Lpc2000

----- Original Message ----- 
From: <capiman@...>
To: <lpc2100@yahoogroups.com>
Sent: Monday, January 05, 2004 10:12 AM
Subject: Re: [lpc2100] Small Problems with ISP Utility -> Solutions / self
written ISP utility ?


> Hello Leon,
>
> i am using it meanwhile completely with 115200 (using a MAX232 at 5V)
> but everytime i want to upload something i restart the ISP utility
> completely new.
> Since this no errors in transfer.
> (But i must say i found a bug in soldering my SUB-D connector. One cable
> makes a short when i move position of the connector...)
>
> But of course the left open COM-Port by Philips ISP util makes my thinking
> about other ways:
> What about a ISP util which uses two more RS232 lines to also control
RESET
> and enable booting.
> So the PC tool itself can reset the LPC210x, switch to boot mode, upload,
> and when everything is fine, do a reset again, switch off boot mode and
> reset (to start the just developed programm)...
>
> What do you all think about this ? Could be a convenient way...
> I think i should start to write an ISP util, if no one else has done it
> before (want to avoid duplicate programming, time is rare...)

I'd be inclined to forget about ISP and use JTAG for development. ISP could
still be useful for field upgrades with installed equipment, or the
application could be self-programming with code uploaded via the UART.

Leon
--
Leon Heller, G1HSM
Email: aqzf13@...
My low-cost Philips LPC210x ARM development system:
http://www.geocities.com/leon_heller/lpc2104.html