micro-ROS / micro-ROS/micro_ros_vitis_component
rclc_executor_spin_some returns RCL_RET_ERROR when using a custom transport
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- Shell
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- 6
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- 3
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Description
I am implementing a custom transport on FreeRTOS using the MicroBlaze processor. The transport is straightforward—it continuously polls memory, waiting for new data in the custom read function. I have already verified that the custom read function returns the correct number of bytes.
However, I am encountering the generic error "RCL_RET_ERROR". How can I effectively debug this issue? What does this generic error typically indicate?
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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.
Research direction
Start by tracing rclc_executor_spin_some and the custom read function to find where RCL_RET_ERROR is produced. Reproduce the failure on the FreeRTOS/MicroBlaze transport and inspect the return path and available diagnostics. Done means the failing layer is identified and the issue has a documented correction or debugging path.
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Assessment
- Domain
- embedded-iot
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100