Add serial and Arduino file

barcode_server/webserver.py

@@ -1,3 +1,4 @@
+import serial
 import asyncio
 import logging
 from typing import Dict
@@ -13,6 +14,7 @@ from barcode_server.const import *
 from barcode_server.notifier import BarcodeNotifier
 from barcode_server.notifier.http import HttpNotifier
 from barcode_server.notifier.mqtt import MQTTNotifier
+from barcode_server.notifier.serial import SerialNotifier
 from barcode_server.notifier.ws import WebsocketNotifier
 from barcode_server.stats import REST_TIME_DEVICES, WEBSOCKET_CLIENT_COUNT
 from barcode_server.util import input_device_to_dict
@@ -33,6 +35,8 @@ class Webserver:
         self.barcode_reader = barcode_reader
         self.barcode_reader.add_listener(self.on_barcode)
 
+        self.usb = {}
+
         self.notifiers: Dict[str, BarcodeNotifier] = {}
         if config.HTTP_URL.value is not None:
             http_notifier = HttpNotifier(
@@ -54,6 +58,11 @@ class Webserver:
             )
             self.notifiers["mqtt"] = mqtt_notifier
 
+        if config.SERIAL_PATH.value is not None:
+            self.usb = serial.Serial(config.SERIAL_PATH.value, 9600, timeout=2)
+            serial_notifier = SerialNotifier(config.SERIAL_PATH.value, self.usb)
+            self.notifiers["serial"] = serial_notifier
+
     async def start(self):
         # start detecting and reading barcode scanners
         await self.barcode_reader.start()