fix stuff

src/controller.py

@@ -1,4 +1,3 @@
-import subprocess
 import paho.mqtt.client as mqtt
 
 import time
@@ -8,7 +7,7 @@ from adafruit_ht16k33 import segments
 
 __TOPIC_BRIGHTNESS__ = "brightness"
 __TOPIC_SCROLL_INTERVAL__ = "scroll_interval"
-__TOPIC_TEXT__ = ""
+__TOPIC_TEXT__ = "text"
 
 class Controller:
     connected = False
@@ -40,6 +39,8 @@ class Controller:
       self.mqtt.connect(mqtt_host, mqtt_port)
       self.topic = base_topic
 
+      self.display.print("ABCD")
+
 
     def on_disconnect(self, client, userdata, rc):
         print("MQTT disconnected")
@@ -74,7 +75,6 @@ class Controller:
           self.mqtt.publish(self.topic + "/" + __TOPIC_TEXT__, self.text, 1 )
 
 
-
     def on_connect(self, client, userdata, flags, rc):
         print("Connected to MQTT Broker")
         self.mqtt.subscribe(self.topic + "/#")
@@ -88,9 +88,9 @@ class Controller:
           self.mqtt.loop()
 
           if self.display is not None:
-            self.display.print(self.text[self.poscount])
+            ##display.print(self.text[self.poscount])
+            display.print(42)
             self.poscount += 1
             self.poscount %= len(self.text)
             time.sleep(self.scroll_interval)
 
-