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Add back the text examples

Author: TheKitty

EInk_CircuitPython_Quickstart/213_tricolor_eink_fw_text.py

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+"""
+Simple text script for Adafruit 2.13" 212x104 tri-color display
+Supported products:
+  * Adafruit 2.13" Tri-Color Display Breakout
+  * Adafruit 2.13" Tri-Color Display FeatherWing
+    https://www.adafruit.com/product/4086 (breakout) or
+    https://www.adafruit.com/product/4128 (FeatherWing)
+
+  This program requires the adafruit_il0373 library and the
+  adafruit_display_text library in the CIRCUITPY /lib folder
+  for CircuitPython 5.0 and above which has displayio support.
+"""
+
+import time
+import board
+import displayio
+import adafruit_il0373
+import terminalio
+from adafruit_display_text import label
+
+BLACK = 0x000000
+WHITE = 0xFFFFFF
+RED = 0xFF0000
+
+# Change text colors, choose from the following values:
+# BLACK, RED, WHITE
+
+FOREGROUND_COLOR = RED
+BACKGROUND_COLOR = WHITE
+
+# Used to ensure the display is free in CircuitPython
+displayio.release_displays()
+
+# Define the pins needed for display use
+# This pinout is for a Feather M4 and may be different 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
+
+# Create the displayio connection to the display pins
+display_bus = displayio.FourWire(spi, command=epd_dc, chip_select=epd_cs,
+                                 reset=epd_reset, baudrate=1000000)
+time.sleep(1)  # Wait a bit
+
+# Create the display object - the third color is red (0xff0000)
+DISPLAY_WIDTH = 212
+DISPLAY_HEIGHT = 104
+
+display = adafruit_il0373.IL0373(display_bus, width=DISPLAY_WIDTH,
+                                 height=DISPLAY_HEIGHT,
+                                 rotation=90, busy_pin=epd_busy,
+                                 highlight_color=0xff0000)
+
+# Create a display group for our screen objects
+g = displayio.Group(max_size=10)
+
+# Set a background
+background_bitmap = displayio.Bitmap(DISPLAY_WIDTH, DISPLAY_HEIGHT, 1)
+# Map colors in a palette
+palette = displayio.Palette(1)
+palette[0] = BACKGROUND_COLOR
+
+# Create a Tilegrid with the background and put in the displayio group
+t = displayio.TileGrid(background_bitmap, pixel_shader=palette)
+g.append(t)
+
+# Draw simple text using the built-in font into a displayio group
+text_group = displayio.Group(max_size=10, scale=2, x=20, y=40)
+text = "Hello World!"
+text_area = label.Label(terminalio.FONT, text=text, color=FOREGROUND_COLOR)
+text_group.append(text_area)  # Add this text to the text group
+g.append(text_group)
+
+# Place the display group on the screen
+display.show(g)
+
+# Refresh the display to have everything show on the display
+# NOTE: Do not refresh eInk displays more often than 180 seconds!
+display.refresh()
+
+time.sleep(120)
+
+while True:
+    pass

EInk_CircuitPython_Quickstart/27_tricolor_eink_shield_text.py

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+"""
+  Simple text script for 2.7" 264x176 Tri-Color display shield
+  Supported products:
+  * Adafruit 2.7" Tri-Color ePaper Display Shield
+    https://www.adafruit.com/product/4229
+  This program requires the adafruit_il91874 and the
+  adafruit_display_text library in /lib on the CIRCUITPY drive
+  for CircuitPython 5.0 and above which has displayio support.
+"""
+
+import time
+import board
+import displayio
+import adafruit_il91874
+import terminalio
+from adafruit_display_text import label
+
+BLACK = 0x000000
+WHITE = 0xFFFFFF
+RED = 0xFF0000
+
+# Change text colors, choose from the following values:
+# BLACK, WHITE, RED (note red on this display is not vivid)
+
+FOREGROUND_COLOR = BLACK
+BACKGROUND_COLOR = WHITE
+
+# Used to ensure the display is free in CircuitPython
+displayio.release_displays()
+
+# Define the pins needed for display use on the Metro
+spi = board.SPI()
+epd_cs = board.D10
+epd_dc = board.D9
+
+# Create the displayio connection to the display pins
+display_bus = displayio.FourWire(spi, command=epd_dc, chip_select=epd_cs,
+                                 baudrate=1000000)
+time.sleep(1)  # Wait a bit
+
+# Create the display object - the third color is red (0xff0000)
+DISPLAY_WIDTH = 264
+DISPLAY_HEIGHT = 176
+
+# Create the display object - the third color is red (0xff0000)
+display = adafruit_il91874.IL91874(display_bus, width=DISPLAY_WIDTH,
+                                   height=DISPLAY_HEIGHT,
+                                   highlight_color=0xff0000, rotation=90)
+
+# Create a display group for our screen objects
+g = displayio.Group(max_size=10)
+
+# Set a white background
+background_bitmap = displayio.Bitmap(DISPLAY_WIDTH, DISPLAY_HEIGHT, 1)
+# Map colors in a palette
+palette = displayio.Palette(1)
+palette[0] = BACKGROUND_COLOR
+
+# Create a Tilegrid with the background and put in the displayio group
+t = displayio.TileGrid(background_bitmap, pixel_shader=palette)
+g.append(t)
+
+# Draw simple text using the built-in font into a displayio group
+text_group = displayio.Group(max_size=10, scale=2, x=40, y=40)
+text = "Hello World!"
+text_area = label.Label(terminalio.FONT, text=text, color=FOREGROUND_COLOR)
+text_group.append(text_area)  # Add this text to the text group
+g.append(text_group)
+
+# Place the display group on the screen
+display.show(g)
+
+# Refresh the display to have everything show on the display
+# NOTE: Do not refresh eInk displays more often than 180 seconds!
+display.refresh()
+
+time.sleep(180)
+while True:
+    pass