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FAQ

This is a draft/living document and will be rough in places as it is currently just used to note down common stub questions. It will be added to over time as more questions come in.

How do I list available network interfaces?

Linux

ip a

macOS

networksetup -listallhardwareports

Example output:

❯ networksetup -listallhardwareports

Hardware Port: Ethernet Adapter (en3)
Device: en3
Ethernet Address: 76:0d:c4:5d:0c:e6

Use en3 as command line arguments to run examples, etc.

Windows

getmac????

TODO

Jeff says maybe getmac /fo csv /v

or:

Get-NetAdapter -Name * -IncludeHidden | Format-List -Property *

Select-Object Name, InterfaceGuid

Does EtherCrab work on Windows?

Yes, but performance is not very good unlike Linux and to a large extend macOS, which can both do realtime transfers.

Windows performance is potentially improved by xdp-for-windows, but EtherCrab doesn't have support for it at time of writing.

Does EtherCrab support ESI XML files?

Not yet. This is an often requested feature, but needs some thought into how the ESI file can integrate into a safe API for SubDevices. This may be a derive macro, build.rs codegen, or something else.

Why won't my SubDevice go into OP?

TODO: Maybe this should be a separate "troubleshooting" doc?

  • SDOs might not be configured correctly
  • Some SubDevices need cyclic data before they'll go into op. Try request_into_op like in the dc.rs example instead of into_op and see if that helps.