[Keymap] Add fsck keymaps for eco, planck and preonic (#5106)

* Add the fsck keymaps for eco, planck and preonic

* Review changes for fsck layout

12 files changed, 590 insertions, 0 deletions

diff --git a/keyboards/eco/keymaps/fsck/config.h b/keyboards/eco/keymaps/fsck/config.h
new file mode 100644
index 0000000000..b0a7901b2d
--- /dev/null
+++ b/keyboards/eco/keymaps/fsck/config.h
@@ -0,0 +1,19 @@
+/* Copyright 2019 Frederick Hirsch
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#define USB_MAX_POWER_CONSUMPTION 100
diff --git a/keyboards/eco/keymaps/fsck/keymap.c b/keyboards/eco/keymaps/fsck/keymap.c
new file mode 100644
index 0000000000..8d7cb89c17
--- /dev/null
+++ b/keyboards/eco/keymaps/fsck/keymap.c
@@ -0,0 +1,76 @@
+/* Copyright 2019 Frederick Hirsch
+ *
+ * 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
+
+extern keymap_config_t keymap_config;
+
+#define _QWERTY 0
+#define _RAISE 3
+
+enum eco_keycodes {
+  QWERTY = SAFE_RANGE,
+  RAISE
+};
+
+#define JC_Z    CTL_T(KC_Z)
+#define JC_X    ALT_T(KC_X)
+#define JC_C    GUI_T(KC_C)
+#define JC_COMM GUI_T(KC_COMM)
+#define JC_DOT  ALT_T(KC_DOT)
+#define JC_SLSH CTL_T(KC_SLSH)
+
+#define JC_CAPS LT(_RAISE,KC_CAPS)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Qwerty
+ * ,-------------------------------------------------------------------------------------------------.
+ * | Tab  |   1  |   2  |   3  |   4  |   5  |   -  |  =   |   6  |   7  |   8  |   9  |  10  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+ * | ESC  |   Q  |   W  |   E  |   R  |   T  | Home | PgUp |   Y  |   U  |   I  |   O  |   P  |  '   |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Raise|   A  |   S  |   D  |   F  |   G  | End  | PgDn |   H  |   J  |   K  |   L  |   ;  | Enter|
+ * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |    Space    |   N  |   M  |   ,  |   .  |   /  | Shift|
+ * |      | Ctrl | Alt  | GUI  |             |             |             | GUI  | Alt  | Ctrl |      |
+ * `-------------------------------------------------------------------------------------------------'
+ */
+[_QWERTY] = LAYOUT(
+  KC_TAB,   KC_1,   KC_2,    KC_3,   KC_4,    KC_5,  KC_MINS, KC_EQL,  KC_6,   KC_7,   KC_8,     KC_9,     KC_0,    KC_BSPC,
+  KC_GESC,  KC_Q,   KC_W,    KC_E,   KC_R,    KC_T,  KC_HOME, KC_PGUP, KC_Y,   KC_U,   KC_I,     KC_O,     KC_P,    KC_QUOT,
+  JC_CAPS,  KC_A,   KC_S,    KC_D,   KC_F,    KC_G,  KC_END,  KC_PGDN, KC_H,   KC_J,   KC_K,     KC_L,     KC_SCLN, KC_ENT,
+  KC_LSFT,  JC_Z,   JC_X,    JC_C,   KC_V,    KC_B,  KC_SPC,  KC_SPC,  KC_N,   KC_M,   JC_COMM,  JC_DOT,   JC_SLSH, KC_RSFT
+),
+ 
+
+/* Raise
+ * ,-------------------------------------------------------------------------------------------------.
+ * |  `   |  F1  |  F2  |  F3  |  F4  |  F5  |      |      |  F6  |  F7  |  F8  |  F9  |  F0  | Del  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Del  |      |  Up  |      |      |      |      |PrntSc|      |      |      |   [  |   ]  |   \  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      | Left | Down | Right|      |      |ScrLck|Pause |      |      |      |      |      |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |             |      |      |             |      |      |      |Insert|
+ * `-------------------------------------------------------------------------------------------------'
+ */
+[_RAISE] = LAYOUT(
+  KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F11,  KC_F12,  KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_DEL,
+  _______, _______, KC_UP,   _______, _______, _______, _______, KC_PSCR, _______, _______, _______, KC_LBRC, KC_RBRC, KC_BSLS,
+  _______, KC_LEFT, KC_DOWN, KC_RIGHT,_______, _______, KC_SLCK, KC_PAUS, _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS
+)
+};
\ No newline at end of file
diff --git a/keyboards/eco/keymaps/fsck/readme.md b/keyboards/eco/keymaps/fsck/readme.md
new file mode 100644
index 0000000000..1f3678daf1
--- /dev/null
+++ b/keyboards/eco/keymaps/fsck/readme.md
@@ -0,0 +1,5 @@
+![eco:fsck Layout Image](https://i.imgur.com/Sb8n8B0.png)
+
+# ECO Layout by fsck
+
+This is the fsck layout for the eco keyboard. The bottom row of the default layer are dual function tap/hold keys.
