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‎.gitignore

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build
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*.lss
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*.d
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*.o

‎.vscode/c_cpp_properties.json

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{
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"configurations": [
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{
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"name": "Win32",
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"includePath": [
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"${workspaceFolder}/libs/**",
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"${workspaceFolder}/include/**"
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],
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"defines": [
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"_DEBUG",
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"UNICODE",
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"_UNICODE",
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"__AVR_ATmega328P__",
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"ARDUINO=10816",
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"ARDUINO_AVR_NANO",
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"ARDUINO_ARCH_AVR",
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"F_CPU=16000000L",
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"BAUD=9600L",
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"ADC_CHANNEL=7"
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],
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"compilerPath": "C:\\msys64\\mingw64\\bin\\avr-gcc.exe",
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"intelliSenseMode": "gcc-x86",
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"browse": {
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"path": [
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//"${workspaceFolder}"
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]
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},
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"configurationProvider":"ms-vscode.cmake-tools"
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}
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],
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"version": 4
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}

‎.vscode/settings.json

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{
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"C_Cpp.clang_format_style": "{ BasedOnStyle: Google, IndentWidth: 4, ColumnLimit: 0, DerivePointerAlignment: false, PointerAlignment: Left, MaxEmptyLinesToKeep: 2 }",
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}

‎Makefile

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# $^ names of all prerequisites
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# $< name of first prerequisite
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# $@ name of target of the rule
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# ** Build for Arduino NANO **
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# > make build MCU=NANO
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# > make flash COMPORT=COM5
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# ** Build for Arduino UNO **
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# > make build MCU=UNO
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# > make flash COMPORT=COM5
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# ** Clean Build **
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# > make clean
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COMPORT ?= COM8
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MCU ?= NANO
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PROJDIR := $(realpath $(CURDIR)/..)
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MAIN_APP = DuckHunter
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MAIN_HEX = $(BUILD_DIR)/$(MAIN_APP).hex
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MAIN_ELF = $(BUILD_DIR)/$(MAIN_APP).elf
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ATMEGA328P_LIB = $(BUILD_DIR)/libs/libatmega328p.a
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MMCU_TYPE = atmega328p
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BAUDRATE ?= 57600
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ifeq ($(MCU), NANO)
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ADC_CHANNEL = -DADC_CHANNEL=7
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BAUDRATE = 57600
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endif
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ifeq ($(MCU), UNO)
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ADC_CHANNEL = -DADC_CHANNEL=0
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BAUDRATE ?= 115200
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endif
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ifeq ($(MCU), MINI)
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ADC_CHANNEL = -DADC_CHANNEL=7
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BAUDRATE = 57600
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endif
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CXX = avr-g++
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CC = avr-gcc
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LINKER = avr-g++
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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AVRDUDE = avrdude
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AVR_SIZE = avr-size
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# Enable automatic removal of unused code
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FLAGS = -ffunction-sections -fdata-sections -flto
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# Options for avr-g++
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CPPFLAGS = -c -Os -fno-exceptions -fshort-enums -std=gnu++14
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CPPFLAGS += $(ADC_CHANNEL) -D__AVR_ATmega328P__ -DF_CPU=16000000L
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CPPFLAGS += -Wall
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CPPFLAGS += -Wextra -Wpedantic
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CPPFLAGS += -Werror
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CPPFLAGS += -fmessage-length=0 -Wno-sign-compare -Wno-unused-parameter
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CPPFLAGS += -Wno-unused-variable -Wno-unused-but-set-variable
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CPPFLAGS += -mmcu=$(MMCU_TYPE) -o
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# ---------------- Library Options ----------------
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PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
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PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt -lm
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# If this is left blank, then it will use the Standard printf version.
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PRINTF_LIB =
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# PRINTF_LIB = $(PRINTF_LIB_MIN)
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# PRINTF_LIB = $(PRINTF_LIB_FLOAT)
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# Linking options for avr-gcc
