CC=arm-elf-gcc
OBJCOPY=arm-elf-objcopy
ARCH=arm-elf-ar
SIZE=arm-elf-size

#CC=arm--eabi-gcc
#OBJCOPY=arm--eabi-objcopy
#ARCH=arm--eabi-ar
#SIZE=arm-eabi-size

#OPTIM=-O3  #seems to do bad stuff
#OPTIM=-O2  #for speed, does bad stuff
#OPTIM=-O1   #some
OPTIM=-O0  #none
#OPTIM=-Os  #seems to do bad stuff

CRT0=Startarm.s
LDSCRIPT=lpc2368_rom.ld
USE_THUMB_MODE=NO

REMOVE = rm -f

WARNINGS   =-Wall -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-align -Wsign-compare \
		-Waggregate-return -Wstrict-prototypes -Wunused
CPU_TYPE   = -mlittle-endian -mcpu=arm7tdmi -marm -fpack-struct -DUART1_LPRINTF
DEBUG = -gdwarf-2 -MD -O


PROJECT=LPC2378TEST

SOURCE_DIR= ./source
RTOS_SOURCE_DIR= ./FreeRTOS_CORE
RTOS_PORT_DIR = ./LPC23xx_PORT


#
# CFLAGS common to both the THUMB and ARM mode builds
#
CFLAGS=$(WARNINGS)  -D GCC_ARM7 -I. \
		-I ./include \
		-I $(SOURCE_DIR) \
		-I $(RTOS_SOURCE_DIR) \
		-I $(RTOS_PORT_DIR) \
		$(DEBUG) $(CPU_TYPE) -T$(LDSCRIPT) \
		$(OPTIM)

CFLAGS += -Wa,-adhlns=$(subst $(suffix $<),.lst,$<)
# CFLAGS += -Wa,-adhlns=$(subst $<,$<.lst,$<)

ifeq ($(USE_THUMB_MODE),YES)
	CFLAGS += -mthumb-interwork -D THUMB_INTERWORK
	THUMB_FLAGS=-mthumb
endif


LINKER_FLAGS=-Xlinker -o$(PROJECT).elf -Xlinker -M -Xlinker -Map=$(PROJECT).map


# Source files that can be built to THUMB mode.
THUMB_SRC =


# Source files that must be built to ARM mode.
ARM_CSRC+=main.c portlcd.c
ARM_SSRC+=$(CRT0)


#FreeRTOS files,
ARM_CSRC+=$(RTOS_PORT_DIR)/heap_1.c $(RTOS_PORT_DIR)/port.c $(RTOS_PORT_DIR)/portISR.c
ARM_CSRC+=$(RTOS_SOURCE_DIR)/tasks.c $(RTOS_SOURCE_DIR)/queue.c $(RTOS_SOURCE_DIR)/list.c $(RTOS_SOURCE_DIR)/croutine.c


all: $(PROJECT).elf $(PROJECT).hex

# Define all object files.
ARM_COBJ = $(ARM_CSRC:.c=.o)
ARM_SOBJ = $(ARM_SSRC:.s=.o)
THUMB_OBJ = $(THUMB_SRC:.c=.o)

$(PROJECT).hex : $(PROJECT).elf
	$(OBJCOPY) $(PROJECT).elf -O ihex $(PROJECT).hex
	$(CC) --version

$(PROJECT).elf : $(ARM_COBJ) $(ARM_SOBJ) $(THUMB_OBJ) $(CRT0)  Makefile
	echo #####
	echo ##### PROJECT.elf - $<
	echo #####
	$(CC) $(CFLAGS) $(ARM_COBJ) $(ARM_SOBJ) $(THUMB_OBJ) -nostartfiles $(LINKER_FLAGS)
	$(SIZE) -A $(PROJECT).elf

$(THUMB_OBJ) : %.o : %.c $(LDSCRIPT) Makefile
	echo #####
	echo ##### THUMB_OBJ - $<
	echo #####
	$(CC) -c $(THUMB_FLAGS) $(CFLAGS) $< -o $@

$(ARM_COBJ) : %.o : %.c $(LDSCRIPT) Makefile
	echo #####
	echo ##### ARM_COBJ - $<
	echo #####
	$(CC) -c $(CFLAGS) $< -o $@

$(ARM_SOBJ) : %.o : %.s $(LDSCRIPT) Makefile
	echo #####
	echo ##### ARM_SOBJ - $<
	echo #####
	$(CC) -c $(CFLAGS) $< -o $@

clean :
	$(REMOVE) $(ARM_COBJ)
	$(REMOVE) $(ARM_SOBJ)
	$(REMOVE) $(THUMB_OBJ)
	$(REMOVE) *.lst *.d *.o *.map *.hex *.elf
#	touch Makefile