aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--.gitignore3
-rw-r--r--Makefile191
-rw-r--r--buttons.c59
-rw-r--r--buttons.h20
-rw-r--r--cfg/chconf.h479
-rw-r--r--cfg/halconf.h531
-rw-r--r--cfg/mcuconf.h171
-rw-r--r--dogs.c165
-rw-r--r--dogs.h25
-rw-r--r--main.c67
-rwxr-xr-xopenocd.sh1
11 files changed, 1712 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9d75526
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+ChibiOS_*/
+build
+.dep
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..efef021
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,191 @@
+##############################################################################
+# Build global options
+# NOTE: Can be overridden externally.
+#
+
+# Compiler options here.
+ifeq ($(USE_OPT),)
+ USE_OPT = -Os -ggdb -fomit-frame-pointer -falign-functions=16
+endif
+
+# C specific options here (added to USE_OPT).
+ifeq ($(USE_COPT),)
+ USE_COPT =
+endif
+
+# C++ specific options here (added to USE_OPT).
+ifeq ($(USE_CPPOPT),)
+ USE_CPPOPT = -fno-rtti
+endif
+
+# Enable this if you want the linker to remove unused code and data.
+ifeq ($(USE_LINK_GC),)
+ USE_LINK_GC = yes
+endif
+
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+ USE_LDOPT =
+endif
+
+# Enable this if you want link time optimizations (LTO).
+ifeq ($(USE_LTO),)
+ USE_LTO = yes
+endif
+
+# Enable this if you want to see the full log while compiling.
+ifeq ($(USE_VERBOSE_COMPILE),)
+ USE_VERBOSE_COMPILE = no
+endif
+
+# If enabled, this option makes the build process faster by not compiling
+# modules not used in the current configuration.
+ifeq ($(USE_SMART_BUILD),)
+ USE_SMART_BUILD = yes
+endif
+
+#
+# Build global options
+##############################################################################
+
+##############################################################################
+# Architecture or project specific options
+#
+
+# Stack size to be allocated to the Cortex-M process stack. This stack is
+# the stack used by the main() thread.
+ifeq ($(USE_PROCESS_STACKSIZE),)
+ USE_PROCESS_STACKSIZE = 0x80
+endif
+
+# Stack size to the allocated to the Cortex-M main/exceptions stack. This
+# stack is used for processing interrupts and exceptions.
+ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
+ USE_EXCEPTIONS_STACKSIZE = 0x100
+endif
+
+# Enables the use of FPU (no, softfp, hard).
+ifeq ($(USE_FPU),)
+ USE_FPU = no
+endif
+
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+ USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv4-sp-d16
+endif
+
+#
+# Architecture or project specific options
+##############################################################################
+
+##############################################################################
+# Project, target, sources and paths
+#
+
+# Define project name here
+PROJECT = ch
+
+# Target settings.
+MCU = cortex-m0
+
+# Imported source files and paths.
+CHIBIOS := ./ChibiOS_20.3.2
+CONFDIR := ./cfg
+BUILDDIR := ./build
+DEPDIR := ./.dep
+
+# Licensing files.
+include $(CHIBIOS)/os/license/license.mk
+# Startup files.
+include $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_stm32l0xx.mk
+# HAL-OSAL files (optional).
+include $(CHIBIOS)/os/hal/hal.mk
+include $(CHIBIOS)/os/hal/ports/STM32/STM32L0xx/platform.mk
+include $(CHIBIOS)/os/hal/boards/ST_NUCLEO32_L011K4/board.mk
+include $(CHIBIOS)/os/hal/osal/rt-nil/osal.mk
+# RTOS files (optional).
+include $(CHIBIOS)/os/nil/nil.mk
+include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v6m.mk
+# Auto-build files in ./source recursively.
+include $(CHIBIOS)/tools/mk/autobuild.mk
+# Other files (optional).
+#include $(CHIBIOS)/test/lib/test.mk
+#include $(CHIBIOS)/test/nil/nil_test.mk
+#include $(CHIBIOS)/test/oslib/oslib_test.mk
+
+# Define linker script file here
+LDSCRIPT= $(STARTUPLD)/STM32L011x4.ld
+
+# C sources that can be compiled in ARM or THUMB mode depending on the global
+# setting.
