[Keyboard] Add MNT Reform USB Keyboard (Standalone) (#15561)

Co-authored-by: Drashna Jaelre <drashna@live.com>

Co-authored-by: Drashna Jaelre <drashna@live.com>

8 files changed, 346 insertions, 0 deletions

diff --git a/keyboards/mntre/config.h b/keyboards/mntre/config.h
new file mode 100644
index 0000000000..9ee3d3f272
--- /dev/null
+++ b/keyboards/mntre/config.h
@@ -0,0 +1,101 @@
+// Copyright 2021 Cedric Vincent (@cdc-mkb)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID    0xFEED
+#define PRODUCT_ID   0x1302
+#define DEVICE_VER   0x0002
+#define MANUFACTURER MNT Research GmbH
+#define PRODUCT      MNT Reform USB Keyboard (Standalone)
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 14
+
+/*
+ * 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 { B6, B5, B4, D7, D6, D4 }
+#define MATRIX_COL_PINS { D5, F7, E6, C7, B3, B2, B1, B0, F0, F1, F4, F5, F6, C6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+#define BACKLIGHT_PIN B7
+#define BACKLIGHT_CUSTOM_RESOLUTION 0x400
+#define BACKLIGHT_LIMIT_VAL 84
+//#define BACKLIGHT_LEVELS 3
+//#define BACKLIGHT_BREATHING
+
+/* 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 useful 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
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+/* Bootmagic Lite key configuration */
+//#define BOOTMAGIC_LITE_ROW 0
+//#define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/mntre/info.json b/keyboards/mntre/info.json
new file mode 100644
index 0000000000..05e4bd4fd0
--- /dev/null
+++ b/keyboards/mntre/info.json
@@ -0,0 +1,98 @@
+{
+    "keyboard_name": "MNT Reform USB Keyboard (Standalone)",
+    "url": "https://shop.mntmn.com/products/mnt-reform-usb-keyboard-standalone",
+    "maintainer": "cdc-mkb",
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"label": "ESC", "x": 0,  "y": 0},
+                {"label": "F1",  "x": 1,  "y": 0},
+                {"label": "F2",  "x": 2,  "y": 0},
+                {"label": "F3",  "x": 3,  "y": 0},
+                {"label": "F4",  "x": 4,  "y": 0},
+                {"label": "F5",  "x": 5,  "y": 0},
+                {"label": "F6",  "x": 6,  "y": 0},
+                {"label": "F7",  "x": 7,  "y": 0},
+                {"label": "F8",  "x": 8,  "y": 0},
+                {"label": "F9",  "x": 9,  "y": 0},
+                {"label": "F10", "x": 10, "y": 0},
+                {"label": "F11", "x": 11, "y": 0},
+                {"label": "F12", "x": 12, "y": 0},
+                {"label": "NO",  "x": 13, "y": 0, "w": 1.5},
+
+                {"label": "GRAVE",  "x": 0,  "y": 1},
+                {"label": "1",      "x": 1,  "y": 1},
+                {"label": "2",      "x": 2,  "y": 1},
+                {"label": "3",      "x": 3,  "y": 1},
+                {"label": "4",      "x": 4,  "y": 1},
+                {"label": "5",      "x": 5,  "y": 1},
+                {"label": "6",      "x": 6,  "y": 1},
+                {"label": "7",      "x": 7,  "y": 1},
+                {"label": "8",      "x": 8,  "y": 1},
+                {"label": "9",      "x": 9,  "y": 1},
+                {"label": "0",      "x": 10, "y": 1},
+                {"label": "MINUS",  "x": 11, "y": 1},
+                {"label": "EQUAL",  "x": 12, "y": 1},
+                {"label": "BSPACE", "x": 13, "y": 1, "w": 1.5},
