From 84b9ddcc2905f5d8667cfef1359b724c23d27365 Mon Sep 17 00:00:00 2001
From: xengineering <mail2xengineering@protonmail.com>
Date: Thu, 29 Oct 2020 12:11:32 +0100
Subject: Setup basic Systemd Units

---
 iot_barcode_daemon | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100755 iot_barcode_daemon

(limited to 'iot_barcode_daemon')

diff --git a/iot_barcode_daemon b/iot_barcode_daemon
new file mode 100755
index 0000000..5b08111
--- /dev/null
+++ b/iot_barcode_daemon
@@ -0,0 +1,46 @@
+#!/usr/bin/python3
+
+
+"""Executable to transmit the Barcode Data to MQTT without root Priviledges"""
+
+
+from iot_barcode.static import KEYMAP
+import iot_barcode.config as config
+from iot_barcode.mqtt import MqttService
+
+
+def main():
+    try:
+
+        # read config
+        cfg = config.get_config()
+        fifo_path = cfg["scanner"]["fifo_path"]
+        topic = cfg["mqtt"]["topic"]
+
+        # setup mqtt
+        mqtt_service = MqttService(cfg)
+        mqtt_service.run()
+
+        barcode = ""
+
+        while True:
+            with open(fifo_path, "r") as fifo:
+                keycode = fifo.read()
+            character = KEYMAP[keycode]
+            if character is "\n":
+                mqtt_service.client.publish(
+                    topic,
+                    payload=barcode,
+                    qos=0,
+                    retain=False
+                )
+                barcode = ""
+            else:
+                barcode += character
+
+    except KeyboardInterrupt:
+        pass
+
+
+if __name__ == "__main__":
+    main()
-- 
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