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Makefile
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Makefile
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######### AVR Project Makefile Template #########
###### ######
###### Copyright (C) 2003, Pat Deegan, ######
###### Psychogenic Inc ######
###### All Rights Reserved ######
###### ######
###### You are free to use this code as part ######
###### of your own applications provided ######
###### you keep this copyright notice intact ######
###### and acknowledge its authorship with ######
###### the words: ######
###### ######
###### "Contains software by Pat Deegan of ######
###### Psychogenic Inc (www.psychogenic.com)" ######
###### ######
###### If you use it as part of a web site ######
###### please include a link to our site, ######
###### http://electrons.psychogenic.com or ######
###### http://www.psychogenic.com ######
###### ######
####################################################
##### This Makefile will make compiling Atmel AVR
##### micro controller projects simple with Linux
##### or other Unix workstations and the AVR-GCC
##### tools.
#####
##### It supports C, C++ and Assembly source files.
#####
##### Customize the values as indicated below and :
##### make
##### make disasm
##### make stats
##### make hex
##### make writeflash
##### make gdbinit
##### or make clean
#####
##### See the http://electrons.psychogenic.com/
##### website for detailed instructions
####################################################
##### #####
##### Configuration #####
##### #####
##### Customize the values in this section for #####
##### your project. MCU, PROJECTNAME and #####
##### PRJSRC must be setup for all projects, #####
##### the remaining variables are only #####
##### relevant to those needing additional #####
##### include dirs or libraries and those #####
##### who wish to use the avrdude programmer #####
##### #####
##### See http://electrons.psychogenic.com/ #####
##### for further details. #####
##### #####
####################################################
##### Target Specific Details #####
##### Customize these for your project #####
# Name of target controller
# (e.g. 'at90s8515', see the available avr-gcc mmcu
# options for possible values)
MCU=atmega164p
AVRDUDEMCU=m164p
# Name of our project
# (use a single word, e.g. 'myproject')
PROJECTNAME=scroller
# Source files
# List C/C++/Assembly source files:
# (list all files to compile, e.g. 'a.c b.cpp as.S'):
# Use .cc, .cpp or .C suffix for C++ files, use .S
# (NOT .s !!!) for assembly source code files.
PRJSRC=main.c uart.c quadm.c
# additional includes (e.g. -I/path/to/mydir)
INC=#/home/andrew/programming/avr/libs
# libraries to link in (e.g. -lmylib)
LIBS=
# Optimization level,
# use s (size opt), 1, 2, 3 or 0 (off)
OPTLEVEL=s
##### AVR Dude 'writeflash' options #####
##### If you are using the avrdude program
##### (http://www.bsdhome.com/avrdude/) to write
##### to the MCU, you can set the following config
##### options and use 'make writeflash' to program
##### the device.
# programmer id--check the avrdude for complete list
# of available opts. These should include stk500,
# avr910, avrisp, bsd, pony and more. Set this to
# one of the valid "-c PROGRAMMER-ID" values
# described in the avrdude info page.
#
AVRDUDE_PROGRAMMERID=usbtiny
# port--serial or parallel port to which your
# hardware programmer is attached
#
#AVRDUDE_PORT=/dev/ttyS0
PYGALOAD_PORT=/dev/ttyUSB0
####################################################
##### Config Done #####
##### #####
##### You shouldn't need to edit anything #####
##### below to use the makefile but may wish #####
##### to override a few of the flags #####
##### nonetheless #####
##### #####
####################################################
##### Flags ####
# HEXFORMAT -- format for .hex file output
HEXFORMAT=ihex
# compiler
CFLAGS=-I. $(INC) -g -mmcu=$(MCU) -O$(OPTLEVEL) \
-fpack-struct -fshort-enums \
-funsigned-bitfields -funsigned-char \
-Wall -Wstrict-prototypes \
-Wa,-ahlms=$(firstword \
$(filter %.lst, $(<:.c=.lst)))
# c++ specific flags
CPPFLAGS=-fno-exceptions \
-Wa,-ahlms=$(firstword \
$(filter %.lst, $(<:.cpp=.lst))\
$(filter %.lst, $(<:.cc=.lst)) \
$(filter %.lst, $(<:.C=.lst)))
# assembler
ASMFLAGS =-I. $(INC) -mmcu=$(MCU) \
-x assembler-with-cpp \
-Wa,-gstabs,-ahlms=$(firstword \
$(<:.S=.lst) $(<.s=.lst))
# linker
LDFLAGS=-Wl,-Map,$(TRG).map -mmcu=$(MCU) \
-lm $(LIBS)
##### executables ####
CC=avr-gcc
OBJCOPY=avr-objcopy
OBJDUMP=avr-objdump
SIZE=avr-size
AVRDUDE=avrdude
REMOVE=rm -f
PYGALOAD=pygaload
##### automatic target names ####
TRG=$(PROJECTNAME).out
DUMPTRG=$(PROJECTNAME).s
HEXROMTRG=$(PROJECTNAME).hex
HEXTRG=$(HEXROMTRG) $(PROJECTNAME).ee.hex
GDBINITFILE=gdbinit-$(PROJECTNAME)
