Raspberry Dog
By Terence Deng
What it is
Watch dog for raspberry pi
- shutdown raspberry pi when the 12th pin (GPIO 1/GPIO18) is set as high
- reboot raspberry pi when the 13th pin (GPIO 2/GPIO27) is set as high
Build Requirements
Required:
- wiringPi
- apt-get install autoconf automake
How to get started
build.sh
./configure && make
make install
sudo raspberrydog
To shutdown the Raspberry Pi, you can connet 12th pin (GPIO 1/GPIO18) with 11th pin (GPIO 0/GPIO17)
+----------+-Rev2-+------+--------+------+-------+
| wiringPi | GPIO | Phys | Name | Mode | Value |
+----------+------+------+--------+------+-------+
| 0 | 17 | 11 | GPIO 0 | OUT | High | ----> 11th pin
| 1 | 18 | 12 | GPIO 1 | IN | Low | ----> 12th pin
| 2 | 27 | 13 | GPIO 2 | IN | Low | ----> 13th pin
| 3 | 22 | 15 | GPIO 3 | IN | Low |
| 4 | 23 | 16 | GPIO 4 | IN | Low |
| 5 | 24 | 18 | GPIO 5 | IN | Low |
| 6 | 25 | 22 | GPIO 6 | IN | Low |
| 7 | 4 | 7 | GPIO 7 | IN | Low |
| 8 | 2 | 3 | SDA | IN | High |
| 9 | 3 | 5 | SCL | IN | High |
| 10 | 8 | 24 | CE0 | ALT0 | High |
| 11 | 7 | 26 | CE1 | ALT0 | High |
| 12 | 10 | 19 | MOSI | ALT0 | Low |
| 13 | 9 | 21 | MISO | ALT0 | Low |
| 14 | 11 | 23 | SCLK | ALT0 | Low |
| 15 | 14 | 8 | TxD | ALT0 | High |
| 16 | 15 | 10 | RxD | ALT0 | High |
| 17 | 28 | 3 | GPIO 8 | IN | Low |
| 18 | 29 | 4 | GPIO 9 | IN | Low |
| 19 | 30 | 5 | GPIO10 | IN | Low |
| 20 | 31 | 6 | GPIO11 | IN | Low |
+----------+------+------+--------+------+-------+
Start it at boot time
cp scripts/debian/init.d/raspberrydog /etc/init.d/
update-rc.d raspberrydog defaults
service raspberrydog start