videochargen/Makefile

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# Name of the project
PROJ_NAME = video
## Directories ##
# This is where the source files are located,
# which are not in the current directory
SRC_DIR = ./src
# The header files we use are located here
INC_DIR = ./inc
INC_DIR += ./src
INC_DIR += .
BUILD_DIR = build
OUTPUT_DIR = output
######################################################################
# SOURCES #
######################################################################
## FILES ##
# c files
# SRCS =
SRCS += main.c
# asm files
# S maiuscola! Invoca prima il compilatore gcc che interpreta macro e altro
# ASRC = main.S
ASRC += main.S frame.S
#ASRC += video.S
#ASRC += sleep.S
# ASRC += variables.S
#ASRC += lines/line_white.S
#ASRC += lines/line_black.S
#ASRC += lines/line_mid.S
#ASRC += lines/line_syncs.S
#ASRC += lines/line_calc.S
# ASRC += lines/line_digits.S
# header files
# Specify here libraries! Makefile will check existance before launching
# DEPS = $(notdir $(wildcard $(INC_DIR)/*.h))
# DEPS += Makefile
# DEPS += $(ENUMSTRING)
# Object files
# Automatically declares object file names
OBJS = $(patsubst %.c, $(BUILD_DIR)/%.c.o, $(filter %.c,$(SRCS)) )
OBJS += $(patsubst %.cpp, $(BUILD_DIR)/%.cpp.o,$(filter %.cpp,$(SRCS)) )
# Dependencies from .h/.hpp files, but exclude asm files
DEPS := $(patsubst %.o, %.d, $(OBJS))
OBJS += $(patsubst %.s, $(BUILD_DIR)/%.s.o, $(filter %.s,$(ASRC)) )
OBJS += $(patsubst %.S, $(BUILD_DIR)/%.S.o, $(filter %.S,$(ASRC)) )
# Virtual Paths
# Tell make to look in that folder if it cannot find a source
# in the current directory
vpath %.c $(SRC_DIR)
vpath %.cpp $(SRC_DIR)
vpath %.S $(SRC_DIR)
vpath %.h $(INC_DIR)
######################################################################
# SETUP TOOLS #
######################################################################
ECHO := /bin/echo
# GCC/programming Tools
CC = avr-gcc
CXX = avr-g++
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
GDB = avr-gdb
AS = avr-as
SIZE = avr-size
AVRDUDE = avrdude
# Custom script for enum parsing
# PACK2STRING = python3 bin/enum2string.py
# Microcontroller
MCU = atmega328p
F_CPU = 16000000
# Fuses -- www.engbedded.com/fusecalc/
LFUSE = 0xfd
HFUSE = 0xde
### GCC options ###
## Compiler flags ##
# Do not run the linker
CFLAGS += -c
# Debug informations
CFLAGS += -g
# Auto optimisation
CFLAGS += -Os
# All warning messages
CFLAGS += -Wall -Wextra
# Puts functions and data into its own section - remove thread-safe things
CFLAGS += -fno-exceptions -fstack-usage -fdump-tree-optimized -ffunction-sections -fdata-sections -fno-threadsafe-statics
# Use smallest size for enums
CFLAGS += -fshort-enums
# Microcontroller
CFLAGS += -mmcu=$(MCU)
# Clock speed
CFLAGS += -DF_CPU=$(F_CPU)L
# Header files
CFLAGS += $(addprefix -I,$(INC_DIR))