\ No newline at end of file
diff --git a/keyboards/eco/keymaps/fsck/rules.mk b/keyboards/eco/keymaps/fsck/rules.mk
new file mode 100644
index 0000000000..8fb2adf383
--- /dev/null
+++ b/keyboards/eco/keymaps/fsck/rules.mk
@@ -0,0 +1,19 @@
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in 
+#   the appropriate keymap folder that will get included automatically
+#
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = no         # Console for debug(+400)
+COMMAND_ENABLE = no        # Commands for debug and configuration
+NKRO_ENABLE = yes            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no          # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
diff --git a/keyboards/planck/keymaps/fsck/config.h b/keyboards/planck/keymaps/fsck/config.h
new file mode 100644
index 0000000000..bf25da3a6f
--- /dev/null
+++ b/keyboards/planck/keymaps/fsck/config.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#define USB_MAX_POWER_CONSUMPTION 100
+
+#ifdef AUDIO_ENABLE
+    #define STARTUP_SONG SONG(PLANCK_SOUND)
+    // #define STARTUP_SONG SONG(NO_SOUND)
+
+    #define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND), \
+                                  SONG(COLEMAK_SOUND), \
+                                  SONG(DVORAK_SOUND) \
+                                }
+#endif
+
+#define MUSIC_MASK (keycode != KC_NO)
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+                                
+#define MIDI_BASIC
diff --git a/keyboards/planck/keymaps/fsck/keymap.c b/keyboards/planck/keymaps/fsck/keymap.c
new file mode 100644
index 0000000000..cac5d554ec
--- /dev/null
+++ b/keyboards/planck/keymaps/fsck/keymap.c
@@ -0,0 +1,154 @@
+/* Copyright 2015-2017 Jack Humbert
+ *
+ * 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
+
+extern keymap_config_t keymap_config;
+
+enum planck_layers {
+  _QWERTY,
+  _LOWER,
+  _RAISE,
+  _ADJUST
+};
+
+enum planck_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  BACKLIT,
+  EXT_PLV
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl |Brite | GUI  | Alt  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_QWERTY] = LAYOUT_planck_grid(
+  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
+  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, BACKLIT, KC_LGUI, KC_LALT, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
+),
+
+/* Lower
+ * ,-----------------------------------------------------------------------------------.
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |   {  |   }  |  |   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO ~ |ISO | | Vol- | Vol+ |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      | ALTGr|      |             |      | Home |Pg Dn |Pg Up | End  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_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_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,  S(KC_NUHS), S(KC_NUBS), KC_VOLD, KC_VOLU, _______,
+  _______, _______, _______, KC_RALT, _______, _______, _______, _______,    KC_HOME,    KC_PGDN, KC_PGUP, KC_END
+),
+
+/* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO # |ISO / | Vol- | Vol+ |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      | ALTGr|      |             |      | Home |Pg Dn |Pg Up | End  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_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_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_NUHS, KC_NUBS, KC_VOLD, KC_VOLU, _______,
+  _______, _______, _______, KC_RALT, _______, _______, _______, _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END
+),
+
+/* Adjust (Lower + Raise)
+ * ,-----------------------------------------------------------------------------------.
+ * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |Aud on|Audoff|AGnorm|AGswap|Qwerty|      |      |      |      |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |Voice-|Voice+|Mus on|Musoff|MIDIon|MIDIof|      |      |      |      |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      |      |      |      |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_ADJUST] = LAYOUT_planck_grid(
+  _______, RESET,   DEBUG,   _______, _______, _______, _______, TERM_ON, TERM_OFF,_______, _______, KC_DEL,
+  _______, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  _______, _______, _______, _______,
+  _______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+)
+
+};
+
+#ifdef AUDIO_ENABLE
+  float plover_song[][2]     = SONG(PLOVER_SOUND);
+  float plover_gb_song[][2]  = SONG(PLOVER_GOODBYE_SOUND);
+#endif
+
+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;
+    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);
+      }
+      return false;
+    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);
+      }
+      return false;
+    case BACKLIT:
+      if (record->event.pressed) {
+        register_code(KC_RSFT);
+        #ifdef BACKLIGHT_ENABLE
+          backlight_step();
+        #endif
+      } else {
+        unregister_code(KC_RSFT);
+      }
+      return false;
+  }
+  return true;
+}
diff --git a/keyboards/planck/keymaps/fsck/readme.md b/keyboards/planck/keymaps/fsck/readme.md
new file mode 100644
index 0000000000..755da3e219
--- /dev/null
+++ b/keyboards/planck/keymaps/fsck/readme.md
@@ -0,0 +1,5 @@
+![preonic:fsck Layout Image](https://i.imgur.com/GOLyPGP.png)
+
+# fsck's Planck Layout
+
+This is largely based on the default planck layout.
