Re: [Discuss-gnuradio] What is a ppio_ppdev?

[Stephane Fillod]

On Sun, Feb 20, 2005 at 11:54:44AM +1030, Berndt Josef Wulf wrote:
> On Sun, 20 Feb 2005 12:46 am, Stephane Fillod wrote:
> > On Sat, Feb 12, 2005 at 09:30:33AM -0800, Eric Blossom wrote:
> > > On Sun, Feb 13, 2005 at 01:46:22AM +1030, Berndt Josef Wulf wrote:
> > > > ppio_ppdev: Not implemented on this platform
> > > >
> > > > Running NetBSD, I suspect this to be a Linux specific device.
> >
> > Is there some arch portable way of controlling the parallel port (like
> > Linux ppdev) under NetBSD?
> 
> According to the ppbus(4) documentation,there appears to be support for such 
> device - ppi(4) - see below:
> 
>            o  a user interface named ppi(4) that allows parallel port access
>                from outside the kernel without conflicting with kernel-in
>                drivers.

OK, it's commited to the Hamlib CVS. If you want to give it a try, 
I cannot test that #ifdef'ed code under a non-BSD system :-)

> > > In general we should abstract the interface to the RF front end.
> > > The the user would specify -- perhaps through some kind of preference
> > > file -- which specific RF front end to use.
> >
> > Ah, you mean some kind of abstraction library, that is consistent and
> > portable, has python binding, yet with a *GPL license? We have it,
> > it's called Hamlib[1] :-) There's already support for microtune 4937 and
> > 4702 (I haven't tested though), a bunch a various transceivers (incl.
> > SDR1000), receivers, kits, etc.
> >
> > Would that make it?
> >
> >
> > [1] http://hamlib.org
> 
> I have a Microtune 4707 tuner and would be interested in supporting this in 
> hamlib if it is of any interest. I haven't compared the docs for 4702 and 
> 4707 but suspect that it should be relatively easy to support both. I was 
> planing to build a daughter board connecting the tuner to the USRP.

Feel free to commit support for the 4707, there's a microtune backend
ready for that. Probably some other fine folks have such tuner.


Cheers,
Stephane