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# ---------------------------------------
# Common make definition for all examples
# ---------------------------------------
# Build directory
BUILD := _build/$(BOARD)
PROJECT := $(notdir $(CURDIR))
BIN := $(TOP)/_bin/$(BOARD)/$(notdir $(CURDIR))
# Handy check parameter function
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defined,$1,$(strip $(value 2)))))
__check_defined = \
$(if $(value $1),, \
$(error Undefined make flag: $1$(if $2, ($2))))
#-------------- Select the board to build for. ------------
# Board without family
ifneq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/board.mk),)
BOARD_PATH := hw/bsp/$(BOARD)
FAMILY :=
endif
# Board within family
ifeq ($(BOARD_PATH),)
BOARD_PATH := $(subst $(TOP)/,,$(wildcard $(TOP)/hw/bsp/*/boards/$(BOARD)))
FAMILY := $(word 3, $(subst /, ,$(BOARD_PATH)))
FAMILY_PATH = hw/bsp/$(FAMILY)
endif
ifeq ($(BOARD_PATH),)
$(info You must provide a BOARD parameter with 'BOARD=')
$(error Invalid BOARD specified)
endif
ifeq ($(FAMILY),)
include $(TOP)/hw/bsp/$(BOARD)/board.mk
else
# Include Family and Board specific defs
include $(TOP)/$(FAMILY_PATH)/family.mk
SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(FAMILY_PATH)/*.c))
endif
# Fetch submodules depended by family
fetch_submodule_if_empty = $(if $(wildcard $(TOP)/$1/*),,$(info $(shell git -C $(TOP) submodule update --init $1)))
ifdef DEPS_SUBMODULES
$(foreach s,$(DEPS_SUBMODULES),$(call fetch_submodule_if_empty,$(s)))
endif
#-------------- Cross Compiler ------------
# Can be set by board, default to ARM GCC
CROSS_COMPILE ?= arm-none-eabi-
CC = $(CROSS_COMPILE)gcc
CXX = $(CROSS_COMPILE)g++
GDB = $(CROSS_COMPILE)gdb
OBJCOPY = $(CROSS_COMPILE)objcopy
SIZE = $(CROSS_COMPILE)size
MKDIR = mkdir
ifeq ($(CMDEXE),1)
CP = copy
RM = del
else
SED = sed
CP = cp
RM = rm
endif
#-------------- Source files and compiler flags --------------
# Include all source C in family & board folder
SRC_C += hw/bsp/board.c
SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(BOARD_PATH)/*.c))
INC += $(TOP)/$(FAMILY_PATH)
# Compiler Flags
CFLAGS += \
-ggdb \
-fdata-sections \
-ffunction-sections \
-fsingle-precision-constant \
-fno-strict-aliasing \
-Wdouble-promotion \
-Wstrict-prototypes \
-Wstrict-overflow \
-Wall \
-Wextra \
-Werror \
-Wfatal-errors \
-Werror-implicit-function-declaration \
-Wfloat-equal \
-Wundef \
-Wshadow \
-Wwrite-strings \
-Wsign-compare \
-Wmissing-format-attribute \
-Wunreachable-code \
-Wcast-align \
-Wcast-function-type
# Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -Og
else
CFLAGS += -Os
endif
# Log level is mapped to TUSB DEBUG option
ifneq ($(LOG),)
CMAKE_DEFSYM += -DLOG=$(LOG)
CFLAGS += -DCFG_TUSB_DEBUG=$(LOG)
endif
# Logger: default is uart, can be set to rtt or swo
ifneq ($(LOGGER),)
CMAKE_DEFSYM += -DLOGGER=$(LOGGER)
endif
ifeq ($(LOGGER),rtt)
CFLAGS += -DLOGGER_RTT -DSEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
RTT_SRC = lib/SEGGER_RTT
INC += $(TOP)/$(RTT_SRC)/RTT
SRC_C += $(RTT_SRC)/RTT/SEGGER_RTT.c
else ifeq ($(LOGGER),swo)
CFLAGS += -DLOGGER_SWO
endif
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