+
+                {"label": "TAB",      "x": 0,    "y": 2, "w": 1.5},
+                {"label": "Q",        "x": 1.5,  "y": 2},
+                {"label": "W",        "x": 2.5,  "y": 2},
+                {"label": "E",        "x": 3.5,  "y": 2},
+                {"label": "R",        "x": 4.5,  "y": 2},
+                {"label": "T",        "x": 5.5,  "y": 2},
+                {"label": "Y",        "x": 6.5,  "y": 2},
+                {"label": "U",        "x": 7.5,  "y": 2},
+                {"label": "I",        "x": 8.5,  "y": 2},
+                {"label": "O",        "x": 9.5,  "y": 2},
+                {"label": "P",        "x": 10.5, "y": 2},
+                {"label": "LBRACKET", "x": 11.5, "y": 2},
+                {"label": "RBRACKET", "x": 12.5, "y": 2},
+                {"label": "BSLASH",   "x": 13.5, "y": 2},
+
+                {"label": "LCTRL",  "x": 0,  "y": 3},
+                {"label": "APP",    "x": 1,  "y": 3},
+                {"label": "A",      "x": 2,  "y": 3},
+                {"label": "S",      "x": 3,  "y": 3},
+                {"label": "D",      "x": 4,  "y": 3},
+                {"label": "F",      "x": 5,  "y": 3},
+                {"label": "G",      "x": 6,  "y": 3},
+                {"label": "H",      "x": 7,  "y": 3},
+                {"label": "J",      "x": 8,  "y": 3},
+                {"label": "K",      "x": 9,  "y": 3},
+                {"label": "L",      "x": 10, "y": 3},
+                {"label": "SCOLON", "x": 11, "y": 3},
+                {"label": "QUOTE",  "x": 12, "y": 3},
+                {"label": "ENTER",  "x": 13, "y": 3, "w": 1.5},
+
+                {"label": "LSHIFT", "x": 0,    "y": 4, "w": 1.5},
+                {"label": "DEL",    "x": 1.5,  "y": 4},
+                {"label": "Z",      "x": 2.5,  "y": 4},
+                {"label": "X",      "x": 3.5,  "y": 4},
+                {"label": "C",      "x": 4.5,  "y": 4},
+                {"label": "V",      "x": 5.5,  "y": 4},
+                {"label": "B",      "x": 6.5,  "y": 4},
+                {"label": "N",      "x": 7.5,  "y": 4},
+                {"label": "M",      "x": 8.5,  "y": 4},
+                {"label": "COMMA",  "x": 9.5,  "y": 4},
+                {"label": "DOT",    "x": 10.5, "y": 4},
+                {"label": "SLASH",  "x": 11.5, "y": 4},
+                {"label": "UP",     "x": 12.5, "y": 4},
+                {"label": "RSHIFT", "x": 13.5, "y": 4},
+
+                {"label": "RGUI",    "x": 0,   "y": 5, "w": 1.5},
+                {"label": "LGUI",    "x": 1.5, "y": 5, "w": 1.5},
+                {"label": "RCTRL",   "x": 3,   "y": 5, "w": 1.5},
+                {"label": "SPACE",   "x": 4.5, "y": 5, "w": 1.5},
+                {"label": "LALT",    "x": 6,   "y": 5},
+                {"label": "RALT",    "x": 7,   "y": 5},
+                {"label": "SPACE",   "x": 8,   "y": 5, "w": 1.5},
+                {"label": "PGUP",    "x": 9.5,  "y": 5},
+                {"label": "PGDOWN",  "x": 10.5, "y": 5},
+                {"label": "LEFT",    "x": 11.5, "y": 5},
+                {"label": "DOWN",    "x": 12.5, "y": 5},
+                {"label": "RIGHT",   "x": 13.5, "y": 5},
+            ]
+        }
+    }
+}
diff --git a/keyboards/mntre/keymaps/default/keymap.c b/keyboards/mntre/keymaps/default/keymap.c
