[Keyboard] Add BDN9 (#4919)

keyboards/bdn9/bdn9.c

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+#include "bdn9.h"

keyboards/bdn9/bdn9.h

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+/* Copyright 2019 Danny Nguyen <danny@keeb.io>
+ *
+ * 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"
+
+/* 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( \
+    KA1, KA2, KA3, \
+    KB1, KB2, KB3, \
+    KC1, KC2, KC3 \
+) \
+{ \
+    { KA1, KA2, KA3, KB1, KB2, KB3, KC1, KC2, KC3 } \
+}

keyboards/bdn9/config.h

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+/*
+Copyright 2019 Danny Nguyen <danny@keeb.io>
+
+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       0xCB10
+#define PRODUCT_ID      0x1133
+#define DEVICE_VER      0x0100
+#define MANUFACTURER    Keebio
+#define PRODUCT         BDN9
+#define DESCRIPTION     3x3 Macropad with Rotary Encoders
+
+/* key matrix size */
+#define MATRIX_ROWS 1
+#define MATRIX_COLS 9
+
+/* Keyboard Matrix Assignments */
+#define NO_PIN (~0)
+#define MATRIX_ROW_PINS { NO_PIN }
+#define MATRIX_COL_PINS { D2, D4, F4, D7, B1, B3, E6, B4, B2 }
+
+/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
+#define DIODE_DIRECTION COL2ROW
+
+#define NUMBER_OF_ENCODERS 2
+#define ENCODERS_PAD_A { D1, F5 }
+#define ENCODERS_PAD_B { D0, F6 }
+
+
+#define BACKLIGHT_PIN B5
+// #define BACKLIGHT_BREATHING
+#define BACKLIGHT_LEVELS 7
+
+#define RGB_DI_PIN D3
+#ifdef RGB_DI_PIN
+  #define RGBLED_NUM 3
+  #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
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCING_DELAY 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
+
+/* key combination for magic key command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)

keyboards/bdn9/keymaps/default/keymap.c

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+/* Copyright 2019 Danny Nguyen <danny@keeb.io>
+ *
+ * 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_A,    KC_B,    KC_C, \
+        BL_STEP, KC_UP,   RGB_MOD, \
+        KC_LEFT, KC_DOWN, KC_RGHT \
+    ),
+};
+
+void encoder_update_user(uint8_t index, bool clockwise) {
+    if (index == 0) {
+        if (clockwise) {
+            tap_code(KC_PGDN);
+        } else {
+            tap_code(KC_PGUP);
+        }
+    }
+    else if (index == 1) {
+        if (clockwise) {
+            tap_code(KC_DOWN);
+        } else {
+            tap_code(KC_UP);
+        }
+    }
+}

keyboards/bdn9/readme.md

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+# BDN9
+
+![BDN9](https://cdn.shopify.com/s/files/1/1851/5125/products/image_bd8d9423-950e-4aad-bea5-665d896f879a_530x@2x.jpg?v=1547909493)
+
+A 3x3 macropad with support for a rotary encoder at the upper two corners.
+
+Keyboard Maintainer: [Bakingpy/nooges](https://github.com/nooges)  
+Hardware Supported: Pro Micro, Elite-C, Proton C   
+Hardware Availability: [Keebio - BDN9](https://keeb.io/products/bdn9-3x3-9-key-macropad-rotary-encoder-support) 
+
+Make example for this keyboard (after setting up your build environment):
+
+    make bdn9: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/bdn9/rules.mk

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+MCU = atmega32u4
+F_CPU = 16000000
+ARCH = AVR8
+F_USB = $(F_CPU)
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   atmega32a    bootloadHID
+BOOTLOADER = caterina
+
+
+# If you don't know the bootloader type, then you can specify the
+# Boot Section Size in *bytes* by uncommenting out the OPT_DEFS line
+#   Teensy halfKay      512
+#   Teensy++ halfKay    1024
+#   Atmel DFU loader    4096
+#   LUFA bootloader     4096
+#   USBaspLoader        2048
+# OPT_DEFS += -DBOOTLOADER_SIZE=4096
+
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no      # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = no       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = yes        # Console for debug(+400)
+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 = yes       # Enable keyboard backlight functionality on B7 by default
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+MIDI_ENABLE = no            # MIDI support (+2400 to 4200, depending on config)
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no 		# Enable support for HD44780 based LCDs (+400)
+ENCODER_ENABLE = yes