From 2558466d78a2c2436dedeff593491bdb20780cfc Mon Sep 17 00:00:00 2001
From: pngu <34752364+itspngu@users.noreply.github.com>
Date: Tue, 11 Jun 2019 23:58:29 +0200
Subject: [PATCH] [Keyboard] Added idb 60 keyboard (#5994)

* Added idb 60 keyboard

* fixed info.json

* implemented revievers' suggested changes

* fixed an error

* implemented revievers' suggestions

* further cleanup

* implemented suggested changes

* fixed errors
---
 keyboards/idb_60/config.h                 | 170 ++++++++++++++++++++++
 keyboards/idb_60/idb_60.c                 |  23 +++
 keyboards/idb_60/idb_60.h                 |  38 +++++
 keyboards/idb_60/info.json                |  76 ++++++++++
 keyboards/idb_60/keymaps/default/keymap.c |  32 ++++
 keyboards/idb_60/keymaps/pngu/keymap.c    |  39 +++++
 keyboards/idb_60/readme.md                |  17 +++
 keyboards/idb_60/rules.mk                 |  65 +++++++++
 8 files changed, 460 insertions(+)
 create mode 100644 keyboards/idb_60/config.h
 create mode 100644 keyboards/idb_60/idb_60.c
 create mode 100644 keyboards/idb_60/idb_60.h
 create mode 100644 keyboards/idb_60/info.json
 create mode 100644 keyboards/idb_60/keymaps/default/keymap.c
 create mode 100644 keyboards/idb_60/keymaps/pngu/keymap.c
 create mode 100644 keyboards/idb_60/readme.md
 create mode 100644 keyboards/idb_60/rules.mk

