[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

9 files changed, 1731 insertions, 0 deletions

diff --git a/keyboards/handwired/co60/rev6/chconf.h b/keyboards/handwired/co60/rev6/chconf.h
new file mode 100644
index 0000000000..1d9f12ff1f
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/chconf.h
@@ -0,0 +1,520 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    templates/chconf.h
+ * @brief   Configuration file template.
+ * @details A copy of this file must be placed in each project directory, it
+ *          contains the application specific kernel settings.
+ *
+ * @addtogroup config
+ * @details Kernel related settings and hooks.
+ * @{
+ */
+
+#ifndef CHCONF_H
+#define CHCONF_H
+
+#define _CHIBIOS_RT_CONF_
+
+/*===========================================================================*/
+/**
+ * @name System timers settings
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   System time counter resolution.
+ * @note    Allowed values are 16 or 32 bits.
+ */
+#define CH_CFG_ST_RESOLUTION                32
+
+/**
+ * @brief   System tick frequency.
+ * @details Frequency of the system timer that drives the system ticks. This
+ *          setting also defines the system tick time unit.
+ */
+#define CH_CFG_ST_FREQUENCY                 100000
+
+/**
+ * @brief   Time delta constant for the tick-less mode.
+ * @note    If this value is zero then the system uses the classic
+ *          periodic tick. This value represents the minimum number
+ *          of ticks that is safe to specify in a timeout directive.
+ *          The value one is not valid, timeouts are rounded up to
+ *          this value.
+ */
+#define CH_CFG_ST_TIMEDELTA                 2
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Kernel parameters and options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   Round robin interval.
+ * @details This constant is the number of system ticks allowed for the
+ *          threads before preemption occurs. Setting this value to zero
+ *          disables the preemption for threads with equal priority and the
+ *          round robin becomes cooperative. Note that higher priority
+ *          threads can still preempt, the kernel is always preemptive.
+ * @note    Disabling the round robin preemption makes the kernel more compact
+ *          and generally faster.
+ * @note    The round robin preemption is not supported in tickless mode and
+ *          must be set to zero in that case.
+ */
+#define CH_CFG_TIME_QUANTUM                 0
+
+/**
+ * @brief   Managed RAM size.
+ * @details Size of the RAM area to be managed by the OS. If set to zero
+ *          then the whole available RAM is used. The core memory is made
+ *          available to the heap allocator and/or can be used directly through
+ *          the simplified core memory allocator.
+ *
+ * @note    In order to let the OS manage the whole RAM the linker script must
+ *          provide the @p __heap_base__ and @p __heap_end__ symbols.
+ * @note    Requires @p CH_CFG_USE_MEMCORE.
+ */
+#define CH_CFG_MEMCORE_SIZE                 0
+
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread. The application @p main()
+ *          function becomes the idle thread and must implement an
+ *          infinite loop.
+ */
+#define CH_CFG_NO_IDLE_THREAD               FALSE
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Performance options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   OS optimization.
+ * @details If enabled then time efficient rather than space efficient code
+ *          is used when two possible implementations exist.
+ *
+ * @note    This is not related to the compiler optimization options.
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_OPTIMIZE_SPEED               TRUE
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Subsystem options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   Time Measurement APIs.
+ * @details If enabled then the time measurement APIs are included in
+ *          the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_TM                       TRUE
+
+/**
+ * @brief   Threads registry APIs.
+ * @details If enabled then the registry APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_REGISTRY                 TRUE
+
+/**
+ * @brief   Threads synchronization APIs.
+ * @details If enabled then the @p chThdWait() function is included in
+ *          the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_WAITEXIT                 TRUE
+
+/**
+ * @brief   Semaphores APIs.
+ * @details If enabled then the Semaphores APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_SEMAPHORES               TRUE
+
+/**
+ * @brief   Semaphores queuing mode.
+ * @details If enabled then the threads are enqueued on semaphores by
+ *          priority rather than in FIFO order.
+ *
+ * @note    The default is @p FALSE. Enable this if you have special
+ *          requirements.
+ * @note    Requires @p CH_CFG_USE_SEMAPHORES.
+ */
+#define CH_CFG_USE_SEMAPHORES_PRIORITY      FALSE
+
+/**
+ * @brief   Mutexes APIs.
+ * @details If enabled then the mutexes APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_MUTEXES                  TRUE
+
+/**
+ * @brief   Enables recursive behavior on mutexes.
+ * @note    Recursive mutexes are heavier and have an increased
+ *          memory footprint.
+ *
+ * @note    The default is @p FALSE.
+ * @note    Requires @p CH_CFG_USE_MUTEXES.
+ */
+#define CH_CFG_USE_MUTEXES_RECURSIVE        FALSE
+
+/**
+ * @brief   Conditional Variables APIs.
+ * @details If enabled then the conditional variables APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ * @note    Requires @p CH_CFG_USE_MUTEXES.
+ */
+#define CH_CFG_USE_CONDVARS                 TRUE
+
+/**
+ * @brief   Conditional Variables APIs with timeout.
+ * @details If enabled then the conditional variables APIs with timeout
+ *          specification are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ * @note    Requires @p CH_CFG_USE_CONDVARS.
+ */
+#define CH_CFG_USE_CONDVARS_TIMEOUT         TRUE
+
+/**
+ * @brief   Events Flags APIs.
+ * @details If enabled then the event flags APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_EVENTS                   TRUE
+
+/**
+ * @brief   Events Flags APIs with timeout.
+ * @details If enabled then the events APIs with timeout specification
+ *          are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ * @note    Requires @p CH_CFG_USE_EVENTS.
+ */
+#define CH_CFG_USE_EVENTS_TIMEOUT           TRUE
+
+/**
+ * @brief   Synchronous Messages APIs.
+ * @details If enabled then the synchronous messages APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_MESSAGES                 TRUE
+
+/**
+ * @brief   Synchronous Messages queuing mode.
+ * @details If enabled then messages are served by priority rather than in
+ *          FIFO order.
+ *
+ * @note    The default is @p FALSE. Enable this if you have special
+ *          requirements.
+ * @note    Requires @p CH_CFG_USE_MESSAGES.
+ */
+#define CH_CFG_USE_MESSAGES_PRIORITY        TRUE
+
+/**
+ * @brief   Mailboxes APIs.
