keychron_qmk_firmware/keyboard/preonic/keymaps/default/keymap.c

#include "preonic.h"
#include "action_layer.h"
#include "eeconfig.h"
#ifdef AUDIO_ENABLE
  #include "audio.h"
  #define SCALE (int []){ 0 + (12*0), 2 + (12*0), 4 + (12*0), 5 + (12*0), 7 + (12*0), 9 + (12*0), 11 + (12*0), \
              0 + (12*1), 2 + (12*1), 4 + (12*1), 5 + (12*1), 7 + (12*1), 9 + (12*1), 11 + (12*1), \
              0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \
              0 + (12*3), 2 + (12*3), 4 + (12*3), 5 + (12*3), 7 + (12*3), 9 + (12*3), 11 + (12*3), \
              0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
#endif

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
#define _QWERTY 0
#define _COLEMAK 1
#define _DVORAK 2
#define _LOWER 3
#define _RAISE 4
#define _ADJUST 5
#define _MUSIC 6

// Macro name shortcuts
#define QWERTY M(_QWERTY)
#define COLEMAK M(_COLEMAK)
#define DVORAK M(_DVORAK)
#define LOWER M(_LOWER)
#define RAISE M(_RAISE)
#define M_BL 5
#ifdef AUDIO_ENABLE
  #define AUD_OFF M(6)
  #define AUD_ON M(7)
#endif
#define MUS_OFF M(8)
#define MUS_ON M(9)

// Fillers to make layering more clear
#define _______ KC_TRNS
#define XXXXXXX KC_NO

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

/* Qwerty
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_QWERTY] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
  {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_DEL},
  {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT},
  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
  {M(M_BL), KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
},

/* Colemak
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Tab  |   Q  |   W  |   F  |   P  |   G  |   J  |   L  |   U  |   Y  |   ;  | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Esc  |   A  |   R  |   S  |   T  |   D  |   H  |   N  |   E  |   I  |   O  |  "   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * | Shift|   Z  |   X  |   C  |   V  |   B  |   K  |   M  |   ,  |   .  |   /  |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_COLEMAK] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
  {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_DEL},
  {KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT},
  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
  {M(M_BL), KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
},

/* Dvorak
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Tab  |   "  |   ,  |   .  |   P  |   Y  |   F  |   G  |   C  |   R  |   L  | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Esc  |   A  |   O  |   E  |   U  |   I  |   D  |   H  |   T  |   N  |   S  |  /   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * | Shift|   ;  |   Q  |   J  |   K  |   X  |   B  |   M  |   W  |   V  |   Z  |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_DVORAK] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
  {KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_DEL},
  {KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_SLSH},
  {KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_ENT },
  {M(M_BL), KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
},

/* Lower
 * ,-----------------------------------------------------------------------------------.
 * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |   {  |   }  |  |   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      |      |      |      |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
 * `-----------------------------------------------------------------------------------'
 */
[_LOWER] = {
  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC},
  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_DEL},
  {KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE},
  {_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
},

/* Raise
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      |      |      |      |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
 * `-----------------------------------------------------------------------------------'
 */
[_RAISE] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL},
  {KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
  {_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
},

/* Adjust (Lower + Raise)
 * ,-----------------------------------------------------------------------------------.
 * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |      |      |      |Audoff|Aud on|      |      |Qwerty|Colemk|Dvorak|      |      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |      |      |      |      |      |      |      |      |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_ADJUST] = {
  {KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12},
  {_______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL},
  {_______, _______, _______, AUD_ON,  AUD_OFF, _______, _______, QWERTY,  COLEMAK, DVORAK,  _______, _______},
  {_______, _______, _______, MUS_ON,  MUS_OFF, _______, _______, _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
},

/* Music (reserved for process_action_user)
 *
 */
[_MUSIC] = {
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
}
};

const uint16_t PROGMEM fn_actions[] = {

};

