#!/bin/bash # If you want to use toybox netcat to talk to a serial port, use this. if [ ! -c "$1" ] then echo "usage: minicom.sh /dev/ttyS0" exit 1 fi SPEED="$2" [ -z "$SPEED" ] && SPEED=115200 stty $SPEED -F "$1" stty raw -echo -ctlecho -F "$1" stty raw -echo # Need to do it on stdin, too. ./toybox netcat -f "$1" stty cooked echo # Put stdin back.