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Clyne 4 years ago
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commit 1ee366f3b3
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3
.gitignore vendored
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ChibiOS_*/
build
.dep

191
Makefile
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##############################################################################
# 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
##############################################################################

59
buttons.c
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/**
* 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);
}

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buttons.h
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/**
* 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_

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cfg/chconf.h
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/*
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 */
/** @} */

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cfg/halconf.h
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/*
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 */
/** @} */

171
cfg/mcuconf.h
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/*
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 */

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dogs.c
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/**
* 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;
}

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dogs.h
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/**
* 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_

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main.c
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/**
* 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);
}

1
openocd.sh
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sudo openocd -f /usr/local/share/openocd/scripts/interface/cmsis-dap.cfg -f /usr/local/share/openocd/scripts/target/stm32l0.cfg
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