A keyboards/handwired/evk/info.json => keyboards/handwired/evk/info.json +4 -0
@@ 0,0 1,4 @@
+{
+ "manufacturer": "YangPiCui",
+ "maintainer": "YangPiCui"
+}
A keyboards/handwired/evk/readme.md => keyboards/handwired/evk/readme.md +6 -0
@@ 0,0 1,6 @@
+# [Ergonomic Vertical Keyboard (EVK)](https://github.com/YangPiCui/ErgonomicVerticalKeyboard)
+
+The Ergonomic Vertical Keyboard (EVK) deletes our humpback.
+
+* Maintainer: [YangPiCui](https://github.com/YangPiCui)
+* Hardware Availability: Upon Custom Ordering<
\ No newline at end of file
A keyboards/handwired/evk/v1_3/config.h => keyboards/handwired/evk/v1_3/config.h +148 -0
@@ 0,0 1,148 @@
+/*
+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
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xFEED
+#define PRODUCT_ID 0x0000
+#define DEVICE_VER 0x0001
+#define MANUFACTURER Yang Cui
+#define PRODUCT evk v1_3
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 16
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_ROW_PINS \
+ { B0, B1, B2, B3, B7, D0 }
+#define MATRIX_COL_PINS \
+ { D1, D2, D3, C6, C7, F0, F1, F4, F5, F6, F7, B6, B5, B4, D7, D6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION ROW2COL // the current flows into the rows and then out of the columns
+
+/* define whiche Pins to use for the status LEDs*/
+#define LED_CAPS_LOCK_PIN D4
+
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+// #define SOFT_SERIAL_PIN D2 // or D1, D2, D3, E6
+
+// #define BACKLIGHT_PIN B7
+// #define BACKLIGHT_BREATHING
+// #define BACKLIGHT_LEVELS 3
+
+// #define RGB_DI_PIN E2
+// #ifdef RGB_DI_PIN
+// #define RGBLED_NUM 16
+// #define RGBLIGHT_HUE_STEP 8
+// #define RGBLIGHT_SAT_STEP 8
+// #define RGBLIGHT_VAL_STEP 8
+// #define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+// #define RGBLIGHT_SLEEP /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+// /*== all animations enable ==*/
+// #define RGBLIGHT_ANIMATIONS
+// /*== or choose animations ==*/
+// #define RGBLIGHT_EFFECT_BREATHING
+// #define RGBLIGHT_EFFECT_RAINBOW_MOOD
+// #define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+// #define RGBLIGHT_EFFECT_SNAKE
+// #define RGBLIGHT_EFFECT_KNIGHT
+// #define RGBLIGHT_EFFECT_CHRISTMAS
+// #define RGBLIGHT_EFFECT_STATIC_GRADIENT
+// #define RGBLIGHT_EFFECT_RGB_TEST
+// #define RGBLIGHT_EFFECT_ALTERNATING
+// /*== customize breathing effect ==*/
+// /*==== (DEFAULT) use fixed table instead of exp() and sin() ====*/
+// #define RGBLIGHT_BREATHE_TABLE_SIZE 256 // 256(default) or 128 or 64
+// /*==== use exp() and sin() ====*/
+// #define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 // 1 to 2.7
+// #define RGBLIGHT_EFFECT_BREATHE_MAX 255 // 0 to 255
+// #endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is userful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+// #define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Feature disable options
+ * These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+
+/* Bootmagic Lite key configuration */
+// #define BOOTMAGIC_LITE_ROW 0
+// #define BOOTMAGIC_LITE_COLUMN 0
A keyboards/handwired/evk/v1_3/info.json => keyboards/handwired/evk/v1_3/info.json +101 -0
@@ 0,0 1,101 @@
+{
+ "keyboard_name": "Ergonomic Vertical Keyboard (EVK) version 1.3 with Teensy 2.0",
+ "url": "https://github.com/YangPiCui/ErgonomicVerticalKeyboard",
+ "maintainer": "YangPiCui",
+ "width": 22.75,
+ "height": 7.5,
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {"label":"k0A", "x":0, "y":0.5, "w":1.25, "h":1.25},
+ {"label":"k0B", "x":1.25, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0C", "x":2.5, "y":0, "w":1.25, "h":1.25},
+ {"label":"k0D", "x":3.75, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0E", "x":5, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0F", "x":6.25, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0G", "x":8.75, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0H", "x":10, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0I", "x":11.25, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0J", "x":12.5, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0K", "x":15.25, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0L", "x":16.5, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0M", "x":17.75, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0N", "x":19, "y":0, "w":1.25, "h":1.25},
