diff --git a/keyboards/eco/keymaps/fsck/config.h b/keyboards/eco/keymaps/fsck/config.h
new file mode 100644
index 000000000..b0a7901b2
--- /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 .
+ */
+
+#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 000000000..8d7cb89c1
--- /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 .
+ */
+#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 000000000..1f3678daf
--- /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 000000000..8fb2adf38
--- /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 000000000..bf25da3a6
--- /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 000000000..cac5d554e
--- /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 .
+ */
+#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 000000000..755da3e21
--- /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 000000000..bd0181d62
--- /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 000000000..b06980c5b
--- /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 000000000..97a0ed608
--- /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 .
+ */
+
+#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 000000000..e459884eb
--- /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 000000000..dcf16bef3
--- /dev/null
+++ b/keyboards/preonic/keymaps/fsck/rules.mk
@@ -0,0 +1 @@
+SRC += muse.c