## the cpu to build for
  export CPU = stm32f1
  export CPU_MODEL = stm32f103cb
  
  # the spark-core uses its own custom linkerscript...
  export LINKER_SCRIPT = stm32f103cb_sparkcore.ld
  
  # set the default port
  export PORT ?= /dev/ttyUSB0
  
  #
  export BINFILE = $(patsubst %.elf,%.bin,$(ELFFILE))
  
  export FLASHER = dfu-util
  export DEBUGGER = # spark core has no debugger
  export RESET = # dfu-util has no support for resetting the device
  
  export OFLAGS = -O binary
  export FFLAGS = -d 1d50:607f -a 0 -s 0x08005000:leave -D "$(HEXFILE)"
  export TERMFLAGS = -p $(PORT)
  
  export INCLUDES += -I$(RIOTCPU)/$(CPU)/include/ -I$(RIOTBOARD)/$(BOARD)/include/
  
  # setup serial terminal
  include $(RIOTBOARD)/Makefile.include.serial
  
  # this board uses openocd
  include $(RIOTBOARD)/Makefile.include.openocd