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feat: support toggle LED on/off #16

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Merged
bombsimon merged 1 commit into from
Sep 12, 2026
Merged

feat: support toggle LED on/off #16

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9 changes: 7 additions & 2 deletions matrixbox_simulator/device/cpstubs/framebufferio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,7 @@ def refresh(
self, *, target_frames_per_second: int = 60, minimum_frames_per_second: int = 1
) -> None:
group = self.root_group
if group is None or getattr(group, "hidden", False):
if group is None:
return

# Skip everything, pacing sleep included, when nothing's changed
Expand All @@ -127,7 +127,12 @@ def refresh(
time.sleep(1.0 / _refresh_fps)

canvas = bytearray(self.width * self.height * 3)
_composite(group, canvas, self.width, self.height, 0, 0)

# A hidden root group composites nothing, same as real hardware:
# refresh() still pushes a fresh (all-black) framebuffer rather
# than leaving whatever was last on screen in place.
if not getattr(group, "hidden", False):
_composite(group, canvas, self.width, self.height, 0, 0)

# Some sizes ship with their panel physically mounted rotated in
# the enclosure, which real firmware's own rotation default
Expand Down