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fix: use NOTIFICATION (type 2) for draw_frame RPC
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Viz was sending REQUEST (type 0) but never reading responses.
Router response buffer filled up, blocking all subsequent RPCs.
NOTIFICATION (type 2) expects no response — no buffer buildup.
This commit is contained in:
David Gwilliam
2026-06-24 05:09:53 -07:00
parent 2af901bdca
commit 4f07a4007f
1 changed files with 2 additions and 2 deletions
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scripts/led-matrix-viz.py
+2 -2
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@@ -135,7 +135,7 @@ def main():
params = render(active_notes) params = render(active_notes)
if params != last_sent_params: if params != last_sent_params:
msg_id = (msg_id + 1) % 65535 msg_id = (msg_id + 1) % 65535
pending_bytes = packer.pack([0, msg_id, "draw_frame", params]) pending_bytes = packer.pack([2, msg_id, "draw_frame", params])
last_sent_params = params last_sent_params = params
# Try to send pending frame — no POLLOUT dependency # Try to send pending frame — no POLLOUT dependency
@@ -155,7 +155,7 @@ def main():
fps_sample_frames += 1 fps_sample_frames += 1
if last_sent_params is not None and pending_bytes is None: if last_sent_params is not None and pending_bytes is None:
msg_id = (msg_id + 1) % 65535 msg_id = (msg_id + 1) % 65535
refresh_bytes = packer.pack([0, msg_id, "draw_frame", last_sent_params]) refresh_bytes = packer.pack([2, msg_id, "draw_frame", last_sent_params])
router, ok = try_send(router, refresh_bytes) router, ok = try_send(router, refresh_bytes)
if ok: if ok:
frames_sent += 1 frames_sent += 1