#ifdef AUDIO_ENABLE
float start_up[][2] = {
  {440.0*pow(2.0,(50)/12.0), 20},
  {440.0*pow(2.0,(62)/12.0), 8},
  {440.0*pow(2.0,(54)/12.0), 20},
  {440.0*pow(2.0,(62)/12.0), 8}
};

float tone_qwerty[][2] = {
  {440.0*pow(2.0,(59)/12.0), 8},
  {440.0*pow(2.0,(60)/12.0), 8},
  {0, 4},
  {440.0*pow(2.0,(67)/12.0), 16}
};

float tone_colemak[][2] = {
  {440.0*pow(2.0,(59)/12.0), 8},
  {440.0*pow(2.0,(60)/12.0), 8},
  {0, 4},
  {440.0*pow(2.0,(67)/12.0), 12},
  {0, 4},
  {440.0*pow(2.0,(71)/12.0), 12}
};

float tone_dvorak[][2] = {
  {440.0*pow(2.0,(59)/12.0), 8},
  {440.0*pow(2.0,(60)/12.0), 8},
  {0, 4},
  {440.0*pow(2.0,(67)/12.0), 8},
  {0, 4},
  {440.0*pow(2.0,(69)/12.0), 8},
  {0, 4},
  {440.0*pow(2.0,(67)/12.0), 8}
};

float tone_music[][2] = {
  {440.0*pow(2.0,(48)/12.0), 8},
  {440.0*pow(2.0,(50)/12.0), 8},
  {440.0*pow(2.0,(52)/12.0), 8},
  {440.0*pow(2.0,(53)/12.0), 8},
  {440.0*pow(2.0,(55)/12.0), 8},
  {440.0*pow(2.0,(57)/12.0), 8},
  {440.0*pow(2.0,(59)/12.0), 8},
  {440.0*pow(2.0,(60)/12.0), 8}
};
#endif


const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
      switch(id) {
        case _QWERTY:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              play_notes(&tone_qwerty, 4, false);
            #endif
            eeconfig_write_default_layer(1UL<<_QWERTY);
            default_layer_set(1UL<<_QWERTY);
          }
          break;
        case _COLEMAK:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              play_notes(&tone_colemak, 6, false);
            #endif
            eeconfig_write_default_layer(1UL<<_COLEMAK);
            default_layer_set(1UL<<_COLEMAK);
          }
          break;
        case _DVORAK:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              play_notes(&tone_dvorak, 8, false);
            #endif
            eeconfig_write_default_layer(1UL<<_DVORAK);
            default_layer_set(1UL<<_DVORAK);
          }
          break;
        case _LOWER:
          if (record->event.pressed) {
            layer_on(_LOWER);
            update_tri_layer(_LOWER, _RAISE, _ADJUST);
          } else {
            layer_off(_LOWER);
            update_tri_layer(_LOWER, _RAISE, _ADJUST);
          }
          break;
        case _RAISE:
          if (record->event.pressed) {
            layer_on(_RAISE);
            update_tri_layer(_LOWER, _RAISE, _ADJUST);
          } else {
            layer_off(_RAISE);
            update_tri_layer(_LOWER, _RAISE, _ADJUST);
          }
          break;
        case M_BL:
          if (record->event.pressed) {
            register_code(KC_RSFT);
            #ifdef BACKLIGHT_ENABLE
              backlight_step();
            #endif
          } else {
            unregister_code(KC_RSFT);
          }
        break;
        case 6:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              audio_off();
            #endif
          }
        break;
        case 7:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              audio_on();
              play_notes(&start_up, 4, false);
            #endif
          }
        break;
        case 8:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              layer_off(_MUSIC);
              stop_all_notes();
            #endif
          }
        break;
        case 9:
          if (record->event.pressed) {
            #ifdef AUDIO_ENABLE
              play_notes(&tone_music, 8, false);
              layer_on(_MUSIC);
            #endif
          }
        break;
      }
    return MACRO_NONE;
};

uint8_t starting_note = 0x0C;
int offset = 7;

void process_action_user(keyrecord_t *record) {

  if (IS_LAYER_ON(_MUSIC)) {
    if (record->event.pressed) {
        play_note(((double)261.626)*pow(2.0, -2.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
    } else {
        stop_note(((double)261.626)*pow(2.0, -2.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
    }
  }

}

void matrix_init_user(void) {
  #ifdef AUDIO_ENABLE
    init_notes();
    play_notes(&start_up, 4, false);
  #endif
}