+ * @details If enabled then the asynchronous messages (mailboxes) APIs are
+ *          included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ * @note    Requires @p CH_CFG_USE_SEMAPHORES.
+ */
+#define CH_CFG_USE_MAILBOXES                TRUE
+
+/**
+ * @brief   Core Memory Manager APIs.
+ * @details If enabled then the core memory manager APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_MEMCORE                  TRUE
+
+/**
+ * @brief   Heap Allocator APIs.
+ * @details If enabled then the memory heap allocator APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ * @note    Requires @p CH_CFG_USE_MEMCORE and either @p CH_CFG_USE_MUTEXES or
+ *          @p CH_CFG_USE_SEMAPHORES.
+ * @note    Mutexes are recommended.
+ */
+#define CH_CFG_USE_HEAP                     TRUE
+
+/**
+ * @brief   Memory Pools Allocator APIs.
+ * @details If enabled then the memory pools allocator APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#define CH_CFG_USE_MEMPOOLS                 TRUE
+
+/**
+ * @brief   Dynamic Threads APIs.
+ * @details If enabled then the dynamic threads creation APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ * @note    Requires @p CH_CFG_USE_WAITEXIT.
+ * @note    Requires @p CH_CFG_USE_HEAP and/or @p CH_CFG_USE_MEMPOOLS.
+ */
+#define CH_CFG_USE_DYNAMIC                  TRUE
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Debug options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   Debug option, kernel statistics.
+ *
+ * @note    The default is @p FALSE.
+ */
+#define CH_DBG_STATISTICS                   FALSE
+
+/**
+ * @brief   Debug option, system state check.
+ * @details If enabled the correct call protocol for system APIs is checked
+ *          at runtime.
+ *
+ * @note    The default is @p FALSE.
+ */
+#define CH_DBG_SYSTEM_STATE_CHECK           FALSE
+
+/**
+ * @brief   Debug option, parameters checks.
+ * @details If enabled then the checks on the API functions input
+ *          parameters are activated.
+ *
+ * @note    The default is @p FALSE.
+ */
+#define CH_DBG_ENABLE_CHECKS                FALSE
+
+/**
+ * @brief   Debug option, consistency checks.
+ * @details If enabled then all the assertions in the kernel code are
+ *          activated. This includes consistency checks inside the kernel,
+ *          runtime anomalies and port-defined checks.
+ *
+ * @note    The default is @p FALSE.
+ */
+#define CH_DBG_ENABLE_ASSERTS               FALSE
+
+/**
+ * @brief   Debug option, trace buffer.
+ * @details If enabled then the trace buffer is activated.
+ *
+ * @note    The default is @p CH_DBG_TRACE_MASK_DISABLED.
+ */
+#define CH_DBG_TRACE_MASK                   CH_DBG_TRACE_MASK_DISABLED
+
+/**
+ * @brief   Trace buffer entries.
+ * @note    The trace buffer is only allocated if @p CH_DBG_TRACE_MASK is
+ *          different from @p CH_DBG_TRACE_MASK_DISABLED.
+ */
+#define CH_DBG_TRACE_BUFFER_SIZE            128
+
+/**
+ * @brief   Debug option, stack checks.
+ * @details If enabled then a runtime stack check is performed.
+ *
+ * @note    The default is @p FALSE.
+ * @note    The stack check is performed in a architecture/port dependent way.
+ *          It may not be implemented or some ports.
+ * @note    The default failure mode is to halt the system with the global
+ *          @p panic_msg variable set to @p NULL.
+ */
+#define CH_DBG_ENABLE_STACK_CHECK           TRUE
+
+/**
+ * @brief   Debug option, stacks initialization.
+ * @details If enabled then the threads working area is filled with a byte
+ *          value when a thread is created. This can be useful for the
+ *          runtime measurement of the used stack.
+ *
+ * @note    The default is @p FALSE.
+ */
+#define CH_DBG_FILL_THREADS                 FALSE
+
+/**
+ * @brief   Debug option, threads profiling.
+ * @details If enabled then a field is added to the @p thread_t structure that
+ *          counts the system ticks occurred while executing the thread.
+ *
+ * @note    The default is @p FALSE.
+ * @note    This debug option is not currently compatible with the
+ *          tickless mode.
+ */
+#define CH_DBG_THREADS_PROFILING            FALSE
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Kernel hooks
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   Threads descriptor structure extension.
+ * @details User fields added to the end of the @p thread_t structure.
+ */
+#define CH_CFG_THREAD_EXTRA_FIELDS                                          \
+  /* Add threads custom fields here.*/
+
+/**
+ * @brief   Threads initialization hook.
+ * @details User initialization code added to the @p chThdInit() API.
+ *
+ * @note    It is invoked from within @p chThdInit() and implicitly from all
+ *          the threads creation APIs.
+ */
+#define CH_CFG_THREAD_INIT_HOOK(tp) {                                       \
+  /* Add threads initialization code here.*/                                \
+}
+
+/**
+ * @brief   Threads finalization hook.
+ * @details User finalization code added to the @p chThdExit() API.
+ */
+#define CH_CFG_THREAD_EXIT_HOOK(tp) {                                       \
+  /* Add threads finalization code here.*/                                  \
+}
+
+/**
+ * @brief   Context switch hook.
+ * @details This hook is invoked just before switching between threads.
+ */
+#define CH_CFG_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \
+  /* Context switch code here.*/                                            \
+}
+
+/**
+ * @brief   ISR enter hook.
+ */
+#define CH_CFG_IRQ_PROLOGUE_HOOK() {                                        \
+  /* IRQ prologue code here.*/                                              \
+}
+
+/**
+ * @brief   ISR exit hook.
+ */
+#define CH_CFG_IRQ_EPILOGUE_HOOK() {                                        \
+  /* IRQ epilogue code here.*/                                              \
+}
+
+/**
+ * @brief   Idle thread enter hook.
+ * @note    This hook is invoked within a critical zone, no OS functions
+ *          should be invoked from here.
+ * @note    This macro can be used to activate a power saving mode.
+ */
+#define CH_CFG_IDLE_ENTER_HOOK() {                                          \
+  /* Idle-enter code here.*/                                                \
+}
+
+/**
+ * @brief   Idle thread leave hook.
+ * @note    This hook is invoked within a critical zone, no OS functions
+ *          should be invoked from here.
