Subject: Re: RFC: General purpose "general purpose i/o pin" framework
To: Witold J. Wnuk <witek@wnuk.eu.org>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: tech-kern
Date: 08/14/2002 08:13:45
On Wed, Aug 14, 2002 at 09:28:24AM +0000, Witold J. Wnuk wrote:

 > On Tuesday 13 August 2002 12:36, Herb Peyerl wrote:
 > >
 > > The icing on the cake would be some sort of uploadable filter language
 > > that can define a state machine implemented by the kernel. Then it'd
 > > be a no-brainer to build an SPI filter... Or, say, a BDM filter that
 > > gets attached to the PC Parallel port GPIO driver.  Shouldn't be
 > > too hard to put a vhdl parser in the kernel. :-)
 > 
 > Something like /dev/bpf program interpreter but more fool proof... Ability to, 
 > for example, reliably program all these in-circuit-programmable 
 > microcontrollers using parallel port would certainly be welcomed by 
 > hobbyists.

Yah ... this definitely would be useful ... but would people mind terribly
much if I left that for a future iteration of the interface? :-)

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>