RAM_CODE_TARGET = updater-ram-code
OBJDIR = obj
CFILES = main.c startup.c
LINKER_SCRIPT = ram-link.ld
MAPFILE = $(RAM_CODE_TARGET)
PREFIX = arm-none-eabi-

CC = $(PREFIX)gcc
OBJCOPY = $(PREFIX)objcopy
SIZE = $(PREFIX)size

ifneq ($(VERBOSE),true)
QUIET=@
else
QUIET=
endif


DEFINES =
INCLUDEPATH = 

LFLAGS = -mlittle-endian -mthumb -mcpu=cortex-m4 -mthumb-interwork
LFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16 --disable-newlib-supplied-syscalls -nostartfiles
LFLAGS += -T$(LINKER_SCRIPT) -Wl,-Map=$(MAPFILE).map -Wl,--print-memory-usage

CFLAGS = -c -mlittle-endian -mthumb -mcpu=cortex-m4 -mthumb-interwork -O0
CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16 -nostartfiles
CFLAGS += -Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitialized -Wunused-parameter -Wimplicit-fallthrough=3 -Wsign-compare

OBJ = $(CFILES:%.c=$(OBJDIR)/%.c.o)

default: $(RAM_CODE_TARGET).bin.c

all: $(RAM_CODE_TARGET).bin.c

%.bin.c: %.bin
	@echo "[BIN2C] $@"
	$(QUIET)python bin2carray.py $@ $^

$(RAM_CODE_TARGET).bin: $(RAM_CODE_TARGET).elf
	@echo "[ELF2BIN] $@"
	$(QUIET)$(OBJCOPY) -O binary $^ $@

$(RAM_CODE_TARGET).elf: $(OBJ) $(LINKER_SCRIPT)
	@echo [LD] $@
	$(QUIET)$(CC) $(LFLAGS) $(LIBRARYPATH) -o $@ $(OBJ) $(ASOBJ) $(LIBRARIES)
	$(QUIET)$(SIZE) $@
	
$(OBJ):
	@echo [CC] $@
	$(eval OUTPATH=$(dir $@))
	@mkdir -p $(OUTPATH)
	$(QUIET)$(CC) $(CFLAGS) -MMD -MT $@ $(INCLUDEPATH) $(DEFINES) -o $@ $(@:$(OBJDIR)/%.c.o=%.c)

.PHONY: clean

clean:
	@echo [CLEAN]
	$(QUIET)rm -f $(OBJ) $(MAPFILE).map $(CFILES:%.c=$(OBJDIR)/%.c.d) $(RAM_CODE_TARGET).bin $(RAM_CODE_TARGET).elf $(RAM_CODE_TARGET).bin.c

-include $(CFILES:%.c=$(OBJDIR)/%.c.d)