new file mode 100644
index 0000000000..4dcdebe31b
--- /dev/null
+++ b/keyboards/mntre/keymaps/default/keymap.c
@@ -0,0 +1,31 @@
+// Copyright 2021 Cedric Vincent (@cdc-mkb)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+    _BASE,
+    _FN,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base */
+    [_BASE] = LAYOUT(
+        KC_ESC,    KC_F1,   KC_F2,    KC_F3,    KC_F4,   KC_F5,   KC_F6,    KC_F7,   KC_F8,     KC_F9,    KC_F10,  KC_F11,      KC_F12,      MO(_FN),
+        KC_GRAVE,  KC_1,    KC_2,     KC_3,     KC_4,    KC_5,    KC_6,     KC_7,    KC_8,      KC_9,     KC_0,    KC_MINUS,    KC_EQUAL,    KC_BSPACE,
+        KC_TAB,    KC_Q,    KC_W,     KC_E,     KC_R,    KC_T,    KC_Y,     KC_U,    KC_I,      KC_O,     KC_P,    KC_LBRACKET, KC_RBRACKET, KC_BSLASH,
+        KC_LCTRL,  KC_APP,  KC_A,     KC_S,     KC_D,    KC_F,    KC_G,     KC_H,    KC_J,      KC_K,     KC_L,    KC_SCOLON,   KC_QUOTE,    KC_ENTER,
+        KC_LSHIFT, KC_DEL,  KC_Z,     KC_X,     KC_C,    KC_V,    KC_B,     KC_N,    KC_M,      KC_COMMA, KC_DOT,  KC_SLASH,    KC_UP,       KC_RSHIFT,
+        KC_RGUI,   KC_LGUI, KC_RCTRL, KC_SPACE, KC_LALT, KC_RALT, KC_SPACE, KC_PGUP, KC_PGDOWN, KC_LEFT,  KC_DOWN, KC_RIGHT
+    ),
+
+    [_FN] = LAYOUT(
+        _______, BL_DEC,   BL_INC,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______,  _______, _______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+    ),
+};
diff --git a/keyboards/mntre/keymaps/default/readme.md b/keyboards/mntre/keymaps/default/readme.md
new file mode 100644
index 0000000000..fecdb68ea4
--- /dev/null
+++ b/keyboards/mntre/keymaps/default/readme.md
@@ -0,0 +1,19 @@
+# Default layout of MNT Reform USB Keyboard (Standalone)
+
+This is exactly the same layout as in the original firmware.
+Backlight level can be decreased and increased using Fn+F1 and Fn+F2
+respectively.
+
+  ┏━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━┯━━━━━━━━━━┓
+  ┃  Esc │  F1  │  F2  │  F3  │  F4  │  F5  │  F6  │  F7  │  F8  │  F9  │  F10 │  F11 │  F12 │    Fn    ┃
+  ┠──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────────┨
+  ┃  `~  │  1!  │  2@  │  3#  │  4$  │  5%  │  6^  │  7&  │  8*  │  9(  │  0)  │  -_  │  =+  │ Backspace┃
+  ┠──────┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──────┨
+  ┃    Tab   │   Q  │   W  │   E  │   R  │   T  │   Y  │   U  │   I  │   O  │   P  │  [{  │  ]}  │  \|  ┃
+  ┠──────┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──┬───┴──────┨
+  ┃ LCtrl│  App │   A  │   S  │   D  │   F  │   G  │   H  │   J  │   K  │   L  │  ;:  │  '"  │   Enter  ┃
+  ┠──────┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──┴───┬──────┨
+  ┃  LShift  │  Del │   Z  │   X  │   C  │   V  │   B  │   N  │   M  │  ,<  │  .>  │  /?  │  Up  │RShift┃
+  ┠──────────┼──────┴──┬───┴──────┼──────┴──┬───┴──┬───┴──┬───┴──────┼──────┼──────┼──────┼──────┼──────┨
+  ┃   RGUI   │   LGUI  │   RCtrl  │  Space  │ LAlt │ RAlt │  Space   │ PgUp │ PgDn │ Left │ Down │ Right┃
+  ┗━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━┷━━━━━━┷━━━━━━┷━━━━━━━━━━┷━━━━━━┷━━━━━━┷━━━━━━┷━━━━━━┷━━━━━━┛
diff --git a/keyboards/mntre/mntre.c b/keyboards/mntre/mntre.c
new file mode 100644
index 0000000000..c21070b23b
--- /dev/null
+++ b/keyboards/mntre/mntre.c
@@ -0,0 +1,19 @@
