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39 lines
1.7 KiB
Markdown
39 lines
1.7 KiB
Markdown
---
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pageClass: is-wide-page
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---
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# VehicleConstraints (UORB message)
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Local setpoint constraints in NED frame. setting something to NaN means that no limit is provided.
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**TOPICS:** vehicle_constraints
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## Fields
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| Name | Type | Unit [Frame] | Range/Enum | Description |
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| ----------------------------------------- | --------- | ------------ | ---------- | --------------------------------------------------------------------------- |
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| <a id="fld_timestamp"></a>timestamp | `uint64` | | | time since system start (microseconds) |
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| <a id="fld_speed_up"></a>speed_up | `float32` | | | in meters/sec |
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| <a id="fld_speed_down"></a>speed_down | `float32` | | | in meters/sec |
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| <a id="fld_want_takeoff"></a>want_takeoff | `bool` | | | tell the controller to initiate takeoff when idling (ignored during flight) |
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## Source Message
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[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/VehicleConstraints.msg)
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::: details Click here to see original file
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```c
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# Local setpoint constraints in NED frame
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# setting something to NaN means that no limit is provided
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uint64 timestamp # time since system start (microseconds)
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float32 speed_up # in meters/sec
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float32 speed_down # in meters/sec
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bool want_takeoff # tell the controller to initiate takeoff when idling (ignored during flight)
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```
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:::
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