added logfile to hc4_fancontrol

hc4_fancontrol.sh

@@ -6,15 +6,16 @@
 
 # Information (don't touch unless you're me)
 AUTHOR="david@socialnerds.org"
-VERSION="0.2.0"
+VERSION="0.2.1"
 LICENSE="GPLv3"
 
 # Configuration
-THRESHOLD=45000
+THRESHOLD=46000
 DISTANCE=1000
 INTERVAL=30
-STEPS=(80 120 160 210 255)
+STEPS=(120 160 210 255)
 FAN="/sys/class/hwmon/hwmon2/pwm1"
+LOGFILE="/var/log/hc4_fancontrol.log"
 
 # Get all temperature readings and return the highest value
 function get_temp() {
@@ -40,6 +41,9 @@ function set_speed() {
   local NEW_SPEED=$1
   if [ $CURRENT_SPEED -ne $NEW_SPEED ]; then
     echo $NEW_SPEED > $FAN
+    if [ -n $LOGFILE ]; then
+      echo "$(date +%Y%m%d-%H%M%S): Temp[$(get_temp)], Speed[$(get_speed)]" >> $LOGFILE
+    fi
     sleep 3
   fi
 }