mk.link.sh

#!/usr/bin/env bash
#
# Makes the link from /dev/ttyACM0 or /dev/ttyAMA0 to /dev/ttyS80, in case you see a "Port not found" on /dev/ttyACM0 or /dev/ttyAMA0
# Then you should read /dev/ttyS80
#
if [[ -L /dev/ttyS80 ]]; then
  echo -e "Sym Link /dev/ttyS80 already exists:"
  ls -lisa /dev/ttyS80
  echo -e "-----------------------"
  echo -e " 1 - Unlink and move on"
  echo -e " Q - Abort"
  echo -e "-----------------------"
  echo -en "You choose > "
  read choice
  case "$choice" in
  "1")
    sudo unlink /dev/ttyS80
    ;;
  "Q" | "q" | *)
    exit
    ;;
  esac
fi
#
echo -e "------------------------------------"
echo -e " 1 - Map /dev/ttyACM0 to /dev/ttyS80"
echo -e " 2 - Map /dev/ttyAMA0 to /dev/ttyS80"
echo -e " Q - Quit"
echo -e "------------------------------------"
echo -en "You choose > "
read choice
case "$choice" in
"1")
  sudo ln -s /dev/ttyACM0 /dev/ttyS80
  ls -lisa /dev/ttyS80
  ;;
"2")
  sudo ln -s /dev/ttyAMA0 /dev/ttyS80
  ls -lisa /dev/ttyS80
  ;;
"Q" | "q") ;;

*)
  echo -e "Unknown Option. Only Q, 1 or 2".
  ;;
esac
echo -e "Done"
#