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/*
* keymap for HHKB pro
*/
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "matrix.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
*/
/* 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
};
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 },
},
*/
// 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 },
},
};
uint8_t get_keycode(int layer, int row, int col)
{
if (row >= MATRIX_ROWS)
return KB_NO;
if (col >= MATRIX_COLS)
return KB_NO;
return pgm_read_byte(&Keymap[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);
// NOT change current_layer when one more Fn keys pressed
// when other than Fn key pressed
if (code == FN_1) layer = layer ? current_layer : 1;
else if (code == FN_2) layer = layer ? current_layer : 2;
else if (code == FN_3) layer = layer ? current_layer : 3;
else if (code == FN_4) layer = layer ? current_layer : 4;
else if (KB_LCTRL <= code && code <= KB_RGUI)
modifiers |= 1<<(code & 0x07);
else // other_key_pressed
layer = current_layer;
}
}
// 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;
}
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