From 7c63dd69d4577f1ec36006efd2d13b63afe34183 Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Sun, 11 Dec 2022 17:59:00 +0100
Subject: [PATCH] check for start/stop when running/stopped

---
 slic/core/sensor/bssensor.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/slic/core/sensor/bssensor.py b/slic/core/sensor/bssensor.py
index f8c75a3f..49413a1e 100644
--- a/slic/core/sensor/bssensor.py
+++ b/slic/core/sensor/bssensor.py
@@ -20,9 +20,15 @@ class BSSensor(Sensor):
         return self.thread.value
 
     def start(self):
+        if self.thread.use_callback.is_set():
+            print("already running")
+            return
         self.thread.enable_callback()
 
     def stop(self):
+        if not self.thread.use_callback.is_set():
+            print("not started yet")
+            return
         self.thread.disable_callback()