Update script, added script with using wiringOP

Signed-off-by: Lev Rusanov <30170278+JDM170@users.noreply.github.com>

clean_bash/coolfan-control

@@ -2,17 +2,17 @@
 
 # Physical  | V | Mode | Name     | wPi | GPIO
 # 8         | 0 | OUT  | TXD.3    | 3   | 13
-readonly FAN_PIN=13
+readonly FAN_PIN="13"
 readonly FAN_PATH=/sys/class/gpio/gpio${FAN_PIN}
 
-readonly MSG_ON='Fan ON!'
-readonly MSG_OFF='Fan OFF!'
+readonly MSG_ON="Fan ON!"
+readonly MSG_OFF="Fan OFF!"
 old_state=$(cat $FAN_PATH/value)
 
-initialize()
+setup()
 {
     echo $FAN_PIN > /sys/class/gpio/export
-    echo 'out' > $FAN_PATH/direction
+    echo "out" > $FAN_PATH/direction
     echo 0 > $FAN_PATH/value
 }
 

coolfan-start

@@ -12,7 +12,7 @@ cleanup()
 
 trap cleanup 15
 
-/usr/bin/coolfan-control initialize
+/usr/bin/coolfan-control setup
 
 while :; do
     echo $$ > /var/run/coolfan.pid

using_wiringOP/coolfan-control

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# Physical  | V | Mode | Name     | wPi | GPIO
+# 8         | 0 | OUT  | TXD.3    | 3   | 13
+readonly FAN_PIN="3"
+
+readonly MSG_ON="Fan ON!"
+readonly MSG_OFF="Fan OFF!"
+
+setup()
+{
+    gpio export $FAN_PIN
+    gpio mode $FAN_PIN out
+    gpio write $FAN_PIN 0
+    old_state=$(gpio read $FAN_PIN)
+}
+
+cleanup()
+{
+    gpio write $FAN_PIN 0
+    gpio unexport $FAN_PIN
+}
+
+on()
+{
+    gpio write $FAN_PIN 1
+}
+
+off()
+{
+    gpio write $FAN_PIN 0
+}
+
+case $1 in
+    on|off) "$1";;
+esac
+
+cur_state=$(gpio read $FAN_PIN)
+
+if [ "$old_state" != "$cur_state" ] && [ -z "$2" ]; then
+    if [ "$cur_state" = 0 ]; then
+        echo $MSG_OFF
+    else
+        echo $MSG_ON
+    fi
+fi