Re: [lwip-users] how lwip know internet cable is unplug

[Simon Goldschmidt]

vincent cui <address@hidden>
> You mean that I could polling the link status in a low priority task, the
> task does
> 1. disable dhcp if dhcp is enable in link loss case
> 2. enable dhcp if dhcp is disable in link recover case.

You don't need to do that: lwIP handles calling dhcp itself if you just call 
netif_set_link_up/down.

> The link status from loss to recover will happen one time at boot
> time...so the dhcp enable will put the task too ?

No, I initialized it once after booting so that change didn't happen after 
botting.

Simon
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