445 lines
13 KiB
Makefile
445 lines
13 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
|
|
#----------------------------------------------------------------------------
|
|
# avr-gcc Makefile
|
|
#
|
|
# by Steffen Vogel <info@steffenvogel.de>
|
|
#
|
|
# Released to the Public Domain - Credits to:
|
|
# Eric B. Weddington, Jörg Wunsch, Peter Fleury, Tim Henigan Colin O'Flynn,
|
|
# Reiner Patommel, Markus Pfaff, Sander Pool, Frederik Rouleau, Carlos Lamas
|
|
#----------------------------------------------------------------------------
|
|
# On command line:
|
|
#
|
|
# make all = Make software
|
|
#
|
|
# make clean = Clean out built project files
|
|
#
|
|
# make program = Download the hex file to the device, using avrdude
|
|
# Please customize the avrdude settings below first!
|
|
#
|
|
# make filename.s = Just compile filename.c into the assembler code only
|
|
#
|
|
# make filename.i = Create a preprocessed source file for use in submitting
|
|
# bug reports to the GCC project.
|
|
#
|
|
# To rebuild project do "make clean" then "make all".
|
|
#----------------------------------------------------------------------------
|
|
|
|
#------------------------------ General Options -----------------------------
|
|
# MCU name
|
|
#MCU = atmega8
|
|
#MCU = atmega328p
|
|
MCU = atmega16
|
|
|
|
# Processor frequency
|
|
# This will define a symbol, F_CPU, in all source code files equal to the
|
|
# processor frequency. You can then use this symbol in your source code to
|
|
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
|
# automatically to create a 32-bit value in your source code.
|
|
# Typical values are:
|
|
F_CPU = 14746000
|
|
#F_CPU = 1843200
|
|
#F_CPU = 2000000
|
|
#F_CPU = 3686400
|
|
#F_CPU = 4000000
|
|
#F_CPU = 7372800
|
|
#F_CPU = 8000000
|
|
#F_CPU = 11059200
|
|
#F_CPU = 14745600
|
|
#F_CPU = 16000000
|
|
#F_CPU = 18432000
|
|
#F_CPU = 20000000
|
|
|
|
# Output format
|
|
#FORMAT = srec
|
|
#FORMAT = binary
|
|
FORMAT = ihex
|
|
|
|
# Target file name (without extension)
|
|
TARGET = main
|
|
|
|
# Object files directory
|
|
OBJDIR = obj
|
|
|
|
# List C source files here (C dependencies are automatically generated)
|
|
SRC = $(TARGET).c tetris.c display.c conway.c
|
|
|
|
# List C++ source files here (C dependencies are automatically generated)
|
|
CPPSRC =
|
|
|
|
# List Assembler source files here
|
|
# Make them always end in a capital .S. Files ending in a lowercase .s
|
|
# will not be considered source files but generated files (assembler
|
|
# output from the compiler), and will be deleted upon "make clean"!
|
|
# Even though the DOS/Win* filesystem matches both .s and .S the same,
|
|
# it will preserve the spelling of the filenames, and gcc itself does
|
|
# are about how the name is spelled on its command-line.
|
|
ASRC =
|
|
|
|
# Optimization level, can be [0, 1, 2, 3, ..., s]
|
|
# 0 = turn off optimization
|
|
# s = optimize for size
|
|
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
|
|
OPT = s
|
|
|
|
# Debugging format
|
|
# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
|
|
# AVR Studio 4.10 requires dwarf-2.
|
|
# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
|
|
DEBUG = dwarf-2
|
|
|
|
# List any extra directories to look for include files here.
|
|
# Each directory must be seperated by a space.
|
|
# Use forward slashes for directory separators.
|
|
# For a directory that has spaces, enclose it in quotes.
|
|
EXTRAINCDIRS =
|
|
|
|
# Compiler flag to set the C Standard level
|
|
