common/action.h

   1 #ifndef ACTION_H
   2 #define ACTION_H
   3
   4 #include "keyboard.h"
   5
   6
   7 /* Key Action(16bit code)
   8  15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0
   9 ------------------------------------------------
  10 ACT_LMODS(0000)
  11   0  0  0  0| 0  0  0  0| 0  0  0  0  0  0| 0  0    No action
  12   0  0  0  0| 0  0  0  0|     keycode(8)            Key
  13   0  0  0  0|  mods(4)  | 0  0  0  0  0  0| 0  0    Lmods Momentary
  14   0  0  0  0|  mods(4)  | 0  0  0  0  0  0| 0  1    Lmods OneShot
  15   0  0  0  0|  mods(4)  | 0  0  0  0  0  0| 1  0    (reserved)
  16   0  0  0  0|  mods(4)  | 0  0  0  0  0  0| 1  1    (reserved)
  17   0  0  0  0|  mods(4)  |     keycode(8)            Key+Lmods
  18 ???
  19   0  0  0  0|  mods(4)  | 1  1  1  1  0| tap(3)     Lmods+tap Switch(enable/disable)
  20   0  0  0  0|  mods(4)  | 1  1  1  1  1| tap(3)     Lmods+tap Toggle(on/off)
  21 ???
  22
  23 ACT_RMODS(0001)
  24   0  0  0  1| 0  0  0  0| 0  0  0  0  0  0  0  0    No action(not used)
  25   0  0  0  1| 0  0  0  0|     keycode(8)            Key(not used)
  26   0  0  0  1|  mods(4)  | 0  0  0  0  0  0| 0  0    Rmods Momentary
  27   0  0  0  1|  mods(4)  | 0  0  0  0  0  0| 0  1    Rmods OneShot
  28   0  0  0  1|  mods(4)  | 0  0  0  0  0  0| 1  0    (reserved)
  29   0  0  0  1|  mods(4)  | 0  0  0  0  0  0| 1  1    (reserved)
  30   0  0  0  1|  mods(4)  |     keycode(8)            Key+Rmod
  31 ???
  32   0  0  0  1|  mods(4)  | 1  1  1  1  0| tap(3)     Rmods+tap Switch(enable/disable)
  33   0  0  0  1|  mods(4)  | 1  1  1  1  1| tap(3)     Rmods+tap Toggle(on/off)
  34 ???
  35
  36 ACT_LMODS_TAP(0010)
  37   0  0  1  0| 0  0  0  0| X  X  X  X  X  X  X  X    (reserved)[00-FF]
  38   0  0  1  0|  mods(4)  | 0  0  0  0  0  0| X  X    (reserved)
  39   0  0  1  0|  mods(4)  |     keycode(8)            Lmods+tap Key
  40   0  0  1  0|  mods(4)  | 1  1  1  1| X  X  X  X    (reserved)[F0-FF]
  41
  42 ACT_RMODS_TAP(0011)
  43   0  0  1  1| 0  0  0  0| X  X  X  X  X  X  X  X    (reserved)[00-FF]
  44   0  0  1  1|  mods(4)  | 0  0  0  0  0  0| X  X    (reserved)
  45   0  0  1  1|  mods(4)  |     keycode(8)            Rmods+tap Key
  46   0  0  1  1|  mods(4)  | 1  1  1  1| X  X  X  X    (reserved)[F0-FF]
  47
  48 ACT_LAYER(0100)
  49   0  1  0  0|  layer(4) | 0  0  0  0  0  0| 0  0    Momentary
  50   0  1  0  0|  layer(4) | 0  0  0  0  0  0| 0  1    Oneshot
  51   0  1  0  0|  layer(4) | 0  0  0  0  0  0| 1  0    (reserved)
  52   0  1  0  0|  layer(4) | 0  0  0  0  0  0| 1  1    (reserved)
  53   0  1  0  0|  layer(4) |     keycode(8)            Fn momentary + tap Key
  54   0  1  0  0|  layer(4) | 1  1  1  1  0| tap(3)     Fn+tap Switch(enable/disable)
  55   0  1  0  0|  layer(4) | 1  1  1  1  1| tap(3)     Fn+tap Toggle(on/off)
  56
  57 ACT_USAGE(0101)
  58   0  1  0  1| 0  0|         usage(10)               System usage
  59   0  1  0  1| 0  1|         usage(10)               Consumer usage
  60   0  1  0  1| 1  0|         usage(10)               (reserved)
  61   0  1  0  1| 1  1|         usage(10)               (reserved)
  62
  63 ACT_MOUSEKEY(0110)
  64   0  1  1  0| X  X  X  X|        keycode(8)         Mouse key
  65 ??? TODO: refactor
  66   0  1  1  0| 0  0  X  X|  accel(5)    |cursor(3)   Mouse key
  67   0  1  1  0| 0  1  X  X|  accel(5)    |wheel(3)    Mouse key
  68   0  1  1  0| 1  0  X  X|        button(8)          Mouse key
  69   0  1  1  0| 1  1  X  X|        button(8)          Mouse key
  70 ???