+ {"label":"k0O", "x":20.25, "y":0.25, "w":1.25, "h":1.25},
+ {"label":"k0P", "x":21.5, "y":0.5, "w":1.25, "h":1.25},
+ {"label":"k1A", "x":0, "y":1.75, "w":1.25, "h":1.25},
+ {"label":"k1B", "x":1.25, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1C", "x":2.5, "y":1.25, "w":1.25, "h":1.25},
+ {"label":"k1D", "x":3.75, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1E", "x":5, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1F", "x":6.25, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1G", "x":8.75, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1H", "x":10, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1I", "x":11.25, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1J", "x":12.5, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1K", "x":15.25, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1L", "x":16.5, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1M", "x":17.75, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1N", "x":19, "y":1.25, "w":1.25, "h":1.25},
+ {"label":"k1O", "x":20.25, "y":1.5, "w":1.25, "h":1.25},
+ {"label":"k1P", "x":21.5, "y":1.75, "w":1.25, "h":1.25},
+ {"label":"k2A", "x":0, "y":3, "w":1.25, "h":1.25},
+ {"label":"k2B", "x":1.25, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2C", "x":2.5, "y":2.5, "w":1.25, "h":1.25},
+ {"label":"k2D", "x":3.75, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2E", "x":5, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2F", "x":6.25, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2G", "x":8.75, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2H", "x":10, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2I", "x":11.25, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2J", "x":12.5, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2K", "x":15.25, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2L", "x":16.5, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2M", "x":17.75, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2N", "x":19, "y":2.5, "w":1.25, "h":1.25},
+ {"label":"k2O", "x":20.25, "y":2.75, "w":1.25, "h":1.25},
+ {"label":"k2P", "x":21.5, "y":3, "w":1.25, "h":1.25},
+ {"label":"k3A", "x":0, "y":4.25, "w":1.25, "h":1.25},
+ {"label":"k3B", "x":1.25, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3C", "x":2.5, "y":3.75, "w":1.25, "h":1.25},
+ {"label":"k3D", "x":3.75, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3E", "x":5, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3F", "x":6.75, "y":4.5, "w":1.25, "h":1.25},
+ {"label":"k3G", "x":8.75, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3H", "x":10, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3I", "x":11.25, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3J", "x":12.5, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3K", "x":14.75, "y":4.5, "w":1.25, "h":1.25},
+ {"label":"k3L", "x":16.5, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3M", "x":17.75, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3N", "x":19, "y":3.75, "w":1.25, "h":1.25},
+ {"label":"k3O", "x":20.25, "y":4, "w":1.25, "h":1.25},
+ {"label":"k3P", "x":21.5, "y":4.25, "w":1.25, "h":1.25},
+ {"label":"k4A", "x":0, "y":5.5, "w":1.25, "h":1.25},
+ {"label":"k4B", "x":1.25, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4C", "x":2.5, "y":5, "w":1.25, "h":1.25},
+ {"label":"k4D", "x":3.75, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4E", "x":5.5, "y":5.75, "w":1.25, "h":1.25},
+ {"label":"k4F", "x":6.75, "y":5.75, "w":1.25, "h":1.25},
