[Tinyos-devel] Resource arbitration bug in SerialP

[Philip Levis]

On Sep 8, 2008, at 7:57 AM, Kevin Klues wrote:

> After glancing briefly at the code, it looks to me like there are more
> things wrong here than the simple fix you propose.  Until now, no one
> has really arbitrated access to the serial stack i.e. it has been a
> dedicated resource on most platforms.  Because of this, it seems like
> it doesn't follow the proper semantics for SplitControl.start() and
> SplitControl.stop() as outlined in TEP115.  A proper fix would be to
> get it in line with these specifications so that putting a resource
> arbiter around it can work properly.

This is true: the serial stack implementation predates Resource as  
well as 115, I believe, and was never intended to operate with an  
arbiter. We should definitely put it in line with 115.

Phil