I forgot.... i have to use both TCP and UDP, and DHCP too.
bye again 2007/11/25, Piero 74 <[EMAIL PROTECTED]>: > > My company asked me what is the right microcontroller for my new board. > i have to choose NXP lpc2364 with 34Kbyte ram or lpc2366 (or 68) with 54 > KByte ram. > > I can control ram usage for FREERTOS, because i have to define only the > heap size, which depends on only number of tasks and queue. > > But i didn't understand how configure LWIP and how define its memory > usage. > My code HAVE to use multithread (i have a contrib for freertos, but not > yet tested) and HAVE to use API (socket, recv, send..), because is a porting > of code developed for micrium RTOS and TCPIP stack. > > So... i build example with last freertos, lwip 1.2.0 with contrib for OS > and driver for my micorontroller (but i want re-write the driver) and now i > have to test in demo board. > > But my company ask me how i can define memory usage for a stack, for > choosing microcontroller and for tell me ok for my decision of using open > source stack as lwip!!! > > for me it's very important this forum! > > bye to Frédéric and other users!! > piero. > > 2007/11/25, Frédéric BERNON < [EMAIL PROTECTED]>: > > > > >have i wait a 1.3.0 version? or get cvs version (beta?)? or use 1.2.0? > > > > Even if there is a date, I hope 1.3.0 will be released before the end of > > the year. Else, you can get the last CVS HEAD. > > > > First, which features do you need ? Do you have disable most of options > > you don't use? > > > > > > ----- Original Message ----- > > *From:* Piero 74 <[EMAIL PROTECTED]> > > *To:* Mailing list for lwIP users <[email protected]> > > *Sent:* Sunday, November 25, 2007 8:01 PM > > *Subject:* Re: [lwip-users] NOANSWERS?????: LWIP - memory usage > > configuration-HELPME!! > > > > i found in init.c file in current CVS some options deprecated: > > > > now i'm linking the 1.2.0 version... i didn't have this file.... > > > > have i wait a 1.3.0 version? or get cvs version (beta?)? or use 1.2.0? > > > > and... please someone tell me something about other issues in my email. > > > > Thanks Frédéric! > > > > 2007/11/25, Frédéric BERNON <[EMAIL PROTECTED]>: > > > > > > There is some indications in init.c , in the last CVS HEAD. Take a > > > look on lwip_sanity_check and on previous preprocessor checkings. > > > > > > > > > ----- Original Message ----- > > > *From:* Piero 74 <[EMAIL PROTECTED]> > > > *To:* [email protected] > > > *Sent:* Sunday, November 25, 2007 7:30 PM > > > *Subject:* [lwip-users] NOANSWERS?????: LWIP - memory usage > > > configuration -HELPME!! > > > > > > please anyone help me!!!! > > > > > > :O( > > > > > > > > > 2007/11/23, Piero 74 <[EMAIL PROTECTED]>: > > > > > > > > Hi all. > > > > > > > > Can someone help me to understand options in opt.h (LWIPopt.h) which > > > > change memory usage? > > > > > > > > what are limits for each option? (for example NOT LESS THAN...) > > > > How each option is connected to others? (for example: options for > > > > sequential API and options for tcp and udp connections... ) > > > > can i change pbuf options? (PBUF_POOL_BUFSIZE..... ) > > > > > > > > in particular, i want to understand how reduce the following > > > > variables: > > > > - ram > > > > - memp_memory > > > > - pbuf_pool_memory > > > > > > > > depending on number of simultanely connections (TCP, TCP LISTENER, > > > > UDP) (i have to use socket for apllication porting reasons) > > > > > > > > > > > > Correct me if i'm wrong: > > > > > > > > the total memory depends on 3 things: > > > > > > > > - memory for low level driver, where MAC layer puts ethernet frames > > > > - memory for LWIP (the above discussion) > > > > - memory for application task, which use sequential API and needs a > > > > owner buffers > > > > > > > > is it true? > > > > > > > > PLEASE HELP ME! > > > > i'm working on an example which use: > > > > - LWIP (1.1.1.. but i will update to 1.2.0) (ported from GNU to IAR) > > > > - FRERTOS FOR ARM7 (lpc2368 microcontroller) > > > > - lpc2368 EMAC driver > > > > > > > > i'm having a lot of problem, and i have to reduce memory usage... > > > > and at the last (....) i have to understand how to use lwip!!! > > > > > > > > Bye, > > > > Piero > > > > > > > > > > > > > > > ------------------------------ > > > > > > _______________________________________________ > > > lwip-users mailing list > > > [email protected] > > > http://lists.nongnu.org/mailman/listinfo/lwip-users > > > > > > > > > _______________________________________________ > > > lwip-users mailing list > > > [email protected] > > > http://lists.nongnu.org/mailman/listinfo/lwip-users > > > > > > > ------------------------------ > > > > _______________________________________________ > > lwip-users mailing list > > [email protected] > > http://lists.nongnu.org/mailman/listinfo/lwip-users > > > > > > _______________________________________________ > > lwip-users mailing list > > [email protected] > > http://lists.nongnu.org/mailman/listinfo/lwip-users > > > >
_______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
