Add Choconum (#8709)

* Add Choconum

* Disable SPI/I2C, add mem fix

* Rename layouts

* Nuke unused config.h files

* Fix username

13 files changed, 1871 insertions, 0 deletions

diff --git a/keyboards/keebio/choconum/chconf.h b/keyboards/keebio/choconum/chconf.h
new file mode 100644
index 0000000000..03f63da36a
--- /dev/null
+++ b/keyboards/keebio/choconum/chconf.h
@@ -0,0 +1,714 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 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    rt/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_
+#define _CHIBIOS_RT_CONF_VER_6_0_
+
+/*===========================================================================*/
+/**
+ * @name System timers settings
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   System time counter resolution.
+ * @note    Allowed values are 16 or 32 bits.
+ */
+#if !defined(CH_CFG_ST_RESOLUTION)
+#define CH_CFG_ST_RESOLUTION                32
+#endif
+
+/**
+ * @brief   System tick frequency.
+ * @details Frequency of the system timer that drives the system ticks. This
+ *          setting also defines the system tick time unit.
+ */
+#if !defined(CH_CFG_ST_FREQUENCY)
+#define CH_CFG_ST_FREQUENCY                 10000
+#endif
+
+/**
+ * @brief   Time intervals data size.
+ * @note    Allowed values are 16, 32 or 64 bits.
+ */
+#if !defined(CH_CFG_INTERVALS_SIZE)
+#define CH_CFG_INTERVALS_SIZE               32
+#endif
+
+/**
+ * @brief   Time types data size.
+ * @note    Allowed values are 16 or 32 bits.
+ */
+#if !defined(CH_CFG_TIME_TYPES_SIZE)
+#define CH_CFG_TIME_TYPES_SIZE              32
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_ST_TIMEDELTA)
+#define CH_CFG_ST_TIMEDELTA                 2
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_TIME_QUANTUM)
+#define CH_CFG_TIME_QUANTUM                 0
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_MEMCORE_SIZE)
+#define CH_CFG_MEMCORE_SIZE                 0
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_NO_IDLE_THREAD)
+#define CH_CFG_NO_IDLE_THREAD               FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_OPTIMIZE_SPEED)
+#define CH_CFG_OPTIMIZE_SPEED               FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_TM)
+#define CH_CFG_USE_TM                       FALSE
+#endif
+
+/**
+ * @brief   Threads registry APIs.
+ * @details If enabled then the registry APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_REGISTRY)
+#define CH_CFG_USE_REGISTRY                 TRUE
+#endif
+
+/**
+ * @brief   Threads synchronization APIs.
+ * @details If enabled then the @p chThdWait() function is included in
+ *          the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_WAITEXIT)
+#define CH_CFG_USE_WAITEXIT                 TRUE
+#endif
+
+/**
+ * @brief   Semaphores APIs.
+ * @details If enabled then the Semaphores APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_SEMAPHORES)
+#define CH_CFG_USE_SEMAPHORES               TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_SEMAPHORES_PRIORITY)
+#define CH_CFG_USE_SEMAPHORES_PRIORITY      FALSE
+#endif
+
+/**
+ * @brief   Mutexes APIs.
+ * @details If enabled then the mutexes APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_MUTEXES)
+#define CH_CFG_USE_MUTEXES                  TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_MUTEXES_RECURSIVE)
+#define CH_CFG_USE_MUTEXES_RECURSIVE        FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_CONDVARS)
+#define CH_CFG_USE_CONDVARS                 TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_CONDVARS_TIMEOUT)
+#define CH_CFG_USE_CONDVARS_TIMEOUT         FALSE
+#endif
+
+/**
+ * @brief   Events Flags APIs.
+ * @details If enabled then the event flags APIs are included in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_EVENTS)
+#define CH_CFG_USE_EVENTS                   TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_EVENTS_TIMEOUT)
+#define CH_CFG_USE_EVENTS_TIMEOUT           TRUE
+#endif
+
+/**
+ * @brief   Synchronous Messages APIs.
+ * @details If enabled then the synchronous messages APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_MESSAGES)
+#define CH_CFG_USE_MESSAGES                 TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_MESSAGES_PRIORITY)
+#define CH_CFG_USE_MESSAGES_PRIORITY        FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_MAILBOXES)
+#define CH_CFG_USE_MAILBOXES                TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_MEMCORE)
+#define CH_CFG_USE_MEMCORE                  TRUE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_HEAP)
+#define CH_CFG_USE_HEAP                     FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_MEMPOOLS)
+#define CH_CFG_USE_MEMPOOLS                 FALSE
+#endif
+
+/**
+ * @brief   Objects FIFOs APIs.
