Rudimentary firmware infrastructure.

[heater.git] / firmware / Makefile

diff --git a/firmware/Makefile b/firmware/Makefile
new file mode 100644 (file)
index 0000000..da02dbb
--- /dev/null
+++ b/firmware/Makefile
@@ -0,0 +1,68 @@
+
+PROGRAM=heater
+SRC=version.c main.c
+OBJ=$(SRC:.c=.o)
+
+
+MCU=attiny25
+AVRDUDE_MCU=$(MCU)
+AVRDUDE_PROGRAMMER=usbasp
+
+CFLAGS=-Wall -Os -mmcu=$(MCU) -DUSE_LOGGING=1 -DF_CPU=1000000UL -std=gnu99
+LDFLAGS=
+AVRDUDE_FLAGS= -p$(AVRDUDE_MCU) -B 3 -c $(AVRDUDE_PROGRAMMER)
+
+FORMAT=ihex
+
+CC=avr-gcc
+OBJCOPY=avr-objcopy
+OBJDUMP=avr-objdump
+AVRDUDE=avrdude
+
+all: $(PROGRAM).hex $(PROGRAM).eep
+
+program: $(PROGRAM).hex $(PROGRAM).eep
+       $(AVRDUDE) $(AVRDUDE_FLAGS) -U flash:w:$(PROGRAM).hex:i -U eeprom:w:$(PROGRAM).eep:i
+
+program_flash: $(PROGRAM).hex
+       $(AVRDUDE) $(AVRDUDE_FLAGS) -U flash:w:$(PROGRAM).hex:i
+
+program_eeprom: $(PROGRAM).eep
+       $(AVRDUDE) $(AVRDUDE_FLAGS) eeprom:w:$(PROGRAM).eep:i
+
+dump_eeprom:
+       $(AVRDUDE) $(AVRDUDE_FLAGS) -U eeprom:r:eeprom.raw:r
+       od -tx1 eeprom.raw
+
+objdump: $(PROGRAM).elf
+       $(OBJDUMP) --disassemble $<
+
+.PRECIOUS : $(OBJ) $(PROGRAM).elf
+
+%.hex: %.elf
+       $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+
+%.eep: %.elf
+       $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+               --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+
+%.elf: $(OBJ)
+       $(CC) $(CFLAGS) $(OBJ) -o $@ $(LDFLAGS)
+
+%.o: %.c lights.h Makefile
+       $(CC) -c $(CFLAGS) $< -o $@
+
+%.s: %.c lights.h Makefile
+       $(CC) -S -c $(CFLAGS) $< -o $@
+
+%.o: %.S
+       $(CC) -c $(CFLAGS) $< -o $@
+
+clean:
+       rm -f $(PROGRAM).hex $(PROGRAM).eep $(PROGRAM).elf *.o *.s eeprom.raw
+
+version.c:
+       ./version.pl > version.c
+
+.PHONY: all clean dump_eeprom program program_flash program_eeprom objdump version.c
+