[Keyboard] Initial firmware and keymaps for the CO60 PCB (#5959)

* Add: Initial firmware and keymaps for the CO60 PCB

* Apply suggestions from code review

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>
Co-Authored-By: Drashna Jaelre <drashna@live.com>
Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update: Address reviewer comments

* Apply suggestions from code review

Co-Authored-By: Drashna Jaelre <drashna@live.com>

* Update: Reviewer changes

4 files changed, 404 insertions, 0 deletions

diff --git a/keyboards/handwired/co60/rev1/config.h b/keyboards/handwired/co60/rev1/config.h
new file mode 100644
index 0000000000..4d5140dafd
--- /dev/null
+++ b/keyboards/handwired/co60/rev1/config.h
@@ -0,0 +1,161 @@
+/*
+Copyright 2018 John M Daly <jmdaly@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       0xFEED
+#define PRODUCT_ID      0x0000
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    John M Daly
+#define PRODUCT         CO60
+#define DESCRIPTION     An open hardware sixty percent PCB
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 15
+
+/*
+ * 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 { D0, D1, D2, D3, D5 }
+#define MATRIX_COL_PINS { F0, F1, E6, C7, C6, B6, D4, B1, B2, B5, B4, D7, D6, B3, B0 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
+#define DIODE_DIRECTION COL2ROW
+
+#ifdef __AVR__
+#define BACKLIGHT_PIN B7
+#define BACKLIGHT_BREATHING
+#endif
+#define BACKLIGHT_LEVELS 3
+
+
+/* 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 */
+
+/* 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
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is userful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+// #define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * 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
diff --git a/keyboards/handwired/co60/rev1/rev1.c b/keyboards/handwired/co60/rev1/rev1.c
new file mode 100644
index 0000000000..abdfa884d6
--- /dev/null
+++ b/keyboards/handwired/co60/rev1/rev1.c
@@ -0,0 +1,46 @@
+/* Copyright 2018 John M Daly
+ *
+ * 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 "rev1.h"
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+	// put your keyboard start-up code here
+	// runs once when the firmware starts up
+
+	matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+	// put your looping keyboard code here
+	// runs every cycle (a lot)
+
+	matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+	// put your per-action keyboard code here
+	// runs for every action, just before processing by the firmware
+
+	return process_record_user(keycode, record);
+}
+
+__attribute__ ((weak))
+void led_set_kb(uint8_t usb_led) {
+	// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+	led_set_user(usb_led);
+}
diff --git a/keyboards/handwired/co60/rev1/rev1.h b/keyboards/handwired/co60/rev1/rev1.h
new file mode 100644
index 0000000000..3cf6a853f2
--- /dev/null
+++ b/keyboards/handwired/co60/rev1/rev1.h
@@ -0,0 +1,127 @@
+/* Copyright 2018 John M Daly
+ *
+ * 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 following is a layout that uses all available switch positions.
+// The first section contains all of the arguments
+// The second converts the arguments into a two-dimensional array
+#define LAYOUT_all( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213, K214, \
+    K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
+    K400, K401, K402,       K404,       K406,       K408,       K410, K411, K412, K413, K414 \
+) \
+{ \
+    { K000, K001,   K002, K003,  K004, K005,  K006, K007,  K008, K009,  K010, K011, K012,  K013, K014 }, \
+    { K100, KC_NO,  K102, K103,  K104, K105,  K106, K107,  K108, K109,  K110, K111, K112,  K113, K114 }, \
+    { K200, KC_NO,  K202, K203,  K204, K205,  K206, K207,  K208, K209,  K210, K211, K212,  K213, K214 }, \
+    { K300, K301,   K302, K303,  K304, K305,  K306, K307,  K308, K309,  K310, K311, KC_NO, K313, K314 }, \
+    { K400, K401,   K402, KC_NO, K404, KC_NO, K406, KC_NO, K408, KC_NO, K410, K411, K412,  K413, K414 }, \
+}
+
+#define LAYOUT_60_ansi( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012,       K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212,       K214, \
+    K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313,       \
+    K400, K401, K402,                   K406,                   K410, K411,       K413, K414 \
+) \
+{ \
+    { K000, K001,  K002, K003,  K004,  K005,  K006, K007,  K008, K009,   K010, K011, K012,  KC_NO,  K014 }, \
+    { K100, KC_NO, K102, K103,  K104,  K105,  K106, K107,  K108, K109,   K110, K111, K112,  K113,   K114 }, \
+    { K200, KC_NO, K202, K203,  K204,  K205,  K206, K207,  K208, K209,   K210, K211, K212,  KC_NO,  K214 }, \
+    { K300, KC_NO, K302, K303,  K304,  K305,  K306, K307,  K308, K309,   K310, K311, KC_NO, K313,   KC_NO }, \
+    { K400, K401,  K402, KC_NO, KC_NO, KC_NO, K406, KC_NO, KC_NO, KC_NO, K410, K411, KC_NO, K413,   K414 }, \
+}
+
+#define LAYOUT_60_ansi_split_bs_rshift( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212,       K214, \
+    K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
