This https://github.com/apache/incubator-nuttx/pull/1924 was merged. It adds the polling.
This is the app https://github.com/PX4/NuttX-apps/pull/8 does the rest. It was not upstreamed because it was not everything others wanted and I could not test what they wanted. David -----Original Message----- From: Gregory Nutt [mailto:spudan...@gmail.com] Sent: Wednesday, May 19, 2021 2:56 PM To: dev@nuttx.apache.org Subject: Re: Ethernet cable (network interface availability) detection > Considering this scenario, is there any alternative approach that I > could use to have this detection? Polling the phy, or something > similar? As I recall, David Sidrane submitted a PR to do just this but it was not incoporated. I don't recall why. I recall having some concerns that polling the PHY in maintenance mode would interfere with normal operational mode, but I think David demonstrated that there was not an issue with that. I think these: https://github.com/apache/incubator-nuttx-apps/pull/402 https://github.com/apache/incubator-nuttx-apps/pull/415
