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Update simpletest for newer SSD1680 display #31

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merged 2 commits into from
Mar 8, 2025
Merged

Update simpletest for newer SSD1680 display #31

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4dbcb10
Update simpletest for newer SSD1680 display
makermelissa Mar 7, 2025
c5fea2a
Image filename is changed by actions, so added a note about it
makermelissa Mar 7, 2025
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7 changes: 5 additions & 2 deletions examples/ssd1680_simpletest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,11 @@
* https://www.adafruit.com/product/4947
* Adafruit 2.13" Tri-Color eInk Display FeatherWing
* https://www.adafruit.com/product/4814
* Adafruit 2.13" Mono eInk Display Breakout
* https://www.adafruit.com/product/4197
* Adafruit 2.13" Mono eInk Display FeatherWing
* https://www.adafruit.com/product/4195


"""

import time
Expand All @@ -35,19 +36,21 @@
display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000)
time.sleep(1)

# For issues with display not updating top/bottom rows correctly set colstart to 8
# For issues with display not updating top/bottom rows correctly set colstart to 8, 0, or -8
display = adafruit_ssd1680.SSD1680(
display_bus,
width=250,
height=122,
busy_pin=epd_busy,
highlight_color=0xFF0000,
rotation=270,
colstart=-8, # Comment out for older displays
)


g = displayio.Group()

# Note: Check the name of the file. Sometimes the dash is changed to an underscore
with open("/display-ruler.bmp", "rb") as f:
pic = displayio.OnDiskBitmap(f)
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
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