RE: [avr-libc-dev] [RFC] Reorganizing io.h and common registers

[Eric Weddington]

Hrmpf. Let's try attaching them one at a time.

Eric

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Eric Weddington
> Sent: Wednesday, June 06, 2007 5:42 PM
> To: address@hidden
> Subject: RE: [avr-libc-dev] [RFC] Reorganizing io.h and 
> common registers
> 
>  
> Mailer error.
> The patches should be attached now.
> 
> Eric
> 
> > -----Original Message-----
> > From: 
> > address@hidden 
> > [mailto:address@hidden
> > org] On Behalf Of Eric Weddington
> > Sent: Wednesday, June 06, 2007 5:39 PM
> > To: address@hidden
> > Subject: [avr-libc-dev] [RFC] Reorganizing io.h and common registers
> > 
> > Hello All,
> > 
> > See attached patches for 1.4 branch and HEAD.
> > 
> > This patch reorganizes avr/io.h a bit. A new file is created, 
> > avr/common.h.
> > The purpose of this file is to hold register and symbol 
> > definitions that are
> > common across AVR devices and families. It defines common 
> > registers that
> > have not previously been defined in the individual IO header 
> > files (e.g. the
> > stack pointer and status registers), and it also defines 
> > generic names for
> > some registers that are common across devices and families. 
> > avr/common.h is
> > #included in avr/io.h *after* the individual IO header files. 
> > Therefore many
> > definitions in avr/io.h have been moved to avr/common.h. 
> > There have been
> > some of the assembler files in avr-libc that use common register
> > definitions, and these have been changed to use the generic 
> > symbols defined
> > now in avr/common.h. Lastly, there is a small change to get 
> > avr/io.h back
> > into the documentation.
> > 
> > The main reason to do all this is to organize this a bit 
> > better for future
> > support of new devices. Also, in the future, generic definitions of
> > registers where the names are different between devices, such as in
> > avr/wdt.h, avr/sleep.h, avr/power.h, etc., could be placed in 
> > avr/common.h.
> > These generic definitions are not prefixed with an 
> > underscore, with the idea
> > that they should also be available for public use. However, 
> > they are not
> > currently doxygenified, but could be in the near future. The 
> > point is to get
> > this changed ASAP.
> > 
> > Let me know if anyone sees anything missing, or if something 
> > might need to
> > be added, or rearranged. However, I'm not inclined to quibble 
> > over every
> > detail. These changes are very necessary and I would like to 
> > get them in
> > soon. If there are no significant objections, I will commit 
> > these patches on
> > Friday.
> > 
> > Thanks,
> > Eric Weddington 
> > 
>