CFLAGS += -flto
# CFLAGS += -DAVR
# Debug Flag
# CFLAGS += -DDEBUG
## CXX flags are the same as CC ones here!
CXXFLAGS = $(CFLAGS)
CXXFLAGS += -std=c++11
# Linker flags
LFLAGS = -mmcu=$(MCU)
LFLAGS += $(addprefix -I,$(INC_DIR))
######################################################################
# PROGRAMMING TOOLS #
######################################################################
# To match MCU with BOARD, see link
# http://www.nongnu.org/avr-libc/user-manual/using_tools.html
#PROGRAMMER = avrispmkii
PROGRAMMER = usbasp
# verbose
# PROGRAM_FLAGS = -v
# erase
# PROGRAM_FLAGS = -e
# choose programmer
PROGRAM_FLAGS += -c $(PROGRAMMER)
# target cpu
PROGRAM_FLAGS += -p $(MCU)
# USB port and baudrate
# PROGRAM_FLAGS += -P /dev/ttyACM0
######################################################################
# TARGETS #
######################################################################
.PHONY: clean
all: $(OUTPUT_DIR)/$(PROJ_NAME).hex
-include $(DEPS)
# invokes CC compiler before assemblying
$(BUILD_DIR)/%.S.o : %.S
@echo -e "\033[1;33m[Assembling ]\033[0m AS $<"
@mkdir -p `dirname $@`
$(CC) $(CFLAGS) $< -o $@
# pure asm
$(BUILD_DIR)/%.s.o : %.s
@echo -e "\033[1;33m[Assembling ]\033[0m AS $<"
@mkdir -p `dirname $@`
$(CC) $(CFLAGS) $< -o $@
# .cxx files
$(BUILD_DIR)/%.cpp.o: %.cpp
@echo -e "\033[1;33m[Compiling ]\033[0m CX $<"
@mkdir -p `dirname $@`
$(CXX) $(CXXFLAGS) $< -o $@
# .c files
$(BUILD_DIR)/%.c.o: %.c
@echo -e "\033[1;33m[Compiling ]\033[0m CC $<"
@mkdir -p `dirname $@`
$(CC) $(CFLAGS) $< -o $@
.DELETE_ON_ERROR:
$(BUILD_DIR)/%.c.d: %.c
@mkdir -p `dirname $@`
@$(ECHO) -n "$@ " > $@
@$(CC) -MM -MT '$(@D)/$(<F).o' $(CFLAGS) $< >> $@
.DELETE_ON_ERROR:
$(BUILD_DIR)/%.cpp.d: %.cpp
@mkdir -p `dirname $@`
@$(ECHO) -n "$@ " > $@
@$(CC) -MM -MT '$(@D)/$(<F).o' $(CFLAGS) $< >> $@
# $(ENUMSTRING): $(STRINGFILES)
# $(PACK2STRING) $^ > $(ENUMSTRING)
$(OUTPUT_DIR)/$(PROJ_NAME).elf: $(OBJS)
@echo -e "\033[1;34m[Linking ]\033[0m $@"
@mkdir -p ${OUTPUT_DIR}
$(CC) $(LFLAGS) -o $@ $(foreach file, $^, $(file)) -lm
@echo -e "\033[1;35m[Disasm... ]\033[0m $^"
$(OBJDUMP) -h -S $@ > $(OUTPUT_DIR)/$(PROJ_NAME).lss
$(OUTPUT_DIR)/$(PROJ_NAME).hex: $(OUTPUT_DIR)/$(PROJ_NAME).elf
@echo -e "\033[1;36m[Binary ]\033[0m $^"
$(OBJCOPY) -O ihex -R .eeprom $^ $@
size: $(OUTPUT_DIR)/$(PROJ_NAME).elf
$(SIZE) -C --mcu=$(MCU) $(OUTPUT_DIR)/$(PROJ_NAME).elf
flash: $(OUTPUT_DIR)/$(PROJ_NAME).hex
$(AVRDUDE) $(PROGRAM_FLAGS) -U flash:w:$(OUTPUT_DIR)/$(PROJ_NAME).hex
fuse: $(OUTPUT_DIR)/$(PROJ_NAME).hex
$(AVRDUDE) $(PROGRAM_FLAGS) -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m
test:
$(AVRDUDE) $(PROGRAM_FLAGS)
clean:
@echo -e "\033[1;33m[Cleaning ]\033[0m"
@rm -rf $(BUILD_DIR)/*
@rm -rf $(OUTPUT_DIR)/*