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LFLAGS = -Os -flto -fshort-enums
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LFLAGS += -Wl,--gc-sections -Wl,-Map=$(BUILD_DIR)/$(MAIN_APP).map
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LFLAGS += -mmcu=$(MMCU_TYPE)
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LFLAGS += $(PRINTF_LIB)
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# Options for HEX file generation
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HFLAGS = -j .text -j .data -R .eeprom -O ihex
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# Options for avrdude to burn the hex file
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AVRDUDE_VERBOSE = -v -v
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AVRDUDE_NO_VERIFY = -V
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DUDEFLAGS += -c arduino
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DUDEFLAGS += -p m328p -P $(COMPORT)
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DUDEFLAGS += $(AVRDUDE_VERBOSE) $(AVRDUDE_NO_VERIFY)
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DUDEFLAGS += -b $(BAUDRATE)
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# Add libraries
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LIB_BASE_DIR = libs
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LIB_DIRS = $(LIB_BASE_DIR)/I2C $(LIB_BASE_DIR)/LCD_I2C_Driver $(LIB_BASE_DIR)/Timer
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LIB_DIRS += $(LIB_BASE_DIR)/TM1637 $(LIB_BASE_DIR)/ShiftRegister
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LIB_DIRS += $(LIB_BASE_DIR)/UART $(LIB_BASE_DIR)/ADC
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LIB_INCLUDES = $(foreach dir,$(LIB_DIRS),$(addprefix -I, $(dir)))
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INCLUDE_DIRS = include include/Components
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SOURCE_DIRS = src src/Components
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SOURCE_DIR = src
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BUILD_DIR = build
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INCLUDES = $(foreach dir,$(INCLUDE_DIRS),$(addprefix -I, $(dir)))
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BUILD_DIRS = $(subst $(SOURCE_DIR),$(BUILD_DIR)/$(SOURCE_DIR),$(SOURCE_DIRS))
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BUILD_DIRS += $(subst $(LIB_BASE_DIR),$(BUILD_DIR)/$(LIB_BASE_DIR),$(LIB_DIRS))
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# Source files needed for building the application
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SRC_FILES = $(foreach dir,$(SOURCE_DIRS),$(wildcard $(dir)/*.cpp))
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OBJ_FILES = $(subst $(SOURCE_DIR),$(BUILD_DIR)/$(SOURCE_DIR),$(SRC_FILES:.cpp=.o))
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LIB_SRC_FILES = $(foreach dir,$(LIB_DIRS),$(wildcard $(dir)/*.cpp))
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LIB_OBJ_FILES = $(subst $(LIB_BASE_DIR),$(BUILD_DIR)/$(LIB_BASE_DIR),$(LIB_SRC_FILES:.cpp=.o))
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all: INFOTEXT build flash
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build: INFOTEXT $(MAIN_ELF) list
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flash: $(MAIN_HEX)
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@echo flashing $@ file
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$(AVRDUDE) $(DUDEFLAGS) -D -U flash:w:$(MAIN_HEX):i
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list: $(MAIN_ELF)
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$(OBJDUMP) -h -S -z $< > $(BUILD_DIR)/list.lss
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$(OBJDUMP) -h $< > $(BUILD_DIR)/sections_summary.txt
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$(OBJDUMP) -D $< > $(BUILD_DIR)/disassembly_all.d
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# $(OBJDUMP) -d $< > $(BUILD_DIR)/disassembly_text_section.d
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lib: $(ATMEGA328P_LIB)
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@echo Testing Library $<
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avr-ar -t $<
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$(ATMEGA328P_LIB): $(LIB_OBJ_FILES)
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@echo Building... $@
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avr-ar rcs $(ATMEGA328P_LIB) $(LIB_OBJ_FILES)
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# Rule for Building .hex flashable file
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$(MAIN_HEX): $(MAIN_ELF)
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@echo Generating flashable $(MAIN_HEX) file
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$(OBJCOPY) $(HFLAGS) $< $(MAIN_HEX)
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# Rule for Building .elf file
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$(MAIN_ELF): $(OBJ_FILES) $(ATMEGA328P_LIB)
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@echo Linking $@ file
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$(LINKER) $(LFLAGS) $^ --output $@
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$(AVR_SIZE) -A $(MAIN_ELF)
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# Rule for Compiling .cpp files with header file
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$(BUILD_DIR)/%.o: %.cpp %.h
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@echo Building... $@ from $^
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$(CXX) $(INCLUDES) $(LIB_INCLUDES) $(FLAGS) $(CPPFLAGS) $@ $<
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# Rule for Compiling .cpp files without header file
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$(BUILD_DIR)/%.o: %.cpp
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@echo Building... $@ from $^
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$(CXX) $(INCLUDES) $(LIB_INCLUDES) $(FLAGS) $(CPPFLAGS) $@ $<
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.PHONY: clean INFOTEXT
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# Create Build Folders
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$(foreach dir, $(BUILD_DIRS), $(shell mkdir -p $(dir) 2>/dev/null))
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clean:
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rm -rf $(BUILD_DIR)/*.elf
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rm -rf $(BUILD_DIR)/*.hex
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rm -rf $(OBJ_FILES)
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rm -rf $(LIB_OBJ_FILES)
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rm -rf $(BUILD_DIR)/.dep/*
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rm -rf $(BUILD_DIR)/libs/*.a
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rm -rf $(BUILD_DIR)
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INFOTEXT:
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@echo ====== BOARD: $(MCU) =======
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@echo ProjectDir:: $(PROJDIR)
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@echo CURRENT PROJECT: $(CURDIR)
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@echo Source Files: $(SRC_FILES)
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@echo Object Files: $(OBJ_FILES)
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@echo Lib Object Files: $(LIB_OBJ_FILES)
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@echo Build Dirs: $(BUILD_DIRS)
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@echo Include Folders: $(INCLUDES)