+ * @note    This macro can be used to deactivate a power saving mode.
+ */
+#define CH_CFG_IDLE_LEAVE_HOOK() {                                          \
+  /* Idle-leave code here.*/                                                \
+}
+
+/**
+ * @brief   Idle Loop hook.
+ * @details This hook is continuously invoked by the idle thread loop.
+ */
+#define CH_CFG_IDLE_LOOP_HOOK() {                                           \
+  /* Idle loop code here.*/                                                 \
+}
+
+/**
+ * @brief   System tick event hook.
+ * @details This hook is invoked in the system tick handler immediately
+ *          after processing the virtual timers queue.
+ */
+#define CH_CFG_SYSTEM_TICK_HOOK() {                                         \
+  /* System tick event code here.*/                                         \
+}
+
+/**
+ * @brief   System halt hook.
+ * @details This hook is invoked in case to a system halting error before
+ *          the system is halted.
+ */
+#define CH_CFG_SYSTEM_HALT_HOOK(reason) {                                   \
+  /* System halt code here.*/                                               \
+}
+
+/**
+ * @brief   Trace hook.
+ * @details This hook is invoked each time a new record is written in the
+ *          trace buffer.
+ */
+#define CH_CFG_TRACE_HOOK(tep) {                                            \
+  /* Trace code here.*/                                                     \
+}
+
+/** @} */
+
+/*===========================================================================*/
+/* Port-specific settings (override port settings defaulted in chcore.h).    */
+/*===========================================================================*/
+
+#endif  /* CHCONF_H */
+
+/** @} */
diff --git a/keyboards/handwired/co60/rev6/config.h b/keyboards/handwired/co60/rev6/config.h
new file mode 100644
index 0000000000..b1ab99fd9b
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/config.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2019 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 rev6
+#define DESCRIPTION     An open hardware sixty percent PCB
+
+/* Address for jumping to bootloader on STM32 chips. */
+/* It is chip dependent, the correct number can be looked up here:
+ * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
+ */
+#define STM32_BOOTLOADER_ADDRESS 0x1FFFD800
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 15
+
+/* ROWS: Top to bottom, COLS: Left to right
+*/
+#define MATRIX_ROW_PINS { B0, B1, B2, A15, A10 }
+#define MATRIX_COL_PINS { A2, A3, A6, B14, B15, A8, A9, A7, B3, B4, C14, C15, C13, B5, B6 }
+
+/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
+#define DIODE_DIRECTION COL2ROW
+
+/* 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
+
+/* Backlight configuration
+ * Backlight LEDs on B8
+ */
+#define BACKLIGHT_LEVELS 24
+#define BACKLIGHT_BREATHING
+#define BREATHING_PERIOD 6
diff --git a/keyboards/handwired/co60/rev6/halconf.h b/keyboards/handwired/co60/rev6/halconf.h
new file mode 100644
index 0000000000..5e5d70219e
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/halconf.h
@@ -0,0 +1,388 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    templates/halconf.h
+ * @brief   HAL configuration header.
+ * @details HAL configuration file, this file allows to enable or disable the
+ *          various device drivers from your application. You may also use
+ *          this file in order to override the device drivers default settings.
+ *
+ * @addtogroup HAL_CONF
+ * @{
+ */
+
+#ifndef HALCONF_H
+#define HALCONF_H
+
+#include "mcuconf.h"
+
+/**
+ * @brief   Enables the PAL subsystem.
+ */
+#if !defined(HAL_USE_PAL) || defined(__DOXYGEN__)
+#define HAL_USE_PAL                 TRUE
+#endif
+
+/**
+ * @brief   Enables the ADC subsystem.
+ */
+#if !defined(HAL_USE_ADC) || defined(__DOXYGEN__)
+#define HAL_USE_ADC                 FALSE
+#endif
+
+/**
+ * @brief   Enables the CAN subsystem.
+ */
+#if !defined(HAL_USE_CAN) || defined(__DOXYGEN__)
+#define HAL_USE_CAN                 FALSE
+#endif
+
+/**
+ * @brief   Enables the DAC subsystem.
+ */
+#if !defined(HAL_USE_DAC) || defined(__DOXYGEN__)
+#define HAL_USE_DAC                 TRUE
+#endif
+
+/**
+ * @brief   Enables the EXT subsystem.
+ */
+#if !defined(HAL_USE_EXT) || defined(__DOXYGEN__)
+#define HAL_USE_EXT                 FALSE
+#endif
+
+/**
+ * @brief   Enables the GPT subsystem.
+ */
+#if !defined(HAL_USE_GPT) || defined(__DOXYGEN__)
+#define HAL_USE_GPT                 TRUE
+#endif
+
+/**
+ * @brief   Enables the I2C subsystem.
+ */
+#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
+#define HAL_USE_I2C                 FALSE
+#endif
+
+/**
+ * @brief   Enables the I2S subsystem.
+ */
+#if !defined(HAL_USE_I2S) || defined(__DOXYGEN__)
+#define HAL_USE_I2S                 FALSE
+#endif
+
+/**
+ * @brief   Enables the ICU subsystem.
+ */
+#if !defined(HAL_USE_ICU) || defined(__DOXYGEN__)
+#define HAL_USE_ICU                 FALSE
+#endif
+
+/**
+ * @brief   Enables the MAC subsystem.
+ */
+#if !defined(HAL_USE_MAC) || defined(__DOXYGEN__)
+#define HAL_USE_MAC                 FALSE
+#endif
+
+/**
+ * @brief   Enables the MMC_SPI subsystem.
+ */
+#if !defined(HAL_USE_MMC_SPI) || defined(__DOXYGEN__)
+#define HAL_USE_MMC_SPI             FALSE
+#endif
+
+/**
+ * @brief   Enables the PWM subsystem.
+ */
+#if !defined(HAL_USE_PWM) || defined(__DOXYGEN__)
+#define HAL_USE_PWM                 TRUE
+#endif
+
+/**
+ * @brief   Enables the QSPI subsystem.
+ */
+#if !defined(HAL_USE_QSPI) || defined(__DOXYGEN__)
+#define HAL_USE_QSPI                FALSE
+#endif
+
+/**
+ * @brief   Enables the RTC subsystem.
