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CircuitPython sdcardio sdioio: Update for CP7 #1753

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Aug 11, 2021
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CircuitPython sdcardio sdioio: Update for CP7 #1753

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21 changes: 16 additions & 5 deletions CircuitPython_sdcardio_sdioio/show_bitmaps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,24 +2,35 @@
import time

import board
import digitalio
import displayio

import mount_sd

display = board.DISPLAY

# The bmp files on the sd card will be shown in alphabetical order
bmpfiles = sorted("/sd/" + filename for filename in os.listdir("/sd")
if filename.lower().endswith("bmp"))
bmpfiles = sorted("/sd/" + fn for fn in os.listdir("/sd") if fn.lower().endswith("bmp"))

while True:
if len(bmpfiles) == 0:
print("No BMP files found")
break

for filename in bmpfiles:
print("showing", filename)

# CircuitPython 6 & 7 compatible
bitmap_file = open(filename, "rb")
bitmap = displayio.OnDiskBitmap(bitmap_file)
tile_grid = displayio.TileGrid(bitmap,
pixel_shader=getattr(bitmap, 'pixel_shader', displayio.ColorConverter()))
tile_grid = displayio.TileGrid(
bitmap,
pixel_shader=getattr(bitmap, 'pixel_shader', displayio.ColorConverter())
)

# # CircuitPython 7+ compatible
# bitmap = displayio.OnDiskBitmap(filename)
# tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader)

group = displayio.Group()
group.append(tile_grid)
display.show(group)
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