# c89 = "ANSI" C
|
|
# gnu89 = c89 plus GCC extensions
|
|
# c99 = ISO C99 standard (not yet fully implemented)
|
|
# gnu99 = c99 plus GCC extensions
|
|
CSTANDARD = -std=gnu99
|
|
|
|
# Place -D or -U options here for C sources
|
|
CDEFS = -DF_CPU=$(F_CPU)UL
|
|
|
|
# Place -D or -U options here for C++ sources
|
|
#CPPDEFS += -D__STDC_LIMIT_MACROS
|
|
#CPPDEFS += -D__STDC_CONSTANT_MACROS
|
|
CPPDEFS = -DF_CPU=$(F_CPU)UL
|
|
|
|
#------------------------------ Compiler Options -----------------------------
|
|
# C Compiler Options
|
|
# -g generate debugging information
|
|
# -O optimization level
|
|
# -f tuning, see GCC manual and avr-libc documentation
|
|
# -Wall warning level
|
|
# -Wa tell GCC to pass this to the assembler.
|
|
# -adhlns create assembler listing
|
|
#CFLAGS = -g$(DEBUG)
|
|
#CFLAGS += -mint8
|
|
#CFLAGS += -mshort-calls
|
|
#CFLAGS += -Wunreachable-code
|
|
#CFLAGS += -Wsign-compare
|
|
CFLAGS += -Wall
|
|
CFLAGS += -Wstrict-prototypes
|
|
CFLAGS += -Wundef
|
|
#CFLAGS += -fno-unit-at-a-time
|
|
CFLAGS += -funsigned-char
|
|
CFLAGS += -funsigned-bitfields
|
|
CFLAGS += -fpack-struct
|
|
CFLAGS += -fshort-enums
|
|
CFLAGS += $(CDEFS)
|
|
CFLAGS += -O$(OPT)
|
|
CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
|
|
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
|
|
CFLAGS += $(CSTANDARD)
|
|
|
|
# C++ Compiler Options
|
|
# -g generate debugging information
|
|
# -O optimization level
|
|
# -f tuning, see GCC manual and avr-libc documentation
|
|
# -Wall warning level
|
|
# -Wa tell GCC to pass this to the assembler.
|
|
# -adhlns create assembler listing
|
|
#CPPFLAGS = -g$(DEBUG)
|
|
#CPPFLAGS += -mint8
|
|
#CPPFLAGS += -mshort-calls
|
|
#CPPFLAGS += $(CSTANDARD)
|
|
#CPPFLAGS += -Wstrict-prototypes
|
|
#CPPFLAGS += -Wunreachable-code
|
|
#CPPFLAGS += -Wsign-compare
|
|
CPPFLAGS += -Wall
|
|
CFLAGS += -Wundef
|
|
#CPPFLAGS += -fno-unit-at-a-time
|
|
CPPFLAGS += -funsigned-char
|
|
CPPFLAGS += -funsigned-bitfields
|
|
CPPFLAGS += -fpack-struct
|
|
CPPFLAGS += -fshort-enums
|
|
CPPFLAGS += -fno-exceptions
|
|
CPPFLAGS += $(CPPDEFS)
|
|
CPPFLAGS += -O$(OPT)
|
|
CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)
|
|
CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
|
|
|
|
# Assembler Options
|
|
# -Wa tell GCC to pass this to the assembler.
|
|
# -adhlms create listing
|
|
# -gstabs have the assembler create line number information;
|
|
# note that for use in COFF files, additional information
|
|
# about filenames and function names needs to be present
|
|
# in the assembler source files
|
|
ASFLAGS = -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs
|
|
|
|
|
|
#------------------------------ Library Options ------------------------------
|
|
# Minimalistic printf version
|
|
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
|
|
|
|
# Floating point printf version (requires MATH_LIB = -lm below)
|
|
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
|
|
|
|
# If this is left blank, then it will use the Standard printf version.
|
|
#PRINTF_LIB = $(PRINTF_LIB_MIN)
|
|
#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
|
|
PRINTF_LIB =
|
|
|
|
# Minimalistic scanf version
|
|
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
|
|
|
|
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
|
|
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
|
|
|
|
# If this is left blank, then it will use the Standard scanf version.
|
|
#SCANF_LIB = $(SCANF_LIB_MIN)
|
|
#SCANF_LIB = $(SCANF_LIB_FLOAT)
