diff --git a/.idea/artifacts/KCC_App_jar.xml b/.idea/artifacts/KCC_App_jar.xml
new file mode 100644
index 0000000..7625c09
--- /dev/null
+++ b/.idea/artifacts/KCC_App_jar.xml
@@ -0,0 +1,10 @@
+<component name="ArtifactManager">
+  <artifact type="jar" name="KCC_App:jar">
+    <output-path>$PROJECT_DIR$/out/artifacts/KCC_App_jar</output-path>
+    <root id="archive" name="KCC_App.jar">
+      <element id="module-output" name="KCC_App" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/github/purejavacomm/purejavacomm/1.0.2.RELEASE/purejavacomm-1.0.2.RELEASE.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/net/java/dev/jna/jna/4.2.2/jna-4.2.2.jar" path-in-jar="/" />
+    </root>
+  </artifact>
+</component>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5551541..0992a60 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,7 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="ArtifactsWorkspaceSettings">
+    <artifacts-to-build>
+      <artifact name="KCC_App:jar" />
+    </artifacts-to-build>
+  </component>
   <component name="ChangeListManager">
-    <list default="true" id="cdb932d9-7e58-4d94-93a9-e7b232ef17da" name="Default" comment="" />
+    <list default="true" id="cdb932d9-7e58-4d94-93a9-e7b232ef17da" name="Default" comment="">
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/src/sample/Commend.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/out/production/KCC_App/sample/Controller.class" afterPath="$PROJECT_DIR$/out/production/KCC_App/sample/Controller.class" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/out/production/KCC_App/sample/Port.class" afterPath="$PROJECT_DIR$/out/production/KCC_App/sample/Port.class" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/out/production/KCC_App/sample/sample.fxml" afterPath="$PROJECT_DIR$/out/production/KCC_App/sample/sample.fxml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/sample/Controller.java" afterPath="$PROJECT_DIR$/src/sample/Controller.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/sample/Port.java" afterPath="$PROJECT_DIR$/src/sample/Port.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/sample/sample.fxml" afterPath="$PROJECT_DIR$/src/sample/sample.fxml" />
+    </list>
     <ignored path="JavaFxApplication.iws" />
     <ignored path=".idea/workspace.xml" />
     <ignored path="$PROJECT_DIR$/out/" />
@@ -61,7 +75,7 @@
       <file leaf-file-name="Main.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/sample/Main.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="221">
+            <state relative-caret-position="0">
               <caret line="13" column="48" lean-forward="false" selection-start-line="13" selection-start-column="48" selection-end-line="13" selection-end-column="48" />
               <folding>
                 <element signature="imports" expanded="true" />
@@ -70,25 +84,40 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="Controller.java" pinned="false" current-in-tab="false">
+      <file leaf-file-name="Controller.java" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="522">
-              <caret line="48" column="9" lean-forward="true" selection-start-line="48" selection-start-column="9" selection-end-line="48" selection-end-column="9" />
+            <state relative-caret-position="425">
+              <caret line="164" column="0" lean-forward="false" selection-start-line="164" selection-start-column="0" selection-end-line="164" selection-end-column="0" />
               <folding>
                 <element signature="imports" expanded="true" />
-                <element signature="e#2347#2348#0" expanded="true" />
-                <element signature="e#2374#2375#0" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="Port.java" pinned="false" current-in-tab="true">
+      <file leaf-file-name="Commend.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/sample/Commend.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="119">
+              <caret line="7" column="43" lean-forward="false" selection-start-line="7" selection-start-column="43" selection-end-line="7" selection-end-column="43" />
+              <folding>
+                <element signature="e#270#271#0" expanded="true" />
+                <element signature="e#302#303#0" expanded="true" />
+                <element signature="e#332#333#0" expanded="true" />
+                <element signature="e#360#361#0" expanded="true" />
+                <element signature="e#400#401#0" expanded="true" />
+                <element signature="e#434#435#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="Port.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/sample/Port.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-1535">
