Re: [lwip-users] API question

[Noam Weissman]

Hi Jan,

That's sounds great... 

Thx,
Noam.

-----Original Message-----
From: lwip-users [mailto:address@hidden On Behalf Of Jan Menzel
Sent: Monday, April 11, 2016 11:53 AM
To: address@hidden
Subject: Re: [lwip-users] API question

Hi Noam!
        I recently finished an application with almost the same setup: mbedTLS 
(successor of PolarSSL with better licensing options) via socket API (found 
some example for my MCU which I used as started) and SNTP client from contrib 
tree which uses RAW API. Works very well since month.
        Just a side node: TLS/SSL uses a default content length of 16k which is 
acquired twice for tx and rx from the memory pool. For may system (with 64kb 
RAM) this is a lot so I had to reduced it. Luckily we're in control of the 
server so we could incorporate the changes there too.

        Jan

On 10.04.2016 14:49, Noam Weissman wrote:
> Hi,
> 
>  
> 
> I am working with LwIP for somewhat 5 years now. I always used it in 
> RAW mode.
> 
> Now I need to start using SSL/TLS and all the code I can find uses BSD 
> Socket's.
> 
>  
> 
> I am working with STM32F4xx/2xx
> 
>  
> 
> I have gotten STM example "Secure socket layer (SSL) for STM32F217 
> microcontroller (AN3365) based on LwIP TCP/IP stack, FreeRTOS and PolarSSL."
> 
> It is running with some problems, related to my server settings... not 
> an issue.
> 
>  
> 
> The LwIP is defined :
> 
> #define LWIP_RAW                        1
> 
>  
> 
> but also
> 
> #define LWIP_NETCONN             1
> 
> #define LWIP_SOCKET                   1
> 
>  
> 
> The above partial settings are as it came from ST !
> 
>  
> 
> ----------------------------------------------------------------------
> -----------------------------------
> 
> My question is can I use the socket API and run PlarSSL/mbedTLS as is 
> (socket BSD) and also
> 
> Run all my RAW API code,   together ??
> 
>  
> 
> From my understanding I cannot. Can anyone help with this ?
> 
>  
> 
>  
> 
> BR,
> 
> Noam.
> 
>  
> 
> Best Regards,
> 
> Noam Weissman
> 
> Software Engineer.
> 
>  
> 
>       
> 
> Contact information:
> 
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> 
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> 
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> 
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> 
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> 
>  
> 
>  
> 
>  
> 
> 
> 
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