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Re: [lwip-users] TM4C1294 LWIP Usage

From: Paul Webber
Subject: Re: [lwip-users] TM4C1294 LWIP Usage
Date: Sat, 20 Dec 2014 19:19:47 +0000


tcp_write puts the data in to the tcp buffer. After tcp_write try tcp_output.


From: address@hidden <address@hidden> on behalf of Lee <address@hidden>
Sent: Friday, December 19, 2014 7:24 PM
To: address@hidden
Subject: Re: [lwip-users] TM4C1294 LWIP Usage

Hi Noam,

I am still trying to get a simple send function working which is
frustrating. Perhaps it is more of a C issue than a LWIP (client or server)
issue. Once I have a connection I can do 1 send with tcp_write called in
either the recv callback or the accept. Once connected however I am stuck as
to where to call another write. I think I would have to make the functions
extern and the pcb more global to call another write from main or any
included application code. Is this how you did it?


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