Merge pull request #828 from mathoudebine/dev/allow-disable-reset-by-config

Author: mathoudebine

config.yaml

@@ -69,3 +69,9 @@ display:
   # Set to true to reverse display orientation (landscape <-> reverse landscape, portrait <-> reverse portrait)
   # Note: Display basic orientation (portrait or landscape) is defined by the theme you have selected
   DISPLAY_REVERSE: false
+
+  # Reset display on startup: true/false
+  # By default, this program resets the display on startup, in case it is in a degraded state from previous runs.
+  # This behavior causes the display to disconnect/reconnect, and the COM port to change.
+  # On some displays (like rev. A) it can be an issue, in this case change the value to "false".
+  RESET_ON_STARTUP: true

library/display.py

@@ -90,7 +90,11 @@ def __init__(self):
 
     def initialize_display(self):
         # Reset screen in case it was in an unstable state (screen is also cleared)
-        self.lcd.Reset()
+        # Can be disabled by config. option
+        if config.CONFIG_DATA["display"].get("RESET_ON_STARTUP", False):
+            self.lcd.Reset()
+        else:
+            logger.debug("RESET_ON_STARTUP is false: display will not be reset")
 
         # Send initialization commands
         self.lcd.InitializeComm()