+CSRC = $(ALLCSRC) \
+ $(TESTSRC) \
+ dogs.c \
+ buttons.c \
+ main.c
+
+# C++ sources that can be compiled in ARM or THUMB mode depending on the global
+# setting.
+CPPSRC = $(ALLCPPSRC)
+
+# List ASM source files here.
+ASMSRC = $(ALLASMSRC)
+
+# List ASM with preprocessor source files here.
+ASMXSRC = $(ALLXASMSRC)
+
+# Inclusion directories.
+INCDIR = $(CONFDIR) $(ALLINC) $(TESTINC)
+
+# Define C warning options here.
+CWARN = -Wall -Wextra -Wundef -pedantic #-Wstrict-prototypes
+
+# Define C++ warning options here.
+CPPWARN = -Wall -Wextra -Wundef
+
+#
+# Project, target, sources and paths
+##############################################################################
+
+##############################################################################
+# Start of user section
+#
+
+# List all user C define here, like -D_DEBUG=1
+UDEFS =
+
+# Define ASM defines here
+UADEFS =
+
+# List all user directories here
+UINCDIR =
+
+# List the user directory to look for the libraries here
+ULIBDIR =
+
+# List all user libraries here
+ULIBS =
+
+#
+# End of user section
+##############################################################################
+
+##############################################################################
+# Common rules
+#
+
+RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk
+include $(RULESPATH)/arm-none-eabi.mk
+include $(RULESPATH)/rules.mk
+
+#
+# Common rules
+##############################################################################
+
+##############################################################################
+# Custom rules
+#
+
+#
+# Custom rules
+##############################################################################
diff --git a/buttons.c b/buttons.c
new file mode 100644
index 0000000..c792494
--- /dev/null
+++ b/buttons.c
@@ -0,0 +1,59 @@
+/**
+ * buttons.c - Provides ability to read button state.
+ * Copyright (C) 2020 Clyne Sullivan
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ * See the GNU General Public License for more details.
+ */
+
+#include "buttons.h"
+#include "ch.h"
+#include "hal.h"
+
+unsigned char button_state = 0;
+
+static void buttonStateHandler(void *arg)
+{
+ int pad = (unsigned int)arg & 0xFF;
+ int bit = 1 << ((unsigned int)arg >> 8);
+
+ if (!palReadPad(GPIOA, pad)) {
+ if ((button_state & bit) != bit)
+ button_state |= bit;
+ } else {
+ if ((button_state & bit) == bit)
+ button_state &= ~(bit);
+ }
+}
+
+void buttons_init()
+{
+ palSetPadMode(GPIOA, 0, PAL_MODE_INPUT_PULLUP); // Joy A (UL)
+ palSetPadMode(GPIOA, 1, PAL_MODE_INPUT_PULLUP); // Joy B (UR)
+ palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_PULLUP); // Joy C (DR)
+ palSetPadMode(GPIOA, 3, PAL_MODE_INPUT_PULLUP); // Joy D (DL)
+ palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLUP); // Joy button
+ palSetPadMode(GPIOA, 7, PAL_MODE_INPUT_PULLUP); // Button 1
+ palSetPadMode(GPIOA, 9, PAL_MODE_INPUT_PULLUP); // Button 2
+ palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLUP); // Button 3
+ palEnablePadEvent(GPIOA, 0, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 1, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 2, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 3, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 6, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 7, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 9, PAL_EVENT_MODE_BOTH_EDGES);
+ palEnablePadEvent(GPIOA, 10, PAL_EVENT_MODE_BOTH_EDGES);
+ palSetPadCallback(GPIOA, 0, buttonStateHandler, 0x0700);
+ palSetPadCallback(GPIOA, 1, buttonStateHandler, 0x0601);
+ palSetPadCallback(GPIOA, 2, buttonStateHandler, 0x0502);
+ palSetPadCallback(GPIOA, 3, buttonStateHandler, 0x0403);
+ palSetPadCallback(GPIOA, 6, buttonStateHandler, 0x0306);
+ palSetPadCallback(GPIOA, 7, buttonStateHandler, 0x0207);
+ palSetPadCallback(GPIOA, 9, buttonStateHandler, 0x0109);
+ palSetPadCallback(GPIOA, 10, buttonStateHandler, 0x000A);
+}
+
diff --git a/buttons.h b/buttons.h
new file mode 100644
index 0000000..bade3cf
--- /dev/null
+++ b/buttons.h
@@ -0,0 +1,20 @@
+/**
+ * buttons.h - Provides ability to read button state.