+ * @details If enabled then the objects FIFOs APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_OBJ_FIFOS)
+#define CH_CFG_USE_OBJ_FIFOS                FALSE
+#endif
+
+/**
+ * @brief   Pipes APIs.
+ * @details If enabled then the pipes APIs are included
+ *          in the kernel.
+ *
+ * @note    The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_PIPES)
+#define CH_CFG_USE_PIPES                    FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_CFG_USE_DYNAMIC)
+#define CH_CFG_USE_DYNAMIC                  FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Objects factory options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   Objects Factory APIs.
+ * @details If enabled then the objects factory APIs are included in the
+ *          kernel.
+ *
+ * @note    The default is @p FALSE.
+ */
+#if !defined(CH_CFG_USE_FACTORY)
+#define CH_CFG_USE_FACTORY                  FALSE
+#endif
+
+/**
+ * @brief   Maximum length for object names.
+ * @details If the specified length is zero then the name is stored by
+ *          pointer but this could have unintended side effects.
+ */
+#if !defined(CH_CFG_FACTORY_MAX_NAMES_LENGTH)
+#define CH_CFG_FACTORY_MAX_NAMES_LENGTH     8
+#endif
+
+/**
+ * @brief   Enables the registry of generic objects.
+ */
+#if !defined(CH_CFG_FACTORY_OBJECTS_REGISTRY)
+#define CH_CFG_FACTORY_OBJECTS_REGISTRY     FALSE
+#endif
+
+/**
+ * @brief   Enables factory for generic buffers.
+ */
+#if !defined(CH_CFG_FACTORY_GENERIC_BUFFERS)
+#define CH_CFG_FACTORY_GENERIC_BUFFERS      FALSE
+#endif
+
+/**
+ * @brief   Enables factory for semaphores.
+ */
+#if !defined(CH_CFG_FACTORY_SEMAPHORES)
+#define CH_CFG_FACTORY_SEMAPHORES           FALSE
+#endif
+
+/**
+ * @brief   Enables factory for mailboxes.
+ */
+#if !defined(CH_CFG_FACTORY_MAILBOXES)
+#define CH_CFG_FACTORY_MAILBOXES            FALSE
+#endif
+
+/**
+ * @brief   Enables factory for objects FIFOs.
+ */
+#if !defined(CH_CFG_FACTORY_OBJ_FIFOS)
+#define CH_CFG_FACTORY_OBJ_FIFOS            FALSE
+#endif
+
+/**
+ * @brief   Enables factory for Pipes.
+ */
+#if !defined(CH_CFG_FACTORY_PIPES) || defined(__DOXYGEN__)
+#define CH_CFG_FACTORY_PIPES                FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Debug options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   Debug option, kernel statistics.
+ *
+ * @note    The default is @p FALSE.
+ */
+#if !defined(CH_DBG_STATISTICS)
+#define CH_DBG_STATISTICS                   FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_SYSTEM_STATE_CHECK)
+#define CH_DBG_SYSTEM_STATE_CHECK           FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_ENABLE_CHECKS)
+#define CH_DBG_ENABLE_CHECKS                FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_ENABLE_ASSERTS)
+#define CH_DBG_ENABLE_ASSERTS               FALSE
+#endif
+
+/**
+ * @brief   Debug option, trace buffer.
+ * @details If enabled then the trace buffer is activated.
+ *
+ * @note    The default is @p CH_DBG_TRACE_MASK_DISABLED.
+ */
+#if !defined(CH_DBG_TRACE_MASK)
+#define CH_DBG_TRACE_MASK                   CH_DBG_TRACE_MASK_DISABLED
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_TRACE_BUFFER_SIZE)
+#define CH_DBG_TRACE_BUFFER_SIZE            128
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_ENABLE_STACK_CHECK)
+#define CH_DBG_ENABLE_STACK_CHECK           FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_FILL_THREADS)
+#define CH_DBG_FILL_THREADS                 FALSE
+#endif
+
+/**
+ * @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.
+ */
+#if !defined(CH_DBG_THREADS_PROFILING)
+#define CH_DBG_THREADS_PROFILING            FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Kernel hooks
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief   System structure extension.
