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# Hey Emacs, this is a -*- makefile -*-
# AVR-GCC Makefile template, derived from the WinAVR template (which
# is public domain), believed to be neutral to any flavor of "make"
# (GNU make, BSD make, SysV make)
MCU = atmega168
F_CPU = 16000000
FORMAT = ihex
TARGET = example
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SRC = example.c timer/clock-arch.c timer/timer.c
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ASRC =
OPT = s
# Name of this Makefile (used for "make depend").
MAKEFILE = Makefile
# Debugging format.
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
DEBUG = stabs
# 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
CDEFS = -DF_CPU= $( F_CPU) UL
# Place -I options here
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CINCS = -Ipt -Itimer
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CDEBUG = -g$( DEBUG)
CWARN = -Wall -Wstrict-prototypes
CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
CFLAGS = $( CDEBUG) $( CDEFS) $( CINCS) -O$( OPT) $( CWARN) $( CSTANDARD) $( CEXTRA)
#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
#Additional libraries.
# 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
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
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,--section-start,.data=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 =
#LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
LDFLAGS = $( EXTMEMOPTS) $( LDMAP) $( PRINTF_LIB) $( SCANF_LIB) $( MATH_LIB)
# Programming support using avrdude. Settings and variables.
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AVRDUDE_PROGRAMMER = stk500v1
AVRDUDE_PORT = /dev/ttyUSB0
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AVRDUDE_WRITE_FLASH = -U flash:w:$( 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.
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AVRDUDE_NO_VERIFY = -V
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# Increase verbosity level. Please use this when submitting bug
# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
# to submit bug reports.
#AVRDUDE_VERBOSE = -v -v
AVRDUDE_BASIC = -p $( MCU) -P $( AVRDUDE_PORT) -c $( AVRDUDE_PROGRAMMER)
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AVRDUDE_FLAGS = $( AVRDUDE_BASIC) $( AVRDUDE_NO_VERIFY) $( AVRDUDE_VERBOSE) $( AVRDUDE_ERASE_COUNTER) -b19200
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CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
NM = avr-nm
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#AVRDUDE = avrdude
AVRDUDE = /home/entropia/Desktop/arduinisten/arduino-0018-linux-x64/hardware/tools/avrdude -C/home/entropia/Desktop/arduinisten/arduino-0018-linux-x64/hardware/tools/avrdude.conf
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REMOVE = rm -f
MV = mv -f
# Define all object files.
OBJ = $( SRC:.c= .o) $( ASRC:.S= .o)
# Define all listing files.
LST = $( ASRC:.S= .lst) $( SRC:.c= .lst)
# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -mmcu= $( MCU) -I. $( CFLAGS)
ALL_ASFLAGS = -mmcu= $( MCU) -I. -x assembler-with-cpp $( ASFLAGS)
# Default target.
all : build
build : elf hex eep
elf : $( TARGET ) .elf
hex : $( TARGET ) .hex
eep : $( TARGET ) .eep
lss : $( TARGET ) .lss
sym : $( TARGET ) .sym
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# Reset Arduino
program-reset :
perl -MDevice::SerialPort -e " Device::SerialPort->new(' $( AVRDUDE_PORT) ')->pulse_dtr_on(100); "
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# Program the device.
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program : $( TARGET ) .hex $( TARGET ) .eep program -reset
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$( AVRDUDE) $( AVRDUDE_FLAGS) $( AVRDUDE_WRITE_FLASH) $( AVRDUDE_WRITE_EEPROM)
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
COFFCONVERT = $( OBJCOPY) --debugging \
- - c h a n g e - s e c t i o n - a d d r e s s . d a t a - 0 x 8 0 0 0 0 0 \
- - c h a n g e - s e c t i o n - a d d r e s s . b s s - 0 x 8 0 0 0 0 0 \
- - c h a n g e - s e c t i o n - a d d r e s s . n o i n i t - 0 x 8 0 0 0 0 0 \
- - c h a n g e - s e c t i o n - a d d r e s s . e e p r o m - 0 x 8 1 0 0 0 0
coff : $( TARGET ) .elf
$( COFFCONVERT) -O coff-avr $( TARGET) .elf $( TARGET) .cof
extcoff : $( TARGET ) .elf
$( COFFCONVERT) -O coff-ext-avr $( TARGET) .elf $( TARGET) .cof
.SUFFIXES : .elf .hex .eep .lss .sym
.elf.hex :
$( OBJCOPY) -O $( FORMAT) -R .eeprom $< $@
.elf.eep :
-$( OBJCOPY) -j .eeprom --set-section-flags= .eeprom= "alloc,load" \
--change-section-lma .eeprom= 0 -O $( FORMAT) $< $@
# Create extended listing file from ELF output file.
.elf.lss :
$( OBJDUMP) -h -S $< > $@
# Create a symbol table from ELF output file.
.elf.sym :
$( NM) -n $< > $@
# Link: create ELF output file from object files.
$(TARGET).elf : $( OBJ )
$( CC) $( ALL_CFLAGS) $( OBJ) --output $@ $( LDFLAGS)
# Compile: create object files from C source files.
.c.o :
$( CC) -c $( ALL_CFLAGS) $< -o $@
# Compile: create assembler files from C source files.
.c.s :
$( CC) -S $( ALL_CFLAGS) $< -o $@
# Assemble: create object files from assembler source files.
.S.o :
$( CC) -c $( ALL_ASFLAGS) $< -o $@
# Target: clean project.
clean :
$( REMOVE) $( TARGET) .hex $( TARGET) .eep $( TARGET) .cof $( TARGET) .elf \
$( TARGET) .map $( TARGET) .sym $( TARGET) .lss \
$( OBJ) $( LST) $( SRC:.c= .s) $( SRC:.c= .d)
depend :
if grep '^# DO NOT DELETE' $( MAKEFILE) >/dev/null; \
then \
sed -e '/^# DO NOT DELETE/,$$d' $( MAKEFILE) > \
$( MAKEFILE) .$$ $$ && \
$( MV) $( MAKEFILE) .$$ $$ $( MAKEFILE) ; \
fi
echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
>> $( MAKEFILE) ; \
$( CC) -M -mmcu= $( MCU) $( CDEFS) $( CINCS) $( SRC) $( ASRC) >> $( MAKEFILE)
.PHONY : all build elf hex eep lss sym program coff extcoff clean depend