Add Arduino rewrite of firmware

firmware/Makefile

@@ -1,23 +1,21 @@
-NAME=esp8266-1m-20210618-v1.16.bin
+SKETCH_FOLDER := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+UPLOAD_PORT ?= /dev/ttyUSB0
 
-flash:
-	wget -c http://micropython.org/resources/firmware/${NAME}
-	esptool.py -p /dev/ttyUSB0 write_flash --flash_size=1MB 0 ${NAME}
+all: $(SKETCH_FOLDER)/build/firmware.ino.bin
 
-erase:
-	esptool.py -p /dev/ttyUSB0 erase_flash
+$(SKETCH_FOLDER)/cities.h: cities.py
+	python3 cities.py > $(SKETCH_FOLDER)/cities.h
 
-upload:
-	ampy -p /dev/ttyUSB0 put picoweb.py
-	ampy -p /dev/ttyUSB0 put timezone.py
-	ampy -p /dev/ttyUSB0 put main.py
+$(SKETCH_FOLDER)/build/firmware.ino.bin: $(SKETCH_FOLDER)/firmware.ino $(SKETCH_FOLDER)/cities.h
+	arduino-cli compile -e -b esp8266:esp8266:generic $(SKETCH_FOLDER)
+
+deps:
+	arduino-cli core install \
+	--additional-urls=http://arduino.esp8266.com/stable/package_esp8266com_index.json esp8266:esp8266
+	arduino-cli lib install wifimanager ESP8266TimerInterrupt ezTime
+
+flash: $(SKETCH_FOLDER)/firmware.ino.bin
+	arduino-cli upload -b esp8266:esp8266:generic -p $(UPLOAD_PORT) $(SKETCH_FOLDER)
 
 console:
-	echo "Ctrl-A + Ctrl-Q to close Picocom"
-	picocom -b115200 /dev/ttyUSB0
-
-clone_read:
-	esptool.py -p /dev/ttyUSB0  read_flash 0 0x100000 clone.bin
-
-clone_write:
-	esptool.py -p /dev/ttyUSB0 write_flash --flash_size=1MB 0 clone.bin
+	picocom -b 9600 $(UPLOAD_PORT)