Add macro3 PCB support

keyboards/macro3/config.h

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+/* Copyright 2020 David Philip Barr <@davidphilipbarr>
+ * Copyright 2021 @filterpaper
+ *
+ * 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       0xC88B
+#define PRODUCT_ID      0x3388
+#define DEVICE_VER      0x0003
+#define MANUFACTURER    DPB
+#define PRODUCT         Macro3
+
+/* key matrix size */
+#define MATRIX_ROWS 2
+#define MATRIX_COLS 4
+
+/* key matrix pins */
+#define DIRECT_PINS { \
+    { D7, C6, D4, D1 }, \
+    { B1, B4, B5, B3 }  \
+}
+
+#define ENCODERS_PAD_A { D2, F7 }
+#define ENCODERS_PAD_B { D3, F6 }
+
+#define UNUSED_PINS
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* 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
+
+/* prevent stuck modifiers */
+#define PREVENT_STUCK_MODIFIERS
+
+/* Top right key */
+#define BOOTMAGIC_LITE_ROW 0
+#define BOOTMAGIC_LITE_COLUMN 3
+

keyboards/macro3/info.json

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+{
+    "keyboard_name": "Macro3",
+    "url": "https://github.com/davidphilipbarr/Macropads/tree/main/macro3",
+    "maintainer": "@davidphilipbarr",
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"x": 0, "y": 0},
+                {"x": 1, "y": 0},
+                {"x": 2, "y": 0},
+                {"x": 3, "y": 0},
+
+                {"x": 0, "y": 1},
+                {"x": 1, "y": 1},
+                {"x": 2, "y": 1},
+                {"x": 3, "y": 1},
+            ]
+        }
+    }
+}

keyboards/macro3/keymaps/default/keymap.c

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+/* Copyright 2020 David Philip Barr <@davidphilipbarr>
+ * Copyright 2021 @filterpaper
+ *
+ * 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(
+        KC_HOME, KC_MUTE, KC_MPLY, KC_MSEL,
+        KC_UNDO, KC_CUT,  KC_COPY, LT(1,KC_PSTE)
+    ),
+    [1] = LAYOUT(
+        _______, _______, _______, _______,
+        RESET,   _______, _______, _______
+    )
+};
+
+
+#ifdef ENCODER_ENABLE
+bool encoder_update_user(uint8_t index, bool clockwise) {
+    if (index == 1) {
+        if (clockwise) {
+            tap_code(KC_VOLD);
+        } else {
+            tap_code(KC_VOLU);
+        }
+    } else if (index == 0) {
+        if (clockwise) {
+            tap_code(KC_PGDN);
+        } else {
+            tap_code(KC_PGUP);
+        }
+    }
+    return false;
+}
+#endif
+

keyboards/macro3/macro3.c

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+/* Copyright 2020 David Philip Barr <@davidphilipbarr>
+ * Copyright 2021 @filterpaper
+ *
+ * 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 "macro3.h"
+

keyboards/macro3/macro3.h

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+/* Copyright 2020 David Philip Barr <@davidphilipbarr>
+ * Copyright 2021 @filterpaper
+ *
+ * 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 "quantum.h"
+
+#define LAYOUT( \
+    K00, K01, K02, K03, \
+    K10, K11, K12, K13  \
+) \
+{ \
+    { K00, K01, K02, K03 }, \
+    { K10, K11, K12, K13 }  \
+}
+

keyboards/macro3/readme.md

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+# Macro3
+
+![Macro3](https://github.com/davidphilipbarr/Macropads/raw/main/macro3/IMG_20200703_170424.jpg)
+
+Macro3 is a low-profile macro pad with encoder support designed by [@davidphilipbarr](https://github.com/davidphilipbarr) using direct micro-controller pin wiring.
+
+## Keyboard Info
+
+* Keyboard Maintainer: [davidphilipbarr](https://github.com/davidphilipbarr)
+* Hardware Supported: [Macro3](https://github.com/davidphilipbarr/Macropads/tree/main/macro3)
+* Hardware Availability: order PCBs with gerber file from the repository
+
+Make example for this keyboard (after setting up your build environment):
+
+    make macro3: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).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the top right key and plug in the controller.
+* **Physical reset button**: Briefly press the reset button soldered on the PCB.
+* **Keycode in layout**: Press the key mapped to `RESET` if it is configured.

keyboards/macro3/rules.mk

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+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+ENCODER_ENABLE = yes
+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 = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+UNICODE_ENABLE = yes        # Unicode
+AUDIO_ENABLE = no           # Audio output
+SPLIT_KEYBOARD = no         # Use shared split_common code
+