#PROJECT                    ?= $(shell cd $(TOPDIR); /bin/pwd | xargs notdir)

#define mcu_check_var
#  ifeq ($($(1)),)
#    $(error $(1) not specified)
#  endif
#endef

#ifneq ($(MAKECMDGOALS),clean)
#  ifeq ($(MCU_BOARD_MODEL),)
#    $(error MCU_BOARD_MODEL not specified)
#  endif
#
#  ifeq ($(MCU_FLASH_OFFSET),)
#    $(error MCU_FLASH_OFFSET not specified)
#  endif
#
#  ifeq ($(MCU_FLASH_SIZE),)
#    $(error MCU_FLASH_SIZE not specified)
#  endif
#endif

MCU_PRODUCT_TMPL_DIR        ?= $(JWBDIR)/tmpl/products

ifneq ($(TARGET_PRODUCT),)
  MCU_BOARD_MODEL_LC        ?= $(TARGET_PRODUCT)
  MCU_BOARD                 ?= $(TARGET_PRODUCT)
  MCU_BOARD_LC              ?= $(TARGET_PRODUCT)
else
  MCU_BOARD_MODEL_LC        ?= $(shell $(ECHO) $(MCU_BOARD_MODEL) | $(TR) '[A-Z]' '[a-z]')
  MCU_BOARD                 ?= $(MCU_BOARD_MODEL)
  MCU_BOARD_LC              ?= $(shell $(ECHO) $(MCU_BOARD) | $(TR) '[A-Z]' '[a-z]')
endif

MCU_OPENOCD_CFG_DEFAULT_SEARCH_PATH ?= $(TOPDIR)/make
MCU_OPENOCD_CFG_SEARCH_PATH ?= $(MCU_OPENOCD_CFG_DEFAULT_SEARCH_PATH)
MCU_OPENOCD_CFG_FILE        ?= $(info looking for $(MCU_OPENOCD_CFG_NAME) in $(MCU_OPENOCD_CFG_SEARCH_PATH)) $(call find_file,$(MCU_OPENOCD_CFG_NAME),$(MCU_OPENOCD_CFG_SEARCH_PATH))
MCU_OPENOCD_TELNET_PORT     ?= 4444
MCU_OPENOCD_OPTS            ?= -f $(MCU_OPENOCD_CFG_FILE) -c "echo \"Started by jw-build\"" -c "gdb_port 3333" -c "telnet_port $(MCU_OPENOCD_TELNET_PORT)" -c "tcl_port 6666"
MCU_OPENOCD_BIN             ?= openocd
MCU_OPENOCD                 ?= $(MCU_OPENOCD_BIN) $(MCU_OPENOCD_OPTS) $(MCU_OPENOCD_EXTRA_OPTS)

# -- direct flash access
MCU_FLASH_BANK              ?= 0
#MCU_FLASH_OFFSET           ?= 0x0000000
#MCU_FLASH_SIZE             ?= 0x5000

MCU_FLASH_FILE_BASE         ?= $(MCU_BOARD_LC)-flash-$(MCU_FLASH_BANK_NAME)
MCU_FLASH_FILE_BIN          ?= $(MCU_FLASH_FILE_BASE).bin
MCU_FLASH_FILE_HEX          ?= $(MCU_FLASH_FILE_BASE).hex

MCU_FLASH_FETCH_BANK        ?= $(MCU_FLASH_BANK)
MCU_FLASH_FETCH_FILE_BIN    ?= $(MCU_FLASH_FILE_BIN)
MCU_FLASH_FETCH_FILE_HEX    ?= $(MCU_FLASH_FILE_HEX)
MCU_FLASH_FETCH_OFFSET      ?= $(MCU_FLASH_OFFSET)
MCU_FLASH_FETCH_SIZE        ?= $(MCU_FLASH_SIZE)

MCU_FLASH_PUSH_BANK         ?= $(MCU_FLASH_BANK)
MCU_FLASH_PUSH_FILE_BIN     ?= $(MCU_FLASH_FILE_BIN)
MCU_FLASH_PUSH_FILE_HEX     ?= $(MCU_FLASH_FILE_HEX)
MCU_FLASH_PUSH_OFFSET       ?= $(MCU_FLASH_OFFSET)
MCU_FLASH_PUSH_SIZE         ?= $(MCU_FLASH_SIZE)

# -- direct memory access
MCU_MEM_FETCH_FILE_BIN      ?= $(MCU_MEM_FILE_BIN)
MCU_MEM_FETCH_FILE_HEX      ?= $(MCU_MEM_FILE_HEX)
MCU_MEM_FETCH_OFFSET        ?= $(MCU_FLASH_OFFSET)
MCU_MEM_FETCH_SIZE          ?= $(MCU_FLASH_SIZE)

MCU_MEM_PUSH_FILE_BIN       ?= $(MCU_MEM_FILE_BIN)
MCU_MEM_PUSH_FILE_HEX       ?= $(MCU_MEM_FILE_HEX)
MCU_MEM_PUSH_OFFSET         ?= $(MCU_FLASH_OFFSET)
MCU_MEM_PUSH_SIZE           ?= $(MCU_FLASH_SIZE)

MCU_MEM_FILE_BASE           ?= $(MCU_BOARD_LC)-mem-$(MCU_MEM_FETCH_OFFSET)-$(MCU_MEM_FETCH_SIZE)
MCU_MEM_FILE_BIN            ?= $(MCU_MEM_FILE_BASE).bin
MCU_MEM_FILE_HEX            ?= $(MCU_MEM_FILE_BASE).hex

ifneq ($(MCU_MEM_FETCH_OFFSET),)
  MCU_OBJCOPY_FETCH_OPTS    += --change-addresses $(MCU_MEM_FETCH_OFFSET)
endif