+/*
+Copyright 2011 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/>.
+*/
+
/*
- * keymap for HHKB pro
+ * Keymap for PFU HHKB Pro
*/
+#include <stdint.h>
#include <stdbool.h>
#include <avr/pgmspace.h>
-#include "matrix.h"
+#include "host.h"
+#include "usb_keycodes.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
#include "keymap.h"
-#include "usb_keyboard.h"
-int current_layer = 0;
-bool key_sent = false;
-/*
- * Layer0(Default Layer)
- * ,-----------------------------------------------------------.
- * |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| \| `|
- * |-----------------------------------------------------------|
- * |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]|Backs|
- * |-----------------------------------------------------------|
- * |Contro| A| S| D| F| G| H| J| K| L| ;| '|Return |
- * |-----------------------------------------------------------|
- * |Shift | Z| X| C| V| B| N| M| ,| .| /|Fn2 |Fn1|
- * `-----------------------------------------------------------'
- * |Gui|Alt |Space |Fn3 |Gui|
- * `-------------------------------------------'
- *
- * Layer1(Fn) HHKB mode
- * ,-----------------------------------------------------------.
- * |Pow| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
- * |-----------------------------------------------------------|
- * |Caps | | | | | | | |Psc|Slk|Pus|Up | |Backs|
- * |-----------------------------------------------------------|
- * |Contro|VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig|Enter |
- * |-----------------------------------------------------------|
- * |Shift | | | | | | +| -|End|PgD|Dow|Shift |xxx|
- * `-----------------------------------------------------------'
- * |Gui |Alt |Space |Alt |Gui|
- * `--------------------------------------------'
- *
- * Layer3(RALT) vi mode
- * ,-----------------------------------------------------------.
- * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
- * |-----------------------------------------------------------|
- * |Tab | | | | | |Hom|PgD|PgUlEnd| | | |Backs|
- * |-----------------------------------------------------------|
- * |Contro| | | | | |Lef|Dow|Up |Rig| | |Return |
- * |-----------------------------------------------------------|
- * |Shift | | | | | |McL|McD|McU|McR|Mb1|Mb2 | |
- * `-----------------------------------------------------------'
- * |Gui|Alt |Sapce |xxxxx|Mb3|
- * `-------------------------------------------'
- *
- * Layer4(semicolon) mouse mode
- * ,-----------------------------------------------------------.
- * |Esc| | | | | | | | | | | | | | |
- * |-----------------------------------------------------------|
- * |Tab | | | | | |MwL|MwD|MwU|MwR| | | |Backs|
- * |-----------------------------------------------------------|
- * |Contro| | | | | |McL|McD|McU|McR|xxx| |Return |
- * |-----------------------------------------------------------|
- * |Shift | | | | | | |Mb1|Mb2|Mb3| |Shift | |
- * `-----------------------------------------------------------'
- * |Gui |Alt |Mb1 |Alt |Gui|
- * `--------------------------------------------'
- *
- * Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
- */
+// Convert physical keyboard layout to matrix array.
+// This is a macro to define keymap easily in keyboard layout form.
+#define KEYMAP( \
+ K31, K30, K00, K10, K11, K20, K21, K40, K41, K60, K61, K70, K71, K50, K51, \
+ K32, K01, K02, K13, K12, K23, K22, K42, K43, K62, K63, K73, K72, K52, \
+ K33, K04, K03, K14, K15, K24, K25, K45, K44, K65, K64, K74, K53, \
+ K34, K05, K06, K07, K16, K17, K26, K46, K66, K76, K75, K55, K54, \
+ K35, K36, K37, K57, K56 \
+) \
+{ \
+ { KB_##K00, KB_##K01, KB_##K02, KB_##K03, KB_##K04, KB_##K05, KB_##K06, KB_##K07 }, \
+ { KB_##K10, KB_##K11, KB_##K12, KB_##K13, KB_##K14, KB_##K15, KB_##K16, KB_##K17 }, \
+ { KB_##K20, KB_##K21, KB_##K22, KB_##K23, KB_##K24, KB_##K25, KB_##K26, KB_NO }, \
+ { KB_##K30, KB_##K31, KB_##K32, KB_##K33, KB_##K34, KB_##K35, KB_##K36, KB_##K37 }, \
+ { KB_##K40, KB_##K41, KB_##K42, KB_##K43, KB_##K44, KB_##K45, KB_##K46, KB_NO }, \
+ { KB_##K50, KB_##K51, KB_##K52, KB_##K53, KB_##K54, KB_##K55, KB_##K56, KB_##K57 }, \
+ { KB_##K60, KB_##K61, KB_##K62, KB_##K63, KB_##K64, KB_##K65, KB_##K66, KB_NO }, \
+ { KB_##K70, KB_##K71, KB_##K72, KB_##K73, KB_##K74, KB_##K75, KB_##K76, KB_NO } \
+}
+
+#define KEYCODE(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))
+
-/* keycode sent when Fn key released without using layer keys. */
-static const uint8_t PROGMEM FnKey[] = {
- KB_NO, // this must be KB_NO. (not used)
- KB_NO, // FN_1
- KB_RALT, // FN_2
- KB_SCOLON, // FN_3
+// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed.