-              <caret line="43" column="123" lean-forward="false" selection-start-line="43" selection-start-column="123" selection-end-line="43" selection-end-column="123" />
+            <state relative-caret-position="137">
+              <caret line="159" column="0" lean-forward="false" selection-start-line="159" selection-start-column="0" selection-end-line="159" selection-end-column="0" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -96,6 +125,19 @@
           </provider>
         </entry>
       </file>
+      <file leaf-file-name="sample.fxml" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+          <provider editor-type-id="JavaFX-Scene-Builder">
+            <state />
+          </provider>
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="416">
+              <caret line="76" column="81" lean-forward="false" selection-start-line="76" selection-start-column="81" selection-end-line="76" selection-end-column="81" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -123,8 +165,9 @@
       <list>
         <option value="$PROJECT_DIR$/src/sample/Main.java" />
         <option value="$PROJECT_DIR$/src/sample/sample.fxml" />
-        <option value="$PROJECT_DIR$/src/sample/Port.java" />
+        <option value="$PROJECT_DIR$/src/sample/Commend.java" />
         <option value="$PROJECT_DIR$/src/sample/Controller.java" />
+        <option value="$PROJECT_DIR$/src/sample/Port.java" />
       </list>
     </option>
   </component>
@@ -153,6 +196,9 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="PackagesPane" />
+      <pane id="Scope" />
+      <pane id="AndroidView" />
       <pane id="Scratches" />
       <pane id="ProjectPane">
         <subPane>
@@ -180,9 +226,6 @@
           <select />
         </subPane>
       </pane>
-      <pane id="PackagesPane" />
-      <pane id="AndroidView" />
-      <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -196,7 +239,7 @@
     <property name="GoToClass.includeLibraries" value="false" />
     <property name="dynamic.classpath" value="false" />
     <property name="MemberChooser.copyJavadoc" value="false" />
-    <property name="project.structure.last.edited" value="Libraries" />
+    <property name="project.structure.last.edited" value="Artifacts" />
     <property name="project.structure.proportion" value="0.15" />
     <property name="project.structure.side.proportion" value="0.2" />
     <property name="Downloaded.Files.Path.Enabled" value="false" />
@@ -361,17 +404,17 @@
       <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.00821018" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.32840723" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="8" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.2677761" sideWeight="0.6703755" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.2753404" sideWeight="0.6703755" order="0" side_tool="false" content_ui="combo" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="UI Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.39901477" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32840723" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
@@ -396,7 +439,17 @@
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
-      <option name="time" value="14" />
+      <breakpoints>
+        <line-breakpoint enabled="true" type="java-method">
+          <url>file://$PROJECT_DIR$/src/sample/Port.java</url>
+          <line>150</line>
+          <properties class="sample.Port" method="SendComment">
+            <option name="EMULATED" value="true" />
+          </properties>
+          <option name="timeStamp" value="24" />
+        </line-breakpoint>
+      </breakpoints>
+      <option name="time" value="25" />
     </breakpoint-manager>
     <watches-manager />
   </component>
@@ -405,6 +458,104 @@
     <option name="FILTER_TARGETS" value="false" />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/sample/Main.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="153">
+          <caret line="13" column="48" lean-forward="false" selection-start-line="13" selection-start-column="48" selection-end-line="13" selection-end-column="48" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1071">
+          <caret line="71" column="5" lean-forward="false" selection-start-line="71" selection-start-column="5" selection-end-line="71" selection-end-column="5" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/Port.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="2618">
+          <caret line="156" column="20" lean-forward="false" selection-start-line="156" selection-start-column="20" selection-end-line="156" selection-end-column="20" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="jar://C:/Program Files/Java/jdk-9.0.1/lib/src.zip!/java.base/java/io/InputStream.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1173">
