qmk_firmware/keyboards/hhkb/yang/keymaps/kanru/keymap.c

/*  -*-  eval: (turn-on-orgtbl); -*-
 * kanru's HHKB Layout
 *
 * Copyright 2021 Kan-Ru Chen <kanru@kanru.info>
 *
 * 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/>.
 */
#include QMK_KEYBOARD_H
#include <stdio.h>

enum custom_layers {
    BASE,
    HHKB,
    MOUSE,
};

#define BATTERY_FULL 550
#define BATTERY_EMPTY 326

enum my_keycodes { KC_VBAT = SAFE_RANGE };

uint32_t adafruit_ble_read_battery_voltage(void);

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
#ifdef BLUETOOTH_ENABLE
        case KC_VBAT:
            if (record->event.pressed) {
                char    vbat[8];
                uint8_t level = (adafruit_ble_read_battery_voltage() - BATTERY_EMPTY) / (float)(BATTERY_FULL - BATTERY_EMPTY) * 100;
                snprintf(vbat, sizeof(vbat), "%d", level);
                send_string(vbat);
            }
            return false;
#endif
        default:
            return true;
    }
}

// clang-format off
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

    /* BASE Level: 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 |   |
     |-------+---+---+---+---+---+---+---+---+---+---+-------+-----+-------+---|
     | Cont  | A | S | D | F | G | H | J | K | L | ; | '     | Ent |       |   |
     |-------+---+---+---+---+---+---+---+---+---+---+-------+-----+-------+---|
     | Shift | Z | X | C | V | B | N | M | , | . | / | Shift | Fn0 |       |   |
     |-------+---+---+---+---+---+---+---+---+---+---+-------+-----+-------+---|

            |------+------+-----------------------+------+------|
            | LAlt | LGUI | ******* Space ******* | RGUI | RAlt |
            |------+------+-----------------------+------+------|
    */

    [BASE] = LAYOUT_60_hhkb( //  default layer
        LT(MOUSE, KC_ESC), KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSLS, KC_GRV,
        KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSPC,
        KC_LCTL, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT,
        KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, MO(HHKB),
        KC_LALT, KC_LGUI, /*        */ KC_SPC, KC_RGUI, KC_RALT),

    /* Layer HHKB: HHKB mode (HHKB Fn)
      |------+-----+-----+-----+----+----+----+----+-----+-----+-----+-----+-------+-------+-----|
      | Pwr  | F1  | F2  | F3  | F4 | F5 | F6 | F7 | F8  | F9  | F10 | F11 | F12   | Ins   | Del |
      |------+-----+-----+-----+----+----+----+----+-----+-----+-----+-----+-------+-------+-----|
      | Caps |     |     | BAT |    |    |    |    | Psc | Slk | Pus | Up  |       | Backs |     |
      |------+-----+-----+-----+----+----+----+----+-----+-----+-----+-----+-------+-------+-----|
      |      | VoD | VoU | Mut |    |    | *  | /  | Hom | PgU | Lef | Rig | Enter |       |     |
      |------+-----+-----+-----+----+----+----+----+-----+-----+-----+-----+-------+-------+-----|
      |      |     |     |     |    |    | +  | -  | End | PgD | Dow |     |       |       |     |
      |------+-----+-----+-----+----+----+----+----+-----+-----+-----+-----+-------+-------+-----|

                 |------+------+----------------------+------+------+
                 | **** | **** | ******************** | **** | **** |
                 |------+------+----------------------+------+------+

     */

    [HHKB] = LAYOUT_60_hhkb(
        KC_PWR, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_DEL,
        KC_CAPS, KC_TRNS, KC_TRNS, KC_VBAT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PSCR, KC_SCRL, KC_PAUS, KC_UP, KC_TRNS, KC_BSPC,
        KC_TRNS, KC_VOLD, KC_VOLU, KC_MUTE, KC_TRNS, KC_TRNS, KC_PAST, KC_PSLS, KC_HOME, KC_PGUP, KC_LEFT, KC_RGHT, KC_PENT,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PPLS, KC_PMNS, KC_END, KC_PGDN, KC_DOWN, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),

    /* Layer MOUSE: Mouse Key mode (ESC)
      |------+------+------+-----+----+----+----+----+----+----+-----+-----+-------+-------+----- |
      |      |      |      |     |    |    |    |    |    |    |     |     |       |       |     |
      |------+------+------+-----+----+----+----+----+----+----+-----+-----+-------+-------+-----|
      |      | BTN1 | WH_U |     |    |    |    |    |    |    |     |     |       |       |     |
      |------+------+------+-----+----+----+----+----+----+----+-----+-----+-------+-------+-----|
      |      | BTN2 | WH_D |     |    |    |MS_L|MS_D|MS_U|MS_R|     |     |       |       |     |
      |------+------+------+-----+----+----+----+----+----+----+-----+-----+-------+-------+-----|
      |      | BTN3 |      |     |    |    |    |    |    |    |     |     |       |       |     |
      |------+------+------+-----+----+----+----+----+----+----+-----+-----+-------+-------+-----|

                 |------+------+----------------------+------+------+
                 | **** | **** | ******************** | **** | **** |
                 |------+------+----------------------+------+------+

     */

    [MOUSE] = LAYOUT_60_hhkb(
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_BTN1, KC_WH_U, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_BTN2, KC_WH_D, KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_U, KC_MS_R, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_BTN3, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS)
};
// clang-format on