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keychron_qmk_firmware/hhkb/keymap.c

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/*
* keymap for HHKB pro
*/
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "usb_keyboard.h"
#include "matrix.h"
#include "keymap.h"
#include "print.h"
#define FN_KEYCODE(fn) (pgm_read_byte(&fn_keycode[(fn)]))
#define FN_LAYER(fn) (pgm_read_byte(&fn_layer[(fn)]))
#define KEYMAPS(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))
static int current_layer = 0;
static bool layer_used = false;
static int onbit(uint8_t bits);
/*
* 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|
* `--------------------------------------------'
*
* Layer2(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|
* `-------------------------------------------'
*
* Layer3(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|
* `--------------------------------------------'
*
* Layer4 Matias half keyboard style
* ,-----------------------------------------------------------.
* | -| 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|
* `--------------------------------------------'
*
* Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
*/
/* keycode to sent when Fn key released without using layer keys. */
static const uint8_t PROGMEM fn_keycode[] = {
KB_NO, // FN_0
KB_NO, // FN_1
KB_NO, // FN_2
KB_SCOLON, // FN_3
KB_SPACE, // FN_4
KB_NO, // FN_5
KB_NO, // FN_6
KB_NO, // FN_7
};
/* layer to change into while Fn key pressed */
static const int PROGMEM fn_layer[] = { 0, 1, 2, 3, 4, 0, 0, 0 };
static const uint8_t PROGMEM keymaps[][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: 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: 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: 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 },
},
// 4: Matias half keyboard style(SPACE) [NOT USED]
{
{ KB_9, KB_P, KB_O, KB_L, KB_SCOLON, KB_SLASH, KB_DOT, KB_COMMA },
{ KB_8, KB_7, KB_U, KB_I, KB_K, KB_J, KB_M, KB_N },
{ KB_6, KB_5, KB_T, KB_Y, KB_H, KB_G, KB_B, KB_NO },
{ KB_0, KB_MINUS, KB_BSPACE, KB_LCTRL, KB_LSHIFT, KB_LGUI, KB_LALT, KB_NO },
{ KB_4, KB_3, KB_R, KB_E, KB_D, KB_F, KB_V, KB_NO },
{ KB_NO, KB_ESCAPE, KB_TAB, KB_RCTRL, FN_1, KB_RSHIFT, KB_RGUI, KB_RALT },
{ KB_2, KB_1, KB_W, KB_Q, KB_A, KB_S, KB_C, KB_NO },
{ KB_NO, KB_NO, KB_RBRACKET,KB_LBRACKET,KB_QUOTE, KB_Z, KB_X, KB_NO },
},
};
uint8_t keymap_get_keycode(int row, int col)
{
return keymap_get_keycodel(current_layer, row, col);
}
uint8_t keymap_get_keycodel(int layer, int row, int col)
{
uint8_t code = KEYMAPS(layer, row, col);
// normal key or mouse key
if ((KB_A <= code && code <= KP_HEXADECIMAL) ||
(MS_UP <= code && code <= MS_WH_RIGHT))
layer_used = true;
return code;
}
inline
int keymap_get_layer(void) {
return current_layer;
}
inline
int keymap_set_layer(int layer) {
current_layer = layer;
return current_layer;
}
void keymap_fn_proc(int fn_bits) {
// layer switching
static int last_bits = 0;
static uint8_t last_mod = 0;
if (usb_keyboard_has_key() || fn_bits == last_bits) {
// do nothing during press other than Fn key
return;
} else if (fn_bits == 0) {
// send key when Fn key is released without using the layer
if (!layer_used) {
uint8_t code = FN_KEYCODE(onbit(last_bits));
if (code != KB_NO) {
if (KB_LCTRL <= code && code <= KB_RGUI) {
keyboard_modifier_keys = last_mod | 1<<(code & 0x07);
} else {
keyboard_keys[0] = code;
keyboard_modifier_keys = last_mod;
}
usb_keyboard_send();
usb_keyboard_print();
usb_keyboard_clear();
}
}
last_bits = 0;
last_mod = 0;
layer_used = false;
keymap_set_layer(0); // default layer
print("layer default: "); phex(current_layer); print("\n");
} else if ((fn_bits & (fn_bits - 1)) == 0) {
// switch layer when just one Fn Key is pressed
last_bits = fn_bits;
last_mod = keyboard_modifier_keys;
layer_used = false;
keymap_set_layer(FN_LAYER(onbit(fn_bits)));
print("layer: "); phex(current_layer); print("\n");
print("last_bits: "); phex(last_bits); print("\n");
print("last_mod: "); phex(last_mod); print("\n");
}
}
static int onbit(uint8_t bits) {
int n = 0;
if (bits >> 4) { bits >>= 4; n += 4;}
if (bits >> 2) { bits >>= 2; n += 2;}
if (bits >> 1) { bits >>= 1; n += 1;}
return n;
}
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