+          <caret line="69" column="24" lean-forward="false" selection-start-line="69" selection-start-column="24" selection-end-line="69" selection-end-column="24" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="714">
+          <caret line="42" column="58" lean-forward="false" selection-start-line="42" selection-start-column="58" selection-end-line="42" selection-end-column="58" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/Main.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="153">
+          <caret line="13" column="48" lean-forward="false" selection-start-line="13" selection-start-column="48" selection-end-line="13" selection-end-column="48" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="952">
+          <caret line="56" column="56" lean-forward="true" selection-start-line="56" selection-start-column="56" selection-end-line="56" selection-end-column="56" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="238">
+          <caret line="14" column="108" lean-forward="false" selection-start-line="14" selection-start-column="108" selection-end-line="14" selection-end-column="108" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="jar://C:/Program Files/Java/jdk-9.0.1/lib/src.zip!/java.base/java/io/InputStream.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1173">
+          <caret line="69" column="24" lean-forward="false" selection-start-line="69" selection-start-column="24" selection-end-line="69" selection-end-column="24" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/Port.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="2618">
+          <caret line="156" column="20" lean-forward="true" selection-start-line="156" selection-start-column="20" selection-end-line="156" selection-end-column="20" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Main.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="153">
@@ -426,15 +577,15 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1020">
           <caret line="60" column="104" lean-forward="false" selection-start-line="60" selection-start-column="38" selection-end-line="60" selection-end-column="104" />
           <folding />
         </state>
       </provider>
-      <provider editor-type-id="JavaFX-Scene-Builder">
-        <state />
-      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -442,8 +593,6 @@
           <caret line="85" column="25" lean-forward="false" selection-start-line="85" selection-start-column="25" selection-end-line="85" selection-end-column="25" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -469,15 +618,15 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1020">
           <caret line="60" column="104" lean-forward="false" selection-start-line="60" selection-start-column="38" selection-end-line="60" selection-end-column="104" />
           <folding />
         </state>
       </provider>
-      <provider editor-type-id="JavaFX-Scene-Builder">
-        <state />
-      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -485,8 +634,6 @@
           <caret line="85" column="25" lean-forward="false" selection-start-line="85" selection-start-column="25" selection-end-line="85" selection-end-column="25" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -512,15 +659,15 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1020">
           <caret line="60" column="104" lean-forward="false" selection-start-line="60" selection-start-column="38" selection-end-line="60" selection-end-column="104" />
           <folding />
         </state>
       </provider>
-      <provider editor-type-id="JavaFX-Scene-Builder">
-        <state />
-      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -528,8 +675,6 @@
           <caret line="73" column="88" lean-forward="false" selection-start-line="73" selection-start-column="88" selection-end-line="73" selection-end-column="88" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -555,15 +700,15 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="323">
           <caret line="19" column="59" lean-forward="false" selection-start-line="19" selection-start-column="59" selection-end-line="19" selection-end-column="59" />
           <folding />
         </state>
       </provider>
-      <provider editor-type-id="JavaFX-Scene-Builder">
-        <state />
-      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -571,8 +716,6 @@
           <caret line="50" column="32" lean-forward="false" selection-start-line="50" selection-start-column="32" selection-end-line="50" selection-end-column="32" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -598,15 +741,15 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="595">
