To add to Richard's response: before adding a driver, you will need to
select an appropriate interface from Player's "generic" set. The driver
you write will convert between the custom format for your card, and the
device-independent data format defined by this interface. For your DAC, I
suspect that you will probably want to use the AIO and DIO interfaces, but
you may find it necessary to extend these somewhat. Let us know how you
On Sat, 30 Aug 2003, Vikram Harinath wrote:
> I got an answer from the Devs on this one (didnt mean to post it twice.
> Hi Vikram,
> It is very likely that you will need to write a Player driver for your
> card. You should check the player supported-hardware list
> but I'm pretty sure we don't have a driver for your card. The good news is
> that writing a Player driver is pretty straightforward if you have
> hardware drivers already. Essentially you just interpret between the data
> that your Linux driver is producing and consuming, and Player's
> device-independent formats. Take a look at some of the Player driver code
> to get an idea of what you need to do. The waveaudio driver is a
> reasonable place to start; it is a very simple example that shifts data
> between the audio driver's interface (/dev/audio in the filesystem) and
> If you write a driver, please consider contributing it to the project.
> Player would definitely benefit from some DAC support, and you could make
> some people happy.
> Vikram Harinath wrote:
> > Hi,
> > I was wondering if you could help me. I intend to use player to
> > communicate with sensors using a multi-purpose DAC (data acquisition
> > card). This card comes with its own drivers for Linux. The card itself
> > is just a PCI card that slots into the PC.
> > I was wondering how do I get Player to work with this device? Do I use
> > the drivers that came with card or do I have to make my own?
> > Thankyou
> > Vikram
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Andrew Howard email: ahoward@...
Department of Computer Science http: www-robotics.usc.edu/~ahoward
University of Southern California phone: 1 (213) 740 6416
Los Angeles, CA, U.S.A. 90089-0781 fax: 1 (213) 821 5696
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