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|
set export
set unstable
default:
just --choose || true
AVR_LIBC := env("AVR_LIBC", "/usr/lib/avr")
F_CPU := "32768"
MCU := "attiny84a"
MCU_PART := "attiny84"
SRCS := "src/main.c src/display.c src/rtc.c src/button.c"
OUTDIR := "./out"
PROGRAMMER := "arduino"
UPLOAD_SPEED := "19200"
SERIAL_PORT := "/dev/ttyUSB0"
CFLAGS := f"-g -Os -std=gnu99 -Isrc -mmcu={{MCU}} -DF_CPU={{F_CPU}}L \
-I{{AVR_LIBC}}/avr/include -L{{AVR_LIBC}}/avr/lib \
-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall"
AVRDUDE := f"avrdude -v -p {{MCU_PART}} -c {{PROGRAMMER}} -P {{SERIAL_PORT}} -b {{UPLOAD_SPEED}} -F"
build: compile-flags
mkdir -p {{OUTDIR}}
avr-gcc {{CFLAGS}} {{SRCS}} -o {{OUTDIR}}/out.elf
avr-objcopy -O ihex -R .eeprom {{OUTDIR}}/out.elf {{OUTDIR}}/out.hex
du -bh "{{OUTDIR}}/out.hex"
write: build flash
flash: check-hexfile-exists
{{AVRDUDE}} -U "flash:w:{{OUTDIR}}/out.hex:i"
read:
{{AVRDUDE}} -F -U flash:r:-:h
write-fuses: check-hexfile-exists
{{AVRDUDE}} -U lfuse:w:{{OUTDIR}}/out.elf:e -U hfuse:w:{{OUTDIR}}/out.elf:e -U efuse:w:{{OUTDIR}}/out.elf:e
read-fuses:
{{AVRDUDE}} -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h
test:
gcc -g -std=gnu99 -DSTUBBED=1 -I./src -I./test/stubbed/ -Wall -Wno-unused-variable {{SRCS}} -o {{OUTDIR}}/test
{{OUTDIR}}/test
clean:
rm -rf {{OUTDIR}}
format:
find src/ test/ -iname '*.h' -o -iname '*.c' | xargs clang-format -i
@check-hexfile-exists:
[ -f "{{OUTDIR}}/out.hex" ] || (echo "No out.hex. Run build first"; exit 1);
@compile-flags:
echo '{{CFLAGS}}' | tr ' ' '\n' > ./compile_flags.txt
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