bootscript for the synology task scheduler to take care of the zigbee usb stick

synology-zigbee-bootscript.sh

#!/bin/sh
set -eu

VIDPID="10c4:ea60"
DEV="/dev/ttyUSB0"
LOADER="/usr/local/etc/rc.d/usb-serial-drivers.sh"

log() { echo "$(date -Iseconds) $*"; }
fail() { log "FAIL: $*"; exit 1; }

[ "$(id -u)" -eq 0 ] || fail "must run as root"

# Give USB a moment on boot
sleep 5

lsusb 2>/dev/null | grep -qi "$VIDPID" || fail "dongle not detected (missing $VIDPID)"
log "OK: dongle detected ($VIDPID)"

[ -x "$LOADER" ] || fail "loader missing/not executable: $LOADER"
"$LOADER" start || true

# Wait a bit for tty creation
for i in 1 2 3 4 5; do
  [ -e "$DEV" ] && break
  sleep 1
done
[ -e "$DEV" ] || fail "$DEV not found (driver not attached)"

chmod 666 "$DEV" || fail "chmod failed on $DEV"
log "OK: $DEV ready"