# put your *.o targets here, make should handle the rest!

SRCS += main.c system_stm32f10x.c syscalls.c stm32f10x_it.c xprintf.c 
SRCS += LEDs.c motors.c uart.c adc.c IR.c SW.c MPU6050.c i2c.c

# all the files will be generated with this name (main.elf, main.bin, main.hex, etc)

PROJ_NAME=introarm
OUTPATH=build
###################################################

# Check for valid float argument
# Set which float type to use (override hard or soft)
ifneq ($(FLOAT_TYPE), hard)
ifneq ($(FLOAT_TYPE), soft)
#override FLOAT_TYPE = hard
override FLOAT_TYPE = soft
endif
endif

###################################################
# BINPATH contains the path where your compilers are located. This should typically be <YOUR_USERNAME>/sat/bin
BINPATH=~/sat/bin
#CC contains the path to the compiler
CC=$(BINPATH)/arm-none-eabi-gcc
OBJCOPY=$(BINPATH)/arm-none-eabi-objcopy
SIZE=$(BINPATH)/arm-none-eabi-size

# CFLAGS contains all compiler flags sent to the compiler in CC
CFLAGS  = -std=gnu99 -g -Os -Wall -ffunction-sections -fdata-sections -Tstm32_flash.ld -Xlinker --gc-sections
CFLAGS += -DSTM32F10X_LD_VL -DUSE_STDPERIPH_DRIVER
CFLAGS += -mlittle-endian -mthumb -mthumb-interwork -nostartfiles -mcpu=cortex-m3

ifeq ($(FLOAT_TYPE), hard)
CFLAGS += -fsingle-precision-constant -Wdouble-promotion
CFLAGS += -mfpu=fpv4-sp-d16 -mfloat-abi=hard
#CFLAGS += -mfpu=fpv4-sp-d16 -mfloat-abi=softfp
else
CFLAGS += -msoft-float
endif

###################################################

vpath %.c src
vpath %.a lib

ROOT=$(shell pwd)

# Includes
CFLAGS += -Iinc -Ilib/Core/cmsis -Ilib/Core/stm32
CFLAGS += -Ilib/Conf

# Extra includes
CFLAGS += -Ilib/StdPeriph/inc
#CFLAGS += -Ilib/RF2400
#CFLAGS += -Ilib/RF2400/BK

# Library paths
LIBPATHS = -Llib/StdPeriph
# -Llib/RF2400 -Llib/RF2400

# Libraries to link
LIBS = -lm -lstdperiph 
#-lrf2400

SRCS += lib/startup_stm32f10x_ld_vl.s # add startup file to build

OBJS = $(SRCS:.c=.o)

###################################################

.PHONY: lib proj

all: lib proj
	$(SIZE) $(OUTPATH)/$(PROJ_NAME).elf

lib:
	$(MAKE) -C lib FLOAT_TYPE=$(FLOAT_TYPE)

proj: 	$(OUTPATH)/$(PROJ_NAME).elf

$(OUTPATH)/$(PROJ_NAME).elf: $(SRCS)
	$(CC) $(CFLAGS) $^ -o $@ $(LIBPATHS) $(LIBS)
	$(OBJCOPY) -O ihex $(OUTPATH)/$(PROJ_NAME).elf $(OUTPATH)/$(PROJ_NAME).hex
	$(OBJCOPY) -O binary $(OUTPATH)/$(PROJ_NAME).elf $(OUTPATH)/$(PROJ_NAME).bin

clean:
	rm -f *.o
	rm -f $(OUTPATH)/$(PROJ_NAME).elf
	rm -f $(OUTPATH)/$(PROJ_NAME).hex
	rm -f $(OUTPATH)/$(PROJ_NAME).bin
	$(MAKE) clean -C lib # Remove this line if you don't want to clean the libs as well