+ * @details User fields added to the end of the @p ch_system_t structure.
+ */
+#define CH_CFG_SYSTEM_EXTRA_FIELDS                                          \
+  /* Add threads custom fields here.*/
+
+/**
+ * @brief   System initialization hook.
+ * @details User initialization code added to the @p chSysInit() function
+ *          just before interrupts are enabled globally.
+ */
+#define CH_CFG_SYSTEM_INIT_HOOK() {                                         \
+  /* Add threads initialization code here.*/                                \
+}
+
+/**
+ * @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 _thread_init() function.
+ *
+ * @note    It is invoked from within @p _thread_init() 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/keebio/choconum/choconum.c b/keyboards/keebio/choconum/choconum.c
new file mode 100644
index 0000000000..5360a716d7
--- /dev/null
+++ b/keyboards/keebio/choconum/choconum.c
@@ -0,0 +1 @@
+#include "choconum.h"
diff --git a/keyboards/keebio/choconum/choconum.h b/keyboards/keebio/choconum/choconum.h
new file mode 100644
index 0000000000..e77c5886ec
--- /dev/null
+++ b/keyboards/keebio/choconum/choconum.h
@@ -0,0 +1,49 @@
+/* Copyright 2020 Keebio
+ *
+ * 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"
+
+#define LAYOUT_ortho_5x4( \
+    KA1, KA2, KA3, KA4, \
+    KB1, KB2, KB3, KB4, \
+    KC1, KC2, KC3, KC4, \
+    KD1, KD2, KD3, KD4, \
+    KE1, KE2, KE3, KE4 \
+) \
+{ \
+    { KA1, KA2, KA3, KA4 }, \
+    { KB1, KB2, KB3, KB4 }, \
+    { KC1, KC2, KC3, KC4 }, \
+    { KD1, KD2, KD3, KD4 }, \
+    { KE1, KE2, KE3, KE4 } \
+}
+
+#define LAYOUT_numpad_5x4( \
+    KA1, KA2, KA3, KA4, \
+    KB1, KB2, KB3, KB4, \
+    KC1, KC2, KC3, \
+    KD1, KD2, KD3, KD4, \
+    KE1,      KE3 \
+) \
+{ \
+    { KA1, KA2, KA3, KA4 }, \
+    { KB1, KB2, KB3, KB4 }, \
+    { KC1, KC2, KC3, KC_NO }, \
+    { KD1, KD2, KD3, KD4 }, \
+    { KE1, KC_NO, KE3, KC_NO } \
+}
diff --git a/keyboards/keebio/choconum/config.h b/keyboards/keebio/choconum/config.h
new file mode 100644
index 0000000000..9eee4eca9b
--- /dev/null
+++ b/keyboards/keebio/choconum/config.h
@@ -0,0 +1,207 @@
+/*
+Copyright 2020 Keebio
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xCB10
+#define PRODUCT_ID 0x1154
+#define DEVICE_VER 0x0100
+#define MANUFACTURER Keebio
+#define PRODUCT Choconum
+#define DESCRIPTION Low-Profile Numpad
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 4
+#define DIRECT_PINS { \
+    { B2, B10, B3, B4 }, \
+    { B1, B11, A15, B5 }, \
+    { B0, A5, B7, F0 }, \
+    { A7, A6, B8, B6 }, \
+    { A4, A3, B9, F1 } \
+}
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* 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.
