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157
Makefile
Executable file
157
Makefile
Executable file
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# Makefile based on https://github.com/esp8266/source-code-examples/blob/master/example.Makefile
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# C++ adjustment: https://gist.github.com/jcmvbkbc/795b51494aea52bf2d1e
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# adjust the PATH variable [needed e.g. for esptool.py
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export PATH := /apps/esp/esp-open-sdk/xtensa-lx106-elf/bin:$(PATH)
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ROOT = /apps/esp/esp-open-sdk/sdk
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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 ?= /apps/esp/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 ?= /apps/esp/esp-open-sdk/sdk
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# esptool.py path and port
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ESPTOOL ?= esptool.py
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ESPPORT ?= /dev/ttyUSB3
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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
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EXTRA_INCDIR = include $(ROOT)/include/ $(ROOT)/driver_lib/include/ ../../MilesTag/src
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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 wpa wpa2 crypto main
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#LIBS = c gcc pp phy net80211 lwip wpa main
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LIBS = c gcc hal phy pp net80211 lwip wpa main wps crypto
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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
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CFLAGS = -Os -Wpointer-arith -Wall -Wextra -Wundef -Werror=return-type -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH
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CXXFLAGS = $(CFLAGS) -fno-rtti -fno-exceptions -std=c++11
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# linker flags used to generate the main object file
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LDFLAGS = -nostdlib -Wl,--no-check-sections -Wl,--gc-sections -u call_user_start -Wl,-static
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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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LD_SCRIPT = eagle.app.v6.modified.ld
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#http://www.esp8266.com/viewtopic.php?f=9&t=478&start=8
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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 examples/driver_lib/include/driver
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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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CXX := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-g++
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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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C_OBJ := $(patsubst %.c,%.o,$(SRC))
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CXX_OBJ := $(patsubst %.cpp,%.o,$(C_OBJ))
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OBJ := $(patsubst %.o,$(BUILD_BASE)/%.o,$(CXX_OBJ))
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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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vpath %.cpp $(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 $$@
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$1/%.o: $(wildcard **/*.cpp)
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$(vecho) "C+ $$<"
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$(Q) $(CXX) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CXXFLAGS) -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)/ $(TARGET_OUT)
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$(Q) echo ""
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$(Q) echo "final firmware:"
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$(Q) ls -l firmware/*.bin
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$(Q) xtensa-lx106-elf-size --format=sysv $(TARGET_OUT)
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$(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 $@ $^
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$(Q) echo ""
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$(Q) echo "custom code size:"
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$(Q) ls -l build/app_app.a
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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) write_flash $(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) $(BUILD_BASE)
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# note: each new ESP2866 has to be initialized once!
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# the memory addresses for those files, depend on the flash size
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# below it is configured for 32mbit flash [4096kb]
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# see: https://espressif.com/en/support/explore/get-started/esp8266/getting-started-guidek
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init:
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$(ESPTOOL) --port $(ESPPORT) write_flash 0x3FC000 $(ROOT)/bin/esp_init_data_default.bin 0x3FE000 $(ROOT)/bin/blank.bin
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$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))
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