+ */
+#if !defined(HAL_USE_RTC) || defined(__DOXYGEN__)
+#define HAL_USE_RTC                 FALSE
+#endif
+
+/**
+ * @brief   Enables the SDC subsystem.
+ */
+#if !defined(HAL_USE_SDC) || defined(__DOXYGEN__)
+#define HAL_USE_SDC                 FALSE
+#endif
+
+/**
+ * @brief   Enables the SERIAL subsystem.
+ */
+#if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)
+#define HAL_USE_SERIAL              FALSE
+#endif
+
+/**
+ * @brief   Enables the SERIAL over USB subsystem.
+ */
+#if !defined(HAL_USE_SERIAL_USB) || defined(__DOXYGEN__)
+#define HAL_USE_SERIAL_USB          TRUE
+#endif
+
+/**
+ * @brief   Enables the SPI subsystem.
+ */
+#if !defined(HAL_USE_SPI) || defined(__DOXYGEN__)
+#define HAL_USE_SPI                 FALSE
+#endif
+
+/**
+ * @brief   Enables the UART subsystem.
+ */
+#if !defined(HAL_USE_UART) || defined(__DOXYGEN__)
+#define HAL_USE_UART                FALSE
+#endif
+
+/**
+ * @brief   Enables the USB subsystem.
+ */
+#if !defined(HAL_USE_USB) || defined(__DOXYGEN__)
+#define HAL_USE_USB                 TRUE
+#endif
+
+/**
+ * @brief   Enables the WDG subsystem.
+ */
+#if !defined(HAL_USE_WDG) || defined(__DOXYGEN__)
+#define HAL_USE_WDG                 FALSE
+#endif
+
+/*===========================================================================*/
+/* ADC driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(ADC_USE_WAIT) || defined(__DOXYGEN__)
+#define ADC_USE_WAIT                TRUE
+#endif
+
+/**
+ * @brief   Enables the @p adcAcquireBus() and @p adcReleaseBus() APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(ADC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
+#define ADC_USE_MUTUAL_EXCLUSION    TRUE
+#endif
+
+/*===========================================================================*/
+/* CAN driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Sleep mode related APIs inclusion switch.
+ */
+#if !defined(CAN_USE_SLEEP_MODE) || defined(__DOXYGEN__)
+#define CAN_USE_SLEEP_MODE          TRUE
+#endif
+
+/*===========================================================================*/
+/* I2C driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables the mutual exclusion APIs on the I2C bus.
+ */
+#if !defined(I2C_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
+#define I2C_USE_MUTUAL_EXCLUSION    TRUE
+#endif
+
+/*===========================================================================*/
+/* MAC driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables an event sources for incoming packets.
+ */
+#if !defined(MAC_USE_ZERO_COPY) || defined(__DOXYGEN__)
+#define MAC_USE_ZERO_COPY           FALSE
+#endif
+
+/**
+ * @brief   Enables an event sources for incoming packets.
+ */
+#if !defined(MAC_USE_EVENTS) || defined(__DOXYGEN__)
+#define MAC_USE_EVENTS              TRUE
+#endif
+
+/*===========================================================================*/
+/* MMC_SPI driver related settings.                                          */
+/*===========================================================================*/
+
+/**
+ * @brief   Delays insertions.
+ * @details If enabled this options inserts delays into the MMC waiting
+ *          routines releasing some extra CPU time for the threads with
+ *          lower priority, this may slow down the driver a bit however.
+ *          This option is recommended also if the SPI driver does not
+ *          use a DMA channel and heavily loads the CPU.
+ */
+#if !defined(MMC_NICE_WAITING) || defined(__DOXYGEN__)
+#define MMC_NICE_WAITING            TRUE
+#endif
+
+/*===========================================================================*/
+/* SDC driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Number of initialization attempts before rejecting the card.
+ * @note    Attempts are performed at 10mS intervals.
+ */
+#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)
+#define SDC_INIT_RETRY              100
+#endif
+
+/**
+ * @brief   Include support for MMC cards.
+ * @note    MMC support is not yet implemented so this option must be kept
+ *          at @p FALSE.
+ */
+#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)
+#define SDC_MMC_SUPPORT             FALSE
+#endif
+
+/**
+ * @brief   Delays insertions.
+ * @details If enabled this options inserts delays into the MMC waiting
+ *          routines releasing some extra CPU time for the threads with
+ *          lower priority, this may slow down the driver a bit however.
+ */
+#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)
+#define SDC_NICE_WAITING            TRUE
+#endif
+
+/*===========================================================================*/
+/* SERIAL driver related settings.                                           */
+/*===========================================================================*/
+
+/**
+ * @brief   Default bit rate.
+ * @details Configuration parameter, this is the baud rate selected for the
+ *          default configuration.
+ */
+#if !defined(SERIAL_DEFAULT_BITRATE) || defined(__DOXYGEN__)
+#define SERIAL_DEFAULT_BITRATE      38400
+#endif
+
+/**
+ * @brief   Serial buffers size.
+ * @details Configuration parameter, you can change the depth of the queue
+ *          buffers depending on the requirements of your application.
+ * @note    The default is 16 bytes for both the transmission and receive
+ *          buffers.
+ */
+#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
+#define SERIAL_BUFFERS_SIZE         16
+#endif
+
+/*===========================================================================*/
+/* SERIAL_USB driver related setting.                                        */
+/*===========================================================================*/
+
+/**
+ * @brief   Serial over USB buffers size.
+ * @details Configuration parameter, the buffer size must be a multiple of
+ *          the USB data endpoint maximum packet size.
+ * @note    The default is 256 bytes for both the transmission and receive
+ *          buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_SIZE) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_SIZE     1
+#endif
+
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+#endif
+
+/*===========================================================================*/
+/* SPI driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(SPI_USE_WAIT) || defined(__DOXYGEN__)
+#define SPI_USE_WAIT                TRUE
+#endif
+
+/**
+ * @brief   Enables the @p spiAcquireBus() and @p spiReleaseBus() APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
+#define SPI_USE_MUTUAL_EXCLUSION    TRUE
+#endif
+
+/*===========================================================================*/
+/* UART driver related settings.                                             */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
+#define UART_USE_WAIT               FALSE
+#endif
+
+/**
+ * @brief   Enables the @p uartAcquireBus() and @p uartReleaseBus() APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
+#endif
+
+/*===========================================================================*/
+/* USB driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
+#define USB_USE_WAIT                TRUE
+#endif
+
+#endif /* HALCONF_H */
+
+/** @} */
diff --git a/keyboards/handwired/co60/rev6/led.c b/keyboards/handwired/co60/rev6/led.c
new file mode 100644
index 0000000000..fe28ce2e8f
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/led.c
@@ -0,0 +1,240 @@
+/*
+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/>.
