90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
"""
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ePaper Display Shapes and Text demo using the Pillow Library.
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Written by Melissa LeBlanc-Williams for Adafruit Industries
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"""
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import digitalio
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import busio
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import board
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from PIL import Image, ImageDraw, ImageFont
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from adafruit_epd.il0373 import Adafruit_IL0373
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from adafruit_epd.il91874 import Adafruit_IL91874 # pylint: disable=unused-import
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from adafruit_epd.il0398 import Adafruit_IL0398 # pylint: disable=unused-import
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from adafruit_epd.ssd1608 import Adafruit_SSD1608 # pylint: disable=unused-import
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from adafruit_epd.ssd1675 import Adafruit_SSD1675 # pylint: disable=unused-import
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# First define some color constants
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WHITE = (0xFF, 0xFF, 0xFF)
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BLACK = (0x00, 0x00, 0x00)
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RED = (0xFF, 0x00, 0x00)
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# Next define some constants to allow easy resizing of shapes and colors
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BORDER = 20
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FONTSIZE = 24
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BACKGROUND_COLOR = BLACK
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FOREGROUND_COLOR = WHITE
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TEXT_COLOR = RED
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# create the spi device and pins we will need
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spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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ecs = digitalio.DigitalInOut(board.CE0)
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dc = digitalio.DigitalInOut(board.D22)
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srcs = None
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rst = digitalio.DigitalInOut(board.D27)
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busy = digitalio.DigitalInOut(board.D17)
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# give them all to our driver
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# display = Adafruit_SSD1608(200, 200, spi, # 1.54" HD mono display
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# display = Adafruit_SSD1675(122, 250, spi, # 2.13" HD mono display
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# display = Adafruit_IL91874(176, 264, spi, # 2.7" Tri-color display
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# display = Adafruit_IL0373(152, 152, spi, # 1.54" Tri-color display
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# display = Adafruit_IL0373(128, 296, spi, # 2.9" Tri-color display
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# display = Adafruit_IL0398(400, 300, spi, # 4.2" Tri-color display
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display = Adafruit_IL0373(
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104,
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212,
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spi, # 2.13" Tri-color display
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cs_pin=ecs,
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dc_pin=dc,
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sramcs_pin=srcs,
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rst_pin=rst,
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busy_pin=busy,
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)
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# IF YOU HAVE A FLEXIBLE DISPLAY (2.13" or 2.9") uncomment these lines!
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# display.set_black_buffer(1, False)
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# display.set_color_buffer(1, False)
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display.rotation = 1
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image = Image.new("RGB", (display.width, display.height))
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# Get drawing object to draw on image.
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draw = ImageDraw.Draw(image)
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# Draw a filled box as the background
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draw.rectangle((0, 0, display.width, display.height), fill=BACKGROUND_COLOR)
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# Draw a smaller inner foreground rectangle
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draw.rectangle(
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(BORDER, BORDER, display.width - BORDER - 1, display.height - BORDER - 1),
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fill=FOREGROUND_COLOR,
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)
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# Load a TTF Font
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font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", FONTSIZE)
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# Draw Some Text
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text = "Hello World!"
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(font_width, font_height) = font.getsize(text)
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draw.text(
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(display.width // 2 - font_width // 2, display.height // 2 - font_height // 2),
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text,
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font=font,
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fill=TEXT_COLOR,
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)
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# Display image.
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display.image(image)
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display.display()
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