+static const uint8_t PROGMEM fn_layer[] = {
+ 0, // Fn0
+ 1, // Fn1
+ 2, // Fn2
+ 3, // Fn3
+ 3, // Fn4
+ 4, // Fn5
+ 0, // Fn6
+ 0 // Fn7
};
-static const uint8_t PROGMEM Keymap[][MATRIX_ROWS][MATRIX_COLS] = {
-/* plain keymap
- {
- { KB_2, KB_Q, KB_W, KB_S, KB_A, KB_Z, KB_X, KB_C },
- { KB_3, KB_4, KB_R, KB_E, KB_D, KB_F, KB_V, KB_B },
- { KB_5, KB_6, KB_Y, KB_T, KB_G, KB_H, KB_N, KB_NO },
- { KB_1, KB_ESCAPE, KB_TAB, KB_LCTRL, KB_LSHIFT, KB_LGUI, KB_LALT, KB_SPACE },
- { KB_7, KB_8, KB_U, KB_I, KB_K, KB_J, KB_M, KB_NO },
- { KB_BSLASH, KB_GRAVE, KB_BSPACE, KB_ENTER, FN_1, KB_RSHIFT, KB_RGUI, KB_RALT },
- { KB_9, KB_0, KB_O, KB_P, KB_SCOLON, KB_L, KB_COMMA, KB_NO },
- { KB_MINUS, KB_EQUAL, KB_RBRACKET,KB_LBRACKET,KB_QUOTE, KB_SLASH, KB_DOT, KB_NO },
- },
+// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer.
+// See layer.c for details.
+static const uint8_t PROGMEM fn_keycode[] = {
+ KB_NO, // Fn0
+ KB_NO, // Fn1
+ KB_SLSH, // Fn2
+ KB_SCLN, // Fn3
+ KB_NO, // Fn4
+ KB_SPC, // Fn5
+ KB_NO, // Fn6
+ KB_NO // Fn7
+};
+
+static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* Layer 0: Default Layer
+ * ,-----------------------------------------------------------.
+ * |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| \| `|
+ * |-----------------------------------------------------------|
+ * |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]|Backs|
+ * |-----------------------------------------------------------|
+ * |Contro| A| S| D| F| G| H| J| K| L|Fn3| '|Return |
+ * |-----------------------------------------------------------|
+ * |Shift | Z| X| C| V| B| N| M| ,| .|Fn2|Shift |Fn1|
+ * `-----------------------------------------------------------'
+ * |Gui|Alt |Fn5 |Alt |Fn4|
+ * `-------------------------------------------'
+ */
+ KEYMAP(ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSLS,GRV, \
+ TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSPC, \
+ LCTL,A, S, D, F, G, H, J, K, L, FN3, QUOT,ENT, \
+ LSFT,Z, X, C, V, B, N, M, COMM,DOT, FN2, RSFT,FN1, \
+ LGUI,LALT, FN5, RALT,FN4),
+
+ /* Layer 1: HHKB mode (HHKB Fn)
+ * ,-----------------------------------------------------------.
+ * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
+ * |-----------------------------------------------------------|
+ * |Caps | | | | | | | |Psc|Slk|Pus|Up | |Backs|
+ * |-----------------------------------------------------------|
+ * |Contro|VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig|Enter |
+ * |-----------------------------------------------------------|
+ * |Shift | | | | | | +| -|End|PgD|Dow|Shift |xxx|
+ * `-----------------------------------------------------------'
+ * |Gui |Alt |Space |Alt |xxx|
+ * `--------------------------------------------'
+ */
+ KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ CAPS,NO, NO, NO, NO, NO, NO, NO, PSCR,SLCK,BRK, UP, NO, BSPC, \
+ LCTL,VOLD,VOLU,MUTE,NO, NO, PAST,PSLS,HOME,PGUP,LEFT,RGHT,ENT, \
+ LSFT,NO, NO, NO, NO, NO, PPLS,PMNS,END, PGDN,DOWN,RSFT,FN1, \
+ LGUI,LALT, SPC, RALT,FN7),
+
+ /* Layer 2: Vi mode (Slash)
+ * ,-----------------------------------------------------------.
+ * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
+ * |-----------------------------------------------------------|
+ * |Tab |Hom|PgD|Up |PgU|End|Hom|PgD|PgUlEnd| | | |Backs|
+ * |-----------------------------------------------------------|
+ * |Contro| |Lef|Dow|Rig| |Lef|Dow|Up |Rig| | |Return |
+ * |-----------------------------------------------------------|
+ * |Shift | | | | | |Hom|PgD|PgUlEnd|xxx|Shift | |
+ * `-----------------------------------------------------------'
+ * |Gui|Alt |Space |Alt |Gui|
+ * `-------------------------------------------'
+ */
+ KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ TAB, HOME,PGDN,UP, PGUP,END, HOME,PGDN,PGUP,END, NO, NO, NO, BSPC, \
+ LCTL,NO, LEFT,DOWN,RGHT,NO, LEFT,DOWN,UP, RGHT,NO, NO, ENT, \
+ LSFT,NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, FN2, RSFT,NO, \
+ LGUI,LALT, SPC, RALT,RGUI),
+
+ /* Layer 3: Mouse mode (Semicolon)
+ * ,-----------------------------------------------------------.
+ * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
+ * |-----------------------------------------------------------|
+ * |Tab |MwL|MwU|McU|MwD|MwR|MwL|MwD|MwU|MwR| | | |Backs|
+ * |-----------------------------------------------------------|
+ * |Contro| |McL|McD|McR| |McL|McD|McU|McR|xxx| |Return |
+ * |-----------------------------------------------------------|
+ * |Shift |Mb4|Mb5|Mb1|Mb2|Mb3|Mb2|Mb1|Mb4|Mb5| |Shift | |
+ * `-----------------------------------------------------------'
+ * |Gui |Alt |Mb1 |Alt |Gui|
+ * `--------------------------------------------'
+ * Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
+ */
+#ifdef HOST_IWRAP
+// iWRAP does not support mouse wheel, use these keycodes to remap as wheel
+#define KB_KPPL KB_KP_PLUS
+#define KB_KPMI KB_KP_MINUS
+#define KB_KPAS KB_KP_ASTERISK
+#define KB_KPSL KB_KP_SLASH
+ KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ TAB, KPAS,KPPL,MS_U,KPMI,KPSL,KPAS,KPPL,KPMI,KPSL,NO, NO, NO, BSPC, \
+ LCTL,NO, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN3, NO, ENT, \
+ LSFT,BTN4,BTN5,BTN1,BTN2,BTN3,BTN2,BTN1,NO, NO, NO, RSFT,NO, \
+ LGUI,LALT, BTN1, RALT,FN4),
+#else
+ KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ TAB, WH_L,WH_U,MS_U,WH_D,WH_R,WH_L,WH_D,WH_U,WH_R,NO, NO, NO, BSPC, \
+ LCTL,NO, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN3, NO, ENT, \
+ LSFT,BTN4,BTN5,BTN1,BTN2,BTN3,BTN2,BTN1,BTN4,BTN5,NO, RSFT,NO, \
+ LGUI,LALT, BTN1, RALT,FN4),
+#endif
+
+ /* Layer 4: Matias half keyboard style (Space)
+ * ,-----------------------------------------------------------.