+*/
+
+#include "hal.h"
+#include "led_custom.h"
+#include "rev6.h"
+#include "printf.h"
+
+static void breathing_callback(PWMDriver *pwmp);
+
+static PWMConfig pwmCFG = {
+  0xFFFF,                              /* PWM clock frequency  */
+  256,                                 /* PWM period (in ticks) 1S (1/10kHz=0.1mS 0.1ms*10000 ticks=1S) */
+  NULL,                                /* No Callback */
+  {
+      {PWM_OUTPUT_DISABLED, NULL},
+      {PWM_OUTPUT_DISABLED, NULL},
+      {PWM_OUTPUT_ACTIVE_HIGH, NULL}, /* Enable Channel 3 */
+      {PWM_OUTPUT_DISABLED, NULL}
+  },
+  0,                                  /* HW dependent part.*/
+  0
+};
+
+static PWMConfig pwmCFG_breathing = {
+  0xFFFF,                              /* 10kHz PWM clock frequency  */
+  256,                                 /* PWM period (in ticks) 1S (1/10kHz=0.1mS 0.1ms*10000 ticks=1S) */
+  breathing_callback,                  /* Breathing Callback */
+  {
+      {PWM_OUTPUT_DISABLED, NULL},
+      {PWM_OUTPUT_DISABLED, NULL},
+      {PWM_OUTPUT_ACTIVE_HIGH, NULL}, /* Enable Channel 3 */
+      {PWM_OUTPUT_DISABLED, NULL}
+  },
+  0,                                  /* HW dependent part.*/
+  0
+};
+
+// See http://jared.geek.nz/2013/feb/linear-led-pwm
+static uint16_t cie_lightness(uint16_t v) {
+  if (v <= 5243)   // if below 8% of max
+    return v / 9;  // same as dividing by 900%
+  else {
+    uint32_t y = (((uint32_t)v + 10486) << 8) / (10486 + 0xFFFFUL);  // add 16% of max and compare
+    // to get a useful result with integer division, we shift left in the expression above
+    // and revert what we've done again after squaring.
+    y = y * y * y >> 8;
+    if (y > 0xFFFFUL)  // prevent overflow
+      return 0xFFFFU;
+    else
+      return (uint16_t)y;
+  }
+}
+
+void backlight_init_ports(void) {
+  palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(2));
+  pwmStart(&PWMD4, &pwmCFG);
+  if (kb_backlight_config.enable) {
+    if (kb_backlight_config.breathing) {
+      breathing_enable();
+    } else {
+      backlight_set(kb_backlight_config.level);
+    }
+  } else {
+    backlight_set(0);
+  }
+}
+
+void backlight_set(uint8_t level) {
+  uint32_t duty = (uint32_t)(cie_lightness(0xFFFF * (uint32_t)level / BACKLIGHT_LEVELS));
+  if (level == 0) {
+    // Turn backlight off
+    // Disable channel 3 on PWM4
+    pwmDisableChannel(&PWMD4, 2);
+  } else {
+    // Turn backlight on
+    if (!is_breathing()) {
+      // Enable channel 3 on PWM4
+      pwmEnableChannel(&PWMD4, 2, PWM_FRACTION_TO_WIDTH(&PWMD4, 0xFFFF, duty));
+    }
+  }
+}
+
+uint8_t backlight_tick = 0;
+
+void backlight_task(void) {
+}
+
+#define BREATHING_NO_HALT  0
+#define BREATHING_HALT_OFF 1
+#define BREATHING_HALT_ON  2
+#define BREATHING_STEPS 128
+
+static uint8_t breathing_period = BREATHING_PERIOD;
+static uint8_t breathing_halt = BREATHING_NO_HALT;
+static uint16_t breathing_counter = 0;
+
+bool is_breathing(void) {
+    return PWMD4.config == &pwmCFG_breathing;
+}
+
+#define breathing_min() do {breathing_counter = 0;} while (0)
+#define breathing_max() do {breathing_counter = breathing_period * 256 / 2;} while (0)
+
+
+void breathing_interrupt_enable(void){
+    pwmStop(&PWMD4);
+    pwmStart(&PWMD4, &pwmCFG_breathing);
+    chSysLockFromISR();
+    pwmEnablePeriodicNotification(&PWMD4);
+    pwmEnableChannelI(
+      &PWMD4,
+      2,
+      PWM_FRACTION_TO_WIDTH(
+        &PWMD4,
+        0xFFFF,
+        0xFFFF
+      )
+    );
+    chSysUnlockFromISR();
+}
+
+void breathing_interrupt_disable(void){
+    pwmStop(&PWMD4);
+    pwmStart(&PWMD4, &pwmCFG);
+}
+
+void breathing_enable(void)
+{
+  breathing_counter = 0;
+  breathing_halt = BREATHING_NO_HALT;
+  breathing_interrupt_enable();
+}
+
+void breathing_pulse(void)
+{
+    if (kb_backlight_config.level == 0)
+      breathing_min();
+    else
+      breathing_max();
+    breathing_halt = BREATHING_HALT_ON;
+    breathing_interrupt_enable();
+}
+
+void breathing_disable(void)
+{
+    breathing_interrupt_disable();
+    // Restore backlight level
+    backlight_set(kb_backlight_config.level);
+}
+
+void breathing_self_disable(void)
+{
+  if (kb_backlight_config.level == 0)
+    breathing_halt = BREATHING_HALT_OFF;
+  else
+    breathing_halt = BREATHING_HALT_ON;
+}
+
+void breathing_toggle(void) {
+  if (is_breathing()){
+    breathing_disable();
+  } else {
+    breathing_enable();
+  }
+}
+
+void breathing_period_set(uint8_t value)
+{
+  if (!value)
+    value = 1;
+  breathing_period = value;
+}
+
+void breathing_period_default(void) {
+  breathing_period_set(BREATHING_PERIOD);
+}
+
+void breathing_period_inc(void)
+{
+  breathing_period_set(breathing_period+1);
+}
+
+void breathing_period_dec(void)
+{
+  breathing_period_set(breathing_period-1);
+}
+
+/* To generate breathing curve in python:
+ * from math import sin, pi; [int(sin(x/128.0*pi)**4*255) for x in range(128)]
+ */
+static const uint8_t breathing_table[BREATHING_STEPS] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 28, 32, 36, 41, 46, 51, 57, 63, 70, 76, 83, 91, 98, 106, 113, 121, 129, 138, 146, 154, 162, 170, 178, 185, 193, 200, 207, 213, 220, 225, 231, 235, 240, 244, 247, 250, 252, 253, 254, 255, 254, 253, 252, 250, 247, 244, 240, 235, 231, 225, 220, 213, 207, 200, 193, 185, 178, 170, 162, 154, 146, 138, 129, 121, 113, 106, 98, 91, 83, 76, 70, 63, 57, 51, 46, 41, 36, 32, 28, 24, 20, 17, 15, 12, 10, 8, 6, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+// Use this before the cie_lightness function.
