Add Arduino UNO Wifi board

Both serial and OTA upload methods

OTA upload uses the ESP8266 method with a custom upload tool (https://github.com/arduino/arduinoOTA)

boards.txt

@@ -1021,3 +1021,31 @@ one.build.extra_flags={build.usb_flags}
 
 ##############################################################
 
+unowifi.name=Arduino Uno WiFi
+unowifi.vid.0=0x2A03
+unowifi.pid.0=0x0057
+
+unowifi.upload.tool=avrdude
+unowifi.upload.protocol=arduino
+unowifi.upload.maximum_size=32256
+unowifi.upload.maximum_data_size=2048
+unowifi.upload.speed=115200
+unowifi.upload.network.endpoint_upload=/pgm/upload
+unowifi.upload.network.endpoint_sync=/pgm/sync
+unowifi.upload.network.sync_return=204:SYNC
+unowifi.upload.network.endpoint_reset=/log/reset
+unowifi.upload.network.port=80
+
+unowifi.bootloader.tool=avrdude
+unowifi.bootloader.low_fuses=0xFF
+unowifi.bootloader.high_fuses=0xDE
+unowifi.bootloader.extended_fuses=0x05
+unowifi.bootloader.unlock_bits=0x3F
+unowifi.bootloader.lock_bits=0x0F
+unowifi.bootloader.file=optiboot/optiboot_atmega328.hex
+
+unowifi.build.mcu=atmega328p
+unowifi.build.f_cpu=16000000L
+unowifi.build.board=AVR_UNO_WIFI
+unowifi.build.core=arduino
+unowifi.build.variant=standard

platform.txt

@@ -95,6 +95,8 @@ tools.avrdude.path={runtime.tools.avrdude.path}
 tools.avrdude.cmd.path={path}/bin/avrdude
 tools.avrdude.config.path={path}/etc/avrdude.conf
 
+tools.avrdude.network_cmd={runtime.tools.arduinoota.path}/bin/arduinoota
+
 tools.avrdude.upload.params.verbose=-v
 tools.avrdude.upload.params.quiet=-q -q
 # tools.avrdude.upload.verify is needed for backwards compatibility with IDE 1.6.8 or older, IDE 1.6.9 or newer overrides this value
@@ -119,8 +121,10 @@ tools.avrdude.bootloader.pattern="{cmd.path}" "-C{config.path}" {bootloader.verb
 
 tools.avrdude_remote.upload.pattern=/usr/bin/run-avrdude /tmp/sketch.hex {upload.verbose} -p{build.mcu}
 
+tools.avrdude.upload.network_pattern={network_cmd} -address {serial.port} -port {upload.network.port} -sketch "{build.path}/{build.project_name}.hex" -upload {upload.network.endpoint_upload} -sync {upload.network.endpoint_sync} -reset {upload.network.endpoint_reset} -sync_exp {upload.network.sync_return}
+
 # USB Default Flags
 # Default blank usb manufacturer will be filled in at compile time
 # - from numeric vendor ID, set to Unknown otherwise
 build.usb_manufacturer="Unknown"
-build.usb_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} '-DUSB_MANUFACTURER={build.usb_manufacturer}' '-DUSB_PRODUCT={build.usb_product}'
+build.usb_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} '-DUSB_MANUFACTURER={build.usb_manufacturer}' '-DUSB_PRODUCT={build.usb_product}'