Merge pull request #19 from jake1164/splash

Added splash screen

src/code.py

@@ -20,6 +20,7 @@
 from weather.weather_factory import Factory
 from weather.weather_display import WeatherDisplay
 
+icon_spritesheet = "/images/weather-icons.bmp"
 time_format_flag = 0 # 12 or 24 (0 or 1) hour display.
 bit_depth_value = 1
 base_width = 64
@@ -52,14 +53,32 @@
 # Associate the RGB matrix with a Display so that we can use displayio features
 display = framebufferio.FramebufferDisplay(matrix, auto_refresh=True)
 
-network = WifiNetwork() # TODO: catch exception and do something meaninful with it.
+#display a splash screen to hide the random text that appears.
+icons = displayio.OnDiskBitmap(open(icon_spritesheet, "rb"))
+splash = displayio.Group()
+splash.x = 24
+splash.y = 8
+bg = displayio.TileGrid(
+    icons,
+    pixel_shader=getattr(icons, 'pixel_shader', displayio.ColorConverter()),
+    tile_width=16,
+    tile_height=16
+)
+splash.append(bg)
+display.show(splash)
 
+try:
+    network = WifiNetwork() # TODO: catch exception and do something meaninful with it.
+except Exception as e:
+    print('Network exception?', e)
+
 datetime = DateTimeProcessing(time_format_flag, network)
 showSystem = DisplaySubsystem(display, datetime)
 light_sensor = LightSensor(display)
 key_input = KeyProcessing(light_sensor, datetime)
 
-weather_display = WeatherDisplay(display)
+weather_display = WeatherDisplay(display, icons)
+
 try:
     if os.getenv('TEMPEST_ENABLE'):
         weather = Factory('TEMPEST', weather_display, datetime, network)

src/weather/weather_display.py

@@ -7,10 +7,9 @@
 #from adafruit_display_shapes.circle import Circle
 
 class WeatherDisplay(displayio.Group):
-    def __init__(self, display) -> None:
+    def __init__(self, display, icons) -> None:
         super().__init__()
         self._display = display
-        icon_spritesheet = "/images/weather-icons.bmp"
         small_font = "/fonts/helvB12.bdf"
         glyphs = b"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-,.: "
         self._current_label = None #index of current label
@@ -21,10 +20,9 @@ def __init__(self, display) -> None:
         self._small_font.load_glyphs(glyphs)
         self._small_font.load_glyphs(("°",))
 
-        icons = displayio.OnDiskBitmap(open(icon_spritesheet, "rb"))
         icon_width = 16
         icon_height = 16
-        
+
         self.scroll_delay = 0.03
         self._current_icon = None
         self._scroll_array = []