+ * Copyright (C) 2020 Clyne Sullivan
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ * See the GNU General Public License for more details.
+ */
+
+#ifndef BUTTONS_H_
+#define BUTTONS_H_
+
+extern unsigned char button_state;
+
+void buttons_init();
+
+#endif // BUTTONS_H_
+
diff --git a/cfg/chconf.h b/cfg/chconf.h
new file mode 100644
index 0000000..1ad623b
--- /dev/null
+++ b/cfg/chconf.h
@@ -0,0 +1,479 @@
+/*
+ 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 nil/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 NIL_CONFIG
+ * @details Kernel related settings and hooks.
+ * @{
+ */
+
+#ifndef CHCONF_H
+#define CHCONF_H
+
+#define _CHIBIOS_NIL_CONF_
+#define _CHIBIOS_NIL_CONF_VER_4_0_
+
+/*===========================================================================*/
+/**
+ * @name Kernel parameters and options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief Maximum number of user threads in the application.
+ * @note This number is not inclusive of the idle thread which is
+ * implicitly handled.
+ * @note Set this value to be exactly equal to the number of threads you
+ * will use or you would be wasting RAM and cycles.
+ * @note This values also defines the number of available priorities
+ * (0..CH_CFG_MAX_THREADS-1).
+ */
+#if !defined(CH_CFG_MAX_THREADS)
+#define CH_CFG_MAX_THREADS 1
+#endif
+
+/**
+ * @brief Auto starts threads when @p chSysInit() is invoked.
+ */
+#if !defined(CH_CFG_AUTOSTART_THREADS)
+#define CH_CFG_AUTOSTART_THREADS TRUE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name System timer 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 16 // Using TIM21, a 16-bit ultra-low-power timer
+#endif
+
+/**
+ * @brief System tick frequency.
+ * @note This value together with the @p CH_CFG_ST_RESOLUTION
+ * option defines the maximum amount of time allowed for
+ * timeouts.
+ */
+#if !defined(CH_CFG_ST_FREQUENCY)
+#define CH_CFG_ST_FREQUENCY 1000
+#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 Subsystem options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @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 Mutexes APIs.
+ * @details If enabled then the mutexes APIs are included in the kernel.
+ *
+ * @note Feature not currently implemented.
+ * @note The default is @p FALSE.
+ */
+#if !defined(CH_CFG_USE_MUTEXES)
+#define CH_CFG_USE_MUTEXES 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 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
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name OSLIB options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @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 FALSE
+#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 Heap Allocator APIs.
+ * @details If enabled then the memory heap allocator APIs are included
+ * in the kernel.
+ *
+ * @note The default is @p TRUE.
+ */
+#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 Objects Caches APIs.
+ * @details If enabled then the objects caches APIs are included
+ * in the kernel.
+ *
+ * @note The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_OBJ_CACHES)
+#define CH_CFG_USE_OBJ_CACHES FALSE
+#endif
+
+/**
+ * @brief Delegate threads APIs.
+ * @details If enabled then the delegate threads APIs are included
+ * in the kernel.
+ *
+ * @note The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_DELEGATES)
+#define CH_CFG_USE_DELEGATES FALSE
+#endif
+
+/**
+ * @brief Jobs Queues APIs.
+ * @details If enabled then the jobs queues APIs are included
+ * in the kernel.
+ *
+ * @note The default is @p TRUE.
+ */
+#if !defined(CH_CFG_USE_JOBS)
+#define CH_CFG_USE_JOBS 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 TRUE
+#endif
+
+/**
+ * @brief Enables factory for generic buffers.
+ */
+#if !defined(CH_CFG_FACTORY_GENERIC_BUFFERS)
+#define CH_CFG_FACTORY_GENERIC_BUFFERS TRUE
+#endif
+
+/**
+ * @brief Enables factory for semaphores.
+ */
+#if !defined(CH_CFG_FACTORY_SEMAPHORES)
+#define CH_CFG_FACTORY_SEMAPHORES TRUE
+#endif
+
+/**
+ * @brief Enables factory for mailboxes.