|
|
SCANF_LIB =
|
|
|
|
MATH_LIB = -lm
|
|
|
|
#-------------------------- External Memory Options --------------------------
|
|
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
|
# used for variables (.data/.bss) and heap (malloc()).
|
|
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
|
|
|
|
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
|
# only used for heap (malloc()).
|
|
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
|
|
EXTMEMOPTS =
|
|
|
|
|
|
#------------------------------- Linker Options ------------------------------
|
|
# -Wl tell GCC to pass this to linker.
|
|
# -Map create map file
|
|
# --cref add cross reference to map file
|
|
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
|
|
LDFLAGS += $(EXTMEMOPTS)
|
|
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB) -lc
|
|
|
|
|
|
#------------------------ Programmer Options (avrdude) -----------------------
|
|
# Programmer hardware
|
|
# avr910
|
|
# avrisp
|
|
# arduino
|
|
# picoweb
|
|
# pony-stk200
|
|
# stk200
|
|
# stk500
|
|
# "avrdude -c ?" to get a full listing
|
|
#AVRDUDE_PROGRAMMER = avr910
|
|
#AVRDUDE_PROGRAMMER = arduino
|
|
AVRDUDE_PROGRAMMER = avrisp2
|
|
|
|
# The port your programmer is connected to
|
|
#AVRDUDE_PORT = /dev/ttyUSB0
|
|
#AVRDUDE_PORT = /dev/ttyS0
|
|
#AVRDUDE_PORT = /dev/ttyACM0
|
|
AVRDUDE_PORT = usb
|
|
|
|
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
|
|
#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
|
|
|
|
# Uncomment the following if you want avrdude's erase cycle counter.
|
|
# Note that this counter needs to be initialized first using -Yn,
|
|
# see avrdude manual.
|
|
#AVRDUDE_ERASE_COUNTER = -y
|
|
|
|
# Uncomment the following if you do /not/ wish a verification to be
|
|
# performed after programming the device.
|
|
AVRDUDE_NO_VERIFY = -V
|
|
|
|
# Increase verbosity level
|
|
#AVRDUDE_VERBOSE = -v -v
|
|
|
|
AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
|
|
AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
|
|
AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
|
|
AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
|
|
|
|
|
|
#=========================== End of Configuration ===========================
|
|
# Define programs and commands.
|
|
SHELL = bash
|
|
CC = avr-gcc
|
|
OBJCOPY = avr-objcopy
|
|
OBJDUMP = avr-objdump
|
|
SIZE = avr-size
|
|
NM = avr-nm
|
|
AVRDUDE = avrdude
|
|
REMOVE = rm -f
|
|
REMOVEDIR = rm -rf
|
|
COPY = cp
|
|
|
|
# Define messages (english)
|
|
MSG_ERRORS_NONE = Errors: none
|
|
MSG_SIZE_BEFORE = Size before:
|
|
MSG_SIZE_AFTER = Size after:
|
|
MSG_FLASH = Creating load file for Flash:
|
|
MSG_EEPROM = Creating load file for EEPROM:
|
|
MSG_BINARY = Creating binary:
|
|
MSG_EXTENDED_LISTING = Creating Extended Listing:
|
|
MSG_SYMBOL_TABLE = Creating Symbol Table:
|
|
MSG_LINKING = Linking:
|
|
MSG_COMPILING = Compiling C:
|
|
MSG_COMPILING_CPP = Compiling C++:
|
|
MSG_ASSEMBLING = Assembling:
|
|
MSG_CLEANING = Cleaning project:
|
|
MSG_CREATING_LIBRARY = Creating library:
|
|
MSG_PROGRAM = Flashing controller:
|
|
|
|
# Define all object files
|
|
OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
|
|
|
|
# Define all listing files
|
|
LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
|
|
|
|
# Compiler flags to generate dependency files
|
|
GENDEPFLAGS = -MD -MP -MF .dep/$(@F).d
|
|
|
|
# Combine all necessary flags and optional flags
|
|
# Add target processor to flags
|
|
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
|
|
ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
|
|
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
|
|
|
|
# Default target
|
|
