diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/.cproject b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/.cproject
index 5b91ada..b4a6fcd 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/.cproject
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/.cproject
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?fileVersion 4.0.0?>
-
-<cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
 	<storageModule moduleId="org.eclipse.cdt.core.settings">
 		<cconfiguration id="com.arm.eclipse.build.config.baremetal.exe.debug.2085733085">
 			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="com.arm.eclipse.build.config.baremetal.exe.debug.2085733085" moduleId="org.eclipse.cdt.core.settings" name="Debug">
@@ -97,8 +95,10 @@
 	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
 		<project id="FreeRTOS_Demo.com.arm.eclipse.build.project.baremetal.exe.508091358" name="Bare-metal Executable" projectType="com.arm.eclipse.build.project.baremetal.exe"/>
 	</storageModule>
-	<storageModule moduleId="refreshScope" versionNumber="1">
-		<resource resourceType="PROJECT" workspacePath="/FreeRTOS_Demo"/>
+	<storageModule moduleId="refreshScope" versionNumber="2">
+		<configuration configurationName="Debug">
+			<resource resourceType="PROJECT" workspacePath="/FreeRTOS_Demo"/>
+		</configuration>
 	</storageModule>
 	<storageModule moduleId="scannerConfiguration">
 		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
@@ -110,4 +110,5 @@
 		</scannerConfigBuildInfo>
 	</storageModule>
 	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
 </cproject>
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewd b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewd
index 81e55ac..a29a4a9 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewd
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewd
@@ -45,11 +45,11 @@
         </option>
         <option>
           <name>MemFile</name>
-          <state>$TOOLKIT_DIR$\CONFIG\debugger\Renesas\R7S721000.ddf</state>
+          <state>$TOOLKIT_DIR$\CONFIG\debugger\Renesas\R7S721001.ddf</state>
         </option>
         <option>
           <name>RunToEnable</name>
-          <state>1</state>
+          <state>0</state>
         </option>
         <option>
           <name>RunToName</name>
@@ -89,7 +89,7 @@
         </option>
         <option>
           <name>OCLastSavedByProductVersion</name>
-          <state>7.10.1.6733</state>
+          <state>7.20.2.7418</state>
         </option>
         <option>
           <name>OCDownloadAttachToProgram</name>
@@ -1259,7 +1259,7 @@
         </option>
         <option>
           <name>CCXds100InterfaceList</name>
-          <version>1</version>
+          <version>2</version>
           <state>0</state>
         </option>
         <option>
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewp b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewp
index f0b9b6d..17ad6e7 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewp
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/RTOSDemo.ewp
@@ -87,7 +87,7 @@
         </option>
         <option>
           <name>OGLastSavedByProductVersion</name>
-          <state>7.10.1.6733</state>
+          <state>7.20.2.7418</state>
         </option>
         <option>
           <name>GeneralEnableMisra</name>
@@ -99,7 +99,7 @@
         </option>
         <option>
           <name>OGChipSelectEditMenu</name>
-          <state>R7S721000	Renesas R7S721000</state>
+          <state>R7S721001	Renesas R7S721001</state>
         </option>
         <option>
           <name>GenLowLevelInterface</name>
@@ -163,7 +163,7 @@
       <name>ICCARM</name>
       <archiveVersion>2</archiveVersion>
       <data>
-        <version>30</version>
+        <version>31</version>
         <wantNonLocal>1</wantNonLocal>
         <debug>1</debug>
         <option>
@@ -413,6 +413,10 @@
           <version>0</version>
           <state>0</state>
         </option>
+        <option>
+          <name>CCGuardCalls</name>
+          <state>1</state>
+        </option>
       </data>
     </settings>
     <settings>
@@ -714,11 +718,11 @@
         </option>
         <option>
           <name>IlinkIcfOverride</name>
-          <state>1</state>
+          <state>0</state>
         </option>
         <option>
           <name>IlinkIcfFile</name>
-          <state>$PROJ_DIR$\r7s721000.icf</state>
+          <state>$TOOLKIT_DIR$\config\linker\Renesas\r7s721001.icf</state>
         </option>
         <option>
           <name>IlinkIcfFileSlave</name>
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dbgdt b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dbgdt
index e64432a..bc1b042 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dbgdt
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dbgdt
@@ -39,7 +39,7 @@
       
       
       
-    <Wnd2>
+    <Wnd3>
         <Tabs>
           <Tab>
             <Identity>TabID-6824-27546</Identity>
@@ -55,7 +55,7 @@
           </Tab>
         <Tab><Identity>TabID-11794-23690</Identity><TabName>Find in Files</TabName><Factory>Find-in-Files</Factory><Session/></Tab></Tabs>
         