           <caret line="35" column="83" lean-forward="true" selection-start-line="35" selection-start-column="83" selection-end-line="35" selection-end-column="83" />
           <folding />
         </state>
       </provider>
-      <provider editor-type-id="JavaFX-Scene-Builder">
-        <state />
-      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -614,8 +757,6 @@
           <caret line="43" column="0" lean-forward="false" selection-start-line="43" selection-start-column="0" selection-end-line="43" selection-end-column="0" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -631,15 +772,15 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+      <provider editor-type-id="JavaFX-Scene-Builder">
+        <state />
+      </provider>
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="119">
           <caret line="7" column="11" lean-forward="true" selection-start-line="7" selection-start-column="11" selection-end-line="7" selection-end-column="11" />
           <folding />
         </state>
       </provider>
-      <provider editor-type-id="JavaFX-Scene-Builder">
-        <state />
-      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -647,8 +788,6 @@
           <caret line="4" column="0" lean-forward="true" selection-start-line="4" selection-start-column="0" selection-end-line="4" selection-end-column="0" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -664,7 +803,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="-534">
           <caret line="11" column="22" lean-forward="false" selection-start-line="11" selection-start-column="22" selection-end-line="11" selection-end-column="22" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -672,7 +810,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="17">
           <caret line="8863" column="0" lean-forward="false" selection-start-line="8863" selection-start-column="0" selection-end-line="8863" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -680,7 +817,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="113">
           <caret line="201" column="0" lean-forward="false" selection-start-line="201" selection-start-column="0" selection-end-line="201" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -688,7 +824,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="157">
           <caret line="3917" column="0" lean-forward="false" selection-start-line="3917" selection-start-column="0" selection-end-line="3917" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -696,57 +831,75 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="425">
           <caret line="198" column="0" lean-forward="false" selection-start-line="198" selection-start-column="0" selection-end-line="198" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
-    <entry file="jar://C:/Program Files/Java/jdk-9.0.1/lib/src.zip!/javafx.fxml/javafx/fxml/FXMLLoader.java">
+    <entry file="file://$PROJECT_DIR$/src/sample/Main.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="106">
-          <caret line="1670" column="0" lean-forward="false" selection-start-line="1670" selection-start-column="0" selection-end-line="1670" selection-end-column="0" />
+        <state relative-caret-position="0">
+          <caret line="13" column="48" lean-forward="false" selection-start-line="13" selection-start-column="48" selection-end-line="13" selection-end-column="48" />
           <folding>
-            <element signature="e#67760#67761#0" expanded="false" />
+            <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
+    <entry file="jar://C:/Program Files/Java/jdk-9.0.1/lib/src.zip!/java.base/java/io/InputStream.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="447">
-          <caret line="30" column="29" lean-forward="true" selection-start-line="30" selection-start-column="29" selection-end-line="30" selection-end-column="29" />
+        <state relative-caret-position="765">
+          <caret line="69" column="24" lean-forward="false" selection-start-line="69" selection-start-column="24" selection-end-line="69" selection-end-column="24" />
           <folding />
         </state>
       </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/sample.fxml">
       <provider editor-type-id="JavaFX-Scene-Builder">
         <state />
       </provider>
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="416">
+          <caret line="76" column="81" lean-forward="false" selection-start-line="76" selection-start-column="81" selection-end-line="76" selection-end-column="81" />
+          <folding />
+        </state>
+      </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
