Re: [lwip-users] best approach to lwip using FreeRTOS

[Sergio Sider]

Hi François,

I suppose all examples of lwip in FreeRTOS site uses the NO_SYS=0, right ?
Actually I am using Luminary´s LWIP implementation (NO_SYS=1) , having
to deal with lwip timeout counters. So I guess I have to create a task
to mimic the timer interrupts and another task to handle the actual
ethernet interrupts (the luminary´s previous implementation just flags
to the main loop from the ISR, and handle everything in this loop).
Sorry for my ignorance, but I am still a little confuse if I can use
the raw api with NO_SYS=0...

thanks for your message,
Sergio.

On Fri, Mar 13, 2009 at 11:59 AM, Francois Bouchard
<address@hidden> wrote:
> Hi,
>
> If you are used to the raw API, I suggest to continue with it.  The raw API
> takes a bit less RAM, and its a bit faster than the other two APIs.  As an
> example,  with  the raw API and a OS (FreeRTOS in your case, and mine too!)
> you can implement an echo server with only 2 tasks:
>
> 1) an Ethernet task that receive/manage Rxed frames
> 2) and the core TCP/IP thread
>
> Francois
>
>
> ----- Original Message -----
> From: "Sergio Sider" <address@hidden>
> To: "Mailing list for lwIP users" <address@hidden>
> Sent: Friday, March 13, 2009 7:01 AM
> Subject: [lwip-users] best approach to lwip using FreeRTOS
>
>
>> Hi guys,
>>
>> I posted this message on the FreeRTOS list and they suggested me to
>> post it here...
>> here it goes:
>>
>> Hi all,
>>
>> I need an opinion:
>>
>> I am used to lwip raw interface, and like it´s simplicity and callback
>> approach.
>>
>> For years, I was using in my embedded programs, a simple cooperative
>> "multitasking" interface, where I call all tasks sequentially in the
>> main loop, using a simple ticker.
>>
>> I am now starting to try FreeRTOS...
>>
>> What´s the best way to use lwip ?
>> Continue to use raw api (I suppose I have to do it inside one single
>> task)? or start using netcon to take advantage of the multitasking?
>>
>> I know the answer might depend on the complexity of my design, but is
>> one approach way better than the other so I just should not think
>> about it ?
>>
>> Thanks for any advice!
>> Sergio P. Sider
>>
>>
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>
>
>
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