> Hello,
> Good day.
>
> I'm using lwip-1.3.1 with FreeRTOS.
> I want to establish a DHCP client. But I don?t know how to set DCHP and
how
> to call the correct functions.
> Any idea on this one?
you can use netif_set_status_callback() to establish a function that will
be called when the interface goes up (i.e. indicated that DHCP has
finished). And then just call netifapi_dhcp_start().
I then use a task that waits for a semaphore that gets triggered in the
interface-up function if dhcp was completed and times out otherwise, so I
can fall-back to a fixed IP when DHCP is not reachable (AUTOIP is not
feasable in my enivornment).
regards,
Fabian
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