+ {"label":"k4G", "x":8.75, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4H", "x":10, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4I", "x":11.25, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4J", "x":12.5, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4K", "x":14.75, "y":5.75, "w":1.25, "h":1.25},
+ {"label":"k4L", "x":16, "y":5.75, "w":1.25, "h":1.25},
+ {"label":"k4M", "x":17.75, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4N", "x":19, "y":5, "w":1.25, "h":1.25},
+ {"label":"k4O", "x":20.25, "y":5.25, "w":1.25, "h":1.25},
+ {"label":"k4P", "x":21.5, "y":5.5, "w":1.25, "h":1.25},
+ {"label":"k5B", "x":1.25, "y":6.5, "w":1.25, "h":1.25},
+ {"label":"k5C", "x":2.5, "y":6.25, "w":1.25, "h":1.25},
+ {"label":"k5G", "x":8.75, "y":6.5, "w":1.25, "h":1.25},
+ {"label":"k5H", "x":10, "y":6.5, "w":1.25, "h":1.25},
+ {"label":"k5I", "x":11.25, "y":6.5, "w":1.25, "h":1.25},
+ {"label":"k5J", "x":12.5, "y":6.5, "w":1.25, "h":1.25},
+ {"label":"k5N", "x":19, "y":6.25, "w":1.25, "h":1.25},
+ {"label":"k5O", "x":20.25, "y":6.5, "w":1.25, "h":1.25}
+ ]
+ }
+ }
+}<
\ No newline at end of file
A keyboards/handwired/evk/v1_3/keymaps/default/keymap.c => keyboards/handwired/evk/v1_3/keymaps/default/keymap.c +34 -0
@@ 0,0 1,34 @@
+/*
+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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT(/* Base Layer (0th Layer) - default Layout */
+ KC_1, KC_2, KC_3, KC_4, KC_5, KC_ESC, TG(1), KC_PSCR, KC_INS, KC_APP, KC_CAPS, KC_6, KC_7, KC_8, KC_9, KC_0,
+ KC_Q, KC_H, KC_R, KC_F, KC_X, KC_LBRC, KC_F1, KC_F2, KC_F3, KC_F4, KC_RBRC, KC_BSPC, KC_Y, KC_O, KC_U, KC_J,
+ KC_L, KC_S, KC_N, KC_T, KC_D, KC_END, KC_F5, KC_F6, KC_F7, KC_F8, KC_DEL, KC_P, KC_I, KC_A, KC_E, KC_K,
+ KC_Z, KC_M, KC_C, KC_V, KC_B, KC_LCTL, KC_F9, KC_F10, KC_F11, KC_F12, KC_RCTL, KC_W, KC_G, KC_COMM, KC_DOT, KC_ENT,
+ KC_LALT, KC_MINS, KC_EQL, KC_TAB, KC_SPC, KC_LGUI, KC_HOME, KC_UP, KC_END, KC_PGUP, KC_RGUI, KC_SPC, KC_QUOT, KC_SCLN, KC_SLSH, KC_RALT,
+ KC_LSFT, KC_GRV, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, KC_BSLS, KC_RSFT
+ ),
+ [1] = LAYOUT(/* 1st Layer - Numpad Keys */
+ _______, _______, _______, _______, _______, _______, _______, KC_SLCK, KC_PAUS, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, KC_PSLS, KC_PAST, KC_PMNS, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, KC_P7, KC_P8, KC_P9, KC_PPLS, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, KC_P4, KC_P5, KC_P6, KC_PPLS, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, KC_P1, KC_P2, KC_P3, KC_PEQL, _______, _______, _______, _______, _______, _______,
+ _______, _______, KC_P0, KC_P0, KC_PDOT, KC_PENT, _______, _______
+ )
+};
A keyboards/handwired/evk/v1_3/keymaps/default/readme.md => keyboards/handwired/evk/v1_3/keymaps/default/readme.md +1 -0
@@ 0,0 1,1 @@
+# The default keymap for this version of the EVK<
\ No newline at end of file
A keyboards/handwired/evk/v1_3/readme.md => keyboards/handwired/evk/v1_3/readme.md +10 -0
@@ 0,0 1,10 @@
+# [Ergonomic Vertical Keyboard (EVK)](https://github.com/YangPiCui/ErgonomicVerticalKeyboard) version 1.3 with Teensy 2.0
+
+* Keyboard Maintainer: [YangPiCui](https://github.com/YangPiCui)
+* Hardware Supported: Ergonomic Vertical Keyboard (EVK) version 1.3 with Teensy 2.0
+
+Make example for this keyboard (after setting up your build environment):
+
+ make handwired/evk/v1_3:default
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
A keyboards/handwired/evk/v1_3/rules.mk => keyboards/handwired/evk/v1_3/rules.mk +22 -0
@@ 0,0 1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = halfkay
+
+# Build Options
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = yes # Console for debug
+COMMAND_ENABLE = yes # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no # USB Nkey Rollover
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no # Enable Bluetooth
+AUDIO_ENABLE = no # Audio output
A keyboards/handwired/evk/v1_3/v1_3.c => keyboards/handwired/evk/v1_3/v1_3.c +58 -0
@@ 0,0 1,58 @@
+/*
+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 "v1_3.h"
+
+// Optional override functions below.