+// Copyright 2021 Cedric Vincent (@cdc-mkb)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "mntre.h"
+
+#ifdef OLED_ENABLE
+bool oled_task_kb(void) {
+    if (!oled_task_user()) { return false; }
+
+    static const char PROGMEM qmk_logo[] = {
+        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94,
+        0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4,
+        0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0x00
+    };
+
+    oled_write_P(qmk_logo, false);
+    return true;
+}
+#endif
diff --git a/keyboards/mntre/mntre.h b/keyboards/mntre/mntre.h
new file mode 100644
index 0000000000..8a48114423
--- /dev/null
+++ b/keyboards/mntre/mntre.h
@@ -0,0 +1,30 @@
+// Copyright 2021 Cedric Vincent (@cdc-mkb)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "quantum.h"
+
+/* This is 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( \
+  k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, k0d, \
+  k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k1d, \
+  k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k2c, k2d, \
+  k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d, \
+  k40, k41, k42, k43, k44, k45, k46, k47, k48, k49, k4a, k4b, k4c, k4d, \
+  k50, k51, k52, k53, k54, k55, k56, k57, k58, k59, k5a, k5b \
+) { \
+  { k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, k0d }, \
+  { k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k1d }, \
+  { k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k2c, k2d }, \
+  { k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d }, \
+  { k40, k41, k42, k43, k44, k45, k46, k47, k48, k49, k4a, k4b, k4c, k4d }, \
+  { k50, k51, k52, k53, k54, k55, k56, k57, k58, k59, k5a, k5b, KC_NO, KC_NO } \
+}
diff --git a/keyboards/mntre/readme.md b/keyboards/mntre/readme.md
new file mode 100644
index 0000000000..4c827aeb25
--- /dev/null
+++ b/keyboards/mntre/readme.md
@@ -0,0 +1,27 @@
+# MNT Reform USB Keyboard (Standalone)
+
+![MNT Reform USB Keyboard (Standalone)](https://shop.mntmn.com/spree/products/117/large/reform-standalone-black-full.jpg)
+
+A compact and slim mechanical keyboard designed for comfort and portability.
+
+* Keyboard QMK port Maintainer: [cdc-mkb](https://github.com/cdc-mkb)
+* Hardware Supported: MNT Reform USB Keyboard (Standalone)
+* Hardware Availability: https://shop.mntmn.com/products/mnt-reform-usb-keyboard-standalone
+
+Make example for this keyboard (after setting up your build environment):
+
+    make mntre:default
+
+Flashing example for this keyboard:
+
+    make mntre:default:flash
+
+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).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the "Esc" key and plug in the keyboard
+* **Keycode in layout**: Press the key mapped to `RESET` if it is available (default: "Circle" + "R")
+* **Physical reset button**: Remove the keyboard’s frame and toggle the programming DIP switch SW84 on the keyboard to “ON”.  Then press the reset button SW83.
diff --git a/keyboards/mntre/rules.mk b/keyboards/mntre/rules.mk
new file mode 100644
index 0000000000..0159e4da7e
--- /dev/null
+++ b/keyboards/mntre/rules.mk
@@ -0,0 +1,21 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = no        # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+OLED_ENABLE = yes
+BACKLIGHT_DRIVER = pwm
+