8b8f7c9de4
To keep things from changing out from under us as we slowly replace bits of the SDK libs, changing Makefiles to not auto-generate the list of symbols to rename, but always use the same list every time.
377 lines
13 KiB
Makefile
377 lines
13 KiB
Makefile
# esp-open-rtos common Makefile
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#
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# ******************************************************************
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# Run 'make help' in any example subdirectory to see a usage summary
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# (or skip to the bottom of this file!)
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#
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# For example, from the top level run:
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# make help -C examples/http_get
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# ******************************************************************
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#
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# In-depth documentation is at https://github.com/SuperHouse/esp-open-rtos/wiki/Build-Process
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#
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# Most sections Copyright 2015 Superhouse Automation Pty Ltd
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# BSD Licensed as described in the file LICENSE at top level.
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#
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# This makefile is adapted from the esp-mqtt makefile by @tuanpmt
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# https://github.com/tuanpmt/esp_mqtt, but it has changed very significantly
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# since then.
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# assume the 'root' directory (ie top of the tree) is the directory common.mk is in
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ROOT := $(dir $(lastword $(MAKEFILE_LIST)))
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# include optional local overrides at the root level, then in program directory
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#
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# Create either of these files for local system overrides if possible,
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# instead of editing this makefile directly.
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-include $(ROOT)local.mk
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-include local.mk
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# Flash size in megabits
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# Valid values are same as for esptool.py - 2,4,8,16,32
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FLASH_SIZE ?= 16
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# Flash mode, valid values are same as for esptool.py - qio,qout,dio.dout
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FLASH_MODE ?= qio
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# Flash speed in MHz, valid values are same as for esptool.py - 80, 40, 26, 20
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FLASH_SPEED ?= 40
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# Output directories to store intermediate compiled files
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# relative to the program directory
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BUILD_DIR ?= $(PROGRAM_DIR)build/
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FW_BASE ?= $(PROGRAM_DIR)firmware/
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# esptool.py from https://github.com/themadinventor/esptool
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ESPTOOL ?= esptool.py
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# serial port settings for esptool.py
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ESPPORT ?= /dev/ttyUSB0
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ESPBAUD ?= 115200
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# Set OTA to 1 to build an image that supports rBoot OTA bootloader
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#
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# Currently only works with 16mbit or more flash sizes, with 8mbit
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# images for each "slot"
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OTA ?= 0
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ifeq ($(OTA),1)
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# for OTA, we build a "SDK v1.2 bootloader" compatible image where everything is in
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# one file (should work with the v1.2 binary bootloader, and the FOSS rBoot bootloader).
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IMGTOOL ?= esptool2
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# Tell C preprocessor that we're building for OTA
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CPPFLAGS = -DOTA
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endif
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FLAVOR ?= release # or debug
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# Compiler names, etc. assume gdb
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CROSS ?= xtensa-lx106-elf-
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AR = $(CROSS)ar
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CC = $(CROSS)gcc
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CPP = $(CROSS)cpp
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LD = $(CROSS)gcc
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NM = $(CROSS)nm
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C++ = $(CROSS)g++
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SIZE = $(CROSS)size
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OBJCOPY = $(CROSS)objcopy
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OBJDUMP = $(CROSS)objdump
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# Source components to compile and link. Each of these are subdirectories
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# of the root, with a 'component.mk' file.
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COMPONENTS ?= core FreeRTOS lwip axtls $(EXTRA_COMPONENTS)
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# binary esp-iot-rtos SDK libraries to link. These are pre-processed prior to linking.