# Define all object files.
# Start by splitting source files by type
# C++
CPPFILES=$(filter %.cpp, $(PRJSRC))
CCFILES=$(filter %.cc, $(PRJSRC))
BIGCFILES=$(filter %.C, $(PRJSRC))
# C
CFILES=$(filter %.c, $(PRJSRC))
# Assembly
ASMFILES=$(filter %.S, $(PRJSRC))
# List all object files we need to create
OBJDEPS=$(CFILES:.c=.o) \
$(CPPFILES:.cpp=.o)\
$(BIGCFILES:.C=.o) \
$(CCFILES:.cc=.o) \
$(ASMFILES:.S=.o)
# Define all lst files.
LST=$(filter %.lst, $(OBJDEPS:.o=.lst))
# All the possible generated assembly
# files (.s files)
GENASMFILES=$(filter %.s, $(OBJDEPS:.o=.s))
.SUFFIXES : .c .cc .cpp .C .o .out .s .S \
.hex .ee.hex .h .hh .hpp
.PHONY: writeflash clean stats gdbinit stats
# Make targets:
# all, disasm, stats, hex, writeflash/install, clean
all: $(TRG)
disasm: $(DUMPTRG) stats
stats: $(TRG)
$(OBJDUMP) -h $(TRG)
$(SIZE) $(TRG)
hex: $(HEXTRG)
writeflash: hex
$(AVRDUDE) -c $(AVRDUDE_PROGRAMMERID) \
-p $(AVRDUDEMCU) -e \
-U flash:w:$(HEXROMTRG) -B 1
pygaload: hex
$(PYGALOAD) $(HEXROMTRG) -p $(PYGALOAD_PORT) --send-reset="RST\\r" -V
# change this to "writeflash" to use avrdude by default
install: writeflash
$(DUMPTRG): $(TRG)
$(OBJDUMP) -S $< > $@
$(TRG): $(OBJDEPS)
$(CC) $(LDFLAGS) -o $(TRG) $(OBJDEPS)
#### Generating assembly ####
# asm from C
%.s: %.c
$(CC) -S $(CFLAGS) $< -o $@
# asm from (hand coded) asm
%.s: %.S
$(CC) -S $(ASMFLAGS) $< > $@
# asm from C++
.cpp.s .cc.s .C.s :
$(CC) -S $(CFLAGS) $(CPPFLAGS) $< -o $@
#### Generating object files ####
# object from C
.c.o:
$(CC) $(CFLAGS) -c $<
# object from C++ (.cc, .cpp, .C files)
.cc.o .cpp.o .C.o :
$(CC) $(CFLAGS) $(CPPFLAGS) -c $<
# object from asm
.S.o :
$(CC) $(ASMFLAGS) -c $< -o $@
#### Generating hex files ####
# hex files from elf
##### Generating a gdb initialisation file #####
.out.hex:
$(OBJCOPY) -j .text \
-j .data \
-O $(HEXFORMAT) $< $@
.out.ee.hex:
-$(OBJCOPY) -j .eeprom \
--change-section-lma .eeprom=0 \
-O $(HEXFORMAT) $< $@
##### Generating a gdb initialisation file #####
##### Use by launching simulavr and avr-gdb: #####
##### avr-gdb -x gdbinit-myproject #####
gdbinit: $(GDBINITFILE)
$(GDBINITFILE): $(TRG)
@echo "file $(TRG)" > $(GDBINITFILE)
@echo "target remote localhost:1212" \
>> $(GDBINITFILE)
@echo "load" >> $(GDBINITFILE)
@echo "break main" >> $(GDBINITFILE)
@echo "continue" >> $(GDBINITFILE)
@echo
@echo "Use 'avr-gdb -x $(GDBINITFILE)'"
#### Cleanup ####
clean:
$(REMOVE) $(TRG) $(TRG).map $(DUMPTRG)
$(REMOVE) $(OBJDEPS)
$(REMOVE) $(LST) $(GDBINITFILE)
$(REMOVE) $(GENASMFILES)
$(REMOVE) $(HEXTRG)
##### EOF #####