+ */
+#if !defined(CH_CFG_FACTORY_MAILBOXES)
+#define CH_CFG_FACTORY_MAILBOXES TRUE
+#endif
+
+/**
+ * @brief Enables factory for objects FIFOs.
+ */
+#if !defined(CH_CFG_FACTORY_OBJ_FIFOS)
+#define CH_CFG_FACTORY_OBJ_FIFOS TRUE
+#endif
+
+/**
+ * @brief Enables factory for Pipes.
+ */
+#if !defined(CH_CFG_FACTORY_PIPES)
+#define CH_CFG_FACTORY_PIPES TRUE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Debug options
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief Debug option, kernel statistics.
+ *
+ * @note Feature not currently implemented.
+ * @note The default is @p FALSE.
+ */
+#if !defined(CH_DBG_STATISTICS)
+#define CH_DBG_STATISTICS FALSE
+#endif
+
+/**
+ * @brief Debug option, system state check.
+ *
+ * @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.
+ *
+ * @note The default is @p FALSE.
+ */
+#if !defined(CH_DBG_ENABLE_CHECKS)
+#define CH_DBG_ENABLE_CHECKS FALSE
+#endif
+
+/**
+ * @brief System assertions.
+ *
+ * @note The default is @p FALSE.
+ */
+#if !defined(CH_DBG_ENABLE_ASSERTS)
+#define CH_DBG_ENABLE_ASSERTS FALSE
+#endif
+
+/**
+ * @brief Stack check.
+ *
+ * @note The default is @p FALSE.
+ */
+#if !defined(CH_DBG_ENABLE_STACK_CHECK)
+#define CH_DBG_ENABLE_STACK_CHECK FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/**
+ * @name Kernel hooks
+ * @{
+ */
+/*===========================================================================*/
+
+/**
+ * @brief System initialization hook.
+ */
+#define CH_CFG_SYSTEM_INIT_HOOK() { \
+}
+
+/**
+ * @brief Threads descriptor structure extension.
+ * @details User fields added to the end of the @p thread_t structure.
+ */
+#define CH_CFG_THREAD_EXT_FIELDS \
+ /* Add threads custom fields here.*/
+
+/**
+ * @brief Threads initialization hook.
+ */
+#define CH_CFG_THREAD_EXT_INIT_HOOK(tr) { \
+ /* Add custom 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) {}
+
+/**
+ * @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() { \
+}
+
+/**
+ * @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() { \
+}
+
+/**
+ * @brief System halt hook.
+ */
+#define CH_CFG_SYSTEM_HALT_HOOK(reason) { \
+}
+
+/** @} */
+
+/*===========================================================================*/
+/* Port-specific settings (override port settings defaulted in nilcore.h). */
+/*===========================================================================*/
+
+#endif /* CHCONF_H */
+
+/** @} */
diff --git a/cfg/halconf.h b/cfg/halconf.h
new file mode 100644
index 0000000..4d6ea7e
--- /dev/null
+++ b/cfg/halconf.h
@@ -0,0 +1,531 @@
+/*
+ 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_1_
+
+#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 EFlash subsystem.
+ */
+#if !defined(HAL_USE_EFL) || defined(__DOXYGEN__)
+#define HAL_USE_EFL 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 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 TRUE
+#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 TRUE
+#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 FALSE
+#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 TRUE
+#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 256
+#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_NONE
+#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 FALSE
+#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/cfg/mcuconf.h b/cfg/mcuconf.h
new file mode 100644
index 0000000..ccb4a6f
--- /dev/null
+++ b/cfg/mcuconf.h
@@ -0,0 +1,171 @@
+/*
+ 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.
