VARA - Enabled sane audio defaults when using VARA

overlay/opt/emcomm-tools/bin/et-vara-hf

@@ -1,16 +1,14 @@
 #!/bin/bash
 # Author  : Gaston Gonzalez
 # Date    : 20 January 2025
-# Updated : 1 February 2025
+# Updated : 7 February 2025
 # Purpose : Run VARA HF
 
 source /opt/emcomm-tools/bin/et-common
 
 EXE="${HOME}/.wine32/drive_c/VARA/VARA.exe"
 
-if [[ -e ${EXE} ]]; then
-  wine ${EXE}
-else 
+if [[ ! -e ${EXE} ]]; then
   echo -e "${RED}"
   echo -e "${EXE} does not exist."
   echo -e "You might NOT have installed the windows subsystem (WINE)."
@@ -19,3 +17,22 @@ else
   echo -e "${NC}"
   exit 1
 fi
+
+# 1. Check if the symlink was created by the udev rules
+if [[ -e /dev/et-audio ]]; then
+
+  # 2. Check that this device was properly tagged with the ET_AUDIO env variable with a udev rule
+  APLAY_OUT=$(arecord -l | grep ET_AUDIO)
+  if [[ $? -eq 0 ]]; then
+    # Configure ALSA settings for sound card
+    /opt/emcomm-tools/bin/et-audio update-config
+  else
+    echo -e "${RED}No ET_AUDIO device detected.${NC}"
+    exit 1
+  fi
+else
+  echo -e "${RED}No ET_AUDIO device plugged in.${NC}"
+  exit 1
+fi
+
+wine ${EXE}