[fpc-devel] Arm Thumb2 - Stellaris status

[Florian Klämpfl]

Am 19.08.2011 12:02, schrieb John Clymer:
> So, consensus is to include the register definitions - then I will work
> on these.  To get all the possible register structures for all possible
> peripherals will take some time.  And naming conventions come into play
> as well.
> 
> I prefer having my device registers defined in structures.  Other people
> prefer non-structured "flat" definitions for the registers.
> 
> i.e.
> 
> PortA -> DDR
> PortA -> PIN
> 
> vs.
> 
> DDRA
> PINA
> 
> The current stellaris has a start for structures, unless there are
> objections, I would continue with these.
> 
> The actual names of the registers will be best to match the datasheet
> (otherwise, non-compiler writing / source reading people will need a
> manual [and somewhat lengthy one at that] to provide the correcting
> naming of each peripheral and register.)  BUT - there is no standard for
> what the peripheral structure instances should be named - so again, this
> would need to be documented if the target audience is people that won't
> be tearing the compiler apart.  [And again, more work...]

Afaik there is a standard for the Cortex platform how to do it, google
for "ARM Cortex Microcontroller Software Interface Standard"