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-rw-r--r--layouts/community/split_3x6_3/bcat/config.h34
-rw-r--r--layouts/community/split_3x6_3/bcat/keymap.c72
-rw-r--r--layouts/community/split_3x6_3/bcat/readme.md126
-rw-r--r--layouts/community/split_3x6_3/bcat/rules.mk10
4 files changed, 242 insertions, 0 deletions
diff --git a/layouts/community/split_3x6_3/bcat/config.h b/layouts/community/split_3x6_3/bcat/config.h
new file mode 100644
index 0000000000..e177f0ffcb
--- /dev/null
+++ b/layouts/community/split_3x6_3/bcat/config.h
@@ -0,0 +1,34 @@
+/* Copyright 2020 Jonathan Rascher
+ *
+ * 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
+
+#if defined(KEYBOARD_crkbd_rev1_common) || defined(KEYBOARD_crkbd_rev1_legacy)
+# define EE_HANDS
+
+# if defined(RGBLIGHT_ENABLE)
+/* Configure RGB for underglow only (first six LEDs on each side). */
+# undef RGBLED_SPLIT
+# define RGBLED_SPLIT \
+ { 6, 6 }
+# endif
+
+# if defined(RGB_MATRIX_ENABLE)
+/* Limit max RGB LED current to avoid tripping controller fuse. */
+# undef RGB_MATRIX_MAXIMUM_BRIGHTNESS
+# define RGB_MATRIX_MAXIMUM_BRIGHTNESS 150
+# endif
+#endif
diff --git a/layouts/community/split_3x6_3/bcat/keymap.c b/layouts/community/split_3x6_3/bcat/keymap.c
new file mode 100644
index 0000000000..934a8e31f2
--- /dev/null
+++ b/layouts/community/split_3x6_3/bcat/keymap.c
@@ -0,0 +1,72 @@
+/* Copyright 2020 Jonathan Rascher
+ *
+ * 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 "bcat.h"
+
+enum layer {
+ LAYER_DEFAULT,
+ LAYER_LOWER,
+ LAYER_RAISE,
+ LAYER_ADJUST,
+};
+
+#define LY_LWR MO(LAYER_LOWER)
+#define LY_RSE MO(LAYER_RAISE)
+
+#define KY_CSPC LCTL(KC_SPC)
+#define KY_ZMIN LCTL(KC_EQL)
+#define KY_ZMOUT LCTL(KC_MINS)
+#define KY_ZMRST LCTL(KC_0)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* Default layer: http://www.keyboard-layout-editor.com/#/gists/08d9827d916662a9414f48805aa895a5 */
+ [LAYER_DEFAULT] = LAYOUT_split_3x6_3(
+ 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_RSFT,
+ KC_LCTL, LY_LWR, KC_SPC, KC_ENT, LY_RSE, KC_RALT
+ ),
+
+ /* Lower layer: http://www.keyboard-layout-editor.com/#/gists/c3fba5eaa2cd70fdfbdbc0f9e34d3bc0 */
+ [LAYER_LOWER] = LAYOUT_split_3x6_3(
+ MC_ALTT, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, _______,
+ KY_CSPC, KY_ZMRST, KY_ZMOUT, KY_ZMIN, KC_WBAK, KC_WFWD, KC_PIPE, KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_TILD,
+ _______, KC_APP, KC_PSCR, KC_SLCK, KC_PAUS, KC_LGUI, KC_BSLS, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_GRV,
+ _______, _______, _______, _______, _______, _______
+ ),
+
+ /* Raise layer: http://www.keyboard-layout-editor.com/#/gists/08b44355d4ca85d294bad9e2821f91d7 */
+ [LAYER_RAISE] = LAYOUT_split_3x6_3(
+ KC_CAPS, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______,
+ _______, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, KC_F11, KC_DEL,
+ _______, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_HOME, KC_PGDN, KC_PGUP, KC_END, KC_F12, KC_INS,
+ _______, _______, _______, _______, _______, _______
+ ),
+
+ /* Adjust layer: http://www.keyboard-layout-editor.com/#/gists/77e7572e077b36a23eb2086017e16fee */
+ [LAYER_ADJUST] = LAYOUT_split_3x6_3(
+ _______, NK_TOGG, KC_MPLY, KC_VOLU, KC_MSTP, _______, EEP_RST, RESET, _______, _______, _______, _______,
+ _______, _______, KC_MPRV, KC_VOLD, KC_MNXT, _______, RGB_RMOD, RGB_VAD, RGB_VAI, RGB_MOD, RGB_SPI, _______,
+ _______, _______, _______, KC_MUTE, _______, _______, RGB_HUI, RGB_SAD, RGB_SAI, RGB_HUD, RGB_SPD, _______,
+ _______, _______, _______, RGB_TOG, _______, _______
+ ),
+};
+
+layer_state_t layer_state_set_keymap(layer_state_t state) {
+ return update_tri_layer_state(state, LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
+}
diff --git a/layouts/community/split_3x6_3/bcat/readme.md b/layouts/community/split_3x6_3/bcat/readme.md
new file mode 100644
index 0000000000..ed17b84186
--- /dev/null
+++ b/layouts/community/split_3x6_3/bcat/readme.md
@@ -0,0 +1,126 @@
+# bcat's split 3x6 + 3 thumb keys layout
+
+This is my favorite split ergo layout for typing, featuring the traditional
+four ortho/ergo layers (Default, Lower, Raise, Adjust). It is loosely inspired
+by the default Planck (numbers on Lower, symbols on Raise) and Crkbd (Space on
+left, Enter on right) layouts, but has since been redesigned heavily according
+to the principles described below.