+*/
+
+#ifndef MCUCONF_H
+#define MCUCONF_H
+
+#define STM32_USB_CLOCK_ENABLED FALSE
+
+/*
+ * STM32L0xx 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 STM32L0xx_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+#define STM32_NO_INIT FALSE
+#define STM32_VOS STM32_VOS_1P8
+#define STM32_PVD_ENABLE FALSE
+#define STM32_PLS STM32_PLS_LEV0
+#define STM32_HSI16_ENABLED FALSE
+#define STM32_HSI16_DIVIDER_ENABLED FALSE
+#define STM32_LSI_ENABLED TRUE
+#define STM32_HSE_ENABLED FALSE
+#define STM32_LSE_ENABLED FALSE
+#define STM32_ADC_CLOCK_ENABLED FALSE
+#define STM32_MSIRANGE STM32_MSIRANGE_2M
+#define STM32_SW STM32_SW_MSI
+#define STM32_PLLSRC STM32_PLLSRC_HSI16
+#define STM32_PLLMUL_VALUE 4
+#define STM32_PLLDIV_VALUE 2
+#define STM32_HPRE STM32_HPRE_DIV1
+#define STM32_PPRE1 STM32_PPRE1_DIV1
+#define STM32_PPRE2 STM32_PPRE2_DIV1
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#define STM32_MCOPRE STM32_MCOPRE_DIV1
+#define STM32_RTCSEL STM32_RTCSEL_LSI
+#define STM32_RTCPRE STM32_RTCPRE_DIV2
+#define STM32_USART2SEL STM32_USART2SEL_APB
+#define STM32_LPUART1SEL STM32_LPUART1SEL_APB
+#define STM32_I2C1SEL STM32_I2C1SEL_APB
+#define STM32_LPTIM1SEL STM32_LPTIM1SEL_APB
+
+/*
+ * IRQ system settings.
+ */
+#define STM32_IRQ_EXTI0_1_PRIORITY 3
+#define STM32_IRQ_EXTI2_3_PRIORITY 3
+#define STM32_IRQ_EXTI4_15_PRIORITY 3
+#define STM32_IRQ_EXTI16_PRIORITY 3
+#define STM32_IRQ_EXTI17_20_PRIORITY 3
+#define STM32_IRQ_EXTI21_22_PRIORITY 3
+
+#define STM32_IRQ_USART2_PRIORITY 3
+#define STM32_IRQ_LPUART1_PRIORITY 3
+
+#define STM32_IRQ_TIM2_PRIORITY 1
+#define STM32_IRQ_TIM21_PRIORITY 1
+
+/*
+ * ADC driver system settings.
+ * Note, IRQ is shared with EXT channels 21 and 22.
+ */
+#define STM32_ADC_USE_ADC1 FALSE
+#define STM32_ADC_ADC1_CKMODE STM32_ADC_CKMODE_ADCCLK
+#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 2
+#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(1, 1)
+#define STM32_ADC_PRESCALER_VALUE 1
+
+/*
+ * GPT driver system settings.
+ */
+#define STM32_GPT_USE_TIM2 FALSE
+#define STM32_GPT_USE_TIM21 FALSE
+
+/*
+ * 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, 3)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_I2C_DMA_ERROR_HOOK(i2cp) osalSysHalt("DMA failure")
+
+/*
+ * ICU driver system settings.
+ */
+#define STM32_ICU_USE_TIM2 FALSE
+#define STM32_ICU_USE_TIM21 FALSE
+
+/*
+ * PWM driver system settings.
+ */
+#define STM32_PWM_USE_TIM2 FALSE
+#define STM32_PWM_USE_TIM21 FALSE
+
+/*
+ * SERIAL driver system settings.
+ */
+#define STM32_SERIAL_USE_USART2 FALSE
+#define STM32_SERIAL_USE_LPUART1 TRUE
+
+/*
+ * SPI driver system settings.
+ */
+#define STM32_SPI_USE_SPI1 TRUE
+#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 1
+#define STM32_SPI_SPI2_IRQ_PRIORITY 1
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#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 21
+
+/*
+ * UART driver system settings.
+ */
+#define STM32_UART_USE_USART2 FALSE
+#define STM32_UART_USART2_DMA_PRIORITY 0
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_UART_DMA_ERROR_HOOK(uartp) osalSysHalt("DMA failure")
+
+/*
+ * WDG driver system settings.
+ */
+#define STM32_WDG_USE_IWDG FALSE
+
+#endif /* MCUCONF_H */
diff --git a/dogs.c b/dogs.c
new file mode 100644
index 0000000..9f754d6
--- /dev/null
+++ b/dogs.c
@@ -0,0 +1,165 @@
+/**
+ * dogs.c - Interface for drawing to the EADOGS102N-6 display.
+ * Copyright (C) 2020 Clyne Sullivan
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ * See the GNU General Public License for more details.
