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[lwip-users] Callback API, full unacked
From: |
Oleg Terentiev |
Subject: |
[lwip-users] Callback API, full unacked |
Date: |
Mon, 21 Mar 2022 16:35:10 +0700 |
Hello, All.
I try to use LwIP (oh... 1.4.1) for embedded, tcp client in callback mode. Stream is 128000 bytes /sec, MCU has 200 kiB memory total.
I have wrote code, it started ok. But it stops after some time with message
> memp_malloc: out of memory in pool PBUF_POOL
I try find problem, tcp_pcb -> unacked grows before stop.
How to tell LwIP resend unacked data? How to check filled / awailable PBUFs total? How to set timeout for ACK (which value of lwipopts.h )?
---
best regards, Oleg aka Hoks.
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