diff --git a/keyboards/idb_60/config.h b/keyboards/idb_60/config.h
new file mode 100644
index 000000000..b85eb14af
--- /dev/null
+++ b/keyboards/idb_60/config.h
@@ -0,0 +1,170 @@
+/*
+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    0x6060 // 24672
+#define PRODUCT_ID   0x6060 // 24672
+#define DEVICE_VER   0x0001
+#define MANUFACTURER    pngu
+#define PRODUCT         idb 60
+#define DESCRIPTION     QMK keyboard firmware for idb 60
+
+/* key matrix size */
+#define MATRIX_ROWS 10
+#define MATRIX_COLS 8
+
+/*
+ * 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 { C2, D0, D1, D2, D3, D4, D5, D6, B0, B1 }
+#define MATRIX_COL_PINS { B2, B3, B4, C6, B6, B7, C7, B5 }
+#define UNUSED_PINS
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* 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
+
+/* number of backlight levels */
+#define BACKLIGHT_LEVELS 0
+
+/* 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
+
+/*
+ * 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
+
+/*
+ * Magic Key Options
+ *
+ * Magic keys are hotkey commands that allow control over firmware functions of
+ * the keyboard. They are best used in combination with the HID Listen program,
+ * found here: https://www.pjrc.com/teensy/hid_listen.html
+ *
+ * The options below allow the magic key functionality to be changed. This is
+ * useful if your keyboard/keypad is missing keys and you want magic key support.
+ *
+ */
+
+/* control how magic key switches layers */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false
+
+/* override magic key keymap */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM
+//#define MAGIC_KEY_HELP1     H
+//#define MAGIC_KEY_HELP2     SLASH
+//#define MAGIC_KEY_DEBUG     D
+//#define MAGIC_KEY_DEBUG_MATRIX  X
+//#define MAGIC_KEY_DEBUG_KBD   K
+//#define MAGIC_KEY_DEBUG_MOUSE  M
+//#define MAGIC_KEY_VERSION    V
+//#define MAGIC_KEY_STATUS     S
+//#define MAGIC_KEY_CONSOLE    C
+//#define MAGIC_KEY_LAYER0_ALT1  ESC
+//#define MAGIC_KEY_LAYER0_ALT2  GRAVE
+//#define MAGIC_KEY_LAYER0     0
+//#define MAGIC_KEY_LAYER1     1
+//#define MAGIC_KEY_LAYER2     2
+//#define MAGIC_KEY_LAYER3     3
+//#define MAGIC_KEY_LAYER4     4
+//#define MAGIC_KEY_LAYER5     5
+//#define MAGIC_KEY_LAYER6     6
+//#define MAGIC_KEY_LAYER7     7
+//#define MAGIC_KEY_LAYER8     8
+//#define MAGIC_KEY_LAYER9     9
+//#define MAGIC_KEY_BOOTLOADER   PAUSE
+//#define MAGIC_KEY_LOCK      CAPS
+//#define MAGIC_KEY_EEPROM     E
+//#define MAGIC_KEY_NKRO      N
+//#define MAGIC_KEY_SLEEP_LED   Z
+
+/*
+ * 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
+
+#define DYNAMIC_KEYMAP_LAYER_COUNT 4
+
+// EEPROM usage
+
+// TODO: refactor with new user EEPROM code (coming soon)
+#define EEPROM_MAGIC 0x451F
+#define EEPROM_MAGIC_ADDR 32
+// Bump this every time we change what we store
+// This will automatically reset the EEPROM with defaults
+// and avoid loading invalid data from the EEPROM
+#define EEPROM_VERSION 0x08
+#define EEPROM_VERSION_ADDR 34
+
+// Dynamic keymap starts after EEPROM version
+#define DYNAMIC_KEYMAP_EEPROM_ADDR 35
+// Dynamic macro starts after dynamic keymaps (35+(4*10*6*2)) = (35+480)
+#define DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR 675    // **** CHANGE THIS BASED ON MATRIX_ROWS & MATRIX_COLS ****
+#define DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE 349    // **** CHANGE THIS BASED ON 1024-DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR ****
+#define DYNAMIC_KEYMAP_MACRO_COUNT 16
diff --git a/keyboards/idb_60/idb_60.c b/keyboards/idb_60/idb_60.c
new file mode 100644
index 000000000..d280f644b
--- /dev/null
+++ b/keyboards/idb_60/idb_60.c
@@ -0,0 +1,23 @@
+#include "idb_60.h"
+
+extern inline void _idb_60_caps_led_on(void);
+extern inline void _idb_60_esc_led_on(void);
+
+extern inline void _idb_60_caps_led_off(void);
+extern inline void _idb_60_esc_led_off(void);
+
+void keyboard_pre_init_kb(void) {
+    setPinOutput(C4);
+    setPinOutput(C5);
+}
+
+void led_set_kb(uint8_t usb_led) {
+
+    if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK)) {
+		_idb_60_caps_led_on();
+		} else {
+		_idb_60_caps_led_off();
+    }
+
+	led_set_user(usb_led);
+}
diff --git a/keyboards/idb_60/idb_60.h b/keyboards/idb_60/idb_60.h
new file mode 100644
index 000000000..e9045f664
--- /dev/null
+++ b/keyboards/idb_60/idb_60.h
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "quantum.h"
+
