adafruit-mirror/Adafruit_CircuitPython_UC8151D
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use new OnDiskBitmap API

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This commit is contained in:
foamyguy 2025-06-27 13:01:24 -05:00
parent 776b932ebf
commit 95ad8510a8
3 changed files with 31 additions and 31 deletions
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18
README.rst
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@ -123,16 +123,20 @@ Usage Example
g = displayio.Group()
with open("/display-ruler.bmp", "rb") as f:
pic = displayio.OnDiskBitmap(f)
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
display.root_group = g
# Place the display group on the screen
display.root_group = g
display.refresh()
# Refresh the display to have it actually show the image
# NOTE: Do not refresh eInk displays sooner than 180 seconds
display.refresh()
print("refreshed")
time.sleep(180)
time.sleep(120)
Documentation

27
examples/uc8151d_2.9_color.py
View file

@ -44,23 +44,16 @@ display = adafruit_uc8151d.UC8151D(
g = displayio.Group()
# Display a ruler graphic from the root directory of the CIRCUITPY drive
with open("/display-ruler.bmp", "rb") as f:
pic = displayio.OnDiskBitmap(f)
# Create a Tilegrid with the bitmap and put in the displayio group
# CircuitPython 6 & 7 compatible
t = displayio.TileGrid(
pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
)
# CircuitPython 7 compatible only
# t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
# Place the display group on the screen
display.root_group = g
# Place the display group on the screen
display.root_group = g
# Refresh the display to have it actually show the image
# NOTE: Do not refresh eInk displays sooner than 180 seconds
display.refresh()
print("refreshed")
# Refresh the display to have it actually show the image
# NOTE: Do not refresh eInk displays sooner than 180 seconds
display.refresh()
print("refreshed")
time.sleep(180)
time.sleep(180)

17
examples/uc8151d_simpletest.py
View file

@ -37,13 +37,16 @@ display = adafruit_uc8151d.UC8151D(
g = displayio.Group()
with open("/display-ruler.bmp", "rb") as f:
pic = displayio.OnDiskBitmap(f)
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
display.root_group = g
# Place the display group on the screen
display.root_group = g
display.refresh()
# Refresh the display to have it actually show the image
# NOTE: Do not refresh eInk displays sooner than 180 seconds
display.refresh()
print("refreshed")
time.sleep(120)
time.sleep(180)