# Author: Harald Baumgart DL4SAI
# everybody may  copy, use or modify this file
# there is no guarantee for anything by the author
#
# HB 20.8.2015
# make (all)  -> compile the arm-executable .bin and .elf, generate .map and .dmp
# make clean  -> remove the executable files, map, dmp and all object files (.o)
# make handy  -> rm all .o (but not executables, .map and .dmp)

PRJ  = my_mchf_dl4sai_v000_b000
LPRJ = my_mchf_dl4sai
PREFIX = /opt/gcc-arm-none-eabi-4_9-2015q1
GCC_LIB_VERSION = 4.9.3

# compilation options
CFLAGS  = -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mthumb -ffunction-sections -fdata-sections -O3 \
 -DARM_MATH_CM4 -DSTM32F407VG -DSTM32F4XX -D__FPU_USED -D__FPU_PRESENT -DUSE_STDPERIPH_DRIVER -D__ASSEMBLY__ -c -W -Wall
LDFLAGS := -nostdlib
LIBS := -Llibs -larm_cortexM4lf_math -L$(PREFIX)/arm-none-eabi/lib/armv7e-m/fpu -L$(PREFIX)/lib/gcc/arm-none-eabi/$(GCC_LIB_VERSION)/armv7e-m/fpu -lc -lm -lg -lgcc

# Every subdirectory with header files must be mentioned here
SUBDIRS := \
usb/usbh/core/inc \
usb/usbh/class/HID/inc \
usb/otg/inc \
usb \
usb/usbd/core/inc \
usb/usbd/class/audio/inc \
usb/usbd/class/cdc/inc \
cmsis_lib/include \
cmsis_lib/source \
drivers/cat \
drivers/cat/usb \
drivers/audio \
drivers/audio/cw \
drivers/audio/codec \
drivers/audio/softdds \
drivers/audio/filters \
drivers/keyboard \
drivers/keyboard/usb \
drivers/ui/oscillator \
drivers/ui \
drivers/ui/misc \
drivers/ui/encoder \
drivers/ui/lcd \
hardware \
cmsis_boot \
cmsis \
misc \
misc/v_eprom

# every source-file has to be mentioned here 

SRC     = \
main.c \
usb/usbh/core/src/usbh_hcs.c \
usb/usbh/core/src/usbh_core.c \
usb/usbh/core/src/usbh_ioreq.c \
usb/usbh/core/src/usbh_stdreq.c \
usb/usbh/class/HID/src/usbh_hid_keybd.c \
usb/usbh/class/HID/src/usbh_hid_core.c \
usb/usbh/class/HID/src/usbh_hid_mouse.c \
usb/otg/src/usb_core.c \
usb/otg/src/usb_hcd_int.c \
usb/otg/src/usb_dcd.c \
usb/otg/src/usb_dcd_int.c \
usb/otg/src/usb_otg.c \
usb/otg/src/usb_hcd.c \
usb/usbd/core/src/usbd_core.c \
usb/usbd/core/src/usbd_ioreq.c \
usb/usbd/core/src/usbd_req.c \
usb/usbd/class/audio/src/usbd_audio_core.c \
usb/usbd/class/audio/src/usbd_audio_out_if.c \
usb/usbd/class/cdc/src/usbd_cdc_core.c \
cmsis_lib/source/stm32f4xx_usart.c \
cmsis_lib/source/misc.c \
cmsis_lib/source/stm32f4xx_pwr.c \
cmsis_lib/source/stm32f4xx_syscfg.c \
cmsis_lib/source/stm32f4xx_gpio.c \
cmsis_lib/source/stm32f4xx_wwdg.c \
cmsis_lib/source/stm32f4xx_adc.c \
cmsis_lib/source/stm32f4xx_exti.c \
cmsis_lib/source/stm32f4xx_i2c.c \
cmsis_lib/source/stm32f4xx_dac.c \
cmsis_lib/source/stm32f4xx_fsmc.c \
cmsis_lib/source/stm32f4xx_flash.c \
cmsis_lib/source/stm32f4xx_spi.c \
cmsis_lib/source/stm32f4xx_dma.c \
cmsis_lib/source/stm32f4xx_rtc.c \
cmsis_lib/source/stm32f4xx_tim.c \
cmsis_lib/source/stm32f4xx_rcc.c \
drivers/cat/cat_driver.c \
drivers/cat/usb/usbd_usr.c \
drivers/cat/usb/usbd_bsp.c \
drivers/cat/usb/usbd_desc.c \
drivers/cat/usb/usbd_cdc_vcp.c \
drivers/audio/cw/cw_gen.c \
drivers/audio/audio_driver.c \
drivers/audio/codec/codec.c \
drivers/audio/codec/i2s.c \
drivers/audio/softdds/softdds.c \
drivers/keyboard/usb/usbh_bsp.c \
drivers/keyboard/usb/usbh_usr.c \
drivers/keyboard/keyb_driver.c \
drivers/ui/oscillator/ui_si570.c \
drivers/ui/ui_menu.c \
drivers/ui/ui_driver.c \
drivers/ui/encoder/ui_rotary.c \
drivers/ui/lcd/ui_lcd_hy28.c \
drivers/ui/lcd/ui_lcd_hy28_fonts.c \
hardware/mchf_hw_i2c2.c \
hardware/mchf_hw_i2c.c \
hardware/mchf_board.c \
cmsis_boot/system_stm32f4xx.c \
cmsis_boot/startup/startup_stm32f4xx.c \
syscalls/syscalls.c \
misc/v_eprom/eeprom.c \
stdio/printf.c


# ------------- nothing to change below this line ---------------------- 

INC_DIRS = $(foreach d, $(SUBDIRS), -I$d)

CC = ${PREFIX}/bin/arm-none-eabi-gcc
OC = ${PREFIX}/bin/arm-none-eabi-objcopy

ifdef SystemRoot # case WINxx:
   RM = del /Q
   FixPath = $(subst /,\,$1)
else             # case Linux:
   ifeq ($(shell uname), Linux)
      RM = rm -f
      FixPath = $1
   endif
endif

# how to compile individual object files
OBJS  :=
OBJS  += $(SRC:.c=.o)
.c.o:
	$(CC) $(CFLAGS) -c ${INC_DIRS} $< -o $@

.PHONY: all clean

all: $(LPRJ).elf $(PRJ).bin

# compilation
$(LPRJ).elf: $(OBJS) $(SRC)
	$(CC) $(LDFLAGS) -Tarm-gcc-link.ld -Wl,-Map,${LPRJ}.map -o${LPRJ}.elf $(OBJS) $(LIBS)

$(PRJ).bin: $(LPRJ).elf
	$(OC) -v -O binary $< $(PRJ).bin

# cleaning rule
clean:
	$(RM) $(call FixPath,$(OBJS))
	$(RM) $(call FixPath,$(LPRJ).elf)
	$(RM) $(call FixPath,$(PRJ).bin)
	$(RM) $(call FixPath,$(LPRJ).map)
	$(RM) $(call FixPath,*~)

handy:
	$(RM) $(call FixPath,$(OBJS))
	$(RM) $(call FixPath,*~)

# DO NOT DELETE THIS LINE -- make depend depends on it.