+ *
+ */
+
+/* key combination for magic key command */
+/* defined by default; to change, uncomment and set to the combination you want */
+// #define IS_COMMAND() (get_mods() == MOD_MASK_SHIFT)
+
+/* 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_HELP           H
+//#define MAGIC_KEY_HELP_ALT       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         0
+//#define MAGIC_KEY_LAYER0_ALT     GRAVE
+//#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     B
+//#define MAGIC_KEY_BOOTLOADER_ALT ESC
+//#define MAGIC_KEY_LOCK           CAPS
+//#define MAGIC_KEY_EEPROM         E
+//#define MAGIC_KEY_EEPROM_CLEAR   BSPACE
+//#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
+
+/* disable these deprecated features by default */
+#ifndef LINK_TIME_OPTIMIZATION_ENABLE
+  #define NO_ACTION_MACRO
+  #define NO_ACTION_FUNCTION
+#endif
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+//#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 1
+
+/*
+ * HD44780 LCD Display Configuration
+ */
+/*
+#define LCD_LINES           2     //< number of visible lines of the display
+#define LCD_DISP_LENGTH    16     //< visibles characters per line of the display
+
+#define LCD_IO_MODE      1            //< 0: memory mapped mode, 1: IO port mode
+
+#if LCD_IO_MODE
+#define LCD_PORT         PORTB        //< port for the LCD lines
+#define LCD_DATA0_PORT   LCD_PORT     //< port for 4bit data bit 0
+#define LCD_DATA1_PORT   LCD_PORT     //< port for 4bit data bit 1
+#define LCD_DATA2_PORT   LCD_PORT     //< port for 4bit data bit 2
+#define LCD_DATA3_PORT   LCD_PORT     //< port for 4bit data bit 3
+#define LCD_DATA0_PIN    4            //< pin for 4bit data bit 0
+#define LCD_DATA1_PIN    5            //< pin for 4bit data bit 1
+#define LCD_DATA2_PIN    6            //< pin for 4bit data bit 2
+#define LCD_DATA3_PIN    7            //< pin for 4bit data bit 3
+#define LCD_RS_PORT      LCD_PORT     //< port for RS line
+#define LCD_RS_PIN       3            //< pin  for RS line
+#define LCD_RW_PORT      LCD_PORT     //< port for RW line
+#define LCD_RW_PIN       2            //< pin  for RW line
+#define LCD_E_PORT       LCD_PORT     //< port for Enable line
+#define LCD_E_PIN        1            //< pin  for Enable line
+#endif
+*/
+
+/* Bootmagic Lite key configuration */
+// #define BOOTMAGIC_LITE_ROW 0
+// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/keebio/choconum/halconf.h b/keyboards/keebio/choconum/halconf.h
new file mode 100644
index 0000000000..ff5ae7e8a5
--- /dev/null
+++ b/keyboards/keebio/choconum/halconf.h
@@ -0,0 +1,525 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 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
+
+#define _CHIBIOS_HAL_CONF_
+#define _CHIBIOS_HAL_CONF_VER_7_0_
+
+#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 cryptographic subsystem.
+ */
+#if !defined(HAL_USE_CRY) || defined(__DOXYGEN__)
+#define HAL_USE_CRY                         FALSE
+#endif
+
+/**
+ * @brief   Enables the DAC subsystem.
+ */
+#if !defined(HAL_USE_DAC) || defined(__DOXYGEN__)
+#define HAL_USE_DAC                         FALSE
+#endif
+
+/**
+ * @brief   Enables the GPT subsystem.
+ */
+#if !defined(HAL_USE_GPT) || defined(__DOXYGEN__)
+#define HAL_USE_GPT                         FALSE
+#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 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                  FALSE
+#endif
+
+/**
+ * @brief   Enables the SIO subsystem.
+ */
+#if !defined(HAL_USE_SIO) || defined(__DOXYGEN__)
+#define HAL_USE_SIO                         FALSE
+#endif
+
+/**
+ * @brief   Enables the SPI subsystem.
+ */
+#if !defined(HAL_USE_SPI) || defined(__DOXYGEN__)
+#define HAL_USE_SPI                         FALSE
+#endif
+
+/**
+ * @brief   Enables the TRNG subsystem.
+ */
+#if !defined(HAL_USE_TRNG) || defined(__DOXYGEN__)
+#define HAL_USE_TRNG                        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
+
+/**
+ * @brief   Enables the WSPI subsystem.
+ */
+#if !defined(HAL_USE_WSPI) || defined(__DOXYGEN__)
+#define HAL_USE_WSPI                        FALSE
+#endif
+
+/*===========================================================================*/
+/* PAL driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(PAL_USE_CALLBACKS) || defined(__DOXYGEN__)
+#define PAL_USE_CALLBACKS                   FALSE
+#endif
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(PAL_USE_WAIT) || defined(__DOXYGEN__)
+#define PAL_USE_WAIT                        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
+
+/**
+ * @brief   Enforces the driver to use direct callbacks rather than OSAL events.
+ */
+#if !defined(CAN_ENFORCE_USE_CALLBACKS) || defined(__DOXYGEN__)
+#define CAN_ENFORCE_USE_CALLBACKS           FALSE
+#endif
+
+/*===========================================================================*/
+/* CRY driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables the SW fall-back of the cryptographic driver.
+ * @details When enabled, this option, activates a fall-back software
+ *          implementation for algorithms not supported by the underlying
+ *          hardware.
