Fixed buffer allocation

aramcon-badge · Jun 16, 2021 · 8a3e2ad · 8a3e2ad
1 parent e424dc1
commit 8a3e2ad
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/apps/nametags/nameservice.py b/apps/nametags/nameservice.py
@@ -19,7 +19,6 @@
 
 class NameService(Service):
     uuid = StandardUUID(0xfeef)
-    _disp_rx = StreamIn(uuid=StandardUUID(0xfeee), timeout=1.0, buffer_size=8192)
 
     def __init__(self):
         super().__init__()
@@ -30,8 +29,12 @@ def __init__(self):
         self._offset = 0
         self._bufsize = 0
         self._ledstate = False
+        self._disp_rx = None
 
     def update(self):
+        if self._disp_rx is None:
+            self._disp_rx = StreamIn(uuid=StandardUUID(0xfeee), timeout=1.0, buffer_size=8192)
+
         while self._disp_rx.in_waiting > 0:
             if self._bufsize == 0:
                 value = int.from_bytes(self._disp_rx.read(1), 'little')