re-done pcb for 30 pin oled
[hardpass.git] / shutdown / shutdown-button.sh
1 #!/bin/bash
2
3 # monitor GPIO pin 17 for shutdown signal
4
5 # export GPIO pin 17 and set to input with pull-up
6 echo "17" > /sys/class/gpio/export
7 echo "in" > /sys/class/gpio/gpio17/direction
8 echo "high" > /sys/class/gpio/gpio17/direction
9
10 # wait for pin to go low
11 while [ true ]
12 do
13 if [ "$(cat /sys/class/gpio/gpio17/value)" == '0' ]
14 then
15 echo "Raspberry Pi Shutting Down!"
16 #halt &
17 shutdown -h now
18 exit 0
19 fi
20 sleep 1
21 done
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