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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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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 you want to output the ESC data on. By default CAN2 is selected. [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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2 changes: 1 addition & 1 deletion src/drivers/uavcan/module.yaml
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Expand Up @@ -20,7 +20,7 @@ parameters:
5: CAN6
6: CAN7
7: CAN8
default: 255
default: 2
min: 1
max: 255
reboot_required: true
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