Merge pull request #2 from makermelissa/master

Created an example that uses displayio

Author: makermelissa

examples/ili9341_simpletest.py

@@ -0,0 +1,38 @@
+"""
+This test will initialize the display using displayio
+and draw a solid red background
+"""
+
+import board
+import displayio
+import adafruit_ili9341
+
+spi = board.SPI()
+tft_cs = board.D9
+tft_dc = board.D10
+
+displayio.release_displays()
+display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+
+display = adafruit_ili9341.ILI9341(display_bus)
+
+# Make the display context
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+color_bitmap = displayio.Bitmap(320, 240, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0xFF0000
+
+try:
+    bg_sprite = displayio.TileGrid(color_bitmap,
+                                   pixel_shader=color_palette,
+                                   position=(0, 0))
+except TypeError:
+    bg_sprite = displayio.TileGrid(color_bitmap,
+                                   pixel_shader=color_palette,
+                                   x=0, y=0)
+splash.append(bg_sprite)
+
+while True:
+    pass