Felix Pfeifer wrote:
> Hi list,
>
> is there a possibility to use 2 Hammerfall cards at the same time?
> I would like to cascade them and use 48 adat channels for 1 application.
> I heard that some people do that, but i guess they work on windows.
>
> greets
> Felix
Hi Felix,
this is definitely possible under linux and widely used. Just copy the
configuration below into your ~/.asoundrc and tell your app to use the
device named adat48ch. Make sure that both cards are running on
perfectly in sync. A wordclock cable is probably the best solution.
The configuration below is written for a system with onboard sound
(hw:0) and two hammerfalls (hw:1 and hw:2). The channels 48 and 49 (i.e.
the 49th and 50th channel) are the spdif connection of the 1st hammerfall.
have fun!
pcm.adat48ch {
type multi;
slaves.a.pcm "hw:1,0";
slaves.a.channels 26;
slaves.b.pcm "hw:2,0";
slaves.b.channels 26;
bindings.0.slave a;
bindings.0.channel 0;
bindings.1.slave a;
bindings.1.channel 1;
bindings.2.slave a;
bindings.2.channel 2;
bindings.3.slave a;
bindings.3.channel 3;
bindings.4.slave a;
bindings.4.channel 4;
bindings.5.slave a;
bindings.5.channel 5;
bindings.6.slave a;
bindings.6.channel 6;
bindings.7.slave a;
bindings.7.channel 7;
bindings.8.slave a;
bindings.8.channel 8;
bindings.9.slave a;
bindings.9.channel 9;
bindings.10.slave a;
bindings.10.channel 10;
bindings.11.slave a;
bindings.11.channel 11;
bindings.12.slave a;
bindings.12.channel 12;
bindings.13.slave a;
bindings.13.channel 13;
bindings.14.slave a;
bindings.14.channel 14;
bindings.15.slave a;
bindings.15.channel 15;
bindings.16.slave a;
bindings.16.channel 16;
bindings.17.slave a;
bindings.17.channel 17;
bindings.18.slave a;
bindings.18.channel 18;
bindings.19.slave a;
bindings.19.channel 19;
bindings.20.slave a;
bindings.20.channel 20;
bindings.21.slave a;
bindings.21.channel 21;
bindings.22.slave a;
bindings.22.channel 22;
bindings.23.slave a;
bindings.23.channel 23;
bindings.24.slave b;
bindings.24.channel 0;
bindings.25.slave b;
bindings.25.channel 1;
bindings.26.slave b;
bindings.26.channel 2;
bindings.27.slave b;
bindings.27.channel 3;
bindings.28.slave b;
bindings.28.channel 4;
bindings.29.slave b;
bindings.29.channel 5;
bindings.30.slave b;
bindings.30.channel 6;
bindings.31.slave b;
bindings.31.channel 7;
bindings.32.slave b;
bindings.32.channel 8;
bindings.33.slave b;
bindings.33.channel 9;
bindings.34.slave b;
bindings.34.channel 10;
bindings.35.slave b;
bindings.35.channel 11;
bindings.36.slave b;
bindings.36.channel 12;
bindings.37.slave b;
bindings.37.channel 13;
bindings.38.slave b;
bindings.38.channel 14;
bindings.39.slave b;
bindings.39.channel 15;
bindings.40.slave b;
bindings.40.channel 16;
bindings.41.slave b;
bindings.41.channel 17;
bindings.42.slave b;
bindings.42.channel 18;
bindings.43.slave b;
bindings.43.channel 19;
bindings.44.slave b;
bindings.44.channel 20;
bindings.45.slave b;
bindings.45.channel 21;
bindings.46.slave b;
bindings.46.channel 22;
bindings.47.slave b;
bindings.47.channel 23;
bindings.48.slave a;
bindings.48.channel 24;
bindings.49.slave a;
bindings.49.channel 25;
}
ctl.adat48ch {
type hw;
card 1;
}
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