  71
  72   0  1  1  1|                                       (reserved)
  73   1  0  0  0|                                       (reserved)
  74   1  0  0  1|                                       (reserved)
  75   1  0  1  0|                                       (reserved)
  76   1  0  1  1|                                       (reserved)
  77   1  1  0  0|                                       (reserved)
  78
  79 ACT_MACRO(1100)
  80   1  1  0  0| option(4) |     macro-table id(8)     Macro play(Flash)
  81   1  1  0  0| option(4) |     macro-table id(8)     Macro play(EEPROM)
  82   1  1  0  0| 1  1  1  1|     macro-table id(8)     Macro record
  83
  84 ACT_COMMAND(1110)
  85   1  1  1  0| option(4) |     comamnd id(8)         Built-in Command exec
  86
  87 ACT_FUNCTION(1111)
  88   1  1  1  1|   function address(4K range)          Function
  89                                                     Macro record(dynamicly)
  90                                                     Macro play(dynamicly)
  91 */
  92
  93 enum action_id {
  94     ACT_LMODS = 0,
  95     ACT_RMODS,
  96     ACT_LMOD_TAP,
  97     ACT_RMOD_TAP,
  98     ACT_LAYER,
  99     ACT_USAGE,
 100     ACT_MOUSEKEY,
 101     ACT_MACRO = 14,
 102     ACT_COMMAND = 15,
 103     ACT_FUNCTION = 16
 104 };
 105
 106 // TODO: not portable across compiler/endianness?
 107 /*
 108 In avr-gcc bit fields seems to be assigned from LSB(bit0) to MSB(bit15).
 109 AVR seems like little endian in avr-gcc.
 110
 111 Byte order and bit order of 0x1234:
 112 Big endian:     15 ...  8 7 ... 210
 113                |  0x12   |  0x34   |
 114                 0001 0010 0011 0100
 115 Little endian:  012 ... 7  8 ... 15
 116                |  0x34   |  0x12   |
 117                 0010 1100 0100 1000
 118 */
 119 typedef union {
 120     uint16_t code;
 121     struct action_kind {
 122         uint16_t param  :12;
 123         uint16_t id     :4;
 124     } kind;
 125     struct action_key {
 126         uint16_t code   :8;
 127         uint16_t mods   :4;
 128         uint16_t kind   :4;
 129     } key;
 130     struct action_layer_key {
 131         uint16_t code   :8;
 132         uint16_t layer  :4;
 133         uint16_t kind   :4;
 134     } layer_key;
 135     struct action_layer_tap {
 136         uint16_t count  :3;
 137         uint16_t rest   :5;
 138         uint16_t layer  :4;
 139         uint16_t kind   :4;
 140     } layer_tap;
 141     struct action_usage {
 142         uint16_t code   :10;
 143         uint16_t page   :2;
 144         uint16_t kind   :4;
 145     } usage;
 146     struct action_command {
 147         uint16_t id     :8;
 148         uint16_t option :4;
 149         uint16_t kind   :4;
 150     } command;
 151 } action_t;
 152
 153
 154 enum stroke_cmd {
 155     STROKE_DOWN,
 156     STROKE_UP,
 157     STROKE_ALLUP, /* release all keys in reverse order */
 158 };
 159
 160 void action_exec(action_t act, keyevent_t event);
 161 /*
 162 void key_action(uint8_t code, keyevent_t event);
