103 lines
2.6 KiB
Bash
103 lines
2.6 KiB
Bash
#!/bin/bash
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# UNO Monitor Sender v.0.1.0
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# Kidacro <kidacro@archamedis.net>
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# https://kidacro.archamedis.net/git/kidacro/Arduino/src/branch/main/uno-stats-monitor
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#
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# monitor_sender.sh - Bash stats sender suitable for cron
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#
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# Input Schema:
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# Start char is: '#'
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# End char is: '@'
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# 2nd char denotes which line number/mode to use
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#
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# Setting Schema:
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# LCDLength:LCDRows:LCDDelay:LEDBrightness:LEDDelay
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# 16:2:5:0:3#
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#
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# Example:
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# Line 1: #1Archamedis Status@
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# Line 2: #299% free / etc.@
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# LAVG -: #324@
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# LSET 0: #016:2:5:0:3@
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#
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# Output Schema:
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# Multimedia Controls use single characters to denote which button was pressed
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# P power
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# M mute
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# m mode
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# p pause/play
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# b back
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# f forward
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# e eq
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# - vol down
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# + vol up
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# r return
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# u usb scan
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# 0 number 0
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# 1 number 1
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# 2 number 2
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# 3 number 3
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# 4 number 4
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# 5 number 5
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# 6 number 6
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# 7 number 7
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# 8 number 8
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# 9 number 9
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# R repeat
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# Z other button pressed
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# TTY Device to use
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TTY="/dev/ttyACM0"
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# Arduino Settings
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LCDLength=16
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LCDRows=2
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LCDDelay=5
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LEDBrightness=0
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LEDDelay=3
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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+$4-u1) * 100 / (t-t1) "%"; }' <(grep 'cpu ' /proc/stat) <(sleep 0.5;grep 'cpu ' /proc/stat))
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CLOAD=${CLOAD:0:-1}
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CLOAD=$(round ${CLOAD} 0)
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CTEMP=$(sensors | grep TSI0_TEMP: | tr '°+' ' ' | awk '{print $2}' | paste -sd ', ')C
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MFREE=$(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/sdc1 | 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 $TTY ispeed 9600 ospeed 9600 -ignpar cs8 -cstopb -echo -hupcl
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# send settings
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LINE0="#0$LCDLength:$LCDRows:$LCDDelay:$LEDBrightness:$LEDDelay@"
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/usr/bin/echo "$LINE0" > $TTY
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echo Sending to $TTY: $LINE0
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# line 1
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LINE1="#1$CLOAD% $CTEMP $MFREE@"
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/usr/bin/echo "$LINE1" > $TTY
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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: $LINE2
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# load average
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LINE3="#-$CLOAD@"
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/usr/bin/echo "$LINE3" > $TTY
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echo Sending to $TTY: $LINE3
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