On Wed, Oct 27, 2010 at 11:55 AM, Simon Goldschmidt
<address@hidden> wrote:
PHAM ANH THIEN <
address@hidden> wrote:
> i also got tcpip_thread running before i call these one,
If tcpip_thread is running before you call these functions, I do hope you are calling these functions from tcpip_thread and not from another thread!
> So i think it need a dhcp timer is installed during dhcp start so that when timeout happen but till not get DHCP_ACK status it will call dhcp_discover again.
That's exactly what the tcpip_thread does for you. The discover packet should be resent after some seconds. Maybe there's an issue with your port regarding timers?