[Keyboard] Added IVY macropad (#6211)

* Added initial files for the Adron  3-key macro pad

* Refactor of "adron_pad" to "ivy", cleaned up the readme and removed un-needed keymap as well.

* Made suggested changes to commit for PR

* Removed unneeded define block from SUBPROJECT_rev1 as it is redundant (Thanks drashna ;) )

keyboards/ivy/config.h

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+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+
+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       0x1337
+#define PRODUCT_ID      0x6012
+#define MANUFACTURER    Maple Computing
+#define PRODUCT         Ivy
+#define DESCRIPTION     A 3 key macro pad
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 3
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* Set 0 if debouncing isn't 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
+
+#define BACKLIGHT_PIN D2
+
+/* number of backlight levels */
+#define BACKLIGHT_LEVELS 3
+
+/*
+ * 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

keyboards/ivy/ivy.c

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+#include "ivy.h"

keyboards/ivy/ivy.h

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+#pragma once
+
+#ifdef KEYBOARD_ivy_rev1
+    #include "rev1.h"
+#endif
+
+#include "quantum.h"

keyboards/ivy/keymaps/default/keymap.c

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+#include QMK_KEYBOARD_H
+
+extern keymap_config_t keymap_config;
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+
+enum pad_layers {
+  _L1,
+  _FUNC
+};
+
+// Defines for task manager and such
+#define CALTDEL LCTL(LALT(KC_DEL))
+#define TSKMGR LCTL(LSFT(KC_ESC))
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Layer 1
+ * ,------.
+ * |  1   |
+ * |------|
+ * |  2   |
+ * |------|
+ * |  FN  |
+ * `------'
+ */
+[_L1] = LAYOUT( \
+    KC_1, \
+    KC_2, \
+    MO(_FUNC)  \
+),
+
+[_FUNC] = LAYOUT( \
+    CALTDEL, \
+    TSKMGR, \
+    _______ \
+)
+
+};
+
+void matrix_init_user(void) {
+
+}

keyboards/ivy/keymaps/default/rules.mk

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+
+
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in 
+#   the appropriate keymap folder that will get included automatically
+#
+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 = no         # Console for debug(+400)
+COMMAND_ENABLE = no        # Commands for debug and configuration
+NKRO_ENABLE = yes            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no          # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight. 
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
+

keyboards/ivy/readme.md

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+IVY
+===
+
+![Ivy](https://i.imgur.com/fnVQet6.jpg)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make ivy/rev1:default
+    
+Install examples:
+
+    make ivy/rev1:default:dfu
+
+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/ivy/rev1/config.h

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+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+
+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
+
+#define DEVICE_VER      0x0001
+
+/* Let's Macro V2 pin-out */
+#define MATRIX_ROW_PINS { F1, B2, D3 }
+#define MATRIX_COL_PINS { F5, B3, D5 }
+#define UNUSED_PINS
+
+#define DIODE_DIRECTION COL2ROW

keyboards/ivy/rev1/rev1.c

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+#include "ivy.h"
+
+void matrix_init_kb(void) {
+	matrix_init_user();
+};

keyboards/ivy/rev1/rev1.h

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+#pragma once
+
+#include "ivy.h"
+
+#define LAYOUT( \
+	K00, \
+    K01, \
+    K02  \
+	) \
+	{ \
+		{ K00, KC_NO, KC_NO }, \
+		{ KC_NO, K01, KC_NO }, \
+		{ KC_NO, KC_NO, K02 }, \
+	}

keyboards/ivy/rev1/rules.mk

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+BACKLIGHT_ENABLE = yes
+RGBLIGHT_ENABLE = no
+AUDIO_ENABLE = no

keyboards/ivy/rules.mk

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+# MCU name
+#MCU = at90usb1287
+MCU = atmega32u4
+
+# Processor frequency.
+#     This will define a symbol, F_CPU, in all source code files equal to the
+#     processor frequency in Hz. You can then use this symbol in your source code to
+#     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+#     automatically to create a 32-bit value in your source code.
+#
+#     This will be an integer division of F_USB below, as it is sourced by
+#     F_USB after it has run through any CPU prescalers. Note that this value
+#     does not *change* the processor frequency - it should merely be updated to
+#     reflect the processor speed set externally so that the code can use accurate
+#     software delays.
+F_CPU = 16000000
+
+#
+# LUFA specific
+#
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+#     This will define a symbol, F_USB, in all source code files equal to the
+#     input clock frequency (before any prescaling is performed) in Hz. This value may
+#     differ from F_CPU if prescaling is used on the latter, and is required as the
+#     raw input clock is fed directly to the PLL sections of the AVR for high speed
+#     clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+#     at the end, this will be done automatically to create a 32-bit value in your
+#     source code.
+#
+#     If no clock division is performed on the input clock inside the AVR (via the
+#     CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+# Bootloader
+#     This definition is optional, and if your keyboard supports multiple bootloaders of
+#     different sizes, comment this out, and the correct address will be loaded 
+#     automatically (+60). See bootloader.mk for all options.
+BOOTLOADER = caterina
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in 
+#   the appropriate keymap folder that will get included automatically
+#
+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 = no         # Console for debug(+400)
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no           # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.
+API_SYSEX_ENABLE = no
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
+
+DEFAULT_FOLDER = ivy/rev1