changed wait for x

PI_SCRIPTS/wait-for-x.sh

 #!/bin/bash
-# wait-for-x.sh
-# home/squareclouds
-until [ -S /tmp/.X11-unix/X0 ]; do
+
+# Warte bis ein USB-Gerät auftaucht
+TIMEOUT=30
+SECONDS_WAITED=0
+
+echo "Waiting for X..."
+while ! pgrep -x Xorg > /dev/null; do
   sleep 1
 done
+
+echo "Waiting for USB (max $TIMEOUT sec)..."
+while [ $SECONDS_WAITED -lt $TIMEOUT ]; do
+    if lsblk | grep -q 'sd[b-z]'; then
+        echo "USB device detected."
+        break
+    fi
+    sleep 1
+    SECONDS_WAITED=$((SECONDS_WAITED + 1))
+done
+
+exit 0
\ No newline at end of file