+static inline uint16_t scale_backlight(uint16_t v) {
+  return v / BACKLIGHT_LEVELS * kb_backlight_config.level;
+}
+
+static void breathing_callback(PWMDriver *pwmp)
+{
+  (void)pwmp;
+  uint16_t interval = (uint16_t) breathing_period * 256 / BREATHING_STEPS;
+  // resetting after one period to prevent ugly reset at overflow.
+  breathing_counter = (breathing_counter + 1) % (breathing_period * 256);
+  uint8_t index = breathing_counter / interval % BREATHING_STEPS;
+
+  if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) ||
+      ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1)))
+  {
+      breathing_interrupt_disable();
+  }
+
+  uint32_t duty = cie_lightness(scale_backlight(breathing_table[index] * 256));
+
+  chSysLockFromISR();
+  pwmEnableChannelI(
+    &PWMD4,
+    2,
+    PWM_FRACTION_TO_WIDTH(
+      &PWMD4,
+      0xFFFF,
+      duty
+    )
+  );
+  chSysUnlockFromISR();
+}
diff --git a/keyboards/handwired/co60/rev6/led_custom.h b/keyboards/handwired/co60/rev6/led_custom.h
new file mode 100644
index 0000000000..96c4d0c2ba
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/led_custom.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2019 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
+
+void backlight_task(void);
+void breathing_interrupt_disable(void);
+void breathing_interrupt_enable(void);
diff --git a/keyboards/handwired/co60/rev6/mcuconf.h b/keyboards/handwired/co60/rev6/mcuconf.h
new file mode 100644
index 0000000000..69bf9185d1
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/mcuconf.h
@@ -0,0 +1,257 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#ifndef MCUCONF_H
+#define MCUCONF_H
+
+/*
+ * STM32F3xx drivers configuration.
+ * The following settings override the default settings present in
+ * the various device driver implementation headers.
+ * Note that the settings for each driver only have effect if the whole
+ * driver is enabled in halconf.h.
+ *
+ * IRQ priorities:
+ * 15...0       Lowest...Highest.
+ *
+ * DMA priorities:
+ * 0...3        Lowest...Highest.
+ */
+
+#define STM32F3xx_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+#define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_HSI_ENABLED                   TRUE
+#define STM32_LSI_ENABLED                   TRUE
+#define STM32_HSE_ENABLED                   TRUE
+#define STM32_LSE_ENABLED                   FALSE
+#define STM32_SW                            STM32_SW_PLL
+#define STM32_PLLSRC                        STM32_PLLSRC_HSE
+#define STM32_PREDIV_VALUE                  1
+#define STM32_PLLMUL_VALUE                  9
+#define STM32_HPRE                          STM32_HPRE_DIV1
+#define STM32_PPRE1                         STM32_PPRE1_DIV2
+#define STM32_PPRE2                         STM32_PPRE2_DIV2
+#define STM32_MCOSEL                        STM32_MCOSEL_NOCLOCK
+#define STM32_ADC12PRES                     STM32_ADC12PRES_DIV1
+#define STM32_ADC34PRES                     STM32_ADC34PRES_DIV1
+#define STM32_USART1SW                      STM32_USART1SW_PCLK
+#define STM32_USART2SW                      STM32_USART2SW_PCLK
+#define STM32_USART3SW                      STM32_USART3SW_PCLK
+#define STM32_UART4SW                       STM32_UART4SW_PCLK
+#define STM32_UART5SW                       STM32_UART5SW_PCLK
+#define STM32_I2C1SW                        STM32_I2C1SW_SYSCLK
+#define STM32_I2C2SW                        STM32_I2C2SW_SYSCLK
+#define STM32_TIM1SW                        STM32_TIM1SW_PCLK2
+#define STM32_TIM8SW                        STM32_TIM8SW_PCLK2
+#define STM32_RTCSEL                        STM32_RTCSEL_LSI
+#define STM32_USB_CLOCK_REQUIRED            TRUE
+#define STM32_USBPRE                        STM32_USBPRE_DIV1P5
+
+#undef STM32_HSE_BYPASS
+// #error "oh no"
+// #endif
+
+/*
+ * ADC driver system settings.
+ */
+#define STM32_ADC_DUAL_MODE                 FALSE
+#define STM32_ADC_COMPACT_SAMPLES           FALSE
+#define STM32_ADC_USE_ADC1                  FALSE
+#define STM32_ADC_USE_ADC2                  FALSE
+#define STM32_ADC_USE_ADC3                  FALSE
+#define STM32_ADC_USE_ADC4                  FALSE
+#define STM32_ADC_ADC1_DMA_STREAM           STM32_DMA_STREAM_ID(1, 1)
+#define STM32_ADC_ADC2_DMA_STREAM           STM32_DMA_STREAM_ID(2, 1)
+#define STM32_ADC_ADC3_DMA_STREAM           STM32_DMA_STREAM_ID(2, 5)
+#define STM32_ADC_ADC4_DMA_STREAM           STM32_DMA_STREAM_ID(2, 2)
+#define STM32_ADC_ADC1_DMA_PRIORITY         2
+#define STM32_ADC_ADC2_DMA_PRIORITY         2
+#define STM32_ADC_ADC3_DMA_PRIORITY         2
+#define STM32_ADC_ADC4_DMA_PRIORITY         2
+#define STM32_ADC_ADC12_IRQ_PRIORITY        5
+#define STM32_ADC_ADC3_IRQ_PRIORITY         5
+#define STM32_ADC_ADC4_IRQ_PRIORITY         5
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY     5
+#define STM32_ADC_ADC2_DMA_IRQ_PRIORITY     5
+#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY     5
+#define STM32_ADC_ADC4_DMA_IRQ_PRIORITY     5
+#define STM32_ADC_ADC12_CLOCK_MODE          ADC_CCR_CKMODE_AHB_DIV1
+#define STM32_ADC_ADC34_CLOCK_MODE          ADC_CCR_CKMODE_AHB_DIV1
+
+/*
+ * CAN driver system settings.
