Add low airspeed detection logic and bind lowairspeed property to HUD#3691
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meee1 merged 1 commit intoArduPilot:masterfrom Apr 13, 2026
Merged
Add low airspeed detection logic and bind lowairspeed property to HUD#3691meee1 merged 1 commit intoArduPilot:masterfrom
meee1 merged 1 commit intoArduPilot:masterfrom
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Pull request overview
Adds a computed low-airspeed alert into the ArduPilot CurrentState and wires that state into the WinForms HUD binding so the HUD can visually react when the aircraft is flying below its configured minimum airspeed.
Changes:
- Bind
lowairspeedfrom the HUD binding source intohud1in the FlightData view. - Add
CurrentStatelogic to periodically cache the configured minimum airspeed parameter and setlowairspeedwhen VFR airspeed is below that threshold (with sensor health checks).
Reviewed changes
Copilot reviewed 1 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| GCSViews/FlightData.Designer.cs | Adds WinForms data-binding for lowairspeed onto the HUD control. |
| ExtLibs/ArduPilot/CurrentState.cs | Introduces cached min-airspeed param lookup and low-airspeed detection logic in VFR_HUD processing. |
Files not reviewed (1)
- GCSViews/FlightData.Designer.cs: Language not supported
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This PR adds a new low-airspeed alert calculation to the vehicle state: when the aircraft is armed and airborne, it periodically reads the minimum airspeed parameter, caches it for a few seconds, and marks the state as low airspeed if the measured airspeed drops below that threshold while the airspeed sensor is healthy. It also avoids hammering the parameter lookup by rechecking the minimum airspeed only every five seconds. Finally, the HUD is bound to this new
lowairspeedstate so the display can react visually when the condition is detected.