all: gccversion sizebefore build sizeafter
|
|
|
|
# Change the build target to build a HEX file or a library
|
|
build: elf hex eep bin lss sym
|
|
#build: lib
|
|
#LIBNAME=lib$(TARGET).a
|
|
|
|
elf: $(TARGET).elf
|
|
hex: $(TARGET).hex
|
|
eep: $(TARGET).eep
|
|
bin: $(TARGET).bin
|
|
lss: $(TARGET).lss
|
|
sym: $(TARGET).sym
|
|
lib: $(LIBNAME)
|
|
|
|
# Display size of file
|
|
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
|
|
ELFSIZE = $(SIZE) -A $(TARGET).elf
|
|
|
|
sizebefore:
|
|
@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
|
|
$(SHELL) avr-mem.sh $(TARGET) $(MCU); fi
|
|
|
|
sizeafter:
|
|
@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
|
|
$(SHELL) avr-mem.sh $(TARGET) $(MCU); fi
|
|
|
|
# Display compiler version information
|
|
gccversion:
|
|
@$(CC) --version
|
|
|
|
# Program the device
|
|
program: $(TARGET).hex $(TARGET).eep
|
|
@echo $(MSG_PROGRAM)
|
|
@echo
|
|
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
|
|
$(AVRDUDE_WRITE_EEPROM)
|
|
|
|
# Create final output files (.hex, .eep) from ELF output file
|
|
%.hex: %.elf
|
|
@echo
|
|
@echo $(MSG_FLASH) $@
|
|
$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
|
|
|
|
%.eep: %.elf
|
|
@echo
|
|
@echo $(MSG_EEPROM) $@
|
|
$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
|
|
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
|
|
|
|
# Create binary output
|
|
%.bin: %.elf
|
|
@echo
|
|
@echo $(MSG_BINARY) $@
|
|
$(OBJCOPY) $(TARGET).elf -O binary $(TARGET).bin
|
|
|
|
# Create extended listing file from ELF output file
|
|
%.lss: %.elf
|
|
@echo
|
|
@echo $(MSG_EXTENDED_LISTING) $@
|
|
$(OBJDUMP) -h -S $< > $@
|
|
|
|
# Create a symbol table from ELF output file
|
|
%.sym: %.elf
|
|
@echo
|
|
@echo $(MSG_SYMBOL_TABLE) $@
|
|
$(NM) -n $< > $@
|
|
|
|
# Create library from object files
|
|
.SECONDARY: $(TARGET).a
|
|
.PRECIOUS: $(OBJ)
|
|
%.a: $(OBJ)
|
|
@echo
|
|
@echo $(MSG_CREATING_LIBRARY) $@
|
|
$(AR) $@ $(OBJ)
|
|
|
|
# Link: create ELF output file from object files
|
|
.SECONDARY : $(TARGET).elf
|
|
.PRECIOUS : $(OBJ)
|
|
%.elf: $(OBJ)
|
|
@echo
|
|
@echo $(MSG_LINKING) $@
|
|
$(CC) $(ALL_CFLAGS) $^ -o $@ $(LDFLAGS)
|
|
|
|
# Compile: create object files from C source files
|
|
$(OBJDIR)/%.o : %.c
|
|
@echo $(MSG_COMPILING) $<
|
|
$(CC) -c $(ALL_CFLAGS) $< -o $@
|
|
|
|
# Compile: create object files from C++ source files
|
|
$(OBJDIR)/%.o : %.cpp
|
|
@echo
|
|
@echo $(MSG_COMPILING_CPP) $<
|
|
$(CC) -c $(ALL_CPPFLAGS) $< -o $@
|
|
|
|
# Compile: create assembler files from C source files
|
|
%.s : %.c
|
|
$(CC) -S $(ALL_CFLAGS) $< -o $@
|
|
|
|
# Compile: create assembler files from C++ source files
|
|
%.s : %.cpp
|
|
$(CC) -S $(ALL_CPPFLAGS) $< -o $@
|
|
|
|
# Assemble: create object files from assembler source files
|
|
$(OBJDIR)/%.o : %.S
|
|
@echo
|
|
@echo $(MSG_ASSEMBLING) $<
|
|
$(CC) -c $(ALL_ASFLAGS) $< -o $@
|
|
|
|
# Create preprocessed source for use in sending a bug report
|
|
%.i : %.c
|
|
$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
|
|
|
|
# Clean project
|
|
clean:
|
|
@echo $(MSG_CLEANING)
|
|
$(REMOVE) $(TARGET).hex
|
|
$(REMOVE) $(TARGET).bin
|
|
$(REMOVE) $(TARGET).eep
|
|
$(REMOVE) $(TARGET).elf
|
|
$(REMOVE) $(TARGET).map
|
|
$(REMOVE) $(TARGET).sym
|
|
$(REMOVE) $(TARGET).lss
|
|
$(REMOVEDIR) $(OBJDIR)
|
|
$(REMOVE) $(SRC:.c=.s)
|
|
$(REMOVE) $(SRC:.c=.d)
|
|
$(REMOVEDIR) .dep
|
|
|
|
# Create object files directory
|
|
mkdir $(OBJDIR)
|
|
|
|
# Include the dependency files
|
|
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
|
|
|
|
# Listing of phony targets
|
|
.PHONY: all finish sizebefore sizeafter gccversion \
|
|
build elf hex eep lss sym \
|
|
clean program
|