fixing renderText script

fantune.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+clear
+
+#################################################
+# change the following lines to match your system
+#################################################
+pwmcontrol=/sys/class/hwmon/hwmon1/device/pwm1
+fanrpmread=/sys/class/hwmon/hwmon1/device/fan1_input
+
+# do not edit below this line
+#################################################
+log=`pwd`/fandata.log
+echo "PWM,RPM" > $log
+
+echo "This script will set your PWM to values from full power down to 0 decreasing in"
+echo "approx 5 % steps and pausing 10 sec between steps to allow the fan RPM to catch"
+echo "up to the new settings.  Data are logged to ${log}"
+echo "which can be used to generate a graph or use as-is."
+
+collectdata() {
+  array=( 255 242 230 217 204 191 178 165 152 139 126 113 100 87 74 48 22 0 )
+  for item in ${array[*]}
+  do
+    echo $item > $pwmcontrol
+    sleep 10s
+    rpm=`cat ${fanrpmread}`
+    echo $item,$rpm >> $log
+    echo "PWM: ${item} RPM: ${rpm}"
+  done
+}
+
+/etc/rc.d/fancontrol stop
+echo "1" > ${pwmcontrol}_enable
+
+collectdata
+
+echo "0" > ${pwmcontrol}_enable
+/etc/rc.d/fancontrol start