Merge pull request #9 from dave-ct/128

Update ssd1680_simpletest.py

Author: makermelissa

adafruit_ssd1680.py

@@ -18,6 +18,7 @@
 
 * `Adafruit 2.13" Tri-Color eInk Display Breakout <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 FeatherWing <https://www.adafruit.com/product/4195>`_
 
 
 **Software and Dependencies:**
@@ -64,6 +65,8 @@ class SSD1680(displayio.EPaperDisplay):
     """
 
     def __init__(self, bus: displayio.Fourwire, **kwargs) -> None:
+        if "colstart" not in kwargs:
+            kwargs["colstart"] = 1
         stop_sequence = bytearray(_STOP_SEQUENCE)
         try:
             bus.reset()
@@ -95,6 +98,5 @@ def __init__(self, bus: displayio.Fourwire, **kwargs) -> None:
             set_current_column_command=0x4E,
             set_current_row_command=0x4F,
             refresh_display_command=0x20,
-            colstart=1,
             always_toggle_chip_select=True,
         )

examples/ssd1680_simpletest.py

@@ -9,6 +9,10 @@
     * 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 FeatherWing
+    * https://www.adafruit.com/product/4195
+
+
 """
 
 import time
@@ -30,15 +34,18 @@
 )
 time.sleep(1)
 
+# For issues with display not updating top/bottom rows correctly set colstart to 8
 display = adafruit_ssd1680.SSD1680(
     display_bus,
+    colstart=1,
     width=250,
     height=122,
     busy_pin=epd_busy,
     highlight_color=0xFF0000,
     rotation=270,
 )
 
+
 g = displayio.Group()
 
 with open("/display-ruler.bmp", "rb") as f: