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chore: Update README

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Joe Dong
2024-08-28 18:05:06 +08:00
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@@ -38,10 +38,10 @@ supports ROS 2 Foxy, Humble, and Jazzy distributions.
* [Product support](#product-support)
* [DDS Tuning](#dds-tuning)
* [Frequently Asked Questions](#frequently-asked-questions)
* [Unexpected Crash](#unexpected-crash)
* [No Data Stream from Multiple Cameras](#no-data-stream-from-multiple-cameras)
* [Why Are There So Many Launch Files Here?](#why-are-there-so-many-launch-files-here)
* [If You Encounter Additional Issues](#if-you-encounter-additional-issues)
* [Unexpected crash](#unexpected-crash)
* [Additional Troubleshooting](#additional-troubleshooting)
* [Why Are There So Many Launch Files?](#why-are-there-so-many-launch-files)
* [Other useful links](#other-useful-links)
* [License](#license)
<!-- TOC -->
@@ -701,36 +701,41 @@ net.core.rmem_default=2147483647
If you use Fast DDS, you can refer to the [Fast DDS Configuration](./docs/fastdds_tuning.md) file.
## Frequently Asked Questions
### Unexpected Crash
If the camera node crashes unexpectedly, it will generate a crash log in the current running directory: `Log/camera_crash_stack_trace_xx.log`.
Please send this log to the support team or submit it to a GitHub issue for further assistance.
### No Data Stream from Multiple Cameras
**Insufficient Power Supply**:
- Ensure that all cameras are not connected to the same hub.
- Use a powered hub to provide sufficient power to each camera.
- Ensure that each camera is connected to a separate hub.
- Use a powered hub to provide sufficient power to each camera.
**High Resolution**:
- Try lowering the resolution to resolve data stream issues.
- Try lowering the resolution to resolve data stream issues.
**Increase usbfs_memory_mb Value**:
- Increase the `usbfs_memory_mb` value to 128MB by running the following command:
```bash
- Increase the `usbfs_memory_mb` value to 128MB (this is a reference value and can be adjusted based on your system’s needs)
by running the following command:
```bash
echo 128 | sudo tee /sys/module/usbcore/parameters/usbfs_memory_mb
```
- For making this change permanent, check [this link](https://github.com/OpenKinect/libfreenect2/issues/807).
```
- To make this change permanent, check [this link](https://github.com/OpenKinect/libfreenect2/issues/807).
### Why Are There So Many Launch Files Here?
### Additional Troubleshooting
- Multiple launch files exist because different cameras have varying default resolutions and image formats.
- To simplify usage, each camera has its own launch file.
### If You Encounter Additional Issues
- If you encounter other issues, set the `log_level` parameter to `debug`. This will generate an SDK Log file in the running directory. Provide this file to the support team for further assistance.
- If you encounter other issues, set the `log_level` parameter to `debug`. This will generate an SDK log file in the running directory: `Log/OrbbecSDK.log.txt`.
Please provide this file to the support team for further assistance.
- If firmware logs are required, set `enable_heartbeat` to `true` to activate this feature.
### Unexpected crash
If the camera node crashes unexpectedly, it will generate a crash log in the current running directory: `Log/camera_crash_stack_trace_xx.log`.
Please send this log to the support team or submit it to a GitHub issue for further assistance.
### Why Are There So Many Launch Files?
- Different cameras have varying default resolutions and image formats.
- To simplify usage, each camera has its own launch file.
## Other useful links