#!/bin/sh

vid="$1"
flags="$2"

cd /proc
echo "05 62 02:" "$vid" > switch

if [ "$#" -gt 1 ]; then
  echo "05 64 04:" "$flags" > switch
  echo "05 60 01:80" > switch
else
  echo "05 60 01:81" > switch
fi

sleep 1
echo "05 64 04" > switch
echo "$vid: flags -> `cat switch`"