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--- carberry:rpi:daemons:shutdown [2017/06/29 16:57]
+++ carberry:rpi:daemons:shutdown [2022/03/08 09:06]
admin
@@ Line 1: / Line 1: @@
+===== The shutdown daemon =====
+To properly shutdown Raspberry Pi when ignition signal disappears, an electrical line was provided to notify the need to shutdown.
+The shutdown daemon, monitors this line (pin 13 on P1 header of Raspberry Pi). When this pin goes low, a shutdown command is issued.
+==== Downlaod the daemon ====
+Click here to [[http://www.carberry.it/down.php?download_id=691|download]] the shutdown daemon, or follow installation steps below:
+==== Install the daemon ====
+Enter home directory:
+  cd /home/pi/
+Download the daemon:
+  curl -O -J "https://www.carberry.it/index.php?route=download/download/download&download_id=11"
+Untar the file:
+  tar -xvf shutdown_d_1.0.tar
+Add execution rights:
+  chmod +x /home/pi/shutdown_d/shutdown.sh
+Add a new line to the ''/etc/rc.local'' before ''exit 0'' line.\\
+Edit:
+  sudo nano /etc/rc.local
+Add:
+  /home/pi/shutdown_d/shutdown.sh&
+  exit 0
+System Reboot:
+  sudo reboot
+==== Check daemon exexution ====
+Check daemon execution:
+  ps aux | grep shutdown
+You have to see something like this:
+  pi@raspberrypi ~ $ ps aux | grep shutdown
+  root      2058  0.4  0.2   2736  1188 ?        S    14:40   0:00 /bin/bash /home/pi/shutdown_d/shutdown.sh
+  pi        2380  0.0  0.1   3568   832 pts/0    S+   14:42   0:00 grep --color=auto shutdown
+  pi@raspberrypi ~ $
+==== Test the daemon ====
+To test the daemon, take a wire, and jump toghether pin 13 and pin 25 of P1 connector on Raspberry Pi.
+Raspberry Pi will halt now!.