+inline void _idb_60_caps_led_on(void) {
+    writePinLow(C5);
+}
+
+inline void _idb_60_esc_led_on(void) {
+    writePinLow(C4);
+}
+
+inline void _idb_60_caps_led_off(void) {
+    writePinLow(C5);
+}
+
+inline void _idb_60_esc_led_off(void) {
+    writePinLow(C4);
+}
+
+#define LAYOUT( \
+    K00, K10, K01, K11, K02, K12, K03, K13, K04, K14, K05, K15, K06, K16, K07,\
+    K20, K30, K21, K31, K22, K32, K23, K33, K24, K34, K25, K35, K26, K36,\
+	K40, K50, K41, K51, K42, K52, K43, K53, K44, K54, K45, K55,      K56,\
+	K60, K70, K61, K71, K62, K72, K63, K73, K64, K74, K65, K75, K66, K76,\
+	K80, K90, K81,                     K93,                K95, K86, K96\
+) { \
+    { K00,   K01,   K02,   K03,   K04,   K05,   K06,   K07 }, \
+    { K10,   K11,   K12,   K13,   K14,   K15,   K16        }, \
+    { K20,   K21,   K22,   K23,   K24,   K25,   K26        }, \
+    { K30,   K31,   K32,   K33,   K34,   K35,   K36        }, \
+    { K40,   K41,   K42,   K43,   K44,   K45,   KC_NO      }, \
+    { K50,   K51,   K52,   K53,   K54,   K55,   K56        }, \
+    { K60,   K61,   K62,   K63,   K64,   K65,   K66        }, \
+    { K70,   K71,   K72,   K73,   K74,   K75,   K76        }, \
+	{ K80,   K81,   KC_NO, KC_NO, KC_NO, KC_NO, K86        }, \
+    { K90,   KC_NO, KC_NO, K93,   KC_NO, K95,   K96        } \
+}
diff --git a/keyboards/idb_60/info.json b/keyboards/idb_60/info.json
new file mode 100644
index 000000000..9bbe580bf
--- /dev/null
+++ b/keyboards/idb_60/info.json
@@ -0,0 +1,76 @@
+{
+  "keyboard_name": "idb_60",
+  "url": "https://idb-keyboards.xyz/60",
+  "maintainer": "pngu",
+  "width": 15,
+  "height": 5,
+  "layouts": {
+    "LAYOUT": {
+      "layout": [
+		{"label":"Esc","x":0,"y":0},
+		{"label":"!\n1","x":1,"y":0},
+		{"label":"@\n2","x":2,"y":0},
+		{"label":"#\n3","x":3,"y":0},
+		{"label":"$\n4","x":4,"y":0},
+		{"label":"%\n5","x":5,"y":0},
+		{"label":"^\n6","x":6,"y":0},
+		{"label":"&\n7","x":7,"y":0},
+		{"label":"*\n8","x":8,"y":0},
+		{"label":"(\n9","x":9,"y":0},
+		{"label":")\n0","x":10,"y":0},
+		{"label":"_\n-","x":11,"y":0},
+		{"label":"+\n=","x":12,"y":0},
+		{"label":"BS","x":13,"y":0},
+		{"label":"~\n`","x":14,"y":0},
+		{"label":"Tab","x":0,"y":1,"w":1.5},
+		{"label":"Q","x":1.5,"y":1},
+		{"label":"W","x":2.5,"y":1},
+		{"label":"E","x":3.5,"y":1},
+		{"label":"R","x":4.5,"y":1},
+		{"label":"T","x":5.5,"y":1},
+		{"label":"Y","x":6.5,"y":1},
+		{"label":"U","x":7.5,"y":1},
+		{"label":"I","x":8.5,"y":1},
+		{"label":"O","x":9.5,"y":1},
+		{"label":"P","x":10.5,"y":1},
+		{"label":"{\n[","x":11.5,"y":1},
+		{"label":"}\n]","x":12.5,"y":1},
+		{"label":"|\n\\","x":13.5,"y":1,"w":1.5},
+		{"label":"Caps Lock","x":0,"y":2,"w":1.75},
+		{"label":"A","x":1.75,"y":2},
+		{"label":"S","x":2.75,"y":2},
+		{"label":"D","x":3.75,"y":2},
+		{"label":"F","x":4.75,"y":2},
+		{"label":"G","x":5.75,"y":2},
+		{"label":"H","x":6.75,"y":2},
+		{"label":"J","x":7.75,"y":2},
+		{"label":"K","x":8.75,"y":2},
+		{"label":"L","x":9.75,"y":2},
+		{"label":":\n;","x":10.75,"y":2},
+		{"label":"\"\n'","x":11.75,"y":2},
+		{"label":"Enter","x":12.75,"y":2,"w":2.25},
+		{"label":"Shift","x":0,"y":3,"w":1.25},
+		{"label":">\n<\n\n|","x":1.25,"y":3},
+		{"label":"Z","x":2.25,"y":3},
+		{"label":"X","x":3.25,"y":3},
+		{"label":"C","x":4.25,"y":3},
+		{"label":"V","x":5.25,"y":3},
+		{"label":"B","x":6.25,"y":3},
+		{"label":"N","x":7.25,"y":3},
+		{"label":"M","x":8.25,"y":3},
+		{"label":"<\n,","x":9.25,"y":3},
+		{"label":">\n.","x":10.25,"y":3},
+		{"label":"?\n/","x":11.25,"y":3},
+		{"label":"Shift","x":12.25,"y":3,"w":1.75},
+		{"label":"Fn","x":14,"y":3},
+		{"label":"Ctrl","x":0,"y":4,"w":1.5},
+		{"label":"Win","x":1.5,"y":4},
+		{"label":"Alt","x":2.5,"y":4,"w":1.5},
+		{"label":"","x":4,"y":4,"w":7},
+		{"label":"Alt","x":11,"y":4,"w":1.5},
+		{"label":"Win","x":12.5,"y":4},
+		{"label":"Ctrl","x":13.5,"y":4,"w":1.5}
+      ]
+    }
+  }
+}
diff --git a/keyboards/idb_60/keymaps/default/keymap.c b/keyboards/idb_60/keymaps/default/keymap.c
new file mode 100644
index 000000000..48c998774
--- /dev/null
+++ b/keyboards/idb_60/keymaps/default/keymap.c
@@ -0,0 +1,32 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [0] = LAYOUT(
+    KC_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_NO,
+    KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,
+    KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,