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SDK_LIBS ?= main net80211 phy pp wpa
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# open source libraries linked in
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LIBS ?= hal gcc c
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# set to 0 if you want to use the toolchain libc instead of esp-open-rtos newlib
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OWN_LIBC ?= 1
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# Note: you will need a recent esp
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ENTRY_SYMBOL ?= call_user_start
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CFLAGS = -Wall -Werror -Wl,-EL -nostdlib -mlongcalls -mtext-section-literals -std=gnu99 $(CPPFLAGS)
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LDFLAGS = -nostdlib -Wl,--no-check-sections -Wl,-L$(BUILD_DIR)sdklib -Wl,-L$(ROOT)lib -u $(ENTRY_SYMBOL) -Wl,-static -Wl,-Map=build/${PROGRAM}.map $(EXTRA_LDFLAGS)
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ifeq ($(FLAVOR),debug)
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CFLAGS += -g -O0
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LDFLAGS += -g -O0
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else
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CFLAGS += -g -O2
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LDFLAGS += -g -O2
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endif
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GITSHORTREV=\"$(shell cd $(ROOT); git rev-parse --short -q HEAD)\"
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CPPFLAGS += -DGITSHORTREV=$(GITSHORTREV) -DFLASH_SIZE=$(FLASH_SIZE)
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# Linker scripts, all found in $(ROOT)/ld
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LINKER_SCRIPTS = eagle.app.v6.ld eagle.rom.addr.v6.ld
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####
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#### no user configurable options below here
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####
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ifndef PROGRAM
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$(error "Set the PROGRAM environment variable in your Makefile before including common.mk"
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endif
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# hacky way to get a single space value
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empty :=
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space := $(empty) $(empty)
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# GNU Make lowercase function, bit of a horrorshow but works (courtesy http://stackoverflow.com/a/665045)
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lc = $(subst A,a,$(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,$1))))))))))))))))))))))))))
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# assume the program dir is the directory the top-level makefile was run in
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PROGRAM_DIR := $(dir $(firstword $(MAKEFILE_LIST)))
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# linker scripts get run through the C preprocessor
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ifeq ($(OTA),1)
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LD_DIR = $(BUILD_DIR)ld-$(FLASH_SIZE)-ota/
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else
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LD_DIR = $(BUILD_DIR)ld-$(FLASH_SIZE)/
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endif
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LINKER_SCRIPTS_PROCESSED = $(addprefix $(LD_DIR),$(LINKER_SCRIPTS))
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# derive various parts of compiler/linker arguments
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SDK_LIB_ARGS = $(addprefix -l,$(SDK_LIBS))
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LIB_ARGS = $(addprefix -l,$(LIBS))
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PROGRAM_OUT = $(BUILD_DIR)$(PROGRAM).out
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LDFLAGS += $(addprefix -T,$(LINKER_SCRIPTS_PROCESSED))
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ifeq ($(OTA),0)
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# for non-OTA, we create two different files for uploading into the flash
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# these are the names and options to generate them
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FW_ADDR_1 = 0x00000
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FW_ADDR_2 = 0x40000
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FW_FILE_1 = $(addprefix $(FW_BASE),$(FW_ADDR_1).bin)
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FW_FILE_2 = $(addprefix $(FW_BASE),$(FW_ADDR_2).bin)
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else
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# for OTA, it's a single monolithic image
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FW_FILE = $(addprefix $(FW_BASE),$(PROGRAM).bin)
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endif
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# firmware tool arguments
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ESPTOOL_ARGS=-fs $(FLASH_SIZE)m -fm $(FLASH_MODE) -ff $(FLASH_SPEED)m
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IMGTOOL_FLASH_SIZE_2=256
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IMGTOOL_FLASH_SIZE_4=512
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IMGTOOL_FLASH_SIZE_8=1024
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IMGTOOL_FLASH_SIZE_16=2048
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IMGTOOL_FLASH_SIZE_32=4096
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IMGTOOL_FLASH_SIZE=$(value IMGTOOL_FLASH_SIZE_$(FLASH_SIZE))
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IMGTOOL_ARGS=-$(IMGTOOL_FLASH_SIZE) -$(FLASH_MODE) -$(FLASH_SPEED)
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# Common include directories, shared across all "components"
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# components will add their include directories to this argument
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#
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# Placing $(PROGRAM_DIR) and $(PROGRAM_DIR)include first allows
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# programs to have their own copies of header config files for components
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# , which is useful for overriding things.
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INC_DIRS = $(PROGRAM_DIR) $(PROGRAM_DIR)include $(ROOT)include
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ifeq ($(OWN_LIBC),1)
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INC_DIRS += $(ROOT)libc/xtensa-lx106-elf/include
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LDFLAGS += -L$(ROOT)libc/xtensa-lx106-elf/lib
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endif
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ifeq ("$(V)","1")
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Q :=
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vecho := @true
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else
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Q := @
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vecho := @echo
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endif
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.PHONY: all clean debug_print
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all: $(PROGRAM_OUT) $(FW_FILE_1) $(FW_FILE_2) $(FW_FILE)
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# component_compile_rules: Produces compilation rules for a given
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# component
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#
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# Call arguments are:
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# $(1) - component name
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#
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# Expects that the following component-specific variables are defined:
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#
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# $(1)_ROOT = Top-level dir containing component. Can be in-tree or out-of-tree.
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# $(1)_SRC_DIR = List of source directories for the component. All must be under $(1)_ROOT
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# $(1)_INC_DIR = List of include directories specific for the component
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#
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# As an alternative to $(1)_SRC_DIR, you can specify source filenames
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# as $(1)_SRC_FILES. If you want to specify both directories and
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# some additional files, specify directories in $(1)_SRC_DIR and
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# additional files in $(1)_EXTRA_SRC_FILES.
