| 1 | #!/bin/sh |
| 2 | # Simple sleep monitor (Harvie 2012) |
| 3 | # |
| 4 | # You probably have soundcard with one output and input |
| 5 | # Take PIR motion sensor from security system |
| 6 | # Use PIR to switch connection between left channels of output and input (tips of 3.5mm jacks) |
| 7 | # Connect grounds of these two together (maybe you will not need it - depending on your soundcard) |
| 8 | # Power up PIR |
| 9 | # Launch this script |
| 10 | # Use alsamixer and some GUI recorder (like audacity) to tune volume to some usable level |
| 11 | # Place PIR facing to your bed and go sleep |
| 12 | # Wake up |
| 13 | # Enjoy your data |
| 14 | |
| 15 | |
| 16 | out=/tmp/sleeplog-"$(date +%F_%r)".txt |
| 17 | speaker-test -t sine &>/dev/null & |
| 18 | tresh=10 |
| 19 | lastdate=0 |
| 20 | screen=false |
| 21 | while getopts "s" OPT; do |
| 22 | test "$OPT" == 's' && screen=true; |
| 23 | done |
| 24 | arecord | ./goertzel -i -q -a -t $tresh -s 2000 | while read line; do |
| 25 | date="$(date +%s)" |
| 26 | time="$(echo "$line" | cut -f 1)" |
| 27 | level="$(echo "$line" | cut -f 2)" |
| 28 | echo -ne "$time\t$date\t$(date '+%F%t%r')\t" |
| 29 | test "$level" -gt "$tresh" && { |
| 30 | echo -n "Nothing detected..."; |
| 31 | $screen && xset dpms force off |
| 32 | } || { |
| 33 | echo -n "Motion detected!!!!"; |
| 34 | $screen && xset dpms force on |
| 35 | } |
| 36 | test "$lastdate" != 0 && { |
| 37 | after=$(( $date - $lastdate)) |
| 38 | echo -ne "\t$level After $after secs"; |
| 39 | } |
| 40 | echo; |
| 41 | lastdate="$date"; |
| 42 | done | tee "$out" |
| 43 | kill $! |
| 44 | echo "Your file: $out" |