+    <entry file="file://$PROJECT_DIR$/src/sample/Commend.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="522">
-          <caret line="48" column="9" lean-forward="true" selection-start-line="48" selection-start-column="9" selection-end-line="48" selection-end-column="9" />
+        <state relative-caret-position="119">
+          <caret line="7" column="43" lean-forward="false" selection-start-line="7" selection-start-column="43" selection-end-line="7" selection-end-column="43" />
           <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="e#2347#2348#0" expanded="true" />
-            <element signature="e#2374#2375#0" expanded="true" />
+            <element signature="e#270#271#0" expanded="true" />
+            <element signature="e#302#303#0" expanded="true" />
+            <element signature="e#332#333#0" expanded="true" />
+            <element signature="e#360#361#0" expanded="true" />
+            <element signature="e#400#401#0" expanded="true" />
+            <element signature="e#434#435#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/sample/Main.java">
+    <entry file="file://$PROJECT_DIR$/src/sample/Port.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="221">
-          <caret line="13" column="48" lean-forward="false" selection-start-line="13" selection-start-column="48" selection-end-line="13" selection-end-column="48" />
+        <state relative-caret-position="137">
+          <caret line="159" column="0" lean-forward="false" selection-start-line="159" selection-start-column="0" selection-end-line="159" selection-end-column="0" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/sample/Port.java">
+    <entry file="jar://C:/Program Files/Java/jdk-9.0.1/lib/src.zip!/javafx.fxml/javafx/fxml/FXMLLoader.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="281">
+          <caret line="1790" column="0" lean-forward="false" selection-start-line="1790" selection-start-column="0" selection-end-line="1790" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/sample/Controller.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-1535">
-          <caret line="43" column="123" lean-forward="false" selection-start-line="43" selection-start-column="123" selection-end-line="43" selection-end-column="123" />
+        <state relative-caret-position="425">
+          <caret line="164" column="0" lean-forward="false" selection-start-line="164" selection-start-column="0" selection-end-line="164" selection-end-column="0" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
@@ -759,7 +912,7 @@
       <state key="ArtifactsStructureConfigurable.UI">
         <settings>
           <artifact-editor />
-          <last-edited>JavaFXApp</last-edited>
+          <last-edited>KCC_App:jar</last-edited>
           <splitter-proportions>
             <option name="proportions">
               <list>
diff --git a/out/artifacts/KCC_App_jar/KCC_App.7z b/out/artifacts/KCC_App_jar/KCC_App.7z
new file mode 100644
index 0000000..aa240fb
Binary files /dev/null and b/out/artifacts/KCC_App_jar/KCC_App.7z differ
diff --git a/out/artifacts/KCC_App_jar/KCC_App.jar b/out/artifacts/KCC_App_jar/KCC_App.jar
new file mode 100644
index 0000000..63b8ef3
Binary files /dev/null and b/out/artifacts/KCC_App_jar/KCC_App.jar differ
diff --git a/out/production/KCC_App/META-INF/MANIFEST.MF b/out/production/KCC_App/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..440fa71
--- /dev/null
+++ b/out/production/KCC_App/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: sample.Main
+
diff --git a/out/production/KCC_App/sample/Commend.class b/out/production/KCC_App/sample/Commend.class
new file mode 100644
index 0000000..4d9fd81
Binary files /dev/null and b/out/production/KCC_App/sample/Commend.class differ
diff --git a/out/production/KCC_App/sample/Controller.class b/out/production/KCC_App/sample/Controller.class
index 8b2a8cb..526bd25 100644
Binary files a/out/production/KCC_App/sample/Controller.class and b/out/production/KCC_App/sample/Controller.class differ
diff --git a/out/production/KCC_App/sample/Port.class b/out/production/KCC_App/sample/Port.class
index 88c707d..7d4ae7e 100644
Binary files a/out/production/KCC_App/sample/Port.class and b/out/production/KCC_App/sample/Port.class differ
diff --git a/out/production/KCC_App/sample/sample.fxml b/out/production/KCC_App/sample/sample.fxml
index eaf84a8..a7dc722 100644
--- a/out/production/KCC_App/sample/sample.fxml
+++ b/out/production/KCC_App/sample/sample.fxml
@@ -17,9 +17,14 @@
    <bottom>
       <HBox prefHeight="4.0" prefWidth="600.0" BorderPane.alignment="CENTER">
          <children>
+            <Button fx:id="openBtn" mnemonicParsing="false" onAction="#onOpen" prefHeight="31.0" prefWidth="47.0" text="OPEN">
