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#ifndef ACTION_H
#define ACTION_H
#include "keyboard.h"
/* Key Action(16bit code)
Keyboard Keys
-------------
ACT_LMODS(0000):
0000|0000|000000|00 No action
0000|mods|000000|00 Left mods Momentary
0000|mods|000000|01 Left mods OneShot
0000|mods|000000|10 (reserved)
0000|mods|000000|11 (reserved)
0000|0000| keycode Key
0000|mods| keycode Key+Left mods
ACT_RMODS(0001):
0001|0000|000000|00 No action
0001|mods|000000|00 Right mods Momentary
0001|mods|000000|01 Right mods OneShot
0001|mods|000000|10 (reserved)
0001|mods|000000|11 (reserved)
0001|0000| keycode Key
0001|mods| keycode Key+Right mods
ACT_LMODS_TAP(0010):
0010|mods| keycode Left mods+tap Key
ACT_RMODS_TAP(0011):
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_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
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
1001|LLLL|1111 0000 set layer L when released[tap is ignored/not used]
1010|BBBB|1111 0000 on/off bit B when pressed/released + tap toggle
1011|0000|1111 0000 set default layer when pressed + tap toggle
1011|0001|1111 0000 set default layer when released[tap is ignored/not used]
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
1001|LLLL| keyocde set layer L when released[tap is ignored/not used]
1010|BBBB| keyocde on/off bit B when pressed/released + tap key
1011|0000| keyocde set default layer when pressed + tap key
1011|0001| keyocde set default layer when released[tap is ignored/not used]
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
Macro record(dynamicly)
Macro play(dynamicly)
TODO: modifier + [tap key /w mod]
: layerkey + [tap key /w mod]
for example: LShift + '('[Shift+9] and RShift + ')'[Shift+0]
http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478.html#p90052
*/
enum action_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
};
// TODO: not portable across compiler/endianness?
/*
In avr-gcc bit fields seems to be assigned from LSB(bit0) to MSB(bit15).
AVR looks like a 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 {
uint16_t code :8;
uint16_t opt :4;
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;
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 */
};
typedef struct {
keyevent_t event;
action_t action;
uint8_t mods;
} keyrecord_t;
void action_exec(keyevent_t event);
// TODO: proper names
/* action_t utility */
#define ACTION_NO 0
#define ACTION(kind, param) ((kind)<<12 | (param))
#define MOD_BITS(mods) (((mods)>>4 | (mods)) & 0x0F)
/* 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, MOD_BITS(mods)<<8 | (key))
#define ACTION_RMODS_TAP(mods, key) ACTION(ACT_RMODS_TAP, MOD_BITS(mods)<<8 | (key))
/* Layer Switch */
#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, (layer)<<8 | 0x00)
#define ACTION_LAYER_TO_DEFAULT_ON_PRESSED ACTION(ACT_LAYER_EXT, 0x0<<8 | 0x00)
#define ACTION_LAYER_TO_DEFAULT_ON_RELEASED ACTION(ACT_LAYER_EXT, 0x1<<8 | 0x00)
#define ACTION_LAYER_TAP_TOGGLE(layer) ACTION(ACT_LAYER_PRESSED, (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)
#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)
#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, (layer)<<8 | (key))
#define ACTION_LAYER_DEFAULT_SET_TAP_KEY(key) ACTION(ACT_LAYER_EXT, 0x0<<8 | (key))
/* 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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