adafruit-mirror/Adafruit_CircuitPython_FruitJam
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support requesting color depth. Dont re-init display if already in requested config. Update get_config docstring and try/except to account for no display initialized.

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foamyguy 2025-07-09 14:23:27 -05:00
parent 8d3f1ab83a
commit 332fe1e871
1 changed files with 34 additions and 22 deletions
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56
adafruit_fruitjam/peripherals.py
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@ -48,7 +48,7 @@ COLOR_DEPTH_LUT = {
}
def request_display_config(width, height):
def request_display_config(width, height, color_depth=None):
"""
Request a display size configuration. If the display is un-initialized,
or is currently using a different configuration it will be initialized
@ -58,42 +58,54 @@ def request_display_config(width, height):
:param width: The width of the display in pixels.
:param height: The height of the display in pixels.
:param color_depth: The color depth of the display in bits.
Valid values are 1, 2, 4, 8, 16, 32. Larger resolutions must use
smaller color_depths due to RAM limitations. Default color_depth for
720 and 640 width is 8, and default color_depth for 320 and 360 width
is 16.
:return: None
"""
if (width, height) not in VALID_DISPLAY_SIZES:
raise ValueError(f"Invalid display size. Must be one of: {VALID_DISPLAY_SIZES}")
displayio.release_displays()
fb = picodvi.Framebuffer(
width,
height,
clk_dp=board.CKP,
clk_dn=board.CKN,
red_dp=board.D0P,
red_dn=board.D0N,
green_dp=board.D1P,
green_dn=board.D1N,
blue_dp=board.D2P,
blue_dn=board.D2N,
color_depth=COLOR_DEPTH_LUT[width],
)
supervisor.runtime.display = framebufferio.FramebufferDisplay(fb)
# if user does not specify a requested color_depth
if color_depth is None:
# use the maximum color depth for given width
color_depth = COLOR_DEPTH_LUT[width]
requested_config = (width, height, color_depth)
if requested_config != get_display_config():
displayio.release_displays()
fb = picodvi.Framebuffer(
width,
height,
clk_dp=board.CKP,
clk_dn=board.CKN,
red_dp=board.D0P,
red_dn=board.D0N,
green_dp=board.D1P,
green_dn=board.D1N,
blue_dp=board.D2P,
blue_dn=board.D2N,
color_depth=color_depth,
)
supervisor.runtime.display = framebufferio.FramebufferDisplay(fb)
def get_display_config():
"""
Get the current display size configuration.
:return: width: The width of the display in pixels.
:return: height: The height of the display in pixels.
:return: pixel_depth of the display in pixels
:return: display_config: Tuple containing the width, height, and color_depth of the display
in pixels and bits respectively.
"""
try:
display = supervisor.runtime.display
display = supervisor.runtime.display
if display is not None:
display_config = (display.width, display.height, display.framebuffer.color_depth)
return display_config
except ValueError:
else:
return (None, None, None)