 163 void mod_action(uint8_t code, keyevent_t event);
 164 void fn_action(uint8_t code, keyevent_t event);
 165 */
 166
 167
 168 /* action_t utility */
 169 #define ACTION(kind, param)             { .code = ((kind)<<12 | (param)) }
 170 #define NO_ACTION                       ACTION(0, 0)
 171 #define LAYER_PARAM(layer, key)         ((layer)<<8|(key))
 172
 173 /* Key & Mods */
 174 #define ACTION_KEY(key)                 ACTION(ACT_LMODS,    key)
 175 #define ACTION_LMODS(mods)              ACTION(ACT_LMODS,    (mods)<<8 | 0x00)
 176 #define ACTION_LMODS_KEY(mods, key)     ACTION(ACT_LMODS,    (mods)<<8 | (key))
 177 #define ACTION_LMODS_ONESHOT(mods)      ACTION(ACT_LMODS,    (mods)<<8 | 0x01)
 178 #define ACTION_LMODS_SWITCH(mods, tap)  ACTION(ACT_LMODS,    (mods)<<8 | 0xF0 | (tap))
 179 #define ACTION_LMODS_TOGGLE(mods, tap)  ACTION(ACT_LMODS,    (mods)<<8 | 0xF1 | (tap))
 180 #define ACTION_RMODS(mods)              ACTION(ACT_RMODS,    (mods)<<8 | 0x00)
 181 #define ACTION_RMODS_KEY(mods, key)     ACTION(ACT_RMODS,    (mods)<<8 | (key))
 182 #define ACTION_RMODS_ONESHOT(mods)      ACTION(ACT_RMODS,    (mods)<<8 | 0x01)
 183 #define ACTION_RMODS_SWITCH(mods, tap)  ACTION(ACT_RMODS,    (mods)<<8 | 0xF0 | (tap))
 184 #define ACTION_RMODS_TOGGLE(mods, tap)  ACTION(ACT_RMODS,    (mods)<<8 | 0xF1 | (tap))
 185 /* Mods + Tap key */
 186 #define ACTION_LMODS_TAP(mods, key)     ACTION(ACT_LMODS_TAP,(mods)<<8 | (key))
 187 #define ACTION_RMODS_TAP(mods, key)     ACTION(ACT_RMODS_TAP,(mods)<<8 | (key))
 188 /* Layer Switch */
 189 #define ACTION_LAYER(layer)             ACTION(ACT_LAYER,    (layer)<<8 | 0x00)
 190 #define ACTION_LAYER_ONESHOT(layer)     ACTION(ACT_LAYER,    (layer)<<8 | 0x01)
 191 #define ACTION_LAYER_KEY(layer, key)    ACTION(ACT_LAYER,    (layer)<<8 | (key))
 192 #define ACTION_LAYER_SWITCH(layer, tap) ACTION(ACT_LAYER,    (layer)<<8 | 0xF0 | (tap))
 193 #define ACTION_LAYER_TOGGLE(layer, tap) ACTION(ACT_LAYER,    (layer)<<8 | 0xF1 | (tap))
 194 /* HID Usage */
 195 #define ACTION_USAGE_PAGE_SYSTEM        0
 196 #define ACTION_USAGE_PAGE_CONSUMER      1
 197 #define ACTION_USAGE_SYSTEM(id)         ACTION(ACT_USAGE,    ACTION_USAGE_PAGE_SYSTEM<<10 | (id))
 198 #define ACTION_USAGE_CONSUMER(id)       ACTION(ACT_USAGE,    ACTION_USAGE_PAGE_CONSUMER<<10 | (id))
 199 /* Mousekey */
 200 #define ACTION_MOUSEKEY(key)            ACTION(ACT_MOUSEKEY, key)
 201 /* Macro */
 202 #define ACTION_MACRO(opt, id)           ACTION(ACT_FUNCTION, (opt)<<8 | (addr))
 203 /* Command */
 204 #define ACTION_COMMAND(opt, id)         ACTION(ACT_COMMAND,  (opt)<<8 | (addr))
 205 /* Function */
 206 #define ACTION_FUNCTION(addr)           ACTION(ACT_FUNCTION, addr)
 207
 208
 209 /* helpers for readability */
 210 #define LAYER(layer)    (layer)
 211 #define TAP(tap)        (tap)
 212 #define DOUBLE_TAP      2
 213 #define TRIPLE_TAP      3
 214 #define QUADRUPLE_TAP   4
 215 #define QUINTUPLE_TAP   5
 216 #define DOWN(key)       (key)
 217 #define UP(key)         STROKE_UP, (key)
 218
 219 #endif  /* ACTION_H */