esp8266-arduino.mk

TARGET=$(notdir $(shell pwd))


ARDUINO_DIR ?= /opt/arduino-1.6.7
ARDUINO_BUILDER ?= $(ARDUINO_DIR)/arduino-builder
ARDUINO_HARDWARE ?= $(ARDUINO_DIR)/hardware
MKSPIFFS ?= $(ARDUINO_DIR)/hardware/esp8266com/esp8266/tools/mkspiffs/mkspiffs
ESPOTA_PY ?= $(ARDUINO_DIR)/hardware/esp8266com/esp8266/tools/espota.py
PYTHON ?= python2
ESPTOOL ?= $(shell which esptool)
ESPTOOL_RESET ?= nodemcu
APP_BAUD ?= 115200
SERIAL_PORT ?= /dev/ttyUSB0


ESP_PORT ?= 8266

# ESPTOOL_BAUD?=57600
ESPTOOL_BAUD?=115200
# ESPTOOL_BAUD?=230400
# ESPTOOL_BAUD?=460800

# 1M flash configuration
# FLASH_SIZE=1M160
# SPIFFS_PAGE=256
# SPIFFS_BLOCK=4096
# SPIFFS_SIZE=

# 2M flash configuration
FLASH_SIZE=2M
SPIFFS_PAGE=256
SPIFFS_BLOCK=8192
SPIFFS_SIZE=1028096

ARDUINO_FQBN="esp8266com:esp8266:generic:UploadTool=esptool,CpuFrequency=80,FlashFreq=40,FlashMode=qio,UploadSpeed=115200,FlashSize=$(FLASH_SIZE)"

.PHONY: clean all upload upload_fs upload_bin upload_py

BUILD_PATH=$(shell realpath build)

SPIFFS_PATH=build/spiffs

OBJDUMP?=xtensa-lx106-elf-objdump

all: build/$(TARGET).ino.bin

build/$(TARGET).ino.bin:
	mkdir -p build
	$(ARDUINO_BUILDER) -compile -debug-level=1 \
		-hardware=$(ARDUINO_HARDWARE) \
		-tools=$(ARDUINO_DIR)/tools-builder \
		-tools=$(ARDUINO_HARDWARE)/tools/avr \
		-built-in-libraries=$(ARDUINO_DIR)/libraries \
		-fqbn=$(ARDUINO_FQBN) \
		-build-path=$(BUILD_PATH) \
		$(TARGET).ino
	$(OBJDUMP) -S build/$(TARGET).ino.elf > build/$(TARGET).ino.elf.txt

clean:
	-rm -rf build

upload_bin: build/$(TARGET).ino.bin
	$(ESPTOOL) -vv -cd $(ESPTOOL_RESET) -cb $(ESPTOOL_BAUD) -cp $(SERIAL_PORT) \
		-ca 0x000000 -cf build/$(TARGET).ino.bin

upload: build/$(TARGET).ino.bin
	$(ESPTOOL) -vv -cd $(ESPTOOL_RESET) -cb $(ESPTOOL_BAUD) -cp $(SERIAL_PORT) \
		-ca 0x000000 -cf build/$(TARGET).ino.bin

ota_bin: build/$(TARGET).ino.bin
	$(PYTHON) $(ESPOTA_PY) -i $(ESP_ADDR) -p $(ESP_PORT) -f build/$(TARGET).ino.bin

# try an alternative upload method
upload_py: build/$(TARGET).ino.bin
	esptool.py --port $(SERIAL_PORT) --baud $(ESPTOOL_BAUD) write_flash \
		0x000000 build/$(TARGET).ino.bin

screen:
	screen $(SERIAL_PORT) $(APP_BAUD)
	clear