+               <HBox.margin>
+                  <Insets bottom="10.0" left="10.0" top="10.0" />
+               </HBox.margin>
+            </Button>
             <Button fx:id="startBtn" mnemonicParsing="false" onAction="#onStartAction" prefHeight="27.0" prefWidth="60.0" text="START">
                <HBox.margin>
-                  <Insets bottom="10.0" left="15.0" right="10.0" top="10.0" />
+                  <Insets bottom="10.0" left="5.0" right="5.0" top="10.0" />
                </HBox.margin>
                <padding>
                   <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
@@ -33,7 +38,7 @@
                   <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
                </padding>
             </Button>
-            <VBox prefHeight="47.0" prefWidth="139.0">
+            <VBox prefHeight="47.0" prefWidth="83.0">
                <children>
                   <Label alignment="CENTER" prefHeight="17.0" prefWidth="150.0" text="COM port:" textAlignment="CENTER">
                      <VBox.margin>
@@ -65,4 +70,16 @@
          </children>
       </VBox>
    </top>
+   <right>
+      <VBox prefHeight="200.0" prefWidth="100.0" BorderPane.alignment="CENTER">
+         <children>
+            <Label prefHeight="17.0" prefWidth="99.0" text="Choose trigger" />
+            <RadioButton fx:id="internal" mnemonicParsing="false" onAction="#onChooseMode" text="Internal" />
+            <RadioButton fx:id="external" mnemonicParsing="false" onAction="#onChooseMode" text="External" />
+         </children>
+         <padding>
+            <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+         </padding>
+      </VBox>
+   </right>
 </BorderPane>
diff --git a/src/META-INF/MANIFEST.MF b/src/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..440fa71
--- /dev/null
+++ b/src/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: sample.Main
+
diff --git a/src/sample/Commend.java b/src/sample/Commend.java
new file mode 100644
index 0000000..4a9915e
--- /dev/null
+++ b/src/sample/Commend.java
@@ -0,0 +1,29 @@
+package sample;
+
+public class Commend {
+
+    byte type;
+    byte value;
+
+    public Commend(byte type, byte value) {
+        this.type = type;
+        this.value = value;
+    }
+
+    public byte getType() {
+
+        return type;
+    }
+
+    public void setType(byte type) {
+        this.type = type;
+    }
+
+    public byte getValue() {
+        return value;
+    }
+
+    public void setValue(byte value) {
+        this.value = value;
+    }
+}
diff --git a/src/sample/Controller.java b/src/sample/Controller.java
index 5f34a6f..ed2b5bd 100644
--- a/src/sample/Controller.java
+++ b/src/sample/Controller.java
@@ -2,14 +2,17 @@
 
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
 import javafx.scene.control.*;
 import javafx.scene.input.MouseEvent;
 import purejavacomm.CommPortIdentifier;
 
+import java.net.URL;
 import java.util.Enumeration;
+import java.util.ResourceBundle;
 
 
-public class Controller {
+public class Controller implements Initializable{
 
     @FXML
     private TextArea log;
@@ -21,9 +24,17 @@ public class Controller {
     private Button startBtn;
     @FXML
     private Button stopBtn;
+    @FXML
+    private Button openBtn;
+    @FXML
+    private RadioButton internal;
+    @FXML
+    private RadioButton external;
 
     private String chosenCom;
 
+    final ToggleGroup group = new ToggleGroup();
+
     private String units;
 
     float frequency=200000000;
@@ -50,23 +61,14 @@ public static Controller getInstance(){
     }
 
     public void onStartAction(ActionEvent actionEvent) {
-        if(null!=com.getSelectionModel().getSelectedItem()){
-            String comPort = com.getSelectionModel().getSelectedItem();
-            Port.getInstance().open(comPort);
-            Port.getInstance().sendStart();
-            long impulses=Port.getInstance().readTime();
-            float time=calculateTime(impulses);
-            log("Estimated time is: "+time+" " +units +"\n");
-            Port.getInstance().sendStop();
-            Port.getInstance().close();
-        }
-        else{
-            Alert alert = new Alert(Alert.AlertType.ERROR);
-            alert.setTitle("COM port has not been chosen");
-            alert.setHeaderText("To open the port you have to choose a COM port");
-            alert.setContentText("Please, choose a COM port");
-            alert.showAndWait();
+        Port.getInstance().SendRead((byte)69);
+        long impulses = Port.getInstance().readTime();
+        if (impulses != 0) {
+            float time = calculateTime(impulses);
+            log("Estimated time is: " + time + " " + units + "\n");