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/fsck/rules.mk b/keyboards/planck/keymaps/fsck/rules.mk
new file mode 100644
index 0000000000..bd0181d620
--- /dev/null
+++ b/keyboards/planck/keymaps/fsck/rules.mk
@@ -0,0 +1,3 @@
+#pragma once
+NKRO_ENABLE = yes            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/fsck/config.h b/keyboards/preonic/keymaps/fsck/config.h
new file mode 100644
index 0000000000..b06980c5b0
--- /dev/null
+++ b/keyboards/preonic/keymaps/fsck/config.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#ifdef AUDIO_ENABLE
+    #define STARTUP_SONG SONG(PREONIC_SOUND)
+    // #define STARTUP_SONG SONG(NO_SOUND)
+
+    #define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND), \
+                                  SONG(COLEMAK_SOUND), \
+                                  SONG(DVORAK_SOUND) \
+                                }
+#endif
+
+#define MUSIC_MASK (keycode != KC_NO)
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+
+#define MIDI_BASIC
diff --git a/keyboards/preonic/keymaps/fsck/keymap.c b/keyboards/preonic/keymaps/fsck/keymap.c
new file mode 100644
index 0000000000..97a0ed6089
--- /dev/null
+++ b/keyboards/preonic/keymaps/fsck/keymap.c
@@ -0,0 +1,249 @@
+/* Copyright 2015-2017 Jack Humbert
+ *
+ * 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 "muse.h"
+
+enum preonic_layers {
+  _QWERTY,
+  _LOWER,
+  _RAISE,
+  _ADJUST
+};
+
+enum preonic_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  BACKLIT
+};
+
+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 |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl |Brite | GUI  | Alt  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_QWERTY] = LAYOUT_preonic_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_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,  \
+  KC_LCTL, BACKLIT, KC_LGUI, KC_LALT, 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 |ISO ~ |ISO | | Vol- | Vol+ |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      | ALTGr|      |             |      | Home |Pg Dn |Pg Up | End  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_LOWER] = LAYOUT_preonic_grid( \
+  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,S(KC_NUHS),S(KC_NUBS),KC_VOLD,KC_VOLU,_______, \
+  _______, _______, _______, KC_RALT, _______, _______, _______, _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END \
+),
+
+/* 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 |ISO # |ISO / | Vol- | Vol+ |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      | ALTGr|      |             |      | Home |Pg Dn |Pg Up | End  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_RAISE] = LAYOUT_preonic_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_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_NUHS, KC_NUBS, KC_VOLD, KC_VOLU, _______,
+  _______, _______, _______, KC_RALT, _______, _______, _______, _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END \
+),
+
+/* Adjust (Lower + Raise)
+ * ,-----------------------------------------------------------------------------------.
+ * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |Aud on|AudOff|AGnorm|AGswap|Qwerty|Colemk|Dvorak|      |      |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |Voice-|Voice+|Mus on|MusOff|MidiOn|MidOff|      |      |      |      |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      |      |      |      |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_ADJUST] = LAYOUT_preonic_grid( \
+  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,   DEBUG,   _______, _______, _______, _______, TERM_ON, TERM_OFF,_______, _______, KC_DEL,  \
+  _______, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  _______, _______,  _______, _______, \
+  _______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______, \
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______  \
+)
+
+
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+        case QWERTY:
+          if (record->event.pressed) {
+            set_single_persistent_default_layer(_QWERTY);
+          }
+          return false;
+          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);
+          }
+          return false;
+          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);
+          }
+          return false;
+          break;
+        case BACKLIT:
+          if (record->event.pressed) {
+            register_code(KC_RSFT);
+            #ifdef BACKLIGHT_ENABLE
+              backlight_step();
+            #endif
+            #ifdef __AVR__
+            PORTE &= ~(1<<6);
+            #endif
+          } else {
+            unregister_code(KC_RSFT);
+            #ifdef __AVR__
+            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_user(uint8_t index, 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) {
+        layer_on(_ADJUST);
+      } else {
+        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;
+  }
+}
diff --git a/keyboards/preonic/keymaps/fsck/readme.md b/keyboards/preonic/keymaps/fsck/readme.md
new file mode 100644
index 0000000000..e459884eb6
--- /dev/null
+++ b/keyboards/preonic/keymaps/fsck/readme.md
@@ -0,0 +1,5 @@
+![preonic:fsck Layout Image](https://i.imgur.com/nI8fBco.png)
+
+# fsck's Preonic Layout
+
+This is based on the fsck layout for the Planck keyboard and similar to the Preonic default layout.
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/fsck/rules.mk b/keyboards/preonic/keymaps/fsck/rules.mk
new file mode 100644
index 0000000000..dcf16bef39
--- /dev/null
+++ b/keyboards/preonic/keymaps/fsck/rules.mk
@@ -0,0 +1 @@
+SRC += muse.c