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#ifndef ACTION_H
#define ACTION_H
#include "keyboard.h"
/* Key Action(16bit code)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
------------------------------------------------
ACT_LMODS(0000)
0 0 0 0| 0 0 0 0| 0 0 0 0 0 0| 0 0 No action
0 0 0 0| 0 0 0 0| keycode(8) Key
0 0 0 0| mods(4) | 0 0 0 0 0 0| 0 0 Lmods Momentary
0 0 0 0| mods(4) | 0 0 0 0 0 0| 0 1 Lmods OneShot
0 0 0 0| mods(4) | 0 0 0 0 0 0| 1 0 (reserved)
0 0 0 0| mods(4) | 0 0 0 0 0 0| 1 1 (reserved)
0 0 0 0| mods(4) | keycode(8) Key+Lmods
???
0 0 0 0| mods(4) | 1 1 1 1 0| tap(3) Lmods+tap Switch(enable/disable)
0 0 0 0| mods(4) | 1 1 1 1 1| tap(3) Lmods+tap Toggle(on/off)
???
ACT_RMODS(0001)
0 0 0 1| 0 0 0 0| 0 0 0 0 0 0 0 0 No action(not used)
0 0 0 1| 0 0 0 0| keycode(8) Key(not used)
0 0 0 1| mods(4) | 0 0 0 0 0 0| 0 0 Rmods Momentary
0 0 0 1| mods(4) | 0 0 0 0 0 0| 0 1 Rmods OneShot
0 0 0 1| mods(4) | 0 0 0 0 0 0| 1 0 (reserved)
0 0 0 1| mods(4) | 0 0 0 0 0 0| 1 1 (reserved)
0 0 0 1| mods(4) | keycode(8) Key+Rmod
???
0 0 0 1| mods(4) | 1 1 1 1 0| tap(3) Rmods+tap Switch(enable/disable)
0 0 0 1| mods(4) | 1 1 1 1 1| tap(3) Rmods+tap Toggle(on/off)
???
ACT_LMODS_TAP(0010)
0 0 1 0| 0 0 0 0| X X X X X X X X (reserved)[00-FF]
0 0 1 0| mods(4) | 0 0 0 0 0 0| X X (reserved)
0 0 1 0| mods(4) | keycode(8) Lmods+tap Key
0 0 1 0| mods(4) | 1 1 1 1| X X X X (reserved)[F0-FF]
ACT_RMODS_TAP(0011)
0 0 1 1| 0 0 0 0| X X X X X X X X (reserved)[00-FF]
0 0 1 1| mods(4) | 0 0 0 0 0 0| X X (reserved)
0 0 1 1| mods(4) | keycode(8) Rmods+tap Key
0 0 1 1| mods(4) | 1 1 1 1| X X X X (reserved)[F0-FF]
ACT_LAYER(0100)
0 1 0 0| layer(4) | 0 0 0 0 0 0| 0 0 Momentary
0 1 0 0| layer(4) | 0 0 0 0 0 0| 0 1 Oneshot
0 1 0 0| layer(4) | 0 0 0 0 0 0| 1 0 (reserved)
0 1 0 0| layer(4) | 0 0 0 0 0 0| 1 1 (reserved)
0 1 0 0| layer(4) | keycode(8) Fn momentary + tap Key
0 1 0 0| layer(4) | 1 1 1 1 0| tap(3) Fn+tap Switch(enable/disable)
0 1 0 0| layer(4) | 1 1 1 1 1| tap(3) Fn+tap Toggle(on/off)
ACT_USAGE(0101)
0 1 0 1| 0 0| usage(10) System usage
0 1 0 1| 0 1| usage(10) Consumer usage
0 1 0 1| 1 0| usage(10) (reserved)
0 1 0 1| 1 1| usage(10) (reserved)
ACT_MOUSEKEY(0110)
0 1 1 0| X X X X| keycode(8) Mouse key
??? TODO: refactor
0 1 1 0| 0 0 X X| accel(5) |cursor(3) Mouse key
0 1 1 0| 0 1 X X| accel(5) |wheel(3) Mouse key
0 1 1 0| 1 0 X X| button(8) Mouse key
0 1 1 0| 1 1 X X| button(8) Mouse key
???
