See changelog

README.rst

@@ -54,6 +54,10 @@ This library provides full control of the Hottop roaster. Built-in callback func
 
 Changelog
 ---------
+2017-02-24
+~~~~~~~~~~
+* Change: Added logic to add event code to find a valid configuration before saving
+
 2017-02-10
 ~~~~~~~~~~
 * Change: Added logic to turning point logic to avoid setting too soon

pyhottop/pyhottop.py

@@ -673,8 +673,26 @@ def add_roast_event(self, event):
         :type event: dict
         :returns: dict
         """
-        event.update({'time': self.get_roast_time(),
-                      'config': self.get_roast_properties()['last']})
+        event_time = self.get_roast_time()
+
+        def get_valid_config():
+            """Keep grabbing configs until we have a valid one.
+
+            In rare cases, the configuration will be invalid when the user
+            registers an event. This malformation can occur across several
+            events, so we use this helper to find a valid config to associate
+            to the event while preserving the original time. Due to fast
+            interval checking, this is not liable to skew data that much and
+            it's better than extreme false data.
+            """
+            config = self.get_roast_properties()['last']
+            if not config['valid']:
+                self._log.debug("Invalid config at event time, retrying...")
+                self.get_valid_config()
+            return config
+
+        event.update({'time': event_time,
+                      'config': get_valid_config()})
         self._roast['events'].append(event)
         return self.get_roast_properties()
 

setup.py

@@ -8,7 +8,7 @@ def read(fname):
 
 setup(
     name='pyhottop',
-    version='0.2.1',
+    version='0.2.2',
     description='Interface for interacting with Hottop KN-8828b-2k+ roasters',
     url="https://github.com/splitkeycoffee/pyhottop",
     author="Brandon Dixon",

source/changelog.rst

@@ -2,6 +2,10 @@ Changelog
 =========
 Running list of changes to the library.
 
+2017-02-24
+~~~~~~~~~~
+* Change: Added logic to add event code to find a valid configuration before saving
+
 2017-02-10
 ~~~~~~~~~~
 * Change: Added logic to turning point logic to avoid setting too soon