+ * @note    Fall-back implementations may not be present for all algorithms.
+ */
+#if !defined(HAL_CRY_USE_FALLBACK) || defined(__DOXYGEN__)
+#define HAL_CRY_USE_FALLBACK                FALSE
+#endif
+
+/**
+ * @brief   Makes the driver forcibly use the fall-back implementations.
+ */
+#if !defined(HAL_CRY_ENFORCE_FALLBACK) || defined(__DOXYGEN__)
+#define HAL_CRY_ENFORCE_FALLBACK            FALSE
+#endif
+
+/*===========================================================================*/
+/* DAC driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(DAC_USE_WAIT) || defined(__DOXYGEN__)
+#define DAC_USE_WAIT                        TRUE
+#endif
+
+/**
+ * @brief   Enables the @p dacAcquireBus() and @p dacReleaseBus() APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(DAC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
+#define DAC_USE_MUTUAL_EXCLUSION            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 the zero-copy API.
+ */
+#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
+
+/**
+ * @brief   OCR initialization constant for V20 cards.
+ */
+#if !defined(SDC_INIT_OCR_V20) || defined(__DOXYGEN__)
+#define SDC_INIT_OCR_V20                    0x50FF8000U
+#endif
+
+/**
+ * @brief   OCR initialization constant for non-V20 cards.
+ */
+#if !defined(SDC_INIT_OCR) || defined(__DOXYGEN__)
+#define SDC_INIT_OCR                        0x80100000U
+#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 circular transfers APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(SPI_USE_CIRCULAR) || defined(__DOXYGEN__)
+#define SPI_USE_CIRCULAR                    FALSE
+#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
+
+/**
+ * @brief   Handling method for SPI CS line.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(SPI_SELECT_MODE) || defined(__DOXYGEN__)
+#define SPI_SELECT_MODE                     SPI_SELECT_MODE_PAD
+#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
+
+/*===========================================================================*/
+/* WSPI driver related settings.                                             */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables synchronous APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(WSPI_USE_WAIT) || defined(__DOXYGEN__)
+#define WSPI_USE_WAIT                       TRUE
+#endif
+
+/**
+ * @brief   Enables the @p wspiAcquireBus() and @p wspiReleaseBus() APIs.
+ * @note    Disabling this option saves both code and data space.
+ */
+#if !defined(WSPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
+#define WSPI_USE_MUTUAL_EXCLUSION           TRUE
+#endif
+
+#endif /* HALCONF_H */
+
+/** @} */
diff --git a/keyboards/keebio/choconum/info.json b/keyboards/keebio/choconum/info.json
new file mode 100644
index 0000000000..8886235667
--- /dev/null
+++ b/keyboards/keebio/choconum/info.json
@@ -0,0 +1,64 @@
+{
+    "keyboard_name": "Choconum",
+    "url": "https://keeb.io",
+    "maintainer": "Keebio",
+    "width": 5,
+    "height": 4,
+    "layouts": {
+        "LAYOUT_numpad_5x4": {
+            "key_count": 17,
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+                {"x":3, "y":1, "h":2},
+
+                {"x":0, "y":2},
+                {"x":1, "y":2},
+                {"x":2, "y":2},
+
+                {"x":0, "y":3},
+                {"x":1, "y":3},
+                {"x":2, "y":3},
+                {"x":3, "y":3, "h":2},
+
+                {"x":0, "y":4,"w":2},
+                {"x":2, "y":4}
+            ]
+        },
+        "LAYOUT_ortho_5x4": {
+            "key_count": 20,
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+                {"x":3, "y":1},
+
+                {"x":0, "y":2},
+                {"x":1, "y":2},
+                {"x":2, "y":2},
+                {"x":3, "y":2},
+
+                {"x":0, "y":3},
+                {"x":1, "y":3},
+                {"x":2, "y":3},
+                {"x":3, "y":3},
+
+                {"x":0, "y":4},
+                {"x":1, "y":4},
+                {"x":2, "y":4},
+                {"x":3, "y":4}
+            ]
+        }
+    }
+}
diff --git a/keyboards/keebio/choconum/keymaps/default/keymap.c b/keyboards/keebio/choconum/keymaps/default/keymap.c