+ */
+
+#include "ch.h"
+#include "dogs.h"
+#include "hal.h"
+
+#define SET_DATA palSetPad(GPIOC, 15)
+#define SET_CMD palClearPad(GPIOC, 15)
+#define CS_HIGH palSetPad(GPIOA, 4)
+#define CS_LOW palClearPad(GPIOA, 4)
+
+unsigned char dogs_buffer[DISP_WIDTH * DISP_HEIGHT / 8];
+
+static void dogs_init_display();
+
+void dogs_init()
+{
+ // SPI
+ palSetPadMode(GPIOB, 1, PAL_MODE_ALTERNATE(1)); // MOSI
+ palSetPadMode(GPIOA, 5, PAL_MODE_ALTERNATE(0)); // CLK
+ palSetPadMode(GPIOA, 4, PAL_MODE_OUTPUT_PUSHPULL); // nCS
+ palSetPadMode(GPIOC, 14, PAL_MODE_OUTPUT_PUSHPULL); // nRST
+ palSetPadMode(GPIOC, 15, PAL_MODE_OUTPUT_PUSHPULL); // CD
+
+ palSetPad(GPIOA, 4);
+ palSetPad(GPIOC, 14);
+ palClearPad(GPIOC, 15);
+
+ static const SPIConfig ls_spicfg = {
+ false,
+ NULL,
+ SPI_CR1_BR_2 | SPI_CR1_BR_1,
+ 0
+ };
+ spiStart(&SPID1, &ls_spicfg);
+
+ dogs_init_display();
+ dogs_clear();
+}
+
+void dogs_write_data(unsigned char byte)
+{
+ SET_DATA;
+ spiSend(&SPID1, 1, &byte);
+}
+void dogs_write_cmd(unsigned char byte)
+{
+ SET_CMD;
+ spiSend(&SPID1, 1, &byte);
+}
+
+void dogs_set_column(unsigned int col)
+{
+ //if (col < DISP_WIDTH) {
+ dogs_write_cmd(0x10 | ((col >> 4) & 0xF));
+ dogs_write_cmd(0x00 | (col & 0xF));
+ //}
+}
+void dogs_set_power(unsigned int bits)
+{
+ dogs_write_cmd(0x28 | (bits & 0x7));
+}
+void dogs_set_scroll_line(unsigned int startline)
+{
+ dogs_write_cmd(0x40 | (startline & 0x3F));
+}
+void dogs_set_page(unsigned int page)
+{
+ dogs_write_cmd(0xB0 | (page & 0xF));
+}
+void dogs_set_vlcd_ratio(unsigned int ratio)
+{
+ dogs_write_cmd(0x20 | (ratio & 0x7));
+}
+void dogs_set_contrast(unsigned int value)
+{
+ dogs_write_cmd(0x81);
+ dogs_write_cmd(0x00 | (value & 0x3F));
+}
+void dogs_set_pixelson(bool on)
+{
+ dogs_write_cmd(on ? 0xA5 : 0xA4);
+}
+void dogs_set_invert(bool invert)
+{
+ dogs_write_cmd(invert ? 0xA7 : 0xA6);
+}
+void dogs_set_sleep(bool sleep)
+{
+ dogs_write_cmd(sleep ? 0xAE : 0xAF);
+}
+void dogs_set_segdir(bool normal)
+{
+ dogs_write_cmd(normal ? 0xA0 : 0xA1);
+}
+void dogs_set_comdir(bool normal)
+{
+ dogs_write_cmd(normal ? 0xC0 : 0xC8);
+}
+void dogs_reset()
+{
+ dogs_write_cmd(0xE2);
+}
+void dogs_set_bias(bool higher)
+{
+ dogs_write_cmd(higher ? 0xA2 : 0xA3);
+}
+void dogs_set_advanced(unsigned int bits)
+{
+ dogs_write_cmd(0xFA);
+ dogs_write_cmd(0x10 | bits);
+}
+
+void dogs_init_display()
+{
+ CS_LOW;
+ dogs_reset();
+ CS_HIGH;
+ chThdSleepMilliseconds(100);
+ CS_LOW;
+ dogs_set_scroll_line(0);
+ dogs_set_segdir(true);
+ dogs_set_comdir(false);
+ dogs_set_pixelson(false);
+ dogs_set_invert(false);
+ dogs_set_bias(true);
+ dogs_set_power(0x07);
+ dogs_set_vlcd_ratio(7);
+ dogs_set_contrast(0x10);
+ dogs_set_advanced(0x83);
+ dogs_set_sleep(false);
+ CS_HIGH;
+}
+
+void dogs_clear()
+{
+ unsigned char *ptr = dogs_buffer;
+ for (unsigned int i = 0; i < sizeof(dogs_buffer); i++) {
+ *ptr++ = 0;
+ }
+ dogs_flush();
+}
+
+void dogs_flush()
+{
+ unsigned char *ptr = dogs_buffer;
+ CS_LOW;
+ for (int page = 0; page < 8; page++) {
+ dogs_set_page(page);
+ dogs_set_column(30);
+ for (int i = 0; i < 102; i++)
+ dogs_write_data(*ptr++);
+ }
+ CS_HIGH;
+}
+
diff --git a/dogs.h b/dogs.h
new file mode 100644
index 0000000..2660bf1
--- /dev/null
+++ b/dogs.h
@@ -0,0 +1,25 @@
+/**
+ * dogs.h - Interface for drawing to the EADOGS102N-6 display.
