don't setup (export/unexport) gpio pins on execution
This fixes the issue that the new firmware recreates the whole gpio file structure on unexport/export so the ownership of all files is root:root and the gpio group is dropped. Because of this all unexport is removed from the calling scripts and a setup script is added that needs to be invoked once after startup.
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parent
cb0191c921
commit
700e848e9a
5
lock
5
lock
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@ -2,12 +2,7 @@
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. $(dirname $(readlink "$0"))/shared
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. $(dirname $(readlink "$0"))/shared
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echo "Initializing Space Systems..."
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echo "Initializing Space Systems..."
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echo "22" > /sys/class/gpio/unexport
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echo "22" > /sys/class/gpio/export
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sleep 0.5
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echo "Securing Communication to Space Systems..."
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echo "Securing Communication to Space Systems..."
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echo "out" > /sys/class/gpio/gpio22/direction
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sleep 0.5
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echo "Open Communication Channel..."
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echo "Open Communication Channel..."
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# Silent, Output to /dev/null, Timeout after 5s and retry 12 times, each doubling the waitingtime until ten minutes.
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# Silent, Output to /dev/null, Timeout after 5s and retry 12 times, each doubling the waitingtime until ten minutes.
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nohup curl -s -o /dev/null -m 5 --connect-timeout 5 --retry 12 "https://hamburg.ccc.de/dooris/status.php?apikey=${password}&action=close" >/dev/null 2>&1 &
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nohup curl -s -o /dev/null -m 5 --connect-timeout 5 --retry 12 "https://hamburg.ccc.de/dooris/status.php?apikey=${password}&action=close" >/dev/null 2>&1 &
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16
setup
Executable file
16
setup
Executable file
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@ -0,0 +1,16 @@
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#!/bin/sh
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echo "Setting up gpio: unlock"
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echo "27" > /sys/class/gpio/unexport
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echo "27" > /sys/class/gpio/export
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echo "out" > /sys/class/gpio/gpio27/direction
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chown -R root:gpio /sys/class/gpio/gpio27/*
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chmod g+w /sys/class/gpio/gpio27/*
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echo "Setting up gpio: lock"
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echo "27" > /sys/class/gpio/unexport
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echo "22" > /sys/class/gpio/unexport
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echo "22" > /sys/class/gpio/export
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echo "out" > /sys/class/gpio/gpio22/direction
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chown -R root:gpio /sys/class/gpio/gpio22/*
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chmod g+w /sys/class/gpio/gpio22/*
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5
unlock
5
unlock
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@ -2,12 +2,7 @@
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. $(dirname $(readlink "$0"))/shared
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. $(dirname $(readlink "$0"))/shared
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echo "Initializing Space Systems..."
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echo "Initializing Space Systems..."
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echo "27" > /sys/class/gpio/unexport
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echo "27" > /sys/class/gpio/export
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sleep 0.5
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echo "Securing Communication to Space Systems..."
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echo "Securing Communication to Space Systems..."
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echo "out" > /sys/class/gpio/gpio27/direction
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sleep 0.5
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echo "Open Communication Channel..."
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echo "Open Communication Channel..."
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nohup curl -s -o /dev/null -m 5 --connect-timeout 5 --retry 12 "https://hamburg.ccc.de/dooris/status.php?apikey=${password}&action=open" >/dev/null 2>&1 &
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nohup curl -s -o /dev/null -m 5 --connect-timeout 5 --retry 12 "https://hamburg.ccc.de/dooris/status.php?apikey=${password}&action=open" >/dev/null 2>&1 &
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echo "Unlocking Space..."
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echo "Unlocking Space..."
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