# Standard things
sp              := $(sp).x
dirstack_$(sp)  := $(d)
d               := $(dir)
BUILDDIRS       += $(BUILD_PATH)/$(d)

# Add board directory and target-specific directory to
# BUILDDIRS. These are in subdirectories, but they're logically part
# of the Wirish submodule. That's a bit inconsistent with libmaple
# proper, and should be fixed.
# Optionally support out-of-tree board files if WIRISH_BOARD_PATH was exported
ifeq ($(WIRISH_BOARD_PATH),)
WIRISH_BOARD_PATH := boards/$(BOARD)
WIRISH_BOARD_INCLUDE := $(d)/$(WIRISH_BOARD_PATH)/include
WIRISH_BOARD_CPP_FILE := $(d)/$(WIRISH_BOARD_PATH)/board.cpp
BUILDDIRS += $(BUILD_PATH)/$(d)/$(WIRISH_BOARD_PATH)
else
WIRISH_BOARD_INCLUDE := $(WIRISH_BOARD_PATH)/include
WIRISH_BOARD_CPP_FILE := $(WIRISH_BOARD_PATH)/board.cpp
BUILDDIRS += $(BUILD_PATH)/$(WIRISH_BOARD_PATH)
endif
BUILDDIRS += $(BUILD_PATH)/$(d)/$(TARGET_SERIES_MODULE)

# Safe includes for Wirish.
WIRISH_INCLUDES := -I$(d)/include -I$(WIRISH_BOARD_INCLUDE)

# Local flags. Add -I$(d) to allow for private includes.
CFLAGS_$(d) := $(LIBMAPLE_INCLUDES) $(WIRISH_INCLUDES) -I$(d)

# Local rules and targets
sSRCS_$(d) := start.S
cSRCS_$(d) := start_c.c
cSRCS_$(d) += syscalls.c
cSRCS_$(d) += $(TARGET_SERIES_MODULE)/util_hooks.c
cppSRCS_$(d) := boards.cpp
cppSRCS_$(d) += cxxabi-compat.cpp
cppSRCS_$(d) += ext_interrupts.cpp
cppSRCS_$(d) += HardwareSerial.cpp
cppSRCS_$(d) += HardwareTimer.cpp
cppSRCS_$(d) += Print.cpp
cppSRCS_$(d) += pwm.cpp
ifeq ($(MCU_SERIES), stm32f1)
cppSRCS_$(d) += usb_serial.cpp	# HACK: this is currently STM32F1 only.
endif
cppSRCS_$(d) += HardwareSPI.cpp	# FIXME: port to F2 and fix wirish.h
cppSRCS_$(d) += wirish_analog.cpp
cppSRCS_$(d) +=	wirish_digital.cpp
cppSRCS_$(d) +=	wirish_math.cpp
cppSRCS_$(d) +=	wirish_shift.cpp
cppSRCS_$(d) +=	wirish_time.cpp
cppSRCS_$(d) += $(TARGET_SERIES_MODULE)/boards_setup.cpp
cppSRCS_$(d) += $(TARGET_SERIES_MODULE)/wirish_digital.cpp
cppSRCS_$(d) += $(TARGET_SERIES_MODULE)/wirish_debug.cpp

sFILES_$(d)   := $(sSRCS_$(d):%=$(d)/%)
cFILES_$(d)   := $(cSRCS_$(d):%=$(d)/%)
cppFILES_$(d) := $(cppSRCS_$(d):%=$(d)/%)

# board.cpp is a special case, because it may be out of tree
cppSRCS_$(d) += $(WIRISH_BOARD_PATH)/board.cpp
cppFILES_$(d) += $(WIRISH_BOARD_CPP_FILE)

OBJS_$(d)     := $(sFILES_$(d):%.S=$(BUILD_PATH)/%.o) \
                 $(cFILES_$(d):%.c=$(BUILD_PATH)/%.o) \
                 $(cppFILES_$(d):%.cpp=$(BUILD_PATH)/%.o)
DEPS_$(d)     := $(OBJS_$(d):%.o=%.d)

$(OBJS_$(d)): TGT_CFLAGS := $(CFLAGS_$(d))

TGT_BIN += $(OBJS_$(d))

# Standard things
-include        $(DEPS_$(d))
d               := $(dirstack_$(sp))
sp              := $(basename $(sp))