[LAD] Headless RME HDSP/HDSPM mixer settings

[Paul Davis]

On Wed, Nov 27, 2013 at 12:41 PM, raf <rmouneyres at gmail.com> wrote:

> hello,
>
> tested successfully with a HDSP 9652.
> great usefull tool !
>
> notice that if hdspmixer has not been started after bootup (means the card
> is not initialized in some way), hdspdump throw no error, and creates a
> dump file filled with 0. It means that alsa is not throwing errors either
> as your programs goes nicely to the end.
>
> I've been looking at hdspmixer code for some days now to make it console
> only, removing FLTK dependencies. Your program gives me motivation to go on
> with this hard task.
>

i have no idea what a "console-only" version of hdspmixer would actually
do, but perhaps you could consider the following as inspiration also (which
uses amixer(1) to control the hdsp matrix mixer from the cmd line):

#!/bin/bash

AMIXER="amixer -q"
CARD="-c 1"

if [ x$1 = xon ] ; then
    gain=32768
    verb="route"
else
    gain=0
    verb="mute"
fi

shift;

#input_source : 0-25  (physical channels),
#               26-51 (software playback)
#output_source : 0-25 (physical channels),
#               26-27 (line out)

case $1 in
    play)
    for chn in $(seq 26 51);do
        $AMIXER $CARD cset numid=5 $chn,$(($chn-26)),$gain
    done
    ;;

    thru)
    for input in $(seq 0 25);do
        for output in $(seq 0 25); do
        if [ $input != $output ]; then
            $AMIXER $CARD cset numid=5 $input,$output,$gain
        fi
        done
    done
    ;;

    thru12)
    $AMIXER $CARD cset numid=5 0,0,$gain
    $AMIXER $CARD cset numid=5 1,1,$gain
    ;;

    mon)
    for chn in $(seq 26 51);do
        if [ $(($chn % 2)) -eq 0 ] ; then
        $AMIXER $CARD cset numid=5 $chn,26,$gain
        else
        $AMIXER $CARD cset numid=5 $chn,27,$gain
        fi
    done
    ;;

    all)
    for input in $(seq 0 51); do
        for output in $(seq 0 27); do
        echo -n "."
        if [ $gain = 0 -o $input != $output ]; then
            $AMIXER $CARD cset numid=5 $input,$output,$gain
        fi
        done
        echo
    done
    ;;

    off)
    for input in $(seq 0 51); do
        for output in $(seq 0 27); do
        echo -n "."
        if [ $gain = 0 -o $input != $output ]; then
            $AMIXER $CARD cset numid=5 $input,$output,$gain
        fi
        done
        echo
    done
    ;;
esac
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