0 1 1 1| (reserved)
1 0 0 0| (reserved)
1 0 0 1| (reserved)
1 0 1 0| (reserved)
1 0 1 1| (reserved)
1 1 0 0| (reserved)
ACT_MACRO(1100)
1 1 0 0| option(4) | macro-table id(8) Macro play(Flash)
1 1 0 0| option(4) | macro-table id(8) Macro play(EEPROM)
1 1 0 0| 1 1 1 1| macro-table id(8) Macro record
ACT_COMMAND(1110)
1 1 1 0| option(4) | comamnd id(8) Built-in Command exec
ACT_FUNCTION(1111)
1 1 1 1| function address(4K range) Function
Macro record(dynamicly)
Macro play(dynamicly)
*/
enum action_id {
ACT_LMODS = 0,
ACT_RMODS,
ACT_LMOD_TAP,
ACT_RMOD_TAP,
ACT_LAYER,
ACT_USAGE,
ACT_MOUSEKEY,
ACT_MACRO = 14,
ACT_COMMAND = 15,
ACT_FUNCTION = 16
};
// TODO: not portable across compiler/endianness?
/*
In avr-gcc bit fields seems to be assigned from LSB(bit0) to MSB(bit15).
AVR seems like little endian in avr-gcc.
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_key {
uint16_t code :8;
uint16_t layer :4;
uint16_t kind :4;
} layer_key;
struct action_layer_tap {
uint16_t count :3;
uint16_t rest :5;
uint16_t layer :4;
uint16_t kind :4;
} layer_tap;
struct action_usage {
uint16_t code :10;
uint16_t page :2;
uint16_t kind :4;
} usage;
struct action_command {
uint16_t id :8;
uint16_t option :4;
uint16_t kind :4;
} command;
} action_t;
enum stroke_cmd {
STROKE_DOWN,
STROKE_UP,
STROKE_ALLUP, /* release all keys in reverse order */
};
void action_exec(action_t act, keyevent_t event);
/*
void key_action(uint8_t code, keyevent_t event);
void mod_action(uint8_t code, keyevent_t event);
void fn_action(uint8_t code, keyevent_t event);
*/
/* action_t utility */
#define ACTION(kind, param) { .code = ((kind)<<12 | (param)) }
#define NO_ACTION ACTION(0, 0)
#define LAYER_PARAM(layer, key) ((layer)<<8|(key))
/* Key & Mods */
#define ACTION_KEY(key) ACTION(ACT_LMODS, key)
#define ACTION_LMODS(mods) ACTION(ACT_LMODS, (mods)<<8 | 0x00)
#define ACTION_LMODS_KEY(mods, key) ACTION(ACT_LMODS, (mods)<<8 | (key))
#define ACTION_LMODS_ONESHOT(mods) ACTION(ACT_LMODS, (mods)<<8 | 0x01)
#define ACTION_LMODS_SWITCH(mods, tap) ACTION(ACT_LMODS, (mods)<<8 | 0xF0 | (tap))
#define ACTION_LMODS_TOGGLE(mods, tap) ACTION(ACT_LMODS, (mods)<<8 | 0xF1 | (tap))
#define ACTION_RMODS(mods) ACTION(ACT_RMODS, (mods)<<8 | 0x00)
#define ACTION_RMODS_KEY(mods, key) ACTION(ACT_RMODS, (mods)<<8 | (key))
#define ACTION_RMODS_ONESHOT(mods) ACTION(ACT_RMODS, (mods)<<8 | 0x01)
#define ACTION_RMODS_SWITCH(mods, tap) ACTION(ACT_RMODS, (mods)<<8 | 0xF0 | (tap))
#define ACTION_RMODS_TOGGLE(mods, tap) ACTION(ACT_RMODS, (mods)<<8 | 0xF1 | (tap))
/* Mods + Tap key */
#define ACTION_LMODS_TAP(mods, key) ACTION(ACT_LMODS_TAP,(mods)<<8 | (key))
#define ACTION_RMODS_TAP(mods, key) ACTION(ACT_RMODS_TAP,(mods)<<8 | (key))
/* Layer Switch */
#define ACTION_LAYER(layer) ACTION(ACT_LAYER, (layer)<<8 | 0x00)
#define ACTION_LAYER_ONESHOT(layer) ACTION(ACT_LAYER, (layer)<<8 | 0x01)
#define ACTION_LAYER_KEY(layer, key) ACTION(ACT_LAYER, (layer)<<8 | (key))
#define ACTION_LAYER_SWITCH(layer, tap) ACTION(ACT_LAYER, (layer)<<8 | 0xF0 | (tap))
#define ACTION_LAYER_TOGGLE(layer, tap) ACTION(ACT_LAYER, (layer)<<8 | 0xF1 | (tap))
/* 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))
/* 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 */
#define ACTION_FUNCTION(addr) ACTION(ACT_FUNCTION, addr)
/* helpers for readability */
#define LAYER(layer) (layer)
#define TAP(tap) (tap)
#define DOUBLE_TAP 2
#define TRIPLE_TAP 3
#define QUADRUPLE_TAP 4
#define QUINTUPLE_TAP 5
#define DOWN(key) (key)
#define UP(key) STROKE_UP, (key)
#endif /* ACTION_H */
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