24 lines
463 B
Plaintext
24 lines
463 B
Plaintext
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#!/bin/sh
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GPIO_PIN=6
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GPIO_PATH="/sys/class/gpio/gpio$GPIO_PIN"
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case "$1" in
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external)
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echo $GPIO_PIN > /sys/class/gpio/export
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echo out > $GPIO_PATH/direction
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echo 1 > $GPIO_PATH/value
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;;
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internal)
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echo $GPIO_PIN > /sys/class/gpio/export
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echo out > $GPIO_PATH/direction
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echo 0 > $GPIO_PATH/value
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;;
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*)
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echo "Usage: $0 {external|internal}"
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exit 1
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;;
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esac
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exit 0
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