subscription_callback never called
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 28/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- c
- Domain
- embedded-iot
Research direction
Start by running examples/int32_sub_pub on the ESP32-C6 with ESP-IDF 5.5 and the Humble component version reported here. Read the example's subscription setup and callback execution path, then compare it with the working publisher behavior. Done means the subscriber reliably invokes subscription_callback and the reproduction or fix is documented.
Written by the indexing model from the issue text.
Description
Issue template
- Hardware description:
ESP32-C6-WROOM-1 - Installation type:
espidf, component - ESP-IDF 5.5v - Version or commit hash:
Humble
Steps to reproduce the issue
I have tested the publisher and subscriber from this repository and found that the subscription_callback is never called. On the other hand, the publisher works fine, even with a multithreaded subscriber.
Could anyone help point out any possible issues that might be causing this problem?
- Dominant language
- C
- Stars
- 419
- Forks
- 123
- PR merge metrics
- No merged PRs in 30d
Getting set up
- No Dockerfile or Docker Compose file
- No pull request template
- Read the contributing guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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