Controllare i leds della tastiera del Raspberry da remoto

[root]

per vedere quali leds sono utilizzabili:

setleds < /dev/tty1
oppure
setleds < /dev/console

script per far lampeggiare un po' di volte il led Num

nano blink-num.sh

Codice: Seleziona tutto

#!/bin/bash
/usr/bin/setleds -L +num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L -num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L +num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L -num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L +num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L -num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L +num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L -num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L +num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L -num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L +num < /dev/tty1
/bin/sleep 0.5
/usr/bin/setleds -L -num < /dev/tty1

[root]

Script per far lampeggiare il Caps sull'attivita' del Hard Disk:

Codice: Seleziona tutto

#!/bin/bash

# Check interval seconds
CHECKINTERVAL=0.1

# console
CONSOLE=/dev/console

#indicator to use [caps, num, scroll]
INDICATOR=caps

getVmstat() {
  cat /proc/vmstat|egrep "pgpgin|pgpgout" 
}
#turn led on
function led_on()
{
    setleds -L +${INDICATOR} < ${CONSOLE}
}
#turn led off
function led_off()
{
    setleds -L -${INDICATOR} < ${CONSOLE}
}
# initialise variables
NEW=$(getVmstat)
OLD=$(getVmstat)
##
while [ 1 ] ; do
  sleep $CHECKINTERVAL # slowdown a bit
  # get status
  NEW=$(getVmstat)
  #compare state
  if [ "$NEW" = "$OLD" ]; then 
    led_off ## no change, led off
  else
    led_on  ## change, led on
  fi
  OLD=$NEW 
done