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# ---------------------------------------
# Common make definition for all examples
# ---------------------------------------
#-------------- Select the board to build for. ------------
BOARD_LIST = $(sort $(subst /.,,$(subst $(TOP)/hw/bsp/,,$(wildcard $(TOP)/hw/bsp/*/.))))
ifeq ($(filter $(BOARD),$(BOARD_LIST)),)
$(info You must provide a BOARD parameter with 'BOARD=', supported boards are:)
$(foreach b,$(BOARD_LIST),$(info - $(b)))
$(error Invalid BOARD specified)
endif
# 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, ($2))))
# Build directory
BUILD = _build/build-$(BOARD)
# Board specific define
include $(TOP)/hw/bsp/$(BOARD)/board.mk
#-------------- Cross Compiler ------------
# Can be set by board, default to ARM GCC
CROSS_COMPILE ?= arm-none-eabi-
CC = $(CROSS_COMPILE)gcc
CXX = $(CROSS_COMPILE)g++
OBJCOPY = $(CROSS_COMPILE)objcopy
SIZE = $(CROSS_COMPILE)size
MKDIR = mkdir
SED = sed
CP = cp
RM = rm
#-------------- Source files and compiler flags --------------
# Include all source C in board folder
SRC_C += hw/bsp/board.c
SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/hw/bsp/$(BOARD)/*.c))
# Compiler Flags
CFLAGS += \
-fdata-sections \
-ffunction-sections \
-fsingle-precision-constant \
-fno-strict-aliasing \
-Wdouble-promotion \
-Wstrict-prototypes \
-Wall \
-Wextra \
-Werror \
-Wfatal-errors \
-Werror-implicit-function-declaration \
-Wfloat-equal \
-Wundef \
-Wshadow \
-Wwrite-strings \
-Wsign-compare \
-Wmissing-format-attribute \
-Wunreachable-code \
-Wcast-align
# Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -Og -ggdb
else
CFLAGS += -Os
endif
# Log level is mapped to TUSB DEBUG option
ifneq ($(LOG),)
CFLAGS += -DCFG_TUSB_DEBUG=$(LOG)
endif
# Logger: default is uart, can be set to rtt or swo
ifeq ($(LOGGER),rtt)
RTT_SRC = lib/SEGGER_RTT
CFLAGS += -DLOGGER_RTT -DSEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
INC += $(TOP)/$(RTT_SRC)/RTT
SRC_C += $(RTT_SRC)/RTT/SEGGER_RTT_printf.c
SRC_C += $(RTT_SRC)/RTT/SEGGER_RTT.c
else ifeq ($(LOGGER),swo)
CFLAGS += -DLOGGER_SWO
endif
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