+    KC_LSFT, KC_NUBS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, MO(1),
+    KC_LCTL, KC_LGUI, KC_LALT,                                     KC_SPC,                             KC_RALT, KC_MENU, KC_RCTL
+  ),
+   [1] = LAYOUT(
+	RESET,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+	_______, _______, _______,                                     _______,                            _______, _______, _______
+  )
+
+};
+
+// Layer LED indicators
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    if (layer_state_cmp(state, 1)) {
+        _idb_60_esc_led_on();
+    } else {
+        _idb_60_esc_led_off();
+    }
+	
+	return state;
+}
\ No newline at end of file
diff --git a/keyboards/idb_60/keymaps/pngu/keymap.c b/keyboards/idb_60/keymaps/pngu/keymap.c
new file mode 100644
index 000000000..de336e5fa
--- /dev/null
+++ b/keyboards/idb_60/keymaps/pngu/keymap.c
@@ -0,0 +1,39 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [0] = LAYOUT(
+    KC_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_NO,
+    KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Z,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,
+    LT(2, KC_CAPS), KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,
+    KC_LSFT, KC_NUBS, KC_Y,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_NO,
+    KC_LCTL, KC_LGUI, KC_LALT,                                     KC_SPC,                             KC_RALT, KC_MENU, MO(1)
+  ),
+   [1] = LAYOUT(
+	RESET,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_DEL,  _______,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_PSCR, _______, _______, _______,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          KC_INS,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+	_______, _______, _______,                                     _______,                            _______, _______, _______
+  ),
+  [2] = LAYOUT(
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+	_______, _______, _______, KC_UP,   _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+	_______, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______, _______, _______, _______, _______, _______,          _______,
+	_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+	_______, _______, _______,                                     _______,                            _______, _______, _______
+  )
+
+};
+
+// Layer LED indicators
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    if (layer_state_cmp(state, 1)) {
+        _idb_60_esc_led_on();
+    } else {
+        _idb_60_esc_led_off();
+    }
+	
+	return state;
+}
\ No newline at end of file
diff --git a/keyboards/idb_60/readme.md b/keyboards/idb_60/readme.md
new file mode 100644
index 000000000..e6ed6822b
--- /dev/null
+++ b/keyboards/idb_60/readme.md
@@ -0,0 +1,17 @@
+# idb 60 PCB
+
+Firmware for the idb 60 PCB
+
+Keyboard Maintainer: [/u/omgitspngu](https://github.com/itspngu)  
+Hardware Supported: idb 60 PCB  
+Hardware Availability: [/u/omgitspngu](https://www.reddit.com/user/omgitspngu/)  
+
+Make example for this keyboard (after setting up your build environment):
+
+    make idb_60:default
+
+Or to make and flash:
+
+    make idb_60: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).
diff --git a/keyboards/idb_60/rules.mk b/keyboards/idb_60/rules.mk
new file mode 100644
index 000000000..b5c941347
--- /dev/null
+++ b/keyboards/idb_60/rules.mk
@@ -0,0 +1,65 @@
+# MCU name
+MCU = atmega32u2
+
+# 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)
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+
+# Boot Section Size in *bytes*
+#   Teensy halfKay   512
+#   Teensy++ halfKay 1024
+#   Atmel DFU loader 4096
+#   LUFA bootloader  4096
+#   USBaspLoader     2048
+BOOTLOADER = atmel-dfu
+
+
+# Build Options
+#   comment out to disable the options.
+#
+# BOOTMAGIC_ENABLE = yes		# Virtual DIP switch configuration(+1000)
+# MOUSEKEY_ENABLE = yes		# 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
+# KEYBOARD_LOCK_ENABLE = yes	# Allow locking of keyboard via magic key
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+# SLEEP_LED_ENABLE = yes	# Breathing sleep LED during USB suspend
+NKRO_ENABLE = yes			# USB 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 = YES			# MIDI controls
+# UNICODE_ENABLE = YES		# Unicode
+# BLUETOOTH_ENABLE = yes	# Enable Bluetooth with the Adafruit EZ-Key HID
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