From b85a0ea79815aa44f2c6737ce307100963762d7e Mon Sep 17 00:00:00 2001
From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Tue, 18 Feb 2020 20:37:41 +0100
Subject: [PATCH] make it quiet and create /dev/shm/audio with sox info

---
 audio2mqtt.sh             |  4 ++--
 system/audio2mqtt.service | 10 ++++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 system/audio2mqtt.service

diff --git a/audio2mqtt.sh b/audio2mqtt.sh
index af23cbb..ee76625 100755
--- a/audio2mqtt.sh
+++ b/audio2mqtt.sh
@@ -2,9 +2,9 @@
 
 while true ; do
 
-arecord -d 1 -r 96000 /dev/shm/tmp.wav
+arecord -d 1 -r 96000 /dev/shm/tmp.wav 2>/dev/null
 time=`date +'%s%N'`
-info=`sox /dev/shm/tmp.wav -n stat 2>&1 | grep '[0-9][0-9][0-9]*$' | sed -e 's/[()]//g' -e 's/: */=/' -e 's/  */_/g' | tr '\n' ',' | sed 's/[, ]*$//'`
+info=`sox /dev/shm/tmp.wav -n stat 2>&1 | grep '[0-9][0-9][0-9]*$' | sed -e 's/[()]//g' -e 's/: */=/' -e 's/  */_/g' | tee /dev/shm/audio | tr '\n' ',' | sed 's/[, ]*$//'`
 curl --silent -XPOST http://10.60.0.92:8086/write?db=rot13 --data-binary "fan,dc=trnjanska $info $time"
 
 done
diff --git a/system/audio2mqtt.service b/system/audio2mqtt.service
new file mode 100644
index 0000000..b4f0096
--- /dev/null
+++ b/system/audio2mqtt.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=audio to mqtt
+
+[Service]
+User=dpavlin
+ExecStart=/home/dpavlin/air-quality/audio2mqtt.sh
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
-- 
2.20.1