RIOT/tests/drivers/candev/Makefile.board.dep

ifneq (,$(filter native native64,$(BOARD)))
  CAN_DRIVER ?= PERIPH_CAN
endif

# define the CAN driver you want to use here
CAN_DRIVER ?= MCP2515

# define the CPU family used
CPU_USED ?= SAME54

ifeq ($(CAN_DRIVER), PERIPH_CAN)
  FEATURES_REQUIRED += periph_can
  ifeq (SAME54, $(CPU_USED))
    # You can increase the number of provided filters using this block. Default number : 3
    # CFLAGS += "-DCANDEV_SAMD5X_DEFAULT_STD_FILTER_NUM=5"
    # CFLAGS += "-DCANDEV_SAMD5X_DEFAULT_EXT_FILTER_NUM=5"
  endif
else ifeq ($(CAN_DRIVER), MCP2515)
  USEMODULE += mcp2515
  # Uncomment to enable MCP2515 reception filtering
  # CFLAGS += "-DMCP2515_RECV_FILTER_EN=1"
else ifeq ($(CAN_DRIVER), CAN_ALT)
  # other can modules can be defined here
endif