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PX4 Timestamp

Output absolute timestamp from the PX4 Autopilot to a Simulink model

Since R2023b

Add-On Required: This feature requires the UAV Toolbox Support Package for PX4 Autopilots add-on.

  • PX4 Timestamp

UAV Toolbox Support Package for PX4 Autopilots / PX4 Utility Blocks


The PX4 timestamp block gets the time since start in microseconds from the PX4 Autopilot into the Simulink® Model. This timestamp information is absolute, ensuring it never wraps or goes backwards. The output datatype of timestamp is uint64.



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Absolute timestamp from the PX4 Autopilot, returned as uint64.

Data Types: uint64


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Enter the time interval at which the block reads values from the Pixhawk Autopilot.

When you set this parameter to -1, Simulink determines the best sample time for the block based on the block context within the model.

Version History

Introduced in R2023b

See Also