From 7cd5c7da35ac8f7e5596e4133c85e1f24e66f418 Mon Sep 17 00:00:00 2001
From: Tomas Mudrunka <tomas@mudrunka.cz>
Date: Thu, 2 Aug 2012 21:48:46 +0200
Subject: [PATCH] Sleepmon gnuplot graphing

---
 c/goertzel/README.md    |  1 +
 c/goertzel/sleepmon.sh  |  5 +++--
 c/goertzel/sleepplot.sh | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100755 c/goertzel/sleepplot.sh

diff --git a/c/goertzel/README.md b/c/goertzel/README.md
index a21b5cc..d32a00b 100644
--- a/c/goertzel/README.md
+++ b/c/goertzel/README.md
@@ -18,6 +18,7 @@ Scriptable tone detection and audio analysis
   * **histogram.sh**: example using histogram.pl to draw realtime equalizer
   * **sleepmon.sh**: Generates frequency on soundcard output and detects it on input
      * Can be used to detect and log motion using soundcard and PIR sensor or NC switch
+  * **sleepplot.sh*: Generates gnuplot graph from sleeplog
   * TODO
      * Guitar tuner
      * Send me more...
diff --git a/c/goertzel/sleepmon.sh b/c/goertzel/sleepmon.sh
index 4896e87..87967dd 100755
--- a/c/goertzel/sleepmon.sh
+++ b/c/goertzel/sleepmon.sh
@@ -28,10 +28,10 @@ arecord | ./goertzel -n i -q -l c -t $tresh -d 4 | while read line; do
 	level="$(echo "$line" | cut -f 2)"
 	echo -ne "$time\t$date\t$(date '+%F%t%T')\t"
 	test "$level" -gt "$tresh" && {
-		echo -n "Nothing detected...";
+		echo -n "0 Nothing detected...";
 		$screen && xset dpms force off || true;
 	} || {
-		echo -n "Motion detected!!!!";
+		echo -n "1 Motion detected!!!!";
 		$screen && xset dpms force on;
 	}
 	test "$lastdate" != 0 && {
@@ -39,6 +39,7 @@ arecord | ./goertzel -n i -q -l c -t $tresh -d 4 | while read line; do
 		echo -ne "\t$level After $after secs";
 	}
 	echo;
+	./sleepplot.sh "$out" &>/dev/null;
 	lastdate="$date";
 done | tee "$out"
 kill $!
diff --git a/c/goertzel/sleepplot.sh b/c/goertzel/sleepplot.sh
new file mode 100755
index 0000000..09fd050
--- /dev/null
+++ b/c/goertzel/sleepplot.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+test -z "$1" && {
+	echo "Usage: $0 sleeplog.txt"
+	exit 23
+}
+
+size="$(tail -n 1 "$1" | cut -d . -f 1)"
+test $size -gt 3600 && size="$(( $size/10 ))" #For prolonged periods
+size="$(( 200 + ($size * 2) ))"
+
+gnuplot << EOF
+set output "$1.png"
+set terminal png size $size,200
+
+set title "Sleep motions"
+set xlabel "time"
+set ylabel "motion"
+
+set yrange [-0.5:1.5]
+
+set xdata time
+set timefmt "%s"
+#set format x "%H:%M:%S"
+
+#set y2tics 300
+#set ytics 5
+
+set grid
+
+#set pointsize 0.5
+plot "$1" using 2:5 with histeps;
+
+EOF
+
+
+
+
-- 
2.30.2