1. Home
  2. Embedded Programming
  3. LPC21xx newbie questions

LPC21xx newbie questions

Hi

I decided to choose LPC21xx ARM devices as my microcontroller for small applications.

I still havent found out what the cheapest and easiest way is to develop and debug.

Are there any free or low cost solutions that allow jtag graphical debugging (win or linux ) ? Is there a low cost alternative to keil-ARM tools ? (The Keil Ulink Jtag and their LPC21xx based boards look a good starting point ,but a bit expensive )

Are there any RTOSses for these tiny devices ?

I need some hints so i can go for it.

Johan

Reply to
Sagaert Johan
Loading thread data ...

"Sagaert Johan" ...

.....

Go for it then, and subscribe to the mail-list at

formatting link

A very active group where all these questions are answered in detail (also in the archives, read them first, strarting at the end).

Regards, Arie de Muijnck

Reply to
Arie de Muynck

In article , Sagaert Johan writes

None of these kit is expensive. I assume this is for home or hobby use?

There are the IAR boards with JTAG and eval compiler... similar to the Keil but the compiler has a 32K limit.

However both the Keil and the IAR compilers are vastly more efficient than the GNu unless you have hours to spend optimising your own version to get it closer.

Yes, but why do you need one? The vast majority of embedded systems don't use an RTOS.

Regards Chris

--
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
\/\/\/\/\ Chris Hills  Staffs  England     /\/\/\/\/
/\/\/ chris@phaedsys.org      www.phaedsys.org \/\/\
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
Reply to
Chris Hills

What optimizations do you mean?

Reply to
Andreas Schwarz

Depending what you mean by low-cost, the rowley offering looks to be good value for money. available for both windows and linux.

formatting link

With a wiggler clone (easy to build) together with OCdemon and insight you can debug programs in RAM. Not to sure how good this combination is for debugging code directly in flash.

There are quite a few RTOSes available, from free to fairly expensive. If you google for ARM RTOS you should get quite a number of hits.

As someone else suggested, join the lpc2000 group on yahoo.

Regards Anton Erasmus

Reply to
Anton Erasmus

-O2, according to !

--

John Devereux
Reply to
John Devereux

and

debugging

and

expensive )

Try the following links:

formatting link
(bias declared)
formatting link
formatting link
and finally ...
formatting link

Regards, Richard.

formatting link

Reply to
Richard

ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.