[Keyboard] Add MachKeyboards Mach3 (#14791)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/machkeyboards/mach3/config.h

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+/* Copyright 2021 Mach Keyboards
+
+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       0x4D41
+#define PRODUCT_ID      0x4D33
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    MachKeyboard
+#define PRODUCT         Mach33
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 3
+
+/* key pins */
+#define MATRIX_ROW_PINS { D1, D0, D4 }
+#define MATRIX_COL_PINS { E6, B4, B5 }
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+/* backlight */
+#define BACKLIGHT_PIN B6
+#define BACKLIGHT_BREATHING
+#define BACKLIGHT_LEVELS 5
+
+/* debounce */
+#define DEBOUNCE 5

keyboards/machkeyboards/mach3/info.json

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+{
+    "keyboard_name": "Mach 3",
+    "url": "https://machkeyboards.com",
+    "maintainer": "etiennelepagel",
+    "layouts": {
+        "LAYOUT_3x3": {
+            "layout": [
+                {
+                    "x": 0,
+                    "y": 0
+                },
+                {
+                    "x": 1,
+                    "y": 0
+                },
+                {
+                    "x": 2,
+                    "y": 0
+                },
+                {
+                    "x": 0,
+                    "y": 1
+                },
+                {
+                    "x": 1,
+                    "y": 1
+                },
+                {
+                    "x": 2,
+                    "y": 1
+                },
+                {
+                    "x": 0,
+                    "y": 2
+                },
+                {
+                    "x": 1,
+                    "y": 2
+                },
+                {
+                    "x": 2,
+                    "y": 2
+                }
+            ]
+        }
+    }
+}

keyboards/machkeyboards/mach3/keymaps/default/keymap.c

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+/* Copyright 2021 Mach Keyboards
+ *
+ * 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_3x3(
+    BL_INC,    BL_DEC,    BL_BRTG,
+    BL_INC,    BL_DEC,    BL_BRTG,
+    BL_INC,    BL_DEC,    BL_BRTG
+  )
+};

keyboards/machkeyboards/mach3/keymaps/default/readme.md

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+# Default Mach 3 Keymap
+
+This is the default layout that comes with the Mach 3.
+The keys are set to only control the backlight.

keyboards/machkeyboards/mach3/keymaps/via/keymap.c

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+/* Copyright 2021 Mach Keyboards
+ *
+ * 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_3x3(
+    BL_INC,    BL_DEC,    BL_BRTG,
+    BL_INC,    BL_DEC,    BL_BRTG,
+    BL_INC,    BL_DEC,    BL_BRTG
+  )
+};

keyboards/machkeyboards/mach3/keymaps/via/rules.mk

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+VIA_ENABLE = yes
+LTO_ENABLE = yes

keyboards/machkeyboards/mach3/mach3.c

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+/* Copyright 2021 Mach Keyboards
+ *
+ * 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 "mach3.h"
+
+#ifdef RGB_MATRIX_ENABLE
+led_config_t g_led_config = { {
+  // Key Matrix to LED Index
+  {  0,  1,  2 },
+  {  7,  6,  5 },
+  {  8,  9, 10 },
+}, {
+  // LED Index to Physical Position
+  { 0,  0 },   { 112,  0 },   { 224,  0 },
+  { 0,  112 }, { 112,  112 }, { 224,  112 },
+  { 0,  224 }, { 112,  224 }, { 224,  224 },
+}, {
+  // LED Index to Flag
+  4, 4, 4,
+  4, 4, 4,
+  4, 4, 4
+} };
+#endif
+
+void keyboard_pre_init_kb(void) {
+  setPinOutput(F5);
+  writePinHigh(F5);
+  
+  keyboard_pre_init_user();
+}

keyboards/machkeyboards/mach3/mach3.h

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+/* Copyright 2021 Mach Keyboards
+ *
+ * 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 LAYOUT_3x3( \
+    K00, K01, K02, \
+    K10, K11, K12, \
+    K20, K21, K22  \
+  ) \
+  { \
+    { K00, K01, K02 }, \
+    { K10, K11, K12 }, \
+    { K20, K21, K22 }  \
+  }

keyboards/machkeyboards/mach3/readme.md

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+# Mach 3
+
+A 3x3 macropad with RGB underglow. 
+Note: It sets an output pin to high, which is the alimentation of the backlight circuit.
+
+* Keyboard Maintainer: [etiennelepagel](https://github.com/etiennelepagel)
+* Hardware Supported: Mach 3 from Mach Keyboards
+* Hardware Availability: [Mach Keyboards Official Website](https://machkeyboards.com/)
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB
+* **Keycode in layout**: Press the key mapped to `RESET` if it is available
+
+Make example for this keyboard (after setting up your build environment):
+
+    make machkeyboards/mach3: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).

keyboards/machkeyboards/mach3/rules.mk

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+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = caterina
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # 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 = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+UNICODE_ENABLE = yes
+BACKLIGHT_DRIVER = pwm

keyboards/machkeyboards/readme.md

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+# Mach Keyboards
+
+Mach Keyboards focus itself on selling the best macropad in the world.
+
+[Mach Keyboards Official Website](https://machkeyboards.com)  
+[Discord](https://discord.gg/ukFKFc7eXy)  
+[Instagram](https://www.instagram.com/machkeyboards)