embedded_load_hw_scripts()
{	
    embd_type=
    case $EMBEDDED_TYPE in
	pc|sim)
            embd_type="-t $EMBEDDED_TYPE"
	    ;;
        *)
	    file=/etc/boot.d/${EMBEDDED_TYPE}-hw
	    if [ -f $file ]; then
		. $file
	    else
		log_error "missing driver file $file"
	    fi
	    ;;
    esac
}
i2c_load_drivers()
{
    log_error "please provide a function loading i2c drivers for type '$EMBEDDED_TYPE'"
}

embd_load_drivers()
{
    echo "no embd drivers to load for type '$EMBEDDED_TYPE'"
}
watchdogd_load_drivers()
{
    log_error "please provide a function loading watchdog drivers for type '$EMBEDDED_TYPE'"
}
embd_start_daemon()
{
    case $EMBEDDED_DAEMON in 
	yes) 
            : ${EMBEDDED_BUTTON_ACTION:=none}
	    : ${EMBEDDED_BUTTON_SCRIPT:=/usr/bin/embedded_keyprog}
	    if embd_load_drivers; then
		/usr/bin/embd $embd_type "$EMBEDDED_BUTTON_SCRIPT" "$EMBEDDED_BUTTON_ACTION" 
		echo "LED1 blink" > /var/run/embedded.fifo
	    else
		log_error "failed to load hardware support for embd, skipping embd invocation"
	    fi
	    ;; 
    esac
}
watchdogd_start_daemon()
{
    case $EMBEDDED_WATCHDOG in
	yes)
	    if watchdogd_load_drivers; then
		if [ -c /dev/watchdog ]
		then
		    watchdogd -d /dev/watchdog -r 20 -t 1
		else
		    if [ -c /dev/geode-watchdog ]
		    then
			watchdogd -d /dev/geode-watchdog -r 20 -t 1
		    fi
		fi
	    else
		log_error "failed to load hardware support for watchdogd, skipping watchdogd invocation"
	    fi
	    ;;
    esac
}