Thought this might be appropriate here. -kw ----- Original Message ----- From: "William J Maurer" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 24, 2003 2:07 PM Subject: [Tinyos-help] mote network reprogramming after removal of the 4Mbit external flash
> I was just looking at the MICA2 will be removing the Little Guy > processor since the MICA2 has it's own bootloader. > > It seems to me if you are on a ATMega128 and your Application Flash > Memory Requirement is less than (128k-Boot Flash Memory > Requirement)/2, then you could get rid of the 4Mbit external flash and > still do network reprogramming. > > A "flashless" ProgComm component would replace the Logger component > with a component that writes the program capsules received to the free > half of the Application Flash Memory. The bootloader would need to > be able set things up by transferring the new program in the upper > half to the lower half and then launching the new Component. > > The main problem I see is flow control of the program capsules from > the sending mote while they are being written into the free half Application > Flash Memory because of limited RAM (4K). > > Comments? > > William > > ------------------------------------------------------------------------- > William J. Maurer 2170 Wedgewood Way > DSP Labs div WJM Inc. Livermore, California 94550 > http://dsplabs.com (925) 606-8204 > email [EMAIL PROTECTED] Telefax (925) 606-8205 > ICQ#:17014999<http://wwp.mirabilis.com/17014999> > _______________________________________________ > Tinyos-help mailing list > [EMAIL PROTECTED] > http://mail.Millennium.Berkeley.EDU/mailman/listinfo/tinyos-help > _______________________________________________ Tinyos-users mailing list [EMAIL PROTECTED] http://mail.Millennium.Berkeley.EDU/mailman/listinfo/tinyos-users