+ */
+#define STM32_CAN_USE_CAN1                  FALSE
+#define STM32_CAN_CAN1_IRQ_PRIORITY         11
+
+/*
+ * DAC driver system settings.
+ */
+#define STM32_DAC_DUAL_MODE                 FALSE
+#define STM32_DAC_USE_DAC1_CH1              TRUE
+#define STM32_DAC_USE_DAC1_CH2              TRUE
+#define STM32_DAC_DAC1_CH1_IRQ_PRIORITY     10
+#define STM32_DAC_DAC1_CH2_IRQ_PRIORITY     10
+#define STM32_DAC_DAC1_CH1_DMA_PRIORITY     2
+#define STM32_DAC_DAC1_CH2_DMA_PRIORITY     2
+
+/*
+ * EXT driver system settings.
+ */
+#define STM32_EXT_EXTI0_IRQ_PRIORITY        6
+#define STM32_EXT_EXTI1_IRQ_PRIORITY        6
+#define STM32_EXT_EXTI2_IRQ_PRIORITY        6
+#define STM32_EXT_EXTI3_IRQ_PRIORITY        6
+#define STM32_EXT_EXTI4_IRQ_PRIORITY        6
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY      6
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY    6
+#define STM32_EXT_EXTI16_IRQ_PRIORITY       6
+#define STM32_EXT_EXTI17_IRQ_PRIORITY       6
+#define STM32_EXT_EXTI18_IRQ_PRIORITY       6
+#define STM32_EXT_EXTI19_IRQ_PRIORITY       6
+#define STM32_EXT_EXTI20_IRQ_PRIORITY       6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI30_32_IRQ_PRIORITY    6
+#define STM32_EXT_EXTI33_IRQ_PRIORITY       6
+
+/*
+ * GPT driver system settings.
+ */
+#define STM32_GPT_USE_TIM1                  FALSE
+#define STM32_GPT_USE_TIM2                  FALSE
+#define STM32_GPT_USE_TIM3                  FALSE
+#define STM32_GPT_USE_TIM4                  FALSE
+#define STM32_GPT_USE_TIM6                  TRUE
+#define STM32_GPT_USE_TIM7                  TRUE
+#define STM32_GPT_USE_TIM8                  TRUE
+#define STM32_GPT_TIM1_IRQ_PRIORITY         7
+#define STM32_GPT_TIM2_IRQ_PRIORITY         7
+#define STM32_GPT_TIM3_IRQ_PRIORITY         7
+#define STM32_GPT_TIM4_IRQ_PRIORITY         7
+#define STM32_GPT_TIM6_IRQ_PRIORITY         7
+#define STM32_GPT_TIM7_IRQ_PRIORITY         7
+#define STM32_GPT_TIM8_IRQ_PRIORITY         7
+
+/*
+ * I2C driver system settings.
+ */
+#define STM32_I2C_USE_I2C1                  FALSE
+#define STM32_I2C_USE_I2C2                  FALSE
+#define STM32_I2C_BUSY_TIMEOUT              50
+#define STM32_I2C_I2C1_IRQ_PRIORITY         10
+#define STM32_I2C_I2C2_IRQ_PRIORITY         10
+#define STM32_I2C_USE_DMA                   TRUE
+#define STM32_I2C_I2C1_DMA_PRIORITY         1
+#define STM32_I2C_I2C2_DMA_PRIORITY         1
+#define STM32_I2C_DMA_ERROR_HOOK(i2cp)      osalSysHalt("DMA failure")
+
+/*
+ * ICU driver system settings.
+ */
+#define STM32_ICU_USE_TIM1                  FALSE
+#define STM32_ICU_USE_TIM2                  FALSE
+#define STM32_ICU_USE_TIM3                  FALSE
+#define STM32_ICU_USE_TIM4                  FALSE
+#define STM32_ICU_USE_TIM8                  FALSE
+#define STM32_ICU_TIM1_IRQ_PRIORITY         7
+#define STM32_ICU_TIM2_IRQ_PRIORITY         7
+#define STM32_ICU_TIM3_IRQ_PRIORITY         7
+#define STM32_ICU_TIM4_IRQ_PRIORITY         7
+#define STM32_ICU_TIM8_IRQ_PRIORITY         7
+
+/*
+ * PWM driver system settings.
+ */
+#define STM32_PWM_USE_ADVANCED              FALSE
+#define STM32_PWM_USE_TIM1                  FALSE
+#define STM32_PWM_USE_TIM2                  FALSE
+#define STM32_PWM_USE_TIM3                  FALSE
+#define STM32_PWM_USE_TIM4                  TRUE
+#define STM32_PWM_USE_TIM8                  FALSE
+#define STM32_PWM_TIM1_IRQ_PRIORITY         7
+#define STM32_PWM_TIM2_IRQ_PRIORITY         7
+#define STM32_PWM_TIM3_IRQ_PRIORITY         7
+#define STM32_PWM_TIM4_IRQ_PRIORITY         7
+#define STM32_PWM_TIM8_IRQ_PRIORITY         7
+
+/*
+ * SERIAL driver system settings.
+ */
+#define STM32_SERIAL_USE_USART1             FALSE
+#define STM32_SERIAL_USE_USART2             TRUE
+#define STM32_SERIAL_USE_USART3             FALSE
+#define STM32_SERIAL_USE_UART4              FALSE
+#define STM32_SERIAL_USE_UART5              FALSE
+#define STM32_SERIAL_USART1_PRIORITY        12
+#define STM32_SERIAL_USART2_PRIORITY        12
+#define STM32_SERIAL_USART3_PRIORITY        12
+#define STM32_SERIAL_UART4_PRIORITY         12
+#define STM32_SERIAL_UART5_PRIORITY         12
+
+/*
+ * SPI driver system settings.
