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dronecan: esc: UAVCAN_ESC_IFACE default to CAN2 only #25504

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dronecan: esc: UAVCAN_ESC_IFACE default to CAN2 only #25504

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f91ae05
dronecan: esc: change UAVCAN_ESC_IFACE to 2 to default to only output…
dakejahl Aug 29, 2025
15fab5c
revert param default and update docs
dakejahl Sep 14, 2025
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4 changes: 3 additions & 1 deletion docs/en/dronecan/index.md
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Expand Up @@ -270,6 +270,8 @@ PX4 DroneCAN parameters:

[DroneCAN ESCs and servos](../dronecan/escs.md) require the [motor order and servo outputs](../config/actuators.md) to be configured.

Select the CAN interface for ESC data output. All interfaces are selected by default. Avoid using the same interface as other nodes, as ESC messages can saturate the bus and starve other nodes of bandwidth. [UAVCAN_ESC_IFACE](../advanced_config/parameter_reference.md#UAVCAN_ESC_IFACE)

## QGC CANNODE Parameter Configuration

QGroundControl can inspect and modify parameters belonging to CAN devices attached to the flight controller, provided the device are connected to the flight controller before QGC is started.
Expand Down Expand Up @@ -307,7 +309,7 @@ If successful, the firmware binary will be removed from the root directory and t

**Q**: The motors aren't spinning when armed.

**A**: Make sure `UAVCAN_ENABLE` is set to `3` to enable DroneCAN ESC output.
**A**: Make sure `UAVCAN_ENABLE` is set to `3` to enable DroneCAN ESC output. Make sure `UAVCAN_ESC_IFACE` is set to the interface you're using.

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