[fpc-devel] Arm Thumb2 - Stellaris status

DaWorm daworm at gmail.com
Fri Aug 19 13:38:33 CEST 2011

On Aug 19, 2011 7:13 AM, "Geoffrey Barton" <mrb at periphon.net> wrote:

> > Afaik there is a standard for the Cortex platform how to do it, google
> > for "ARM Cortex Microcontroller Software Interface Standard"
> there is a generic doc on the arm.com site and a stellaris specific one on
the TI site.

Following the CMSIS would definitely make development easier, but it comes
with a tradeoff.  The generic nature of it makes it very wordy and somewhat
inefficient (sometimes you have to make several function calls to do what a
single assign could do).  If possible, it might be best to have the compiler
expose the raw registers, and add CMSIS as a unit that can be included in
your application source.
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