113 lines
3.1 KiB
Python
113 lines
3.1 KiB
Python
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
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# SPDX-License-Identifier: MIT
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import time
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import busio
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import board
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from digitalio import DigitalInOut, Direction
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from PIL import Image
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from PIL import ImageDraw
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from PIL import ImageFont
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from adafruit_epd.epd import Adafruit_EPD
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from adafruit_epd.ssd1675b import Adafruit_SSD1675B # pylint: disable=unused-import
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# create two buttons
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switch1 = DigitalInOut(board.D6)
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switch2 = DigitalInOut(board.D5)
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switch1.direction = Direction.INPUT
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switch2.direction = Direction.INPUT
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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 = DigitalInOut(board.D8)
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dc = DigitalInOut(board.D22)
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rst = DigitalInOut(board.D27)
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busy = DigitalInOut(board.D17)
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# give them all to our driver
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display = Adafruit_SSD1675B(
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122,
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250,
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spi, # 2.13" HD mono display (rev B)
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cs_pin=ecs,
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dc_pin=dc,
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sramcs_pin=None,
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rst_pin=rst,
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busy_pin=busy,
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)
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display.rotation = 1
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# Create blank image for drawing.
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# Make sure to create image with mode '1' for 1-bit color.
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width = display.width
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height = display.height
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image = Image.new("RGB", (width, height))
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WHITE = (0xFF, 0xFF, 0xFF)
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BLACK = (0x00, 0x00, 0x00)
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# clear the buffer
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display.fill(Adafruit_EPD.WHITE)
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# clear it out
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display.display()
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# Get drawing object to draw on image.
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draw = ImageDraw.Draw(image)
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# empty it
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draw.rectangle((0, 0, width, height), fill=WHITE)
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# Draw an outline box
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draw.rectangle((1, 1, width - 2, height - 2), outline=BLACK, fill=WHITE)
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# Draw some shapes.
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# First define some constants to allow easy resizing of shapes.
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padding = 5
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shape_width = 30
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top = padding
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bottom = height - padding
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# Move left to right keeping track of the current x position for drawing shapes.
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x = padding
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# Draw an ellipse.
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draw.ellipse((x, top, x + shape_width, bottom), outline=BLACK, fill=WHITE)
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x += shape_width + padding
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# Draw a rectangle.
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draw.rectangle((x, top, x + shape_width, bottom), outline=WHITE, fill=BLACK)
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x += shape_width + padding
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# Draw a triangle.
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draw.polygon(
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[(x, bottom), (x + shape_width / 2, top), (x + shape_width, bottom)],
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outline=BLACK,
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fill=WHITE,
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)
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x += shape_width + padding
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# Draw an X.
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draw.line((x, bottom, x + shape_width, top), fill=BLACK)
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draw.line((x, top, x + shape_width, bottom), fill=BLACK)
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x += shape_width + padding
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# Load default font.
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font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 20)
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# Alternatively load a TTF font. Make sure the .ttf font
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# file is in the same directory as the python script!
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# Some other nice fonts to try: http://www.dafont.com/bitmap.php
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# font = ImageFont.truetype('Minecraftia.ttf', 8)
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# Write two lines of text.
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draw.text((x, top), "Hello", font=font, fill=BLACK)
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draw.text((x, top + 20), "World!", font=font, fill=BLACK)
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while True:
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if not switch1.value:
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print("Switch 1")
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display.image(image)
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display.display()
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while not switch1.value:
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time.sleep(0.01)
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if not switch2.value:
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print("Switch 2")
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display.fill(Adafruit_EPD.WHITE)
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display.display()
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while not switch2.value:
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time.sleep(0.01)
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time.sleep(0.01)
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