+ * Copyright (C) 2020 Clyne Sullivan
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ * See the GNU General Public License for more details.
+ */
+
+#ifndef DOGS_H_
+#define DOGS_H_
+
+#define DISP_WIDTH 102
+#define DISP_HEIGHT 64
+
+extern unsigned char dogs_buffer[DISP_WIDTH * DISP_HEIGHT / 8];
+
+void dogs_init();
+void dogs_clear();
+void dogs_flush();
+
+#endif // DOGS_H_
+
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..126c47e
--- /dev/null
+++ b/main.c
@@ -0,0 +1,67 @@
+/**
+ * main.c - Firmware entry point and main loop for game or testing.
+ * Copyright (C) 2020 Clyne Sullivan
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ * See the GNU General Public License for more details.
+ */
+
+#include "buttons.h"
+#include "ch.h"
+#include "dogs.h"
+#include "hal.h"
+
+/*
+ * Progress:
+ * - Serial through LPUART1 works (38400 baud, takes over swdio pins)
+ * - Display comm. over SPI, can clear screen
+ * - Can read buttons through PAL (through interrupts now)
+ */
+
+THD_WORKING_AREA(waThread2, 96);
+THD_FUNCTION(Thread2, arg)
+{
+ (void)arg;
+
+ dogs_init();
+
+ while (1) {
+ chThdSleepMilliseconds(100);
+ dogs_buffer[0] = button_state;
+ dogs_buffer[1] = button_state;
+ dogs_buffer[2] = button_state;
+ dogs_buffer[3] = button_state;
+ dogs_flush();
+ }
+}
+
+THD_TABLE_BEGIN
+ THD_TABLE_THREAD(0, "game", waThread2, Thread2, NULL)
+THD_TABLE_END
+
+int main(void)
+{
+ halInit();
+ chSysInit();
+
+ buttons_init();
+
+ // Below code for serial -- note that it cuts off debugging, and MUST be used in a thread
+ //chThdSleepMilliseconds(2000);
+ //palSetPadMode(GPIOA, 13, PAL_MODE_ALTERNATE(6));
+ //palSetPadMode(GPIOA, 14, PAL_MODE_ALTERNATE(6));
+ //sdStart(&LPSD1, NULL);
+ //chnWrite(&LPSD1, (const uint8_t *)"Hello World!\r\n", 14);
+
+
+
+ /* This is now the idle thread loop, you may perform here a low priority
+ task but YOU MUST NEVER TRY TO SLEEP OR WAIT in this loop. Note that
+ this tasks runs at the lowest priority level so any instruction added
+ here will be executed after all other tasks have been started. */
+ while (1);
+}
+
diff --git a/openocd.sh b/openocd.sh
new file mode 100755
index 0000000..6cf8e57
--- /dev/null
+++ b/openocd.sh
@@ -0,0 +1 @@
+sudo openocd -f /usr/local/share/openocd/scripts/interface/cmsis-dap.cfg -f /usr/local/share/openocd/scripts/target/stm32l0.cfg
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-11 21:25:11 +0000