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#
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# Optional variables:
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# $(1)_CFLAGS = CFLAGS to override the default CFLAGS for this component only.
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#
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# Each call appends to COMPONENT_ARS which is a list of archive files for compiled components
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COMPONENT_ARS =
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define component_compile_rules
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$(1)_OBJ_DIR = $(call lc,$(BUILD_DIR)$(1)/)
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### determine source files and object files ###
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$(1)_SRC_FILES ?= $$(foreach sdir,$$($(1)_SRC_DIR), \
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$$(wildcard $$(sdir)/*.c) $$(wildcard $$(sdir)/*.S)) \
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$$($(1)_EXTRA_SRC_FILES)
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$(1)_REAL_SRC_FILES = $$(foreach sfile,$$($(1)_SRC_FILES),$$(realpath $$(sfile)))
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$(1)_REAL_ROOT = $$(realpath $$($(1)_ROOT))
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# patsubst here substitutes real component root path for the relative OBJ_DIR path, making things short again
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$(1)_OBJ_FILES_C = $$(patsubst $$($(1)_REAL_ROOT)%.c,$$($(1)_OBJ_DIR)%.o,$$($(1)_REAL_SRC_FILES))
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$(1)_OBJ_FILES = $$(patsubst $$($(1)_REAL_ROOT)%.S,$$($(1)_OBJ_DIR)%.o,$$($(1)_OBJ_FILES_C))
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# the last included makefile is our component's component.mk makefile (rebuild the component if it changes)
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$(1)_MAKEFILE ?= $(lastword $(MAKEFILE_LIST))
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### determine compiler arguments ###
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$(1)_CFLAGS ?= $(CFLAGS)
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$(1)_CC_ARGS = $(Q) $(CC) $$(addprefix -I,$$(INC_DIRS)) $$(addprefix -I,$$($(1)_INC_DIR)) $$($(1)_CFLAGS)
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$(1)_AR = $(call lc,$(BUILD_DIR)$(1).a)
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$$($(1)_OBJ_DIR)%.o: $$($(1)_REAL_ROOT)%.c $$($(1)_MAKEFILE) $(wildcard $(ROOT)*.mk) | $$($(1)_SRC_DIR)
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$(vecho) "CC $$<"
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$(Q) mkdir -p $$(dir $$@)
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$$($(1)_CC_ARGS) -c $$< -o $$@
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$$($(1)_CC_ARGS) -MM -MT $$@ -MF $$(@:.o=.d) $$<
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$$($(1)_OBJ_DIR)%.o: $$($(1)_REAL_ROOT)%.S $$($(1)_MAKEFILE) $(wildcard $(ROOT)*.mk) | $$($(1)_SRC_DIR)
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$(vecho) "AS $$<"
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$(Q) mkdir -p $$(dir $$@)
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$$($(1)_CC_ARGS) -c $$< -o $$@
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# the component is shown to depend on both obj and source files so we get a meaningful error message
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# for missing explicitly named source files
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$$($(1)_AR): $$($(1)_OBJ_FILES) $$($(1)_SRC_FILES)
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$(vecho) "AR $$@"
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$(Q) mkdir -p $$(dir $$@)
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$(Q) $(AR) cru $$@ $$^
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COMPONENT_ARS += $$($(1)_AR)
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-include $$($(1)_OBJ_FILES:.o=.d)
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endef
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## Linking rules for SDK libraries
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## SDK libraries are preprocessed to:
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# - remove object files named in <libname>.remove
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# - prefix all defined symbols with 'sdk_'
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# - weaken all global symbols so they can be overriden from the open SDK side
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#
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# SDK binary libraries are preprocessed into build/sdklib
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SDK_PROCESSED_LIBS = $(addsuffix .a,$(addprefix $(BUILD_DIR)sdklib/lib,$(SDK_LIBS)))
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# Make rules for preprocessing each SDK library
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# hacky, but prevents confusing error messages if one of these files disappears
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$(ROOT)lib/%.remove:
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touch $@
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# Remove comment lines from <libname>.remove files
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$(BUILD_DIR)sdklib/%.remove: $(ROOT)lib/%.remove | $(BUILD_DIR)sdklib
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$(Q) grep -v "^#" $< | cat > $@
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# Stage 1: remove unwanted object files listed in <libname>.remove alongside each library
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$(BUILD_DIR)sdklib/%_stage1.a: $(ROOT)lib/%.a $(BUILD_DIR)sdklib/%.remove | $(BUILD_DIR)sdklib
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@echo "SDK processing stage 1: Removing unwanted objects from $<"
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$(Q) cat $< > $@
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$(Q) $(AR) d $@ @$(word 2,$^)
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# Stage 2: Redefine all SDK symbols as sdk_, weaken all symbols.