         }
+        Port.getInstance().SendStop();
+
     }
 
     private float calculateTime(long impulses) {
@@ -119,4 +121,46 @@ public void onListPorts(MouseEvent mouseEvent) {
             com.getItems().add(ports.nextElement().getName());
         }
     }
+
+    public void onOpen(ActionEvent actionEvent) {
+        if(openBtn.getText().equals("OPEN")){
+            if(null!=com.getSelectionModel().getSelectedItem()) {
+                String comPort = com.getSelectionModel().getSelectedItem();
+                Port.getInstance().open(comPort);
+                openBtn.setText("CLOSE");
+                startBtn.setDisable(false);
+            }
+            else{
+                Alert alert = new Alert(Alert.AlertType.ERROR);
+                alert.setTitle("COM port has not been chosen");
+                alert.setHeaderText("To open the port you have to choose a COM port");
+                alert.setContentText("Please, choose a COM port");
+                alert.showAndWait();
+            }
+        }
+        else{
+                Port.getInstance().close();
+                openBtn.setText("OPEN");
+                startBtn.setDisable(true);
+        }
+    }
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+        internal.setToggleGroup(group);
+        external.setToggleGroup(group);
+        internal.setSelected(true);
+        startBtn.setDisable(true);
+    }
+
+    public void onChooseMode(ActionEvent actionEvent) {
+        if(!internal.isSelected()){
+            Port.getInstance().SendComment(new Commend((byte)96,(byte)0));
+        }
+        else{
+            Port.getInstance().SendComment(new Commend((byte)96,(byte)1));
+
+        }
+        Port.getInstance().SendStop();
+    }
 }
diff --git a/src/sample/Port.java b/src/sample/Port.java
index 3d9dac1..2dc9f97 100644
--- a/src/sample/Port.java
+++ b/src/sample/Port.java
@@ -71,15 +71,6 @@ public boolean close() {
         }
     }
 
-    public void sendStart(){
-        try{
-            serialPort.getOutputStream().write(66);
-        }
-        catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
     private byte readOneByte(){
         byte oneByte;
 
@@ -101,47 +92,55 @@ public long readTime() {
             Stop=false;
             while (!Stop)
             {
-                data = readOneByte();
+                try {
+                    data = readOneByte();
 
-                if ( 0 > data )
-                {
-                    break;
-                }
-                if (data==1){
-                    numberOfBytes++;
-                    while(numberOfBytes!=0){
-                        switch(numberOfBytes){
-                            case 1:
-                                data=readOneByte();
-                                unsignedData=(data&0xFF);
-                                time=time|(unsignedData<<32);
-                                numberOfBytes++;
-                                break;
-                            case 2:
-                                data=readOneByte();
-                                unsignedData=(data&0xFF);
-                                time=time|(unsignedData<<24);
-                                numberOfBytes++;
-                                break;
-                            case 3:
-                                data=readOneByte();
-                                unsignedData=(data&0xFF);
-                                time=time|(unsignedData<<16);                            numberOfBytes++;
-                                break;
-                            case 4:
-                                data=readOneByte();
-                                unsignedData=(data&0xFF);
-                                time=time|(unsignedData<<8);                            numberOfBytes++;
-                                break;
-                            case 5:
-                                data=readOneByte();
-                                unsignedData=(data&0xFF);
-                                time=time|(unsignedData);
-                                numberOfBytes=0;
-                                Stop=true;
-                                break;
+                    if (0 > data) {
+                        break;
+                    }
+                    if (data == 1) {
+                        numberOfBytes++;
+                        while (numberOfBytes != 0) {
+                            switch (numberOfBytes) {
+                                case 1:
+                                    data = readOneByte();
+                                    unsignedData = (data & 0xFF);