+// You can leave any or all of these undefined.
+// These are only required if you want to perform custom actions.
+// For reference, visit https://docs.qmk.fm/#/custom_quantum_functions?id=layer-change-code
+
+// keyboard start-up codes
+// runs once when the firmware starts up
+void matrix_init_kb(void) {
+ // Set the LEDs pins
+ setPinOutput(D5); // Layer 1 Status LED
+
+ matrix_init_user();
+}
+
+// looping keyboard codes
+// runs every cycle (a lot)
+/*void matrix_scan_kb(void) {
+
+ matrix_scan_user();
+}*/
+
+// per-action keyboard codes
+// runs for every key-press action, just before processing by the firmware
+/*bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+
+ return process_record_user(keycode, record);
+}*/
+
+// Set LED based on layer
+__attribute__((weak)) layer_state_t layer_state_set_user(layer_state_t state) {
+ writePin(D5, layer_state_cmp(state, 1));
+ return state;
+}
+
+bool led_update_kb(led_t led_state) {
+ bool res = led_update_user(led_state);
+ if (res) {
+ // writePin sets the pin high for 1 and low for 0.
+ writePin(D4, led_state.caps_lock);
+ }
+ return res;
+}
A keyboards/handwired/evk/v1_3/v1_3.h => keyboards/handwired/evk/v1_3/v1_3.h +43 -0
@@ 0,0 1,43 @@
+/*
+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
+
+#include "quantum.h"
+
+#define XXX KC_NO
+
+/* This a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT(\
+ k0A, k0B, k0C, k0D, k0E, k0F, k0G, k0H, k0I, k0J, k0K, k0L, k0M, k0N, k0O, k0P, \
+ k1A, k1B, k1C, k1D, k1E, k1F, k1G, k1H, k1I, k1J, k1K, k1L, k1M, k1N, k1O, k1P, \
+ k2A, k2B, k2C, k2D, k2E, k2F, k2G, k2H, k2I, k2J, k2K, k2L, k2M, k2N, k2O, k2P, \
+ k3A, k3B, k3C, k3D, k3E, k3F, k3G, k3H, k3I, k3J, k3K, k3L, k3M, k3N, k3O, k3P, \
+ k4A, k4B, k4C, k4D, k4E, k4F, k4G, k4H, k4I, k4J, k4K, k4L, k4M, k4N, k4O, k4P, \
+ k5B, k5C, k5G, k5H, k5I, k5J, k5N, k5O \
+) { \
+ { k0A, k0B, k0C, k0D, k0E, k0F, k0G, k0H, k0I, k0J, k0K, k0L, k0M, k0N, k0O, k0P }, \
+ { k1A, k1B, k1C, k1D, k1E, k1F, k1G, k1H, k1I, k1J, k1K, k1L, k1M, k1N, k1O, k1P }, \
+ { k2A, k2B, k2C, k2D, k2E, k2F, k2G, k2H, k2I, k2J, k2K, k2L, k2M, k2N, k2O, k2P }, \
+ { k3A, k3B, k3C, k3D, k3E, k3F, k3G, k3H, k3I, k3J, k3K, k3L, k3M, k3N, k3O, k3P }, \
+ { k4A, k4B, k4C, k4D, k4E, k4F, k4G, k4H, k4I, k4J, k4K, k4L, k4M, k4N, k4O, k4P }, \
+ { XXX, k5B, k5C, XXX, XXX, XXX, k5G, k5H, k5I, k5J, XXX, XXX, XXX, k5N, k5O, XXX } \
+}