Lpc2000

Sean pointed out that the Macraigor Wiggler is $150 whilst the 
Olimex clone is $19 and asks "what's the deal here?"

Open up a wiggler and you'll see that it's a cheap level-shifter 
chip and a transistor built into a DB-25 shell. Admittedly, $19 
seems more like a fair price, but Olimex didn't write the OCDRemote 
and OCDCommander software and didn't have to ammortize any software 
development (Macraigor does). Macraigor probably provides more 
telephone support if the customer has trouble getting it to work.

Even the fastest wiggler baud rate is slow in comparison to the 
newer USB and Ethernet JTAG debuggers. This is not obvious in short 
demo programs, but painful if you are downloading a very large 
program.

I worry about myself and others relying on the Macraigor OCDRemote 
JTAG program that interfaces GDB to the JTAG pins. OCDRemote is NOT 
open-source. Macraigor allows free downloads of the OCDRemote 
executable but the source code has always been proprietary. They 
could withdraw this "freebie" at any time.

We need two things. A reasonably priced USB JTAG debugger supported 
by a true "open-source" GDB/JTAG driver. Until then, the debugging 
situation will remain tenuous, at best (for those on limited 
budgets).

Cheers,
James P. Lynch