2021-05-05 11:48:34 +08:00
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#!/bin/sh
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# Host where the smart USB hub is connected
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# (uhubctl must be installed on the host)
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export HOST=rpi-3
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export HOSTPORT=22
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# Hub port where the RedPitaya is connected
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export HUBPORT=4
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2021-05-07 17:31:25 +08:00
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# RedPitaya hostname and user information
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# (The user should have privilege to run `shutdown` - check out `visudo`)
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# (Add local SSH key to RP's authorized keys for passwordless login)
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2021-05-05 11:48:34 +08:00
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export RP_HOST=rp-f0612e
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2021-05-07 17:31:25 +08:00
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export RP_USER=tester
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export RP_KEY=~/.ssh/rp
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2021-05-05 11:48:34 +08:00
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# Issue shutdown on the RedPitaya
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2021-05-07 17:31:25 +08:00
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echo "Requesting shutdown on RP at $RP_HOST."
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if [[ $RP_KEY == "" ]]
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then
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ssh $RP_USER@$RP_HOST "sudo shutdown 0"
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else
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ssh -i $RP_KEY $RP_USER@$RP_HOST "sudo shutdown 0"
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fi
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2021-05-05 11:48:34 +08:00
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# Check if RedPitaya has been disconnected from network by pinging
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while ping $RP_HOST -c 1 >/dev/null 2>/dev/null
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do
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true
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done
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# Print time when RedPitaya is down on network
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TIMESTAMP_PRETTY=$(date '+%Y-%m-%d %H:%M:%S')
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echo "RP disconnected at $TIMESTAMP_PRETTY."
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# Wait 15 seconds
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sleep 15
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# Get power-off time & date
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TIMESTAMP_PRETTY=$(date '+%Y-%m-%d %H:%M:%S')
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# Power off RedPitaya connected to the smart USB hub
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# (assume that only 1 hub is connected)
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ssh -p $HOSTPORT $HOST "uhubctl -a off -p $HUBPORT"
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echo "RP powered off at $TIMESTAMP_PRETTY."
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