added note on callbacks

2020-04-23 19:15:02 +00:00
parent fedd5fc4a6
commit ab9fe9178e
1 changed files with 2 additions and 0 deletions
@@ -13,6 +13,7 @@ class PVChecker:
        self.vmax = vmax
        self.wait_time = wait_time
        self.required_fraction = required_fraction
+
        self.data = []


@@ -39,6 +40,7 @@ class PVChecker:
        def on_value_change(value=None, **kwargs):
            self.data.append(value)

+        #TODO: don't add callback twice!?
        self.pv.add_callback(callback=on_value_change)