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50 lines
3.1 KiB
Markdown
50 lines
3.1 KiB
Markdown
---
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pageClass: is-wide-page
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---
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# TimesyncStatus (UORB message)
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**TOPICS:** timesync_status
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## Fields
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| Назва | Тип | Unit [Frame] | Range/Enum | Опис |
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| --------------------------------------------------------- | -------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------------------------------------------- |
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| timestamp | `uint64` | | | time since system start (microseconds) |
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| source_protocol | `uint8` | | | timesync source |
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| remote_timestamp | `uint64` | | | remote system timestamp (microseconds) |
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| observed_offset | `int64` | | | raw time offset directly observed from this timesync packet (microseconds) |
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| estimated_offset | `int64` | | | smoothed time offset between companion system and PX4 (microseconds) |
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| round_trip_time | `uint32` | | | round trip time of this timesync packet (microseconds) |
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## Constants
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| Назва | Тип | Значення | Опис |
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| ------------------------------------------------------------------------------------------------------- | ------- | -------- | ---- |
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| <a id="#SOURCE_PROTOCOL_UNKNOWN"></a> SOURCE_PROTOCOL_UNKNOWN | `uint8` | 0 | |
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| <a id="#SOURCE_PROTOCOL_MAVLINK"></a> SOURCE_PROTOCOL_MAVLINK | `uint8` | 1 | |
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| <a id="#SOURCE_PROTOCOL_DDS"></a> SOURCE_PROTOCOL_DDS | `uint8` | 2 | |
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## Source Message
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[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/TimesyncStatus.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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uint8 SOURCE_PROTOCOL_UNKNOWN = 0
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uint8 SOURCE_PROTOCOL_MAVLINK = 1
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uint8 SOURCE_PROTOCOL_DDS = 2
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uint8 source_protocol # timesync source
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uint64 remote_timestamp # remote system timestamp (microseconds)
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int64 observed_offset # raw time offset directly observed from this timesync packet (microseconds)
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int64 estimated_offset # smoothed time offset between companion system and PX4 (microseconds)
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uint32 round_trip_time # round trip time of this timesync packet (microseconds)
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```
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:::
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