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67 lines
1.1 KiB
67 lines
1.1 KiB
#! /usr/bin/bash
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pin_rot=17 # z.B. Pin 11 (BCM 17)
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pin_gelb=27 # z.B. Pin 13 (BCM 27)
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pin_gruen=22 # z.B. Pin 15 (BCM 22)
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state_rot=0
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state_gelb=0
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state_gruen=0
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gpiochip="gpiochip0"
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function resetPins() {
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echo "Ampel aus"
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gpioset "${gpiochip}" ${pin_rot}=0 ${pin_gelb}=0 ${pin_gruen}=0
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}
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function setPins() {
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gpioset "${gpiochip}" ${pin_rot}=${state_rot}
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gpioset "${gpiochip}" ${pin_gelb}=${state_gelb}
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gpioset "${gpiochip}" ${pin_gruen}=${state_gruen}
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}
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function ampel() {
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case ${1} in
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1)
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echo "Ampelphase rot"
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state_rot=1
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state_gelb=0
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state_gruen=0
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setPins
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sleep 5
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;;
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2)
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echo "Ampelphase rot/gelb"
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state_rot=1
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state_gelb=1
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state_gruen=0
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setPins
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sleep 1
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;;
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3)
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echo "Ampelphase grün"
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state_rot=0
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state_gelb=0
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state_gruen=1
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setPins
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sleep 3
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;;
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4)
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echo "Ampelphase gelb"
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state_rot=0
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state_gelb=1
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state_gruen=0
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setPins
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sleep 2
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;;
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esac
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}
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for i in 1 2 3 4; do
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ampel "${i}"
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done
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resetPins
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