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36 lines
828 B
36 lines
828 B
8 months ago
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#!/bin/bash
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trap ctrl_c INT
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delay=0.05
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function ctrl_c() {
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echo "0" > /sys/class/gpio/gpio17/value
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echo "0" > /sys/class/gpio/gpio27/value
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echo "0" > /sys/class/gpio/gpio23/value
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exit 0
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}
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# RED
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echo "17" > /sys/class/gpio/export 2>/dev/null
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echo "out" > /sys/class/gpio/gpio17/direction
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# GREEN
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echo "27" > /sys/class/gpio/export 2>/dev/null
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echo "out" > /sys/class/gpio/gpio27/direction
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# BLUE
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echo "23" > /sys/class/gpio/export 2>/dev/null
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echo "out" > /sys/class/gpio/gpio23/direction
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while :
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do
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echo "1" > /sys/class/gpio/gpio17/value
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sleep $delay
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echo "0" > /sys/class/gpio/gpio17/value
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echo "1" > /sys/class/gpio/gpio27/value
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sleep $delay
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echo "0" > /sys/class/gpio/gpio27/value
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echo "1" > /sys/class/gpio/gpio23/value
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sleep $delay
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echo "0" > /sys/class/gpio/gpio23/value
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done
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