ws2812: fix PIO TX FIFO overflow on rp2040/rp2350 dropping LEDs#875
Open
deadprogram wants to merge 1 commit into
Open
ws2812: fix PIO TX FIFO overflow on rp2040/rp2350 dropping LEDs#875deadprogram wants to merge 1 commit into
deadprogram wants to merge 1 commit into
Conversation
PutRGB calls TxPut which is non-blocking and silently discards data when the TX FIFO is full. Wait for FIFO space before each PutRGB using runtime.Gosched() to yield cooperatively, matching the pattern used by piolib.WriteRaw. Signed-off-by: deadprogram <ron@hybridgroup.com>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
PutRGB calls TxPut which is non-blocking and silently discards data when the TX FIFO is full.
Wait for FIFO space before each PutRGB using runtime.Gosched() to yield cooperatively, matching the pattern used by piolib.WriteRaw.
Should fix #869