#!/bin/bash
 
case $1 in
    'fir')
    #
    # Disable SIR mode
    #
    killall irattach 2>/dev/null
    rmmod irtty_sir 2>/dev/null
    rmmod sir_dev 2>/dev/null
    #
    # Enable FIR mode
    #
    setserial /dev/ttyS1 uart none
    modprobe nsc-ircc dongle_id=9
    irattach irda0 -s
    ;;
    'sir'|'normal')
    #
    # Ensable SIR mode
    #
    killall irattach 2>/dev/null
    rmmod nsc_ircc 2>/dev/null
    setserial /dev/ttyS1 uart 16550A
    irattach /dev/ttyS1 -s
    ;;
esac