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$(BUILD_DIR)sdklib/%.a: $(BUILD_DIR)sdklib/%_stage1.a $(ROOT)lib/allsymbols.rename
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@echo "SDK processing stage 2: Renaming symbols in SDK library $< -> $@"
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$(Q) $(OBJCOPY) --redefine-syms $(word 2,$^) --weaken $< $@
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# include "dummy component" for the 'program' object files, defined in the Makefile
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PROGRAM_SRC_DIR ?= $(PROGRAM_DIR)
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PROGRAM_ROOT ?= $(PROGRAM_DIR)
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PROGRAM_MAKEFILE = $(firstword $(MAKEFILE_LIST))
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$(eval $(call component_compile_rules,PROGRAM))
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## Include other components (this is where the actual compiler sections are generated)
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$(foreach component,$(COMPONENTS), $(eval include $(ROOT)$(component)/component.mk))
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## Run linker scripts via C preprocessor to evaluate macros
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$(LD_DIR)%.ld: $(ROOT)ld/%.ld | $(LD_DIR)
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$(Q) $(CPP) $(CPPFLAGS) -E -C -P $< > $@
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# final linking step to produce .elf
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$(PROGRAM_OUT): $(COMPONENT_ARS) $(SDK_PROCESSED_LIBS) $(LINKER_SCRIPTS_PROCESSED)
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$(vecho) "LD $@"
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$(Q) $(LD) $(LDFLAGS) -Wl,--start-group $(LIB_ARGS) $(SDK_LIB_ARGS) $(COMPONENT_ARS) -Wl,--end-group -o $@
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$(BUILD_DIR) $(FW_BASE) $(BUILD_DIR)sdklib $(LD_DIR):
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$(Q) mkdir -p $@
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$(FW_FILE_1) $(FW_FILE_2): $(PROGRAM_OUT) $(FW_BASE)
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$(vecho) "FW $@"
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$(Q) $(ESPTOOL) elf2image $(ESPTOOL_ARGS) $< -o $(FW_BASE)
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$(FW_FILE): $(PROGRAM_OUT) $(FW_BASE)
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$(Q) $(IMGTOOL) $(IMGTOOL_ARGS) -bin -boot2 $(PROGRAM_OUT) $(FW_FILE) .text .data .rodata
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ifeq ($(OTA),0)
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flash: $(FW_FILE_1) $(FW_FILE_2)
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$(ESPTOOL) -p $(ESPPORT) --baud $(ESPBAUD) write_flash $(ESPTOOL_ARGS) $(FW_ADDR_2) $(FW_FILE_2) $(FW_ADDR_1) $(FW_FILE_1)
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else
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flash: $(FW_FILE)
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$(vecho) "Flashing OTA image slot 0 (bootloader not updated)"
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$(ESPTOOL) -p $(ESPPORT) --baud $(ESPBAUD) write_flash $(ESPTOOL_ARGS) 0x2000 $(FW_FILE)
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endif
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size: $(PROGRAM_OUT)
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$(Q) $(CROSS)size --format=sysv $(PROGRAM_OUT)
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test: flash
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screen $(ESPPORT) 115200
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# the rebuild target is written like this so it can be run in a parallel build
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# environment without causing weird side effects
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rebuild:
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$(MAKE) clean
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$(MAKE) all
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clean:
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$(Q) rm -rf $(BUILD_DIR)
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$(Q) rm -rf $(FW_BASE)
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# prevent "intermediate" files from being deleted
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.SECONDARY:
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# print some useful help stuff
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help:
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@echo "esp-open-rtos make"
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@echo ""
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@echo "Other targets:"
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@echo ""
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@echo "all"
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@echo "Default target. Will build firmware including any changed source files."
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@echo
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@echo "clean"
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@echo "Delete all build output."
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@echo ""
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@echo "rebuild"
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@echo "Build everything fresh from scratch."
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@echo ""
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@echo "flash"
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@echo "Build then upload firmware to MCU. Set ESPPORT & ESPBAUD to override port/baud rate."
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@echo ""
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@echo "test"
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@echo "'flash', then start a GNU Screen session on the same serial port to see serial output."
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@echo ""
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@echo "size"
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@echo "Build, then print a summary of built firmware size."
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@echo ""
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@echo "TIPS:"
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@echo "* You can use -jN for parallel builds. Much faster! Use 'make rebuild' instead of 'make clean all' for parallel builds."
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@echo "* You can create a local.mk file to create local overrides of variables like ESPPORT & ESPBAUD."
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@echo ""
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@echo "SAMPLE COMMAND LINE:"
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@echo "make -j2 test ESPPORT=/dev/ttyUSB0"
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@echo ""
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