Merge pull request #31 from makermelissa/main

Update simpletest for newer SSD1680 display

examples/ssd1680_simpletest.py

@@ -9,10 +9,11 @@
     * https://www.adafruit.com/product/4947
   * Adafruit 2.13" Tri-Color eInk Display FeatherWing
     * https://www.adafruit.com/product/4814
+  * Adafruit 2.13" Mono eInk Display Breakout
+    * https://www.adafruit.com/product/4197
   * Adafruit 2.13" Mono eInk Display FeatherWing
     * https://www.adafruit.com/product/4195
 
-
 """
 
 import time
@@ -35,19 +36,21 @@
 display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000)
 time.sleep(1)
 
-# For issues with display not updating top/bottom rows correctly set colstart to 8
+# For issues with display not updating top/bottom rows correctly set colstart to 8, 0, or -8
 display = adafruit_ssd1680.SSD1680(
     display_bus,
     width=250,
     height=122,
     busy_pin=epd_busy,
     highlight_color=0xFF0000,
     rotation=270,
+    colstart=-8,  # Comment out for older displays
 )
 
 
 g = displayio.Group()
 
+# Note: Check the name of the file. Sometimes the dash is changed to an underscore
 with open("/display-ruler.bmp", "rb") as f:
     pic = displayio.OnDiskBitmap(f)
     t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)