Re: [lwip-users] Changing tx buffer MEM_SIZE?

[Kieran Mansley]

On Mon, 2010-11-22 at 09:23 -0500, Chen wrote:
> 
> /* MEM_SIZE: the size of the heap memory. If the application will send
> a lot of data that needs to be copied, this should be set high. */
> #define MEM_SIZE                3 * 1024
> 
> How can I change MEM_SIZE on the fly according to different
> configuration?

You can't.  It's a compile time constant.

What are you trying to achieve though?  lwIP has a number of different
ways of allocating memory (static heap, pools, malloc) that are suited
to different environments.

Kieran