Initial commit
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Michael Smith
143
Makefile
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143
Makefile
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# Makefile for ESP8266 projects
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#
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# Thanks to:
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# - zarya
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# - Jeroen Domburg (Sprite_tm)
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# - Christian Klippel (mamalala)
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# - Tommie Gannert (tommie)
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#
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# Changelog:
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# - 2014-10-06: Changed the variables to include the header file directory
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# - 2014-10-06: Added global var for the Xtensa tool root
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# - 2014-11-23: Updated for SDK 0.9.3
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# - 2014-12-25: Replaced esptool by esptool.py
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BUILD_AREA = /Volumes/case-sensitive/esp8266-dev
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# Output directors to store intermediate compiled files
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# relative to the project directory
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BUILD_BASE = build
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FW_BASE = firmware
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# base directory for the compiler
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XTENSA_TOOLS_ROOT ?= $(BUILD_AREA)/esp-open-sdk/xtensa-lx106-elf/bin
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# # base directory of the ESP8266 SDK package, absolute
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SDK_BASE ?= $(BUILD_AREA)/esp-open-sdk/sdk
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# # esptool.py path and port
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ESPTOOL ?= $(BUILD_AREA)/esp-open-sdk/esptool/esptool.py
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#ESPTOOL ?= /home/martin/.local/bin/esptool.py
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ESPPORT ?= /dev/tty.wchusbserial1420
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ESPTOOLBAUD ?= 115200
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ESPTOOLOPTS = -ff 40m -fm dio -fs 32m
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# name for the target project
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TARGET = app
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# which modules (subdirectories) of the project to include in compiling
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MODULES = driver user easygpio
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EXTRA_INCDIR = include $(BUILD_AREA)/esp-open-sdk/esp-open-lwip/include
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#EXTRA_INCDIR = include
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# libraries used in this project, mainly provided by the SDK
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LIBS = c gcc hal pp phy net80211 lwip_open_napt wpa main
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# compiler flags using during compilation of source files
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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
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# linker flags used to generate the main object file
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LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static -L.
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# linker script used for the above linkier step
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LD_SCRIPT = eagle.app.v6.ld
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# various paths from the SDK used in this project
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SDK_LIBDIR = lib
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SDK_LDDIR = ld
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SDK_INCDIR = include include/json
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# 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_FILE_1_ADDR = 0x00000
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FW_FILE_2_ADDR = 0x10000
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# select which tools to use as compiler, librarian and linker
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CC := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
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AR := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-ar
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LD := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
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####
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#### no user configurable options below here
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####
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SRC_DIR := $(MODULES)
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BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES))
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SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR))
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SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
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SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
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OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
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LIBS := $(addprefix -l,$(LIBS))
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APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a)
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TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out)
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LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
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INCDIR := $(addprefix -I,$(SRC_DIR))
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EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR))
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MODULE_INCDIR := $(addsuffix /include,$(INCDIR))
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FW_FILE_1 := $(addprefix $(FW_BASE)/,$(FW_FILE_1_ADDR).bin)
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FW_FILE_2 := $(addprefix $(FW_BASE)/,$(FW_FILE_2_ADDR).bin)
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V ?= $(VERBOSE)
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ifeq ("$(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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vpath %.c $(SRC_DIR)
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define compile-objects
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$1/%.o: %.c
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$(vecho) "CC $$<"
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$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@
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endef
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.PHONY: all checkdirs flash clean
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all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2)
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$(FW_BASE)/%.bin: $(TARGET_OUT) | $(FW_BASE)
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$(vecho) "FW $(FW_BASE)/"
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$(Q) $(ESPTOOL) elf2image -o $(FW_BASE)/ $(TARGET_OUT)
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$(TARGET_OUT): $(APP_AR)
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$(vecho) "LD $@"
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$(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@
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$(APP_AR): $(OBJ)
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$(vecho) "AR $@"
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$(Q) $(AR) cru $@ $^
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checkdirs: $(BUILD_DIR) $(FW_BASE)
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$(BUILD_DIR):
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$(Q) mkdir -p $@
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$(FW_BASE):
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$(Q) mkdir -p $@
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flash: $(FW_FILE_1) $(FW_FILE_2)
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$(ESPTOOL) --port $(ESPPORT) --baud $(ESPTOOLBAUD) write_flash $(ESPTOOLOPTS) $(FW_FILE_1_ADDR) $(FW_FILE_1) $(FW_FILE_2_ADDR) $(FW_FILE_2)
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clean:
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$(Q) rm -rf $(FW_BASE) $(BUILD_BASE)
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$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))
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