Process zmq connection while resetting to ensure first line is displayed

Bristol-Braille · Feb 12, 2024 · ea15e4e · ea15e4e
1 parent 7dbc23e
commit ea15e4e
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/ui/driver/driver_pi.py b/ui/driver/driver_pi.py
@@ -163,13 +163,14 @@ def send_data(self, cmd, data=[]):
 
             self.HDLC.sendFrame(payload)
 
+            if cmd == comms.CMD_RESET and not hasattr(self, 'context'):
+                # defer this 'til after the initial reset is sent as it slows startup
+                import zmq
+                self.context = zmq.Context()
+                self.socket = self.context.socket(zmq.PUB)
+                self.socket.bind('tcp://*:%s' % LINE_PUBLISHING_PORT)
+
     def _publish_line(self, row, content):
-        if not hasattr(self, 'context'):
-            # defer this 'til needed as it slows startup
-            import zmq
-            self.context = zmq.Context()
-            self.socket = self.context.socket(zmq.PUB)
-            self.socket.bind('tcp://*:%s' % LINE_PUBLISHING_PORT)
         brl = ''.join([braille.pin_num_to_unicode(ch) for ch in content])
         brf = ''.join(braille.pin_nums_to_alphas(content))
         self.socket.send_pyobj(