RPi: Difference between revisions
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Setup as output | === Setup as output === | ||
echo "23" > /sys/class/gpio/export | echo "23" > /sys/class/gpio/export | ||
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echo "0" > /sys/class/gpio/gpio23/value | echo "0" > /sys/class/gpio/gpio23/value | ||
Setup as input | === Setup as input === | ||
echo "23" > /sys/class/gpio/export | echo "23" > /sys/class/gpio/export | ||
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gpio -g write 23 0 | gpio -g write 23 0 | ||
Network interface with multiple IP's | === Network interface with multiple IP's === | ||
/etc/network/interfaces | /etc/network/interfaces | ||
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wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf | wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf | ||
iface default inet dhcp | iface default inet dhcp | ||
=== Crontab === | |||
@reboot /home/pi/projects/orca/orca.sh > orca.log 2>&1 | |||
Latest revision as of 15:41, 9 May 2024
Setup as output[edit | edit source]
echo "23" > /sys/class/gpio/export echo "out" > /sys/class/gpio/gpio23/direction
echo "1" > /sys/class/gpio/gpio23/value echo "0" > /sys/class/gpio/gpio23/value
Setup as input[edit | edit source]
echo "23" > /sys/class/gpio/export echo "in" > /sys/class/gpio/gpio23/direction
cat /sys/class/gpio/gpio23/value
echo "23" > /sys/class/gpio/unexport
Or:
gpio -g mode 23 out gpio -g write 23 1 gpio -g write 23 0
Network interface with multiple IP's[edit | edit source]
/etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
auto eth0:0
iface eth0:0 inet static
address 192.168.1.42
netmask 255.255.255.0
allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp
Crontab[edit | edit source]
@reboot /home/pi/projects/orca/orca.sh > orca.log 2>&1