-      <SelectedTab>0</SelectedTab></Wnd2><Wnd3>
+      <SelectedTab>0</SelectedTab></Wnd3><Wnd4>
         <Tabs>
           <Tab>
             <Identity>TabID-17573-27549</Identity>
@@ -67,20 +67,20 @@
           </Tab>
         </Tabs>
         
-      <SelectedTab>0</SelectedTab></Wnd3></Windows>
+      <SelectedTab>0</SelectedTab></Wnd4><Wnd5><Tabs><Tab><Identity>TabID-8721-7680</Identity><TabName>Disassembly</TabName><Factory>Disassembly</Factory><Session/></Tab></Tabs><SelectedTab>0</SelectedTab></Wnd5></Windows>
     <Editor>
       
       
       
       
-    <Pane><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\main.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>122</YPos2><SelStart2>6677</SelStart2><SelEnd2>6677</SelEnd2></Tab><ActiveTab>0</ActiveTab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Full-Demo\main_full.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>410</YPos2><SelStart2>19389</SelStart2><SelEnd2>19389</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\..\Common\Minimal\QueueOverwrite.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>178</YPos2><SelStart2>8141</SelStart2><SelEnd2>8141</SelEnd2></Tab></Pane><ActivePane>0</ActivePane><Sizes><Pane><X>1000000</X><Y>1000000</Y></Pane></Sizes><SplitMode>1</SplitMode></Editor>
+    <Pane><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Full-Demo\main_full.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>64</YPos2><SelStart2>8123</SelStart2><SelEnd2>8123</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Blinky-Demo\main_blinky.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>64</YPos2><SelStart2>9979</SelStart2><SelEnd2>9979</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\main.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>112</YPos2><SelStart2>6090</SelStart2><SelEnd2>6090</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\cstartup.s</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>132</YPos2><SelStart2>5456</SelStart2><SelEnd2>5456</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\LowLevelInitialise.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>24</YPos2><SelStart2>1341</SelStart2><SelEnd2>1341</SelEnd2></Tab><ActiveTab>4</ActiveTab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\modules\armv7a_cp15_drv.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>727</YPos2><SelStart2>20604</SelStart2><SelEnd2>20604</SelEnd2></Tab></Pane><ActivePane>0</ActivePane><Sizes><Pane><X>1000000</X><Y>1000000</Y></Pane></Sizes><SplitMode>1</SplitMode></Editor>
     <Positions>
       
       
       
       
       
-    <Top><Row0><Sizes><Toolbar-0134b418><key>iaridepm.enu1</key></Toolbar-0134b418></Sizes></Row0><Row1><Sizes><Toolbar-13399d38><key>debuggergui.enu1</key></Toolbar-13399d38></Sizes></Row1></Top><Left><Row0><Sizes><Wnd3><Rect><Top>-2</Top><Left>-2</Left><Bottom>716</Bottom><Right>302</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>119048</sizeHorzCX><sizeHorzCY>203666</sizeHorzCY><sizeVertCX>180952</sizeVertCX><sizeVertCY>731161</sizeVertCY></Rect></Wnd3></Sizes></Row0></Left><Right><Row0><Sizes/></Row0></Right><Bottom><Row0><Sizes><Wnd2><Rect><Top>-2</Top><Left>-2</Left><Bottom>198</Bottom><Right>1682</Right><x>-2</x><y>-2</y><xscreen>1684</xscreen><yscreen>200</yscreen><sizeHorzCX>1002381</sizeHorzCX><sizeHorzCY>203666</sizeHorzCY><sizeVertCX>119048</sizeVertCX><sizeVertCY>203666</sizeVertCY></Rect></Wnd2></Sizes></Row0></Bottom><Float><Sizes/></Float></Positions>
+    <Top><Row0><Sizes><Toolbar-00D172A8><key>iaridepm.enu1</key></Toolbar-00D172A8></Sizes></Row0><Row1><Sizes><Toolbar-12B3ABF8><key>debuggergui.enu1</key></Toolbar-12B3ABF8></Sizes></Row1></Top><Left><Row0><Sizes><Wnd4><Rect><Top>-2</Top><Left>-2</Left><Bottom>718</Bottom><Right>302</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>119048</sizeHorzCX><sizeHorzCY>203252</sizeHorzCY><sizeVertCX>180952</sizeVertCX><sizeVertCY>731707</sizeVertCY></Rect></Wnd4></Sizes></Row0></Left><Right><Row0><Sizes><Wnd5><Rect><Top>-2</Top><Left>-2</Left><Bottom>718</Bottom><Right>699</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>119048</sizeHorzCX><sizeHorzCY>203252</sizeHorzCY><sizeVertCX>417262</sizeVertCX><sizeVertCY>731707</sizeVertCY></Rect></Wnd5></Sizes></Row0></Right><Bottom><Row0><Sizes><Wnd3><Rect><Top>-2</Top><Left>-2</Left><Bottom>198</Bottom><Right>1682</Right><x>-2</x><y>-2</y><xscreen>1684</xscreen><yscreen>200</yscreen><sizeHorzCX>1002381</sizeHorzCX><sizeHorzCY>203252</sizeHorzCY><sizeVertCX>119048</sizeVertCX><sizeVertCY>203252</sizeVertCY></Rect></Wnd3></Sizes></Row0></Bottom><Float><Sizes/></Float></Positions>
   </Desktop>
 </Project>
 
