/
Makefile
141 lines (105 loc) · 3.99 KB
/
Makefile
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# Makefile for ESP8266 projects
#
# Thanks to:
# - zarya
# - Jeroen Domburg (Sprite_tm)
# - Christian Klippel (mamalala)
# - Tommie Gannert (tommie)
#
# Changelog:
# - 2014-10-06: Changed the variables to include the header file directory
# - 2014-10-06: Added global var for the Xtensa tool root
# - 2014-11-23: Updated for SDK 0.9.3
# - 2014-12-25: Replaced esptool by esptool.py
BUILD_AREA = $(CURDIR)/..
# Output directors to store intermediate compiled files
# relative to the project directory
BUILD_BASE = build
FW_BASE = firmware
# base directory for the compiler
XTENSA_TOOLS_ROOT ?= $(BUILD_AREA)/esp-open-sdk/xtensa-lx106-elf/bin
# # base directory of the ESP8266 SDK package, absolute
SDK_BASE ?= $(BUILD_AREA)/esp-open-sdk/sdk
# # esptool.py path and port
ESPTOOL ?= $(BUILD_AREA)/esp-open-sdk/esptool/esptool.py
ESPPORT ?= /dev/ttyUSB0
# name for the target project
TARGET = app
# which modules (subdirectories) of the project to include in compiling
MODULES = driver user
#MODULES = driver user-simple
EXTRA_INCDIR = include $(BUILD_AREA)/esp-open-sdk/esp-open-lwip/include
#EXTRA_INCDIR = include
# libraries used in this project, mainly provided by the SDK
LIBS = c gcc hal pp phy net80211 lwip_open_napt wpa main
# compiler flags using during compilation of source files
CFLAGS = -Os -g -O2 -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH -DLWIP_OPEN_SRC -DUSE_OPTIMIZE_PRINTF
# linker flags used to generate the main object file
LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static -L.
# linker script used for the above linkier step
LD_SCRIPT = eagle.app.v6.ld
# various paths from the SDK used in this project
SDK_LIBDIR = lib
SDK_LDDIR = ld
SDK_INCDIR = include include/json
# we create two different files for uploading into the flash
# these are the names and options to generate them
FW_FILE_1_ADDR = 0x00000
FW_FILE_2_ADDR = 0x10000
# select which tools to use as compiler, librarian and linker
CC := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
AR := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-ar
LD := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
####
#### no user configurable options below here
####
SRC_DIR := $(MODULES)
BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES))
SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR))
SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
LIBS := $(addprefix -l,$(LIBS))
APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a)
TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out)
LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
INCDIR := $(addprefix -I,$(SRC_DIR))
EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR))
MODULE_INCDIR := $(addsuffix /include,$(INCDIR))
FW_FILE_1 := $(addprefix $(FW_BASE)/,$(FW_FILE_1_ADDR).bin)
FW_FILE_2 := $(addprefix $(FW_BASE)/,$(FW_FILE_2_ADDR).bin)
V ?= $(VERBOSE)
ifeq ("$(V)","1")
Q :=
vecho := @true
else
Q := @
vecho := @echo
endif
vpath %.c $(SRC_DIR)
define compile-objects
$1/%.o: %.c
$(vecho) "CC $$<"
$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@
endef
.PHONY: all checkdirs flash clean
all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2)
$(FW_BASE)/%.bin: $(TARGET_OUT) | $(FW_BASE)
$(vecho) "FW $(FW_BASE)/"
$(Q) $(ESPTOOL) elf2image -o $(FW_BASE)/ $(TARGET_OUT)
$(TARGET_OUT): $(APP_AR)
$(vecho) "LD $@"
$(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@
$(APP_AR): $(OBJ)
$(vecho) "AR $@"
$(Q) $(AR) cru $@ $^
checkdirs: $(BUILD_DIR) $(FW_BASE)
$(BUILD_DIR):
$(Q) mkdir -p $@
$(FW_BASE):
$(Q) mkdir -p $@
flash: $(FW_FILE_1) $(FW_FILE_2)
sudo $(ESPTOOL) --port $(ESPPORT) write_flash $(FW_FILE_1_ADDR) $(FW_FILE_1) $(FW_FILE_2_ADDR) $(FW_FILE_2)
clean:
$(Q) rm -rf $(FW_BASE) $(BUILD_BASE)
$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))