Less deghosting to save battery

Author: OSi (Ondrej Sienczak)

esp32/micropython.bin

@@ -26,7 +26,10 @@ def repaint_welcome(self):
 
     def repaint_forecast(self, volt):
         if self.connection is not None:
-            with self.Drawing("weather", self):
+            forecast = self.forecast
+            dt = forecast.time.get_date_time(forecast.weather.dt)
+            hour = dt[3]
+            with self.Drawing("weather", self, hour == 3):
                 # We have forecast, so lets draw it on screen. Don't draw
                 # always everything as forecast is changing not so often,
                 # but temperature is.

simulator/ui/acep/main.py

@@ -137,9 +137,10 @@ def forecast_blocks(self):
             x2 += block
 
     class Drawing:
-        def __init__(self, name, epd):
+        def __init__(self, name, epd, deghost=True):
             self.name = name
             self.epd = epd
+            self.deghost = deghost
 
         def __enter__(self):
             logger.info(f"Drawing {self.name} ...")
@@ -149,7 +150,7 @@ def __enter__(self):
         def __exit__(self, *args):
             logger.info(f"Flushing {self.name} ...")
             self.epd.led.mode(self.epd.led.FLUSHING)
-            self.epd.canvas.flush()
+            self.epd.canvas.flush(self.deghost)
 
 
 def with_forecast(fn):