+ * | -| 0| 9| 8| 7| 6| 5| 4| 3| 2| 1| | | |Esc|
+ * |-----------------------------------------------------------|
+ * |Backs| P| O| I| U| Y| T| R| E| W| Q| | |Tab |
+ * |-----------------------------------------------------------|
+ * |Contro| ;| L| K| J| H| G| F| D| S| A|Con|Control |
+ * |-----------------------------------------------------------|
+ * |Shift | /| .| ,| M| N| B| V| C| X| Z|Shift | |
+ * `-----------------------------------------------------------'
+ * |Gui |Alt |xxxxxxxxxxxxxxxxxxxxxxx|Alt |Gui|
+ * `--------------------------------------------'
+ */
+/*
+ KEYMAP(MINS,0, 9, 8, 7, 6, 5, 4, 3, 2, 1, NO, NO, NO, ESC, \
+ BSPC,P, O, I, U, Y, T, R, E, W, Q, NO, NO, TAB, \
+ LCTL,SCLN,L, K, J, H, G, F, D, S, A, RCTL,RCTL, \
+ LSFT,SLSH,DOT, COMM,M, N, B, V, C, X, Z, RSFT,NO, \
+ LGUI,LALT, FN5, RALT,RGUI)
*/
- // 0: default
- {
- { KB_2, KB_Q, KB_W, KB_S, KB_A, KB_Z, KB_X, KB_C },
- { KB_3, KB_4, KB_R, KB_E, KB_D, KB_F, KB_V, KB_B },
- { KB_5, KB_6, KB_Y, KB_T, KB_G, KB_H, KB_N, KB_NO },
- { KB_1, KB_ESCAPE, KB_TAB, KB_LCTRL, KB_LSHIFT, KB_LGUI, KB_LALT, KB_SPACE },
- { KB_7, KB_8, KB_U, KB_I, KB_K, KB_J, KB_M, KB_NO },
- { KB_BSLASH, KB_GRAVE, KB_BSPACE, KB_ENTER, FN_1, KB_RSHIFT, KB_RGUI, FN_2 },
- { KB_9, KB_0, KB_O, KB_P, FN_3, KB_L, KB_COMMA, KB_NO },
- { KB_MINUS, KB_EQUAL, KB_RBRACKET,KB_LBRACKET,KB_QUOTE, KB_SLASH, KB_DOT, KB_NO },
- },
- // 1: FN_1 HHKB mode(Fn)
- {
- { KB_F2, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO },
- { KB_F3, KB_F4, KB_NO, KB_NO, KB_MUTE, KB_F20, KB_NO, KB_NO },
- { KB_F5, KB_F6, KB_NO, KB_NO, KB_NO, KP_ASTERISK,KP_PLUS, KB_NO },
- { KB_F1, KB_POWER, KB_CAPSLOCK,KB_LCTRL, KB_LSHIFT, KB_LGUI, KB_LALT, KB_SPACE },
- { KB_F7, KB_F8, KB_NO, KB_PSCREEN, KB_HOME, KP_SLASH, KB_MINUS, KB_NO },
- { KB_INSERT, KB_DELETE, KB_BSPACE, KP_ENTER, KB_NO, KB_RSHIFT, KB_RGUI, KB_RALT },
- { KB_F9, KB_F10, KB_SCKLOCK, KB_BREAK, KB_LEFT, KB_PGUP, KB_END, KB_NO },
- { KB_F11, KB_F12, KB_NO, KB_UP, KB_RIGHT, KB_DOWN, KB_PGDOWN, KB_NO },
- },
- // 2: FN_2 vi mode(RALT)
- {
- { KB_F2, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO },
- { KB_F3, KB_F4, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO },
- { KB_F5, KB_F6, KB_HOME, KB_NO, KB_NO, KB_LEFT, MS_LEFT, KB_NO },
- { KB_F1, KB_ESCAPE, KB_TAB, KB_LCTRL, KB_LSHIFT, KB_LGUI, KB_LALT, KB_SPACE },
- { KB_F7, KB_F8, KB_PGDOWN, KB_PGUP, KB_UP, KB_DOWN, MS_DOWN, KB_NO },
- { KB_INSERT, KB_DELETE, KB_BSPACE, KB_ENTER, KB_NO, MS_BTN2, MS_BTN3, KB_NO },
- { KB_F9, KB_F10, KB_END, KB_NO, KB_NO, KB_RIGHT, MS_UP, KB_NO },
- { KB_F11, KB_F12, MS_WH_UP, MS_WH_DOWN, KB_NO, MS_BTN1, MS_RIGHT, KB_NO },
- },
- // 3: FN_3 vi mouse mode(SCOLON)
- {
- { KB_F2, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO },
- { KB_F3, KB_F4, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO },
- { KB_F5, KB_F6, MS_WH_LEFT, KB_NO, KB_NO, MS_LEFT, KB_NO, KB_NO },
- { KB_F1, KB_ESCAPE, KB_TAB, KB_LCTRL, KB_LSHIFT, KB_LGUI, KB_LALT, MS_BTN1 },
- { KB_F7, KB_F8, MS_WH_DOWN, MS_WH_UP, MS_UP, MS_DOWN, MS_BTN1, KB_NO },
- { KB_NO, KB_NO, KB_BSPACE, KB_ENTER, KB_NO, KB_RSHIFT, KB_RGUI, KB_RALT },
- { KB_F9, KB_F10, MS_WH_RIGHT,KB_NO, KB_NO, MS_RIGHT, MS_BTN2, KB_NO },
- { KB_F11, KB_F12, KB_NO, KB_NO, KB_NO, KB_NO, MS_BTN3, KB_NO },
- },
+ /* Mouse mode (Space) */
+#ifdef HOST_IWRAP
+ KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ TAB, KPAS,KPPL,MS_U,KPMI,KPSL,KPAS,KPPL,KPMI,KPSL,NO, NO, NO, BSPC, \
+ LCTL,NO, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN3, NO, ENT, \
+ LSFT,BTN4,BTN5,BTN1,BTN2,BTN3,BTN2,BTN1,BTN4,BTN5,NO, RSFT,NO, \
+ LGUI,LALT, FN5, RALT,RGUI),
+#else
+ KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ TAB, WH_L,WH_U,MS_U,WH_D,WH_R,WH_L,WH_D,WH_U,WH_R,NO, NO, NO, BSPC, \
+ LCTL,NO, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN3, NO, ENT, \
+ LSFT,BTN4,BTN5,BTN1,BTN2,BTN3,BTN2,BTN1,BTN4,BTN5,NO, RSFT,NO, \
+ LGUI,LALT, FN5, RALT,RGUI),
+#endif
};
-uint8_t get_keycode(int layer, int row, int col)
+uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col)
{
- if (row >= MATRIX_ROWS)
- return KB_NO;
- if (col >= MATRIX_COLS)
- return KB_NO;
- return pgm_read_byte(&Keymap[layer][row][col]);
+ return KEYCODE(layer, row, col);
}
-int get_layer(void) {
- // keep modifier state when Fn key pressed
- static uint8_t preserved_modifiers = 0;
- int layer = 0;
- uint8_t modifiers = 0;
- for (int row = 0; row < MATRIX_ROWS; row++) {
- for (int col = 0; col < MATRIX_ROWS; col++) {
- if (matrix[row] & 1<<col) continue; // NOT pressed
- uint8_t code = get_keycode(0, row, col);
- if (code == FN_1) layer = 1;
- else if (code == FN_2) layer = 2;
- else if (code == FN_3) layer = 3;
- else if (code == FN_4) layer = 4;
- else if (KB_LCTRL <= code && code <= KB_RGUI)
- modifiers |= 1<<(code & 0x07);
- }
- }
-
- // TODO: this logic should go anywhere
- // TODO: need timeout for key_sent
- // send key when Fn key reloeased without used
- if (layer != current_layer) {
- if (layer == 0 && !key_sent) {
- uint8_t code = pgm_read_byte(&FnKey[current_layer]);
- if (code) {
- // send modifiers when Fn key pressed.
- keyboard_modifier_keys = preserved_modifiers;
- for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
-
- if (KB_LCTRL <= code && code <= KB_RGUI) {
- keyboard_modifier_keys |= 1<<(code & 0x07);
- } else {
- keyboard_keys[0] = code;
- }
- usb_keyboard_send();
- }
- }
- current_layer = layer;
- key_sent = false;
- preserved_modifiers = modifiers;
- }
-
- return current_layer;
+uint8_t keymap_fn_layer(uint8_t fn_bits)
+{
+ return pgm_read_byte(&fn_layer[biton(fn_bits)]);
+}
+
+uint8_t keymap_fn_keycode(uint8_t fn_bits)
+{
+ return pgm_read_byte(&fn_keycode[(biton(fn_bits))]);
}