+ */
+#define STM32_SPI_USE_SPI1                  FALSE
+#define STM32_SPI_USE_SPI2                  FALSE
+#define STM32_SPI_USE_SPI3                  FALSE
+#define STM32_SPI_SPI1_DMA_PRIORITY         1
+#define STM32_SPI_SPI2_DMA_PRIORITY         1
+#define STM32_SPI_SPI3_DMA_PRIORITY         1
+#define STM32_SPI_SPI1_IRQ_PRIORITY         10
+#define STM32_SPI_SPI2_IRQ_PRIORITY         10
+#define STM32_SPI_SPI3_IRQ_PRIORITY         10
+#define STM32_SPI_DMA_ERROR_HOOK(spip)      osalSysHalt("DMA failure")
+
+/*
+ * ST driver system settings.
+ */
+#define STM32_ST_IRQ_PRIORITY               8
+#define STM32_ST_USE_TIMER                  2
+
+/*
+ * UART driver system settings.
+ */
+#define STM32_UART_USE_USART1               FALSE
+#define STM32_UART_USE_USART2               FALSE
+#define STM32_UART_USE_USART3               FALSE
+#define STM32_UART_USART1_IRQ_PRIORITY      12
+#define STM32_UART_USART2_IRQ_PRIORITY      12
+#define STM32_UART_USART3_IRQ_PRIORITY      12
+#define STM32_UART_USART1_DMA_PRIORITY      0
+#define STM32_UART_USART2_DMA_PRIORITY      0
+#define STM32_UART_USART3_DMA_PRIORITY      0
+#define STM32_UART_DMA_ERROR_HOOK(uartp)    osalSysHalt("DMA failure")
+
+/*
+ * USB driver system settings.
+ */
+#define STM32_USB_USE_USB1                  TRUE
+#define STM32_USB_LOW_POWER_ON_SUSPEND      FALSE
+#define STM32_USB_USB1_HP_IRQ_PRIORITY      13
+#define STM32_USB_USB1_LP_IRQ_PRIORITY      14
+
+/*
+ * WDG driver system settings.
+ */
+#define STM32_WDG_USE_IWDG                  FALSE
+
+#endif /* MCUCONF_H */
diff --git a/keyboards/handwired/co60/rev6/rev6.c b/keyboards/handwired/co60/rev6/rev6.c
new file mode 100644
index 0000000000..f597513b16
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/rev6.c
@@ -0,0 +1,39 @@
+/* Copyright 2019 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/>.
+ */
+#include "rev6.h"
+
+#include "backlight.h"
+#include "led.h"
+#include "printf.h"
+
+backlight_levels_config_t kb_backlight_config = {
+  .enable = true,
+  .breathing = true,
+  .level = BACKLIGHT_LEVELS
+};
+
+uint8_t *o_fb;
+
+uint16_t counterst = 0;
+
+void matrix_init_kb(void) {
+	matrix_init_user();
+        backlight_init_ports();
+}
+
+void matrix_scan_kb(void) {
+	matrix_scan_user();
+}
diff --git a/keyboards/handwired/co60/rev6/rev6.h b/keyboards/handwired/co60/rev6/rev6.h
new file mode 100644
index 0000000000..7d11f19d3c
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/rev6.h
@@ -0,0 +1,146 @@
+/* Copyright 2019 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 "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 }, \
+}
+
+// Backlighting
+typedef union {
+    uint8_t raw;
+    struct {
+        bool    enable :1;
+        bool    breathing : 1;
+        uint8_t level  :6;
+    };
+} backlight_levels_config_t;
+
+extern backlight_levels_config_t kb_backlight_config;
+extern bool kb_backlight_breathing;
+
+void backlight_init_ports(void);
+void backlight_set(uint8_t level);
+bool is_breathing(void);
+void breathing_enable(void);
+void breathing_disable(void);
diff --git a/keyboards/handwired/co60/rev6/rules.mk b/keyboards/handwired/co60/rev6/rules.mk
new file mode 100644
index 0000000000..dba41e12be
--- /dev/null
+++ b/keyboards/handwired/co60/rev6/rules.mk
@@ -0,0 +1,59 @@
+# project specific files
+
+## chip/board settings
+# - the next two should match the directories in
+#   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+MCU_FAMILY = STM32
+MCU_SERIES = STM32F3xx
+
+# Linker script to use
+# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+#   or <this_dir>/ld/
+MCU_LDSCRIPT = STM32F303xC
+
+# Startup code to use
+#  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+MCU_STARTUP = stm32f3xx
+
+# Board: it should exist either in <chibios>/os/hal/boards/
+#  or <this_dir>/boards
+BOARD = GENERIC_STM32_F303XC
+
+# Cortex version
+MCU  = cortex-m4
+
+# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+ARMV = 7
+
+USE_FPU = yes
+
+# Vector table for application
+# 0x00000000-0x00001000 area is occupied by bootlaoder.*/
+# The CORTEX_VTOR... is needed only for MCHCK/Infinity KB
+# OPT_DEFS = -DCORTEX_VTOR_INIT=0x08005000
+
+# Options to pass to dfu-util when flashing
+DFU_ARGS = -d 0483:df11 -a 0 -s 0x08000000:leave
+DFU_SUFFIX_ARGS = -v 0483 -p df11
+
+# Code for backlight breathing:
+SRC += led.c
+
+# Build Options
+#   comment out to disable the options.
+#
+BACKLIGHT_ENABLE = yes
+BOOTMAGIC_ENABLE = no   # 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
+NKRO_ENABLE = yes       # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+AUDIO_ENABLE = no
+RGBLIGHT_ENABLE = no    # Enable keyboard underlight functionality
+MIDI_ENABLE = no        # MIDI controls
+UNICODE_ENABLE = no     # Unicode
+BLUETOOTH_ENABLE = no   # Enable Bluetooth with the Adafruit EZ-Key HID
+LEADER_ENABLE = yes
+
+LAYOUTS += 60_ansi 60_ansi_split_bs_rshift 60_iso 60_hhkb