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# ---------------------------------------
# Common make definition for all examples
# ---------------------------------------
#-------------- TOP and CURRENT_PATH ------------
# Set TOP to be the path to get from the current directory (where make was invoked) to the top of the tree.
# $(lastword $(MAKEFILE_LIST)) returns the name of this makefile relative to where make was invoked.
THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
# strip off /examples/build_system/make to get for example ../../..
# and Set TOP to an absolute path
TOP = $(abspath $(subst make.mk,../../..,$(THIS_MAKEFILE)))
# Set CURRENT_PATH to the relative path from TOP to the current directory, ie examples/device/cdc_msc_freertos
CURRENT_PATH = $(subst $(TOP)/,,$(abspath .))
# Detect whether shell style is windows or not
# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
ifeq '$(findstring ;,$(PATH))' ';'
# PATH contains semicolon - so we're definitely on Windows.
CMDEXE := 1
# makefile shell commands should use syntax for DOS CMD, not unix sh
# Force DOS command shell on Windows.
SHELL := cmd.exe
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, ($2))))
# Build directory
BUILD := _build/$(BOARD)
PROJECT := $(notdir $(CURDIR))
BIN := $(TOP)/_bin/$(BOARD)/$(notdir $(CURDIR))
#-------------- Select the board to build for. ------------
# Board without family
ifneq ($(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
#-------------- Toolchain ------------
# Supported toolchain: gcc, iar
TOOLCHAIN ?= gcc
# Can be set by board, default to ARM GCC
CROSS_COMPILE ?= arm-none-eabi-
ifeq ($(TOOLCHAIN),iar)
CC := iccarm
USE_IAR = 1
endif
ifeq ($(CMDEXE),1)
CP = copy
RM = del
MKDIR = mkdir
PYTHON = python
else
CP = cp
RM = rm
MKDIR = mkdir
PYTHON = python3
endif
#-------------- Source files and compiler flags --------------
# tinyusb makefile
include $(TOP)/src/tinyusb.mk
SRC_C += $(TINYUSB_SRC_C)
# 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) \
$(TOP)/src \
BOARD_UPPER = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$(subst -,_,$(BOARD))))))))))))))))))))))))))))
CFLAGS += -DBOARD_$(BOARD_UPPER)
# use max3421 as host controller
ifeq (${MAX3421_HOST},1)
SRC_C += src/portable/analog/max3421/hcd_max3421.c
CFLAGS += -DCFG_TUH_MAX3421=1
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
# CPU specific flags
ifdef CPU_CORE
include ${TOP}/examples/build_system/make/cpu/$(CPU_CORE).mk
endif
# toolchain specific
include ${TOP}/examples/build_system/make/toolchain/arm_$(TOOLCHAIN).mk
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