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Move PX4 Guide source into /docs (#24490)
* Add vitepress tree * Update existing workflows so they dont trigger on changes in the docs path * Add nojekyll, package.json, LICENCE etc * Add crowdin docs upload/download scripts * Add docs flaw checker workflows * Used docs prefix for docs workflows * Crowdin obvious fixes * ci: docs move to self hosted runner runs on a beefy server for faster builds Signed-off-by: Ramon Roche <mrpollo@gmail.com> * ci: don't run build action for docs or ci changes Signed-off-by: Ramon Roche <mrpollo@gmail.com> * ci: update runners Signed-off-by: Ramon Roche <mrpollo@gmail.com> * Add docs/en * Add docs assets and scripts * Fix up editlinks to point to PX4 sources * Download just the translations that are supported * Add translation sources for zh, uk, ko * Update latest tranlsation and uorb graphs * update vitepress to latest --------- Signed-off-by: Ramon Roche <mrpollo@gmail.com> Co-authored-by: Ramon Roche <mrpollo@gmail.com>
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# Sensor/Topic Debugging using the Listener Command
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The uORB is an asynchronous `publish()` / `subscribe()` messaging API used for
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inter-thread/inter-process communication. The `listener` command can be used from the _QGroundControl MAVLink Console_ to inspect topic (message) values, including the current values published by sensors.
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:::tip
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Це потужний інструмент для відлагодження, оскільки його можна використовувати навіть тоді, коли QGC підключений через бездротове з'єднання (наприклад, коли транспортний засіб летить).
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:::
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:::info
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The `listener` command is also available through the [System Console](../debug/system_console.md) and the [MAVLink Shell](../debug/mavlink_shell.md).
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:::
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:::tip
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To check what topics are available at what rate, just use the `uorb top` command.
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:::
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The image below demonstrates _QGroundControl_ being used to get the value of the acceleration sensor.
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For more information about how to determine what topics are available and how to call `listener` see: [uORB Messaging > Listing Topics and Listening in](../middleware/uorb.md#listing-topics-and-listening-in).
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