raumfeldAmpConnection.sh

# UDN-UUID of your Raumfeld device and AMP input
rfDevice="udn-uuid"
ampInput="line2"

# IP address of RF and AMP
rfIp="192.168.10.100:8080"
ampIp="192.168.10.101"

raumfeldStatus=$(curl -s http://$rfIp/raumserver/data/getRendererState?id=Laurids)
ampStatus=$(curl -s http://$ampIp/YamahaExtendedControl/v1/main/getStatus)
rfVolumeSet=`cat rfVol.txt`
ampVolumeSet=`cat ampVol.txt`

# Check if amp is turned on and on correct input
if [[ $ampStatus != *$ampInput* ]] || [[ $ampStatus == *"standby"* ]];
  then
    if [[ $raumfeldStatus == *$rfDevice* ]];
      then
        curl -s http://$ampIp/YamahaExtendedControl/v1/main/setPower?power=on
        curl -s http://$ampIp/YamahaExtendedControl/v1/main/setInput?input=line2
    fi
fi

# Set volumes
if [[ $raumfeldStatus == *$rfDevice* ]];
  then
    # Check volume state
    if [[ $ampVolumeSet == true ]];
      then
        # Set higher volume for Raumfeld
        curl -s http://$ampIp/YamahaExtendedControl/v1/main/setVolume?volume=121
        rfVolumeSet=true
        ampVolumeSet=false
    fi
  else
    # Check volume state (You could turn off your AMP here too.)
    if [[ $ampVolumeSet == false ]];
      then
        # Set lower volume for all other sources
        curl -s http://$ampIp/YamahaExtendedControl/v1/main/setVolume?volume=40
        rfVolumeSet=false
        ampVolumeSet=true
    fi
fi

# Save volume states
echo $rfVolumeSet> rfVol.txt
echo $ampVolumeSet > ampVol.txt