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<pre style="color:blue">
# Sample shell command
GPIO=16GPIO=$(cat /sys/kernel/debug/gpio | grep "GPIO$GPIO" | awk -F'gpio-' '{print $2}' | awk -F' ' '{print $1}')echo "16$GPIO" > /sys/class/gpio$GPIO/exportecho "out" > /sys/class/gpio/gpio16gpio$GPIO/direction
# Enable charging
echo "1" > /sys/class/gpio/gpio16gpio$GPIO/value
# Disable charging
echo "0" > /sys/class/gpio/gpio16gpio$GPIO/value
</pre>