38 lines
1.4 KiB
Bash
38 lines
1.4 KiB
Bash
#!/bin/bash
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# UNO Monitor Sender
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# kidacro@archamedis.net
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#
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# TTY Device to use
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TTY="/dev/ttyACM0"
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##########################################################
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round() {
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printf "%.${2}f" "${1}"
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}
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# Stats
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# we are limited to 2 lines and 16 chars per line so, light stats & no labels
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#CLOAD=$(mpstat | awk '$3 ~ /CPU/ { for(i=1;i<=NF;i++) { if ($i ~ /%idle/) field=i } } $3 ~ /all/ { printf("%d%%",100 - $field) }')
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#CLOAD=$(cat <(grep 'cpu ' /proc/stat) <(sleep 1 && grep 'cpu ' /proc/stat) | awk -v RS="" '{print ($13-$2+$15-$4)*100/($13-$2+$15-$4+$16-$5)}')
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CLOAD=$(awk '{u=$2+$4; t=$2+$4+$5; if (NR==1){u1=u; t1=t;} else print ($2+$4-u1) * 100 / (t-t1) "%"; }' <(grep 'cpu ' /proc/stat) <(sleep 0.5;grep 'cpu ' /proc/stat))
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CLOAD=$(round ${CLOAD} 0)%
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CTEMP=$(sensors | grep TSI0_TEMP: | tr '°+' ' ' | awk '{print $2}' | paste -sd ', ')
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MFREE=$(free -h | grep Mem | awk '{print $4}' | paste -sd ', ')
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RFREE=$(df -h | grep /dev/nvme0n1p3 | awk '{print $4}' | paste -sd ', ')
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LFREE=$(df -h | grep /dev/sda1 | awk '{print $4}' | paste -sd ', ')
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SFREE=$(df -h | grep /dev/mapper/store0-lvol1 | awk '{print $4}' | paste -sd ', ')
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# setup device
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stty -F $TTY ispeed 9600 ospeed 9600 -ignpar cs8 -cstopb -echo -hupcl
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# Line 1
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LINE1="#1$CLOAD $CTEMP $MFREE@"
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/usr/bin/echo "$LINE1" > $TTY # -ne
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echo Sending to $TTY: $LINE1
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# line 2
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LINE2="#2$RFREE $LFREE $SFREE@"
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/usr/bin/echo "$LINE2" > $TTY
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echo Sending to $TTY: $LINE2
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