF(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_ON | 0)
#define ACTION_KEYMAP_ON_P(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_ON | ON_PRESS)
#define ACTION_KEYMAP_ON_R(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_ON | ON_RELEASE)
#define ACTION_KEYMAP_ON_B(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_ON | ON_BOTH)
/* Keymap Off */
#define ACTION_KEYMAP_OFF(layer) ACTION_KEYMAP_OFF_ON(layer)
#define ACTION_KEYMAP_OFF_ON(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_OFF | 0)
#define ACTION_KEYMAP_OFF_P(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_OFF | ON_PRESS)
#define ACTION_KEYMAP_OFF_R(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_OFF | ON_RELEASE)
#define ACTION_KEYMAP_OFF_B(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_OFF | ON_BOTH)
/* Keymap Set */
#define ACTION_KEYMAP_SET(layer) ACTION_KEYMAP_SET_CLEAR(layer)
#define ACTION_KEYMAP_SET_CLEAR(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_SET | 0)
#define ACTION_KEYMAP_SET_P(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_SET | ON_PRESS)
#define ACTION_KEYMAP_SET_R(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_SET | ON_RELEASE)
#define ACTION_KEYMAP_SET_B(layer) ACTION(ACT_KEYMAP, (layer)<<8 | OP_SET | ON_BOTH)
/* Keymap Invert with tap key */
#define ACTION_KEYMAP_TAP_KEY(layer, key) ACTION(ACT_KEYMAP, (layer)<<8 | (key))
/*
* Overlay Layer
*/
#define ACTION_OVERLAY(layer) ACTION_OVERLAY_MOMENTARY(layer)
#define ACTION_OVERLAY_MOMENTARY(layer) ACTION_OVERLAY_ON_OFF(layer)
#define ACTION_OVERLAY_TOGGLE(layer) ACTION_OVERLAY_INV_R(layer)
/* Overlay Clear */
#define ACTION_OVERLAY_CLEAR ACTION(ACT_OVERLAY, 0<<8 | OP_INV4 | 0)
#define ACTION_OVERLAY_CLEAR_P ACTION(ACT_OVERLAY, 0<<8 | OP_INV4 | ON_PRESS)
#define ACTION_OVERLAY_CLEAR_R ACTION(ACT_OVERLAY, 0<<8 | OP_INV4 | ON_RELEASE)
#define ACTION_OVERLAY_CLEAR_B ACTION(ACT_OVERLAY, 0<<8 | OP_INV4 | ON_BOTH)
/* Overlay Invert 4-bit chunk */
#define ACTION_OVERLAY_INV4(bits, shift) ACTION(ACT_OVERLAY, (bits)<<8 | OP_INV4 | shift)
/* Overlay Invert */
#define ACTION_OVERLAY_INV(layer) ACTION_OVERLAY_INV_B(layer)
#define ACTION_OVERLAY_TAP_TOGGLE(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_INV | 0)
#define ACTION_OVERLAY_INV_P(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_INV | ON_PRESS)
#define ACTION_OVERLAY_INV_R(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_INV | ON_RELEASE)
#define ACTION_OVERLAY_INV_B(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_INV | ON_BOTH)
/* Overlay On */
#define ACTION_OVERLAY_ON(layer) ACTION_OVERLAY_ON_OFF(layer)
#define ACTION_OVERLAY_ON_OFF(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_ON | 0)
#define ACTION_OVERLAY_ON_P(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_ON | ON_PRESS)
#define ACTION_OVERLAY_ON_R(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_ON | ON_RELEASE)
#define ACTION_OVERLAY_ON_B(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_ON | ON_BOTH)
/* Overlay Off */
#define ACTION_OVERLAY_OFF(layer) ACTION_OVERLAY_OFF_ON(layer)
#define ACTION_OVERLAY_OFF_ON(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_OFF | 0)
#define ACTION_OVERLAY_OFF_P(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_OFF | ON_PRESS)
#define ACTION_OVERLAY_OFF_R(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_OFF | ON_RELEASE)
#define ACTION_OVERLAY_OFF_B(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_OFF | ON_BOTH)
/* Overlay Set */
#define ACTION_OVERLAY_SET(layer) ACTION_OVERLAY_SET_CLEAR(layer)
#define ACTION_OVERLAY_SET_CLEAR(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_SET | 0)
#define ACTION_OVERLAY_SET_P(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_SET | ON_PRESS)
#define ACTION_OVERLAY_SET_R(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_SET | ON_RELEASE)
#define ACTION_OVERLAY_SET_B(layer) ACTION(ACT_OVERLAY, (layer)<<8 | OP_SET | ON_BOTH)
/* Overlay Invert with tap key */
#define ACTION_OVERLAY_TAP_KEY(layer, key) ACTION(ACT_OVERLAY, (layer)<<8 | (key))
/*
* 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)
/* Macro */
#define ACTION_MACRO(opt, id) ACTION(ACT_FUNCTION, (opt)<<8 | (addr))
/* Command */
#define ACTION_COMMAND(opt, id) ACTION(ACT_COMMAND, (opt)<<8 | (addr))
/* Function */
enum function_opts {
FUNC_TAP = 0x8, /* indciates function is tappable */
};
#define ACTION_FUNCTION(id, opt) ACTION(ACT_FUNCTION, (opt)<<8 | id)
#define ACTION_FUNCTION_TAP(id) ACTION(ACT_FUNCTION, FUNC_TAP<<8 | id)
#endif /* ACTION_H */