+    K400, K401, K402,                   K406,                   K410, K411,       K413, K414 \
+) \
+{ \
+    { K000, K001,  K002, K003,  K004,  K005,  K006, K007,  K008, K009,   K010, K011, K012,  K013,   K014 }, \
+    { K100, KC_NO, K102, K103,  K104,  K105,  K106, K107,  K108, K109,   K110, K111, K112,  K113,   K114 }, \
+    { K200, KC_NO, K202, K203,  K204,  K205,  K206, K207,  K208, K209,   K210, K211, K212,  KC_NO,  K214 }, \
+    { K300, KC_NO, K302, K303,  K304,  K305,  K306, K307,  K308, K309,   K310, K311, KC_NO, K313,   K314 }, \
+    { K400, K401,  K402, KC_NO, KC_NO, KC_NO, K406, KC_NO, KC_NO, KC_NO, K410, K411, KC_NO, K413,   K414 }, \
+}
+
+#define LAYOUT_60_iso( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012,       K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113,       \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213, K214, \
+    K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313,       \
+    K400, K401, K402,                   K406,                   K410, K411,       K413, K414 \
+) \
+{ \
+    { K000, K001,  K002, K003,  K004,  K005,  K006, K007,  K008,  K009,  K010, K011, K012,  KC_NO, K014 }, \
+    { K100, KC_NO, K102, K103,  K104,  K105,  K106, K107,  K108,  K109,  K110, K111, K112,  K113,  KC_NO }, \
+    { K200, KC_NO, K202, K203,  K204,  K205,  K206, K207,  K208,  K209,  K210, K211, K212,  K213,  K214 }, \
+    { K300, K301,  K302, K303,  K304,  K305,  K306, K307,  K308,  K309,  K310, K311, KC_NO, K313,  KC_NO }, \
+    { K400, K401,  K402, KC_NO, KC_NO, KC_NO, K406, KC_NO, KC_NO, KC_NO, K410, K411, KC_NO, K413,  K414 }, \
+}
+
+#define LAYOUT_60_hhkb( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212,       K214, \
+    K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
+          K401, K402,                   K406,                         K411,       K413      \
+) \
+{ \
+    { K000,  K001,   K002, K003,  K004,  K005,  K006, K007,  K008,  K009,  K010, K011, K012,  K013,  K014 }, \
+    { K100,  KC_NO,  K102, K103,  K104,  K105,  K106, K107,  K108,  K109,  K110, K111, K112,  K113,  K114 }, \
+    { K200,  KC_NO,  K202, K203,  K204,  K205,  K206, K207,  K208,  K209,  K210, K211, K212,  KC_NO, K214 }, \
+    { K300,  KC_NO,  K302, K303,  K304,  K305,  K306, K307,  K308,  K309,  K310, K311, KC_NO, K313,  K314 }, \
+    { KC_NO, K401,   K402, KC_NO, KC_NO, KC_NO, K406, KC_NO, KC_NO, KC_NO, KC_NO, K411, KC_NO, K413, KC_NO }, \
+}
+
+#define LAYOUT_60_hhkb_split_space( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212,       K214, \
+    K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
+          K401, K402,       K404,       K406,       K408,             K411,       K413      \
+) \
+{ \
+    { K000,  K001,   K002, K003,  K004, K005,  K006, K007,  K008, K009,  K010, K011, K012,  K013,  K014 }, \
+    { K100,  KC_NO,  K102, K103,  K104, K105,  K106, K107,  K108, K109,  K110, K111, K112,  K113,  K114 }, \
+    { K200,  KC_NO,  K202, K203,  K204, K205,  K206, K207,  K208, K209,  K210, K211, K212,  KC_NO, K214 }, \
+    { K300,  KC_NO,  K302, K303,  K304, K305,  K306, K307,  K308, K309,  K310, K311, KC_NO, K313,  K314 }, \
+    { KC_NO, K401,   K402, KC_NO, K404, KC_NO, K406, KC_NO, K408, KC_NO, KC_NO, K411, KC_NO, K413, KC_NO }, \
+}
+
+#define LAYOUT_60_hhkb_split_625u_space( \
+    K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
+    K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+    K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212,       K214, \
+    K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
+          K401, K402,       K404,       K406,       K408,       K410, K411,       K413      \
+) \
+{ \
+    { K000,  K001,   K002, K003,  K004, K005,  K006, K007,  K008, K009,  K010, K011, K012,  K013,  K014 }, \
+    { K100,  KC_NO,  K102, K103,  K104, K105,  K106, K107,  K108, K109,  K110, K111, K112,  K113,  K114 }, \
+    { K200,  KC_NO,  K202, K203,  K204, K205,  K206, K207,  K208, K209,  K210, K211, K212,  KC_NO, K214 }, \
+    { K300,  KC_NO,  K302, K303,  K304, K305,  K306, K307,  K308, K309,  K310, K311, KC_NO, K313,  K314 }, \
+    { KC_NO, K401,   K402, KC_NO, K404, KC_NO, K406, KC_NO, K408, KC_NO, K410, K411, KC_NO, K413, KC_NO }, \
+}
diff --git a/keyboards/handwired/co60/rev1/rules.mk b/keyboards/handwired/co60/rev1/rules.mk
new file mode 100644
index 0000000000..31ce6cbe41
--- /dev/null
+++ b/keyboards/handwired/co60/rev1/rules.mk
@@ -0,0 +1,70 @@
+# MCU name
+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)
+
+# 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 = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+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 = no        # Console for debug(+400)
+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 = yes            # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality on B7 by default
+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
+LEADER_ENABLE = yes         # Turn on leader support
+
+# Layouts supported by this PCB:
+LAYOUTS = 60_ansi 60_iso 60_ansi_split_bs_rshift 60_hhkb