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fix(commander): add warning-only mode to COM_PARACHUTE (#27903)

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Anil Kircaliali
2026-07-22 20:37:34 -07:00
committed by GitHub
parent d5e5143090
commit 63d7551970
6 changed files with 24 additions and 14 deletions
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docs/en/config/safety.md
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@@ -313,7 +313,7 @@ The parachute health failsafe is triggered when a [MAVLink parachute](../periphe
| Parameter | Description |
| -------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <a id="COM_PARACHUTE"></a>[COM_PARACHUTE](../advanced_config/parameter_reference.md#COM_PARACHUTE) | Parachute system monitoring and failsafe action.<br>`0`: Disabled (default), `1`: [Warning](#act_warn), `2`: [Return](#act_return), `3`: [Land](#act_land).<br><br>- Everything but `Disabled` prevents arming with a failing check.<br>- [Return](#act_return) and [Land](#act_land) start the associated action when a failure happens in-flight. |
| <a id="COM_PARACHUTE"></a>[COM_PARACHUTE](../advanced_config/parameter_reference.md#COM_PARACHUTE) | Parachute system monitoring and failsafe action.<br>`0`: Disabled (default), `1`: [Warning](#act_warn), `2`: Error, `3`: [Return](#act_return), `4`: [Land](#act_land).<br><br>- `Warning` warns with a failing check but does not prevent arming.<br>- `Error`, `Return` and `Land` prevent arming with a failing check.<br>- [Return](#act_return) and [Land](#act_land) start the associated action when a failure happens in-flight. |
## Quad-chute Failsafe

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docs/en/releases/1.18.md
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@@ -180,7 +180,7 @@ For users upgrading from v1.17, please take a moment to review the following bef
## Safety
- Rotary-wing vehicles now support uncommanded altitude loss detection: if the vehicle descends more than [FD_ALT_LOSS](../advanced_config/parameter_reference.md#FD_ALT_LOSS) meters below its setpoint in altitude-controlled flight, flight termination (and parachute deployment) is triggered. See [Altitude Loss Trigger](../config/safety.md#altitude-loss-trigger). ([PX4-Autopilot#26837](https://github.com/PX4/PX4-Autopilot/pull/26837))
- [Parachute health failsafe](../peripherals/parachute.md): extended [COM_PARACHUTE](../advanced_config/parameter_reference.md#COM_PARACHUTE) from a boolean into a configurable in-flight failsafe action (Return or Land) parameter. The previously enabled value `COM_PARACHUTE=1` causes a warning like before. ([PX4-Autopilot#26918](https://github.com/PX4/PX4-Autopilot/pull/26918))
- [Parachute health failsafe](../peripherals/parachute.md): extended [COM_PARACHUTE](../advanced_config/parameter_reference.md#COM_PARACHUTE) from a boolean into a configurable arming check and in-flight failsafe action parameter (Warning, Error, Return, or Land). The previously enabled value `COM_PARACHUTE=1` (Warning) now only warns without preventing arming; use `COM_PARACHUTE=2` (Error) or higher to prevent arming when the parachute system is missing or unhealthy. ([PX4-Autopilot#26918](https://github.com/PX4/PX4-Autopilot/pull/26918))
- [GNSS check failsafe](../config/safety.md#gnss-check-failsafe): new failsafe that monitors the number of usable GNSS receivers with a 3D fix and their position consistency. The required number of receivers is set via [SYS_HAS_NUM_GNSS](../advanced_config/parameter_reference.md#SYS_HAS_NUM_GNSS) and the failsafe action via [COM_GNSSLOSS_ACT](../advanced_config/parameter_reference.md#COM_GNSSLOSS_ACT). ([PX4-Autopilot#26863](https://github.com/PX4/PX4-Autopilot/pull/26863))
- New companion computer over-temperature warning: [COM_CC_TEMP_WARN](../advanced_config/parameter_reference.md#COM_CC_TEMP_WARN) (default `80` C, set `-1` to disable) raises a warning when the reported companion computer temperature exceeds the threshold. ([PX4-Autopilot#27637](https://github.com/PX4/PX4-Autopilot/pull/27637))
- New ESC over-temperature warning: [COM_ESC_OT_WARN](../advanced_config/parameter_reference.md#COM_ESC_OT_WARN) (default `90` C, set `-1` to disable) raises a warning when a reported ESC temperature exceeds the threshold. ([PX4-Autopilot#27626](https://github.com/PX4/PX4-Autopilot/pull/27626))