new file mode 100644
index 0000000000..d6f0af3c8c
--- /dev/null
+++ b/keyboards/keebio/choconum/keymaps/default/keymap.c
@@ -0,0 +1,40 @@
+/* Copyright 2020 Keebio
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+    _BASE,
+    _FN
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base */
+    [_BASE] = LAYOUT_numpad_5x4(
+        KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
+        KC_P4,   KC_P5,   KC_P6,
+        KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,            KC_PDOT
+    ),
+    [_FN] = LAYOUT_numpad_5x4(
+        _______, _______, _______, _______,
+        KC_HOME, KC_UP,   KC_PGUP, _______,
+        KC_LEFT, _______, KC_RGHT,
+        KC_END,  KC_DOWN, KC_PGDN, KC_PEQL,
+        KC_INS,           KC_DEL
+    )
+};
diff --git a/keyboards/keebio/choconum/keymaps/via/keymap.c b/keyboards/keebio/choconum/keymaps/via/keymap.c
new file mode 100644
index 0000000000..fec5e59e70
--- /dev/null
+++ b/keyboards/keebio/choconum/keymaps/via/keymap.c
@@ -0,0 +1,48 @@
+/* Copyright 2020 Keebio
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base */
+    [0] = LAYOUT_ortho_5x4(
+        KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
+        KC_P4,   KC_P5,   KC_P6,   KC_PEQL,
+        KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,   KC_P0,   KC_PDOT, KC_PENT
+    ),
+    [1] = LAYOUT_ortho_5x4(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______
+    ),
+    [2] = LAYOUT_ortho_5x4(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______
+    ),
+    [3] = LAYOUT_ortho_5x4(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______
+    )
+};
diff --git a/keyboards/keebio/choconum/keymaps/via/readme.md b/keyboards/keebio/choconum/keymaps/via/readme.md
new file mode 100644
index 0000000000..58d53f0dfe
--- /dev/null
+++ b/keyboards/keebio/choconum/keymaps/via/readme.md
@@ -0,0 +1 @@
+# The default keymap for choconum
diff --git a/keyboards/keebio/choconum/keymaps/via/rules.mk b/keyboards/keebio/choconum/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/keebio/choconum/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/keebio/choconum/mcuconf.h b/keyboards/keebio/choconum/mcuconf.h
new file mode 100644
index 0000000000..0e49478c8b
--- /dev/null
+++ b/keyboards/keebio/choconum/mcuconf.h
@@ -0,0 +1,176 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 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_
+
+/*
+ * STM32F0xx 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:
+ * 3...0       Lowest...Highest.
+ *
+ * DMA priorities:
+ * 0...3        Lowest...Highest.
+ */
+
+#define STM32F0xx_MCUCONF
+// #define STM32F070xB
+
+/*
+ * 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_HSI14_ENABLED                 TRUE
+#define STM32_HSI48_ENABLED                 FALSE
+#define STM32_LSI_ENABLED                   TRUE
+#define STM32_HSE_ENABLED                   FALSE
+#define STM32_LSE_ENABLED                   FALSE
+#define STM32_SW                            STM32_SW_PLL
+#define STM32_PLLSRC                        STM32_PLLSRC_HSI_DIV2
+#define STM32_PREDIV_VALUE                  1
+#define STM32_PLLMUL_VALUE                  12
+#define STM32_HPRE                          STM32_HPRE_DIV1
+#define STM32_PPRE                          STM32_PPRE_DIV1
+#define STM32_ADCSW                         STM32_ADCSW_HSI14
+#define STM32_ADCPRE                        STM32_ADCPRE_DIV4
+#define STM32_MCOSEL                        STM32_MCOSEL_NOCLOCK
+#define STM32_ADCPRE                        STM32_ADCPRE_DIV4
+#define STM32_ADCSW                         STM32_ADCSW_HSI14
+#define STM32_USBSW                         STM32_USBSW_HSI48
+#define STM32_CECSW                         STM32_CECSW_HSI
+#define STM32_I2C1SW                        STM32_I2C1SW_HSI
+#define STM32_USART1SW                      STM32_USART1SW_PCLK
+#define STM32_RTCSEL                        STM32_RTCSEL_LSI
+
+/*
+ * ADC driver system settings.
+ */
+#define STM32_ADC_USE_ADC1                  FALSE
+#define STM32_ADC_ADC1_DMA_PRIORITY         2
+#define STM32_ADC_IRQ_PRIORITY              2
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY     2
+
+/*
+ * EXT driver system settings.
