55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""Simple test script for 1.54" 200x200 monochrome display.
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Supported products:
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* Adafruit 1.54" Monochrome ePaper Display Breakout
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* https://www.adafruit.com/product/4196
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"""
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import time
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import board
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import displayio
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import fourwire
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import adafruit_ssd1608
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displayio.release_displays()
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# This pinout works on a Feather M4 and may need to be altered for other boards.
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spi = board.SPI() # Uses SCK and MOSI
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epd_cs = board.D9
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epd_dc = board.D10
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epd_reset = board.D5
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epd_busy = board.D6
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display_bus = fourwire.FourWire(
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spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
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)
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time.sleep(1)
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display = adafruit_ssd1608.SSD1608(
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display_bus, width=200, height=200, busy_pin=epd_busy, rotation=180
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)
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g = displayio.Group()
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with open("/display-ruler.bmp", "rb") as f:
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pic = displayio.OnDiskBitmap(f)
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# CircuitPython 6 & 7 compatible
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t = displayio.TileGrid(
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pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
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)
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# CircuitPython 7 compatible only
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# t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
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g.append(t)
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display.root_group = g
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display.refresh()
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print("refreshed")
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time.sleep(120)
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