+                                    time = time | (unsignedData << 32);
+                                    numberOfBytes++;
+                                    break;
+                                case 2:
+                                    data = readOneByte();
+                                    unsignedData = (data & 0xFF);
+                                    time = time | (unsignedData << 24);
+                                    numberOfBytes++;
+                                    break;
+                                case 3:
+                                    data = readOneByte();
+                                    unsignedData = (data & 0xFF);
+                                    time = time | (unsignedData << 16);
+                                    numberOfBytes++;
+                                    break;
+                                case 4:
+                                    data = readOneByte();
+                                    unsignedData = (data & 0xFF);
+                                    time = time | (unsignedData << 8);
+                                    numberOfBytes++;
+                                    break;
+                                case 5:
+                                    data = readOneByte();
+                                    unsignedData = (data & 0xFF);
+                                    time = time | (unsignedData);
+                                    numberOfBytes = 0;
+                                    Stop = true;
+                                    break;
+                            }
                         }
                     }
+
+                }
+                catch(Exception exe){
+                    Controller.getInstance().log("Unable to receive data, try again \n");
+                    return 0;
                 }
             }
         }
@@ -149,12 +148,29 @@ public long readTime() {
         return time;
     }
 
-    public void sendStop() {
+    public void SendComment(Commend commend){
         try{
-            serialPort.getOutputStream().write(0);
+            serialPort.getOutputStream().write(commend.type);
+            serialPort.getOutputStream().write(commend.value);
+
         }
         catch (IOException e) {
             e.printStackTrace();
         }
     }
+
+    public void SendRead(byte b) {
+        try {
+            serialPort.getOutputStream().write(b);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+    public void SendStop(){
+        try {
+            serialPort.getOutputStream().write(0);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 }
diff --git a/src/sample/sample.fxml b/src/sample/sample.fxml
index eaf84a8..a7dc722 100644
--- a/src/sample/sample.fxml
+++ b/src/sample/sample.fxml
@@ -17,9 +17,14 @@
    <bottom>
       <HBox prefHeight="4.0" prefWidth="600.0" BorderPane.alignment="CENTER">
          <children>
+            <Button fx:id="openBtn" mnemonicParsing="false" onAction="#onOpen" prefHeight="31.0" prefWidth="47.0" text="OPEN">
+               <HBox.margin>
+                  <Insets bottom="10.0" left="10.0" top="10.0" />
+               </HBox.margin>
+            </Button>
             <Button fx:id="startBtn" mnemonicParsing="false" onAction="#onStartAction" prefHeight="27.0" prefWidth="60.0" text="START">
                <HBox.margin>
-                  <Insets bottom="10.0" left="15.0" right="10.0" top="10.0" />
+                  <Insets bottom="10.0" left="5.0" right="5.0" top="10.0" />
                </HBox.margin>
                <padding>
                   <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
@@ -33,7 +38,7 @@
                   <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
                </padding>
             </Button>
-            <VBox prefHeight="47.0" prefWidth="139.0">
+            <VBox prefHeight="47.0" prefWidth="83.0">
                <children>
                   <Label alignment="CENTER" prefHeight="17.0" prefWidth="150.0" text="COM port:" textAlignment="CENTER">
                      <VBox.margin>
@@ -65,4 +70,16 @@
          </children>
       </VBox>
    </top>
+   <right>
+      <VBox prefHeight="200.0" prefWidth="100.0" BorderPane.alignment="CENTER">
+         <children>
+            <Label prefHeight="17.0" prefWidth="99.0" text="Choose trigger" />
+            <RadioButton fx:id="internal" mnemonicParsing="false" onAction="#onChooseMode" text="Internal" />
+            <RadioButton fx:id="external" mnemonicParsing="false" onAction="#onChooseMode" text="External" />
+         </children>
+         <padding>
+            <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+         </padding>
+      </VBox>
+   </right>
 </BorderPane>