+ */
+#define STM32_EXT_EXTI0_1_IRQ_PRIORITY      3
+#define STM32_EXT_EXTI2_3_IRQ_PRIORITY      3
+#define STM32_EXT_EXTI4_15_IRQ_PRIORITY     3
+#define STM32_EXT_EXTI16_IRQ_PRIORITY       3
+#define STM32_EXT_EXTI17_IRQ_PRIORITY       3
+
+/*
+ * 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_TIM14                 FALSE
+#define STM32_GPT_TIM1_IRQ_PRIORITY         2
+#define STM32_GPT_TIM2_IRQ_PRIORITY         2
+#define STM32_GPT_TIM3_IRQ_PRIORITY         2
+#define STM32_GPT_TIM14_IRQ_PRIORITY        2
+
+/*
+ * 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         3
+#define STM32_I2C_I2C2_IRQ_PRIORITY         3
+#define STM32_I2C_USE_DMA                   TRUE
+#define STM32_I2C_I2C1_DMA_PRIORITY         1
+#define STM32_I2C_I2C2_DMA_PRIORITY         1
+#define STM32_I2C_I2C1_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 6)
+#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_TIM1_IRQ_PRIORITY         3
+#define STM32_ICU_TIM2_IRQ_PRIORITY         3
+#define STM32_ICU_TIM3_IRQ_PRIORITY         3
+
+/*
+ * 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                  TRUE
+#define STM32_PWM_TIM1_IRQ_PRIORITY         3
+#define STM32_PWM_TIM2_IRQ_PRIORITY         3
+#define STM32_PWM_TIM3_IRQ_PRIORITY         3
+
+/*
+ * SERIAL driver system settings.
+ */
+#define STM32_SERIAL_USE_USART1             FALSE
+#define STM32_SERIAL_USE_USART2             FALSE
+#define STM32_SERIAL_USART1_PRIORITY        3
+#define STM32_SERIAL_USART2_PRIORITY        3
+
+/*
+ * SPI driver system settings.
+ */
+#define STM32_SPI_USE_SPI1                  FALSE
+#define STM32_SPI_USE_SPI2                  FALSE
+#define STM32_SPI_SPI1_DMA_PRIORITY         1
+#define STM32_SPI_SPI2_DMA_PRIORITY         1
+#define STM32_SPI_SPI1_IRQ_PRIORITY         2
+#define STM32_SPI_SPI2_IRQ_PRIORITY         2
+#define STM32_SPI_SPI2_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 5)
+#define STM32_SPI_DMA_ERROR_HOOK(spip)      osalSysHalt("DMA failure")
+
+/*
+ * ST driver system settings.
+ */
+#define STM32_ST_IRQ_PRIORITY               2
+#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_USART1_IRQ_PRIORITY      3
+#define STM32_UART_USART2_IRQ_PRIORITY      3
+#define STM32_UART_USART1_DMA_PRIORITY      0
+#define STM32_UART_USART2_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_LP_IRQ_PRIORITY      3
+
+#endif /* _MCUCONF_H_ */
diff --git a/keyboards/keebio/choconum/readme.md b/keyboards/keebio/choconum/readme.md
new file mode 100644
index 0000000000..7c2f70001e
--- /dev/null
+++ b/keyboards/keebio/choconum/readme.md
@@ -0,0 +1,18 @@
+# Choconum
+
+![Choconum](https://cdn.shopify.com/s/files/1/1851/5125/products/image_ac483e26-c47b-4939-904f-41ad8de28210_1024x1024@2x.jpg?v=1586055933)
+
+A numpad for Kailh Choc switches
+
+* Keyboard Maintainer: [Keebio](https://github.com/nooges)
+* Hardware Availability: [Keebio - Choconum](https://keeb.io/products/choconum-kailh-choc-numpad)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make keebio/choconum:default
+
+Example of flashing this keyboard:
+
+    make keebio/choconum:default:flash
+
+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/keebio/choconum/rules.mk b/keyboards/keebio/choconum/rules.mk
new file mode 100644
index 0000000000..9e754e09a9
--- /dev/null
+++ b/keyboards/keebio/choconum/rules.mk
@@ -0,0 +1,27 @@
+# MCU name
+MCU = STM32F072
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = yes        # Console for debug
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+MIDI_ENABLE = no            # MIDI support
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no         # Enable support for HD44780 based LCDs
+
+LAYOUTS = ortho_5x4 numpad_5x4
+
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE