Lpc2000

----- Original Message ----- 
From: "Bertrik Sikken" <bertrik@...>
To: <lpc2000@yahoogroups.com>
Sent: Sunday, December 04, 2005 12:14 AM
Subject: Re: [lpc2000] JTAG Programmer Confusion - Noob Question


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> Dominic Rath wrote:
>> Hello,
>>
>> gdb-jtag-arm doesn't support ARM7 targets, only ARM9TDMI. The ARM9 code 
>> has
>> bugs, and I wouldn't count on its operation.
>
> How hard would it be to make it work? Something like this:
> * fix existing bugs (what bugs do you know of?)
> * replace pp.c (linux parallel port io) with a windows equivalent
> * add support for LPC specific registers
> ?
>
>> Macraigor (the company that sells the original "Wiggler") allows you to
>> download their on-chip debug software for free. I used it with an Amontec
>> Chameleon in its Wiggler configuration, but only on windows, the wiggler
>> isn't supported by their linux version.
>
> I got my wiggler clone today (an olimex arm-jtag cable, the "new model"
> with pin 8 and 15 connected on the PC side) and here what I found out
> so far:
>
> I tried both ocdcommander and ocdremote and as far as I understand now,
> the big problem with these is that they cannot set breakpoints in flash.
> Besides, these programs and some wiggler clones don't seem to be
> completely compatible with each other (my cable only works at the lowest
> speed setting, 4 kHz, unless I perform some tricks.)

My interface works at full speed, perhaps I have a better PCB design. I 
wasn't very impressed by the layout on the genuine Wiggler I have, and mine 
is faster than that.

Leon 

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