Merge pull request #12 from jposada202020/adding_breakout_example

adding example for the 2.13 Tricolor Breakout

Author: tannewt

docs/examples.rst

@@ -15,3 +15,12 @@ Ensure your 2.13 ePaper Display FeatherWing works with this simple test.
 .. literalinclude:: ../examples/ssd1680_2.13_featherwing.py
     :caption: examples/ssd1680_2.13_featherwing.py
     :linenos:
+
+2.13 TriColor Breakout Simple test
+---------------------------------------
+
+Ensure your 2.13 ePaper TriColor breakout Display works with this simple test.
+
+.. literalinclude:: ../examples/ssd1680_2.13_tricolor_breakout.py
+    :caption: examples/ssd1680_2.13_tricolor_breakout.py
+    :linenos:

examples/ssd1680_2.13_tricolor_breakout.py

@@ -0,0 +1,59 @@
+# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
+# SPDX-FileCopyrightText: Copyright (c) 2023 Jose D. Montoya
+#
+# SPDX-License-Identifier: Unlicense
+
+
+"""Simple test script for Adafruit 2.13" Tri-Color eInk Display Breakout
+Supported products:
+  * Adafruit 2.13" Tri-Color eInk Display Breakout
+    * https://www.adafruit.com/product/4947
+
+"""
+
+import time
+import board
+import displayio
+import adafruit_ssd1680
+
+displayio.release_displays()
+
+# This pinout works on a Metro M4 and may need to be altered for other boards.
+spi = board.SPI()  # Uses SCK and MOSI
+epd_cs = board.D9
+epd_dc = board.D10
+epd_reset = board.D5
+epd_busy = board.D6
+
+display_bus = displayio.FourWire(
+    spi, command=epd_dc, chip_select=epd_cs, baudrate=1000000
+)
+time.sleep(1)
+
+display = adafruit_ssd1680.SSD1680(
+    display_bus,
+    colstart=8,
+    width=250,
+    height=122,
+    highlight_color=0xFF0000,
+    rotation=270,
+)
+
+g = displayio.Group()
+
+with open("/display-ruler.bmp", "rb") as f:
+    pic = displayio.OnDiskBitmap(f)
+
+    t = displayio.TileGrid(
+        pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
+    )
+
+    g.append(t)
+
+    display.show(g)
+
+    display.refresh()
+
+    print("refreshed")
+
+    time.sleep(120)