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dni b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dni
index 168f8bb..c22cb97 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dni
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.dni
@@ -14,7 +14,7 @@
 Watch1=_ 0 "" 0 "" 0 "" 0 "" 0 0 0 0
 CStepIntDis=_ 0
 [DebugChecksum]
-Checksum=1422761829
+Checksum=-1045357403
 [Jet]
 JetConnSerialNo=73866
 JetConnFoundProbes=
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.wsdt b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.wsdt
index fb28973..f5a6e5b 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.wsdt
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/IAR/settings/RTOSDemo.wsdt
@@ -64,14 +64,14 @@
       
       
       
-    <Pane><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\main.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>62</YPos2><SelStart2>6677</SelStart2><SelEnd2>6677</SelEnd2></Tab><ActiveTab>0</ActiveTab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Full-Demo\main_full.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>410</YPos2><SelStart2>19389</SelStart2><SelEnd2>19389</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Blinky-Demo\main_blinky.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>63</YPos2><SelStart2>0</SelStart2><SelEnd2>0</SelEnd2></Tab></Pane><ActivePane>0</ActivePane><Sizes><Pane><X>1000000</X><Y>1000000</Y></Pane></Sizes><SplitMode>1</SplitMode></Editor>
+    <Pane><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Full-Demo\main_full.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>64</YPos2><SelStart2>8123</SelStart2><SelEnd2>8123</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\Blinky-Demo\main_blinky.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>64</YPos2><SelStart2>0</SelStart2><SelEnd2>0</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\Source\main.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>112</YPos2><SelStart2>0</SelStart2><SelEnd2>0</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\cstartup.s</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>132</YPos2><SelStart2>5456</SelStart2><SelEnd2>5456</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\LowLevelInitialise.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>14</YPos2><SelStart2>1341</SelStart2><SelEnd2>1341</SelEnd2></Tab><ActiveTab>4</ActiveTab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\modules\armv7a_cp15_drv.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>727</YPos2><SelStart2>20604</SelStart2><SelEnd2>20604</SelEnd2></Tab></Pane><ActivePane>0</ActivePane><Sizes><Pane><X>1000000</X><Y>1000000</Y></Pane></Sizes><SplitMode>1</SplitMode></Editor>
     <Positions>
       
       
       
       
       
-    <Top><Row0><Sizes><Toolbar-013BA3C8><key>iaridepm.enu1</key></Toolbar-013BA3C8></Sizes></Row0></Top><Left><Row0><Sizes><Wnd2><Rect><Top>-2</Top><Left>-2</Left><Bottom>692</Bottom><Right>380</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>119048</sizeHorzCX><sizeHorzCY>203666</sizeHorzCY><sizeVertCX>227381</sizeVertCX><sizeVertCY>706721</sizeVertCY></Rect></Wnd2></Sizes></Row0></Left><Right><Row0><Sizes/></Row0></Right><Bottom><Row0><Sizes><Wnd3><Rect><Top>-2</Top><Left>-2</Left><Bottom>246</Bottom><Right>1682</Right><x>-2</x><y>-2</y><xscreen>1684</xscreen><yscreen>248</yscreen><sizeHorzCX>1002381</sizeHorzCX><sizeHorzCY>252546</sizeHorzCY><sizeVertCX>119048</sizeVertCX><sizeVertCY>203666</sizeVertCY></Rect></Wnd3></Sizes></Row0></Bottom><Float><Sizes/></Float></Positions>
+    <Top><Row0><Sizes><Toolbar-00D172A8><key>iaridepm.enu1</key></Toolbar-00D172A8></Sizes></Row0><Row1><Sizes/></Row1></Top><Left><Row0><Sizes><Wnd2><Rect><Top>-2</Top><Left>-2</Left><Bottom>693</Bottom><Right>380</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>119048</sizeHorzCX><sizeHorzCY>203252</sizeHorzCY><sizeVertCX>227381</sizeVertCX><sizeVertCY>706301</sizeVertCY></Rect></Wnd2></Sizes></Row0></Left><