qmk_firmware/keyboards/planck/keymaps/msiu/keymap.c

#include QMK_KEYBOARD_H
#include "muse.h"

extern keymap_config_t keymap_config;

enum planck_layers {
  _QWERTY,
  _DVORAK,
  _LOWER,
  _RAISE,
  _NUMB,
  _FUNC,
  _ADJUST
};

enum planck_keycodes {
  QWERTY = SAFE_RANGE,
  DVORAK,
  BACKLIT,
  EXT_PLV
};

#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)

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

[_QWERTY] = LAYOUT_planck_grid(
  LT(_NUMB, KC_TAB),   KC_Q,    KC_W,    KC_E,    KC_R,  KC_T,      KC_Y,   KC_U,  KC_I,    KC_O,    KC_P,    KC_BSPC,
  LCTL_T(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,
  KC_LCTL,             KC_HYPR, KC_LALT, KC_LGUI, LOWER, MO(_FUNC), KC_SPC, RAISE, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
),

[_DVORAK] = LAYOUT_planck_grid(
  _______, KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,     KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    _______,
  _______, KC_A,    KC_O,    KC_E,    KC_U,    KC_I,     KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_SLSH,
  _______, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,     KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    _______,
  _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),

[_LOWER] = LAYOUT_planck_grid(
  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_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_PGDN, KC_PGUP, KC_HOME, KC_END , KC_MUTE,
  _______, _______,  _______, _______, _______, _______, KC_MPLY, _______, KC_MPRV, KC_VOLD, KC_VOLU, KC_MNXT
),

[_RAISE] = LAYOUT_planck_grid(
  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_4,    KC_5,    KC_6,   KC_PLUS, KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS,
  _______, KC_7,    KC_8,    KC_9,   KC_MINS, KC_F11,  KC_F12,  KC_PGDN, KC_PGUP, KC_HOME, KC_END , KC_MUTE,
  _______, _______, _______, _______, _______, _______, KC_MPLY, _______, KC_MPRV, KC_VOLD, KC_VOLU, KC_MNXT
),

[_ADJUST] = LAYOUT_planck_grid(
    _______, _______, DEBUG,   RGB_TOG, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, KC_DEL ,
    _______, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  DVORAK,  _______, _______, _______,
    _______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  TERM_ON, TERM_OFF,_______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RESET
),

[_FUNC] = LAYOUT_planck_grid(
  _______, _______, _______, _______, _______, _______, _______, _______, KC_UP,   _______, KC_PSCR, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),

[_NUMB] = LAYOUT_planck_grid(
  _______, _______, _______, _______, _______, _______, _______, KC_7,    KC_8,    KC_9,    _______, KC_BSPC,
  _______, _______, _______, _______, _______, _______, _______, KC_4,    KC_5,    KC_6,    _______, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_1,    KC_2,    KC_3,    _______, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_0,    KC_0,    _______, _______, _______
)


};

#ifdef AUDIO_ENABLE
  float plover_song[][2]     = SONG(PLOVER_SOUND);
  float plover_gb_song[][2]  = SONG(PLOVER_GOODBYE_SOUND);
#endif

uint32_t layer_state_set_user(uint32_t state) {
  return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        print("mode just switched to qwerty and this is a huge string\n");
        set_single_persistent_default_layer(_QWERTY);
      }
      return false;
      break;
    case DVORAK:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_DVORAK);
      }
      return false;
      break;
    case BACKLIT:
      if (record->event.pressed) {
        register_code(KC_RSFT);
        #ifdef BACKLIGHT_ENABLE
          backlight_step();
        #endif
        #ifdef KEYBOARD_planck_rev5
          PORTE &= ~(1<<6);
        #endif
      } else {
        unregister_code(KC_RSFT);
        #ifdef KEYBOARD_planck_rev5
          PORTE |= (1<<6);
        #endif
      }
      return false;
      break;
  }
  return true;
}

bool muse_mode = false;
uint8_t last_muse_note = 0;
uint16_t muse_counter = 0;
uint8_t muse_offset = 70;
uint16_t muse_tempo = 50;

void encoder_update(bool clockwise) {
  if (muse_mode) {
    if (IS_LAYER_ON(_RAISE)) {
      if (clockwise) {
        muse_offset++;
      } else {
        muse_offset--;
      }
    } else {
      if (clockwise) {
        muse_tempo+=1;
      } else {
        muse_tempo-=1;
      }
    }
  } else {
    if (clockwise) {
      register_code(KC_PGDN);
      unregister_code(KC_PGDN);
    } else {
      register_code(KC_PGUP);
      unregister_code(KC_PGUP);
    }
  }
}

void dip_update(uint8_t index, bool active) {
  switch (index) {
    case 0:
      if (active) {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_song);
        #endif
        layer_on(_ADJUST);
      } else {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_gb_song);
        #endif
        layer_off(_ADJUST);
      }
      break;
    case 1:
      if (active) {
        muse_mode = true;
      } else {
        muse_mode = false;
        #ifdef AUDIO_ENABLE
          stop_all_notes();
        #endif
      }
   }
}

void matrix_scan_user(void) {
  #ifdef AUDIO_ENABLE
    if (muse_mode) {
      if (muse_counter == 0) {
        uint8_t muse_note = muse_offset + SCALE[muse_clock_pulse()];
        if (muse_note != last_muse_note) {
          stop_note(compute_freq_for_midi_note(last_muse_note));
          play_note(compute_freq_for_midi_note(muse_note), 0xF);
          last_muse_note = muse_note;
        }
      }
      muse_counter = (muse_counter + 1) % muse_tempo;
    }
  #endif
}

bool music_mask_user(uint16_t keycode) {
  switch (keycode) {
    case RAISE:
    case LOWER:
      return false;
    default:
      return true;
  }
}