build.ninja

# Defaults
mcu = atmega328p
programmer = usbasp
baud = 9600
cpu_clock = 8000000UL
target = build


# Fuse settings
l_fuse = 0xE2
h_fuse = 0xD9
e_fuse = 0xFF

# Directorys
builddir = build
sourcedir = src
headerdir = include
lib_header = /home/jonas/Projekte/librarys/include
lib_source = /home/jonas/Projekte/librarys/src

# Compiler flags
cc = avr-gcc
cpflags = -DF_CPU=$cpu_clock -DBAUD=$baud -mmcu=$mcu -I$headerdir -I$lib_header
cflags = -Os -g -std=gnu99 -Wall -ffunction-sections
avrdude_flags = -c $programmer -p $mcu
ldflags = -Wl,-Map,$builddir/$target.map -Wl,--gc-sections -mmcu=$mcu

rule c
  command = $cc $cflags $cpflags -c $in -o $out
  description = c $out

rule link
  command = $cc $ldflags -o $out $in $libs
  description = linking $out

rule hex
  command = avr-objcopy -j .text -j .data -O ihex $in $out
  description = generating hex $out

rule flash
  command = avrdude $avrdude_flags -U flash:w:$in
  description = flashing $in

rule size
  command = avr-size -C --mcu=$mcu $in

rule fuse
  command = avrdude $avrdude_flags -U lfuse:w:$l_fuse:m -U hfuse:w:$h_fuse:m -U efuse:w:$e_fuse:m

build $builddir/main.o: c $sourcedir/main.c

build $builddir/$target.elf: link $builddir/main.o

build $builddir/$target.hex: hex $builddir/$target.elf
build program: flash $builddir/$target.hex
build size: size $builddir/$target.elf
build fuse: fuse

default program