Re: [Discuss-gnuradio] ICE1712 and ALSA sink

[Volker Schroer]

Here is an example that works for an Delta  M44 card  for input and output
This card uses the snd_ice1712 module.

Content of .asoundrc
=========================

pcm.SDR1000_card {
    type hw
    card M44
}
ctl.SDR1000_card {
    type hw
    card M44
    }

pcm.dmixer {
    type dmix
    ipc_key 4714
    slave {
    pcm SDR1000_card
    format S32_LE
    period_time 0
    channels 2
     period_size 512
    buffer_size 4096
    }
    bindings {
            0 0
            1 1
    }
}
pcm.dsnooper {
    type dsnoop
    ipc_key 4711
        slave {
        pcm SDR1000_card
    format S32_LE
        period_time 0
        period_size 512
        buffer_size 4096
        }
        bindings {
                      0 0
                      1 1
        }
}


pcm.SDR1000Play {
    type plug
    slave {
        pcm "dmixer"
    }
}
pcm.SDR1000Record {
    type plug
    slave {
    pcm "dsnooper"
    }
}

=================================
M44 is the name of the card you see in /proc/asound

You can use SDR1000Play as sink and SDR1000Record as source.

Volker

Am 18.07.2011 09:39, schrieb Alex DEKKER:
> On Sun, 17 Jul 2011 19:36:50 -0400, Marcus D. Leech wrote:
>
> > Here's a discussion of a strongly-related issue with the M-Audio 2496
> > that seems to imply that the driver only offers 10 channels, not the
> >   conventional '2', and so things that would ordinarily expect '2'
> > get astonished as a result:
> >
> > http://comments.gmane.org/gmane.linux.alsa.devel/83525
>
> OK thanks for that. I guess I should be able to craft an asoundrc that 
> creates a virtual device with 2 channels that just points at the right 
> place and gnuradio will be happy.
>
> alexd
>
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