Thanks for your suggestions. I forgot to mention in my last mail, the board has internal 1MB-SRAM and 1MB-FLASH...I think I can use this ..Whats your suggestion on this.
On 2/22/06, Andrew Lunn <[EMAIL PROTECTED]> wrote: > On Wed, Feb 22, 2006 at 04:39:55PM -0800, Sridhar Sridhar wrote: > > Hi, > > I would like to port eCos on LPCE2214 olimex proto type board.It has > > Ehternet and USB port and 256k Flash and 16k RAM. I have couple of > > questions. > > 1] I think eCos is available for LPC2XXX series in CVS. How much > > memory[ROM &RAM] will it take. and what are the limitations. > > I've recently done a port to the AT91SAM7S familiy. My experiance is > that 16K RAM is small. eCos will run, but some of the standard tests > use too much RAM to fit in 16K. Normally it is the stacks which cause > the problem. You need to optimize there size. Even so, you are limited > with only 16K RAM. > > > 2]Can I port using USB2.0.. which one is preferrable USB or Ethernet.. > > USB should be possible. As far as i know it makes no difference if its > USB2.0 or 1.1 in terms of the software. But i could be wrong.... > > > 3]Do i get Network stack for this perticular controller.LPCE2214..Any > > free sources. > > eCos contains the lwip stack which is small. However i don't know how > much RAM you need for buffers etc. If i were you i would investigate > this first since i think it is high risk. > > Andrew > -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
