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# CameraTrigger (повідомлення UORB)

**TOPICS:** camera_trigger

## Fields

| Назва                                                            | Тип      | Unit [Frame] | Range/Enum | Опис                                                      |
| ---------------------------------------------------------------- | -------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------- |
| <a id="fld_timestamp"></a>timestamp                              | `uint64` |                                                                  |            | time since system start (microseconds) |
| <a id="fld_timestamp_utc"></a>timestamp_utc | `uint64` |                                                                  |            | UTC timestamp                                             |
| <a id="fld_seq"></a>seq                                          | `uint32` |                                                                  |            | Image sequence number                                     |
| <a id="fld_feedback"></a>feedback                                | `bool`   |                                                                  |            | Trigger feedback from camera                              |

## Constants

| Назва                                                                                     | Тип      | Значення | Опис |
| ----------------------------------------------------------------------------------------- | -------- | -------- | ---- |
| <a id="#ORB_QUEUE_LENGTH"></a> ORB_QUEUE_LENGTH | `uint32` | 2        |      |

## Source Message

[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/CameraTrigger.msg)

:::details
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```c
uint64 timestamp	# time since system start (microseconds)
uint64 timestamp_utc # UTC timestamp

uint32 seq		# Image sequence number
bool feedback	# Trigger feedback from camera

uint32 ORB_QUEUE_LENGTH = 2
```

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