‎README.md

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# Duck Hunter
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Low cost electronics game project for children using AVR bare metal programming in C++.
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## Build Instructions
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### Build for Arduino Nano (ATmega328P)
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```shell
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make build
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```
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### Flash
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```shell
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make flash COMPORT=COM8
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```
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### Clean build
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```shell
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make clean
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```
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## Features
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+ HD44780 16x2 LCD Modul Display an alien hunting a duck
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+ TM1637 4 Digit 7-Segment Display to display the game score
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+ Lots of blinking LEDs
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+ Potentiometer to control move direction of the hunting alien
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## Schematics
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[DuckHunter.pdf](docs/DuckHunter.pdf)
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![DuckHunter.png](docs/DuckHunter.png?raw=true)
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# Pictures
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![DSC01115_2.jpg](docs/pics/DSC01115_2.jpg)
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![DSC01116_2.jpg](docs/pics/DSC01116_2.jpg)
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![DSC01118_2.jpg](docs/pics/DSC01118_2.jpg)
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![DSC01119_2.jpg](docs/pics/DSC01119_2.jpg)

‎docs/DuckHunter.pdf

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‎docs/DuckHunter.png

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‎docs/pics/DSC01115_2.jpg

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‎docs/pics/DSC01116_2.jpg

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‎docs/pics/DSC01118_2.jpg

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‎docs/pics/DSC01119_2.jpg

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‎include/Components/Alien.h

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#ifndef ALIEN_H_
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#define ALIEN_H_
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#include "Entity.h"
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#include "GameStates.h"
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#include "GraphicsComponent.h"
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#define INIT_SPEED (50U)
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typedef enum {
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PAUSED = 0,
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MOVING_LEFT = 1,
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MOVING_RIGHT = 2
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} move_dir_t;
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class Alien : public Entity {
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public:
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uint8_t spd_ticks_per_step = INIT_SPEED; // ticks needed to make one step
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Alien();
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void update() override;
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void setState(move_dir_t move_direction);
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move_dir_t getState();
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private:
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move_dir_t st_move_direction{PAUSED};
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};
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#endif

‎include/Components/Duck.h

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#ifndef DUCK_H_
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#define DUCK_H_
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#include <stdint.h>
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#include "Entity.h"
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class Duck : public Entity {
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public:
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Duck();
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void update() override;
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};
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#endif

‎include/Components/Entity.h

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#ifndef ENTITY_H_
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#define ENTITY_H_
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#include <stdint.h>
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typedef struct _Position {
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uint8_t row; // 0 or 1
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uint8_t column; // 0...15
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} Position;
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bool operator==(Position lhs, Position rhs);
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class Entity {
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public:
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bool render_needed = true;
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uint8_t figure_id = 0x20; // empty figure
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Entity();
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virtual ~Entity() {}
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virtual void update() = 0;
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void setPosition(uint8_t _row, uint8_t _column);
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void setPosition(Position _position);
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void incrementPosition();
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void decrementPosition();
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Position getPosition() { return position; };
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Position getPrevPosition() { return prev_position; };
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private:
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Position position{0, 5};
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Position prev_position{0, 5};
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};
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#endif

‎include/Components/Game.h

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#ifndef GAME_H_
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#define GAME_H_
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#include <stdint.h>
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#include "Entity.h"
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#include "GraphicsComponent.h"
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#include "InputComponent.h"
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#include "PhysicsComponent.h"
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class Game {
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public:
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static const uint8_t ALIEN_ID;
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static const uint8_t DUCK_ID;
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Game(InputComponent* _input,
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GraphicsComponent* _graphics,
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PhysicsComponent* _physics);
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void init();
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void update();
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void increment_score();
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private:
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InputComponent* input;
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GraphicsComponent* graphics;
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PhysicsComponent* physics;
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uint8_t score{0};
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static const uint8_t NUM_ENTITIES = 2;
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Entity* entities[NUM_ENTITIES];
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};
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#endif

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