+
+* Since my most-frequently-used keyboard shortcuts involve Ctrl, which lives on
+the left half of the keyboard, keys frequently used with it (numbers, function
+keys, etc.) are on the Raise layer activated by the right thumb.
+
+* Navigation can be done on the right half alone, to enable simultaneous
+left-handed mousing. Additionally, Web pages can be scrolled with Space or
+Shift+Space on the left half alone, to enable taking notes with the right hand
+at the same time.
+
+* Other than Right Shift (which I seldom use), mods aren't rebound on layers.
+
+* Likewise, Backspace is not rebound on layers to avoid having to let go of
+layer-switch keys to correct mistakes.
+
+## Default layer
+
+![Default layer layout](https://i.imgur.com/g5N7g8D.png)
+
+([KLE](http://www.keyboard-layout-editor.com/#/gists/08d9827d916662a9414f48805aa895a5))
+
+* The alpha keys are a standard QWERTY layout, no funny business there.
+
+* Tab and Backspace are in familiar locations from my row-staggered boards
+(almost all of which use HHKB-style split backspace).
+
+* The Esc key is next to the home row for convenience in Vim.
+
+* There are two Shift keys, although I generally use Left Shift. (I've
+considered replacing Right Shift with another key, but haven't chosen one.)
+
+* Lower and Raise layer-switch keys are in the resting position of my left and
+right thumbs, respectively.
+
+* Space and Enter are on the big thumb keys so they're easy to press.
+
+* Ctrl is on the left for ease of chording, especially one-handed use of common
+shortcuts like Ctrl+T and Ctrl+W. This puts Alt on the right by the process of
+elimination. (I would really like one more 1U thumb key on each half to allow
+for a redundant Alt key on the left and a dedicated Super key on the right.)
+
+## Lower layer
+
+![Lower layer layout](https://i.imgur.com/vaIc9JY.png)
+
+([KLE](http://www.keyboard-layout-editor.com/#/gists/c3fba5eaa2cd70fdfbdbc0f9e34d3bc0))
+
+* This could also be called the "symbol layer".
+
+* Shifted numbers are bound in their usual positions on the top row.
+
+* Hyphen/Underscore and Equals/Plus are in the right index- and middle-finger
+columns for easy reach. They share the same relative position as on a
+row-staggered keyboard, and the shifted versions are physically above the
+unshifted versions as a mnemonic device.
+
+* Brackets and braces are placed below the parens for easy recall. Once again,
+the shifted versions are on the home row and the unshifted versions are on the
+bottom row.
+
+* Forward Slash/Pipe and Backtick/Tilde fill out the remaining positions on the
+right half, with the same relative positions as on a row-staggered HHKB layout.
+And yup, the shifted versions are above the unshifted versions.
+
+* Remaining keys from a TKL are placed out of the way on the bottom row of the
+left half.
+
+* The home row on the left half contains handy shortcuts for zooming and browser
+navigation.
+
+* Lower+Esc is bound to Ctrl+Space because the Ctrl and Space keys are both on
+the left thumb, so this key combination (which I use for tmux prefix and editor
+autocomplete) is hard to press in its natural location.
+
+* Lower+Tab is bound to a custom Alt+Tab macro that keeps the Alt modifier held
+as long as the Lower key is held down. This means that window switching is on
+Lower+Tab immediately next to browser tab switching (Ctrl+Tab).
+
+## Raise layer
+
+![Raise layer layout](https://i.imgur.com/VNEiV9A.png)
+
+([KLE](http://www.keyboard-layout-editor.com/#/gists/08b44355d4ca85d294bad9e2821f91d7))
+
+* This could also be called the "number layer".
+
+* Unshifted numbers are bound in their usual positions on the top row.
+
+* Arrow keys are on VIM-style HJKL keys.
+
+* Home/End and Page Up/Page Down are in the same column as the arrow keys, but
+translated down one row. (This means that the comma and period keys are not
+bound on the number layer, which makes data entry a bit funky. I might add a
+dedicated numpad layer to compensate.)
+
+* Function keys F1–F10 take up most of remaining space on the left half, with
+F11 and F12 spilling over to the right half. (This puts the most used function
+keys (F1–F5) on the home row.)
+
+* Insert and Delete are on the rightmost column, because there didn't seem to
+be a better place to put them.
+
+* Caps Lock is bound in the same position as on an HHKB, for lack of an obvious
+better location.
+
+## Adjust layer
+
+![Adjust layer layout](https://i.imgur.com/fZouko5.png)
+
+([KLE](http://www.keyboard-layout-editor.com/#/gists/77e7572e077b36a23eb2086017e16fee))
+
+* Media keys are centered around the ESDF cluster, just like I arrange them on
+row-staggered keyboards. (It's even more sensible with columnar stagger.)
+
+* The navigation keys are replaced by RGB controls. Again, this mirrors the
+positioning I use on my row-staggered keyboards.
+
+* Finally, reset keys live at the top-left corner of the right half where it's
+reasonably hard to press them by accident.
diff --git a/layouts/community/split_3x6_3/bcat/rules.mk b/layouts/community/split_3x6_3/bcat/rules.mk
new file mode 100644
index 0000000000..3a9796673e
--- /dev/null
+++ b/layouts/community/split_3x6_3/bcat/rules.mk
@@ -0,0 +1,10 @@
+ifeq ($(strip $(KEYBOARD)), crkbd/rev1/common)
+ BOOTLOADER = atmel-dfu # Elite-C
+
+ # Enable underglow only. (Split Common doesn't support RGB matrix on slave.)
+ RGBLIGHT_ENABLE = yes
+else ifeq ($(strip $(KEYBOARD)), crkbd/rev1/legacy)
+ BOOTLOADER = atmel-dfu # Elite-C
+
+ RGB_MATRIX_ENABLE = WS2812 # per-key RGB and underglow
+endif