Handle SPISlave with no output data ever written #3069
Merged
Conversation
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
Fixes #3068. The SPISlave TX-FIFO IRQ would infinitely try to fill the FIFO as soon as IRQs were enabled, but in the case when the app never sent any data this would cause an infinite loop in the IRQ handler. Now abort if we don't have any data, even if there is space in the FIFO.
earlephilhower
changed the title
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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.
Fixes #3068. The SPISlave TX-FIFO IRQ would infinitely try to fill the FIFO as soon as IRQs were enabled, but in the case when the app never sent any data this would cause an infinite loop in the IRQ handler.
Now abort if we don't have any data, even if there is space in the FIFO.