#You can build this example in three ways: # 'separate' - Separate espfs and binaries, no OTA upgrade # 'combined' - Combined firmware blob, no OTA upgrade # 'ota' - Combined firmware blob with OTA upgrades. #Please do a 'make clean' after changing this. #OUTPUT_TYPE=separate OUTPUT_TYPE=combined #OUTPUT_TYPE=ota #SPI flash size, in K ESP_SPI_FLASH_SIZE_K=1024 #0: QIO, 1: QOUT, 2: DIO, 3: DOUT ESP_FLASH_MODE=0 #0: 40MHz, 1: 26MHz, 2: 20MHz, 0xf: 80MHz ESP_FLASH_FREQ_DIV=0 GZIP_COMPRESSION=yes USE_HEATSHRINK=yes ifeq ("$(OUTPUT_TYPE)","separate") #In case of separate ESPFS and binaries, set the pos and length of the ESPFS here. ESPFS_POS = 0x18000 ESPFS_SIZE = 0x28000 endif # Output directors to store intermediate compiled files # relative to the project directory BUILD_BASE = build FW_BASE = firmware # Base directory for the compiler. Needs a / at the end; if not set it'll use the tools that are in # the PATH. XTENSA_TOOLS_ROOT ?= # base directory of the ESP8266 SDK package, absolute SDK_BASE ?= ./esp_iot_sdk_v1.5.2 # Opensdk patches stdint.h when compiled with an internal SDK. If you run into compile problems pertaining to # redefinition of int types, try setting this to 'yes'. USE_OPENSDK?=yes #Esptool.py path and port ESPTOOL ?= esptool.py ESPPORT ?= /dev/ttyUSBblack #ESPDELAY indicates seconds to wait between flashing the two binary images ESPDELAY ?= 3 ESPBAUD ?= 115200 #Appgen path and name APPGEN ?= $(SDK_BASE)/tools/gen_appbin.py # name for the target project TARGET = httpd # which modules (subdirectories) of the project to include in compiling MODULES = user sbmp EXTRA_INCDIR = include libesphttpd/include sbmp # libraries used in this project, mainly provided by the SDK LIBS = c gcc hal phy pp net80211 wpa main lwip crypto #Add in esphttpd lib LIBS += esphttpd # compiler flags using during compilation of source files CFLAGS = -Os -ggdb -std=gnu99 -Werror -Wpointer-arith -Wundef -Wall -Wl,-EL -fno-inline-functions \ -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH \ -Wno-address -ffunction-sections # linker flags used to generate the main object file LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static -Wl,--gc-sections # various paths from the SDK used in this project SDK_LIBDIR = lib SDK_LDDIR = ld SDK_INCDIR = include include/json # 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 OBJCOPY := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-objcopy #Additional (maybe generated) ld scripts to link in EXTRA_LD_SCRIPTS:= #### #### 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)) ASMSRC = $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.S)) OBJ = $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC)) OBJ += $(patsubst %.S,$(BUILD_BASE)/%.o,$(ASMSRC)) APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a) V ?= $(VERBOSE) ifeq ("$(V)","1") Q := vecho := @true else Q := @ vecho := @echo endif ifeq ("$(USE_OPENSDK)","yes") CFLAGS += -DUSE_OPENSDK else CFLAGS += -D_STDINT_H endif ifeq ("$(GZIP_COMPRESSION)","yes") CFLAGS += -DGZIP_COMPRESSION endif ifeq ("$(USE_HEATSHRINK)","yes") CFLAGS += -DESPFS_HEATSHRINK endif ifeq ("$(ESPFS_POS)","") #No hardcoded espfs position: link it in with the binaries. LIBS += webpages-espfs else #Hardcoded espfs location: Pass espfs position to rest of code CFLAGS += -DESPFS_POS=$(ESPFS_POS) -DESPFS_SIZE=$(ESPFS_SIZE) endif ifeq ("$(OUTPUT_TYPE)","ota") CFLAGS += -DOTA_FLASH_SIZE_K=$(ESP_SPI_FLASH_SIZE_K) endif #Define default target. If not defined here the one in the included Makefile is used as the default one. default-tgt: all define maplookup $(patsubst $(strip $(1)):%,%,$(filter $(strip $(1)):%,$(2))) endef #Include options and target specific to the OUTPUT_TYPE include Makefile.$(OUTPUT_TYPE) #Add all prefixes to paths LIBS := $(addprefix -l,$(LIBS)) ifeq ("$(LD_SCRIPT_USR1)", "") LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT)) else LD_SCRIPT_USR1 := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT_USR1)) LD_SCRIPT_USR2 := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT_USR2)) endif INCDIR := $(addprefix -I,$(SRC_DIR)) EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR)) MODULE_INCDIR := $(addsuffix /include,$(INCDIR)) ESP_FLASH_SIZE_IX=$(call maplookup,$(ESP_SPI_FLASH_SIZE_K),512:0 1024:2 2048:5 4096:6) ESPTOOL_FREQ=$(call maplookup,$(ESP_FLASH_FREQ_DIV),0:40m 1:26m 2:20m 0xf:80m) ESPTOOL_MODE=$(call maplookup,$(ESP_FLASH_MODE),0:qio 1:qout 2:dio 3:dout) ESPTOOL_SIZE=$(call maplookup,$(ESP_SPI_FLASH_SIZE_K),512:4m 256:2m 1024:8m 2048:16m 4096:32m) ESPTOOL_OPTS=--port $(ESPPORT) --baud $(ESPBAUD) ESPTOOL_FLASHDEF=--flash_freq $(ESPTOOL_FREQ) --flash_mode $(ESPTOOL_MODE) --flash_size $(ESPTOOL_SIZE) vpath %.c $(SRC_DIR) vpath %.S $(SRC_DIR) define compile-objects $1/%.o: %.c $(vecho) "CC $$<" $(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@ $1/%.o: %.S $(vecho) "CC $$<" $(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@ endef .PHONY: all checkdirs clean libesphttpd default-tgt all: checkdirs htmlbuild $(TARGET_OUT) $(FW_BASE) $(Q) echo -e "\nBuild OK.\n" # libesphttpd/Makefile: # $(Q) echo "No libesphttpd submodule found. Using git to fetch it..." # $(Q) git submodule init # $(Q) git submodule update htmlbuild: $(vecho) "Building HTML..." $(Q) ./html_build.sh libesphttpd: libesphttpd/Makefile $(Q) make -C libesphttpd USE_OPENSDK=$(USE_OPENSDK) $(APP_AR): libesphttpd $(OBJ) $(vecho) "AR $@" $(Q) $(AR) cru $@ $(OBJ) checkdirs: $(BUILD_DIR) $(BUILD_DIR): $(Q) mkdir -p $@ clean: $(Q) make -C libesphttpd clean $(Q) rm -f $(APP_AR) $(Q) rm -f $(TARGET_OUT) $(Q) find $(BUILD_BASE) -type f | xargs rm -f $(Q) rm -rf $(FW_BASE) $(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))