QUniBone/autostart.sh.example at master · dseagrav/QUniBone · GitHub

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#!/bin/bash
# Actions to start in "screen" session after boot.

# set -x

GPIO_ROOT=/sys/class/gpio

####################################################################
# get_switches()
# read the 4 UniBone/QBone user switches.
# Switch vlaues: 0 = "up" = "OFF", 1 = "down" = "ON".
# sw0 = bank1, pin 4 = gpio36
# sw1 = bank1, pin 5 = gpio37
# sw2 = bann1, pin 6 = gpio38
# sw3 = bann1, pin 7 = gpio39
function get_switches() {
        # set up GPIOs every time
        # enable gpios
        echo 36 >$GPIO_ROOT/export 2>/dev/null
        echo 37 >$GPIO_ROOT/export 2>/dev/null
        echo 38 >$GPIO_ROOT/export 2>/dev/null
        echo 39 >$GPIO_ROOT/export 2>/dev/null
        # set as inputs
        echo in >$GPIO_ROOT/gpio36/direction
        echo in >$GPIO_ROOT/gpio37/direction
        echo in >$GPIO_ROOT/gpio38/direction
        echo in >$GPIO_ROOT/gpio39/direction

        # read out
        sw0=`cat $GPIO_ROOT/gpio36/value`
        sw1=`cat $GPIO_ROOT/gpio37/value`
        sw2=`cat $GPIO_ROOT/gpio38/value`
        sw3=`cat $GPIO_ROOT/gpio39/value`

        # return final value
        switches_val=$(expr $sw0 + 2 \* $sw1 + 4 \* $sw2 + 8 \* $sw3)
}


####################################################################
# get_config() {
# Set up "config_info" and "config_cmd" for config "n"
# Called applications ("demo") should echo "n" onto the LEDs on start.
# Adapt to your own needs!
function get_config() {
# param $1: selection number from switches
n=$1
case $n in
1)
        config_info="Just memory"
        config_cmd="./memory.sh --leds $n"
        ;;
2)
        config_info="XXDP on RL1"
        config_cmd="./xxdp2.5_dl1.sh --leds $n"
        ;;
3)
        config_info="RT11 5.5 single on RL1"
        config_cmd="./rt11v5.5sj_dl1_34.sh --leds $n"
        ;;
4)
        config_info="11/34: RT11 5.5 FB on DU0:"
        config_cmd="./rt11v5.5fb_du0_34.sh --leds $n"
        ;;
5)
        config_info="11/34: RSX11M4.8 on DU0:"
        config_cmd="./rsx11m4.8_du0+rl_34.sh --leds $n"
        ;;
6)
        config_info="11/34: Unix V6 on RK05"
        config_cmd="./unixv6_dk0_34.sh --leds $n"
        ;;
*)
        config_info=
        config_cmd=
        ;;
esac
}


####################################################################
# main()

# read decimal number 0..15 into "switches_val"
get_switches

# get info and command call for selected application
get_config $switches_val

if [ -z "$config_cmd" ]
then
        echo "Switch value $switches_val does not select an application!"
else
        echo "Switch value $switches_val selects \"$config_info\"."
        $config_cmd
 fi