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42 lines
1.8 KiB
Markdown
42 lines
1.8 KiB
Markdown
---
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pageClass: is-wide-page
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---
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# CameraTrigger (UORB message)
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**TOPICS:** camera_trigger
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## Fields
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| 参数名 | 类型 | Unit [Frame] | Range/Enum | 描述 |
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| ---------------------------------- | -------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------- |
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| timestamp | `uint64` | | | time since system start (microseconds) |
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| timestamp_utc | `uint64` | | | UTC timestamp |
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| seq | `uint32` | | | Image sequence number |
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| feedback | `bool` | | | Trigger feedback from camera |
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## Constants
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| 参数名 | 类型 | 值 | 描述 |
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| ----------------------------------------------------------------------------------------- | -------- | - | -- |
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| <a id="#ORB_QUEUE_LENGTH"></a> ORB_QUEUE_LENGTH | `uint32` | 2 | |
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## Source Message
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[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/CameraTrigger.msg)
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:::details
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Click here to see original file
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```c
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uint64 timestamp # time since system start (microseconds)
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uint64 timestamp_utc # UTC timestamp
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uint32 seq # Image sequence number
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bool feedback # Trigger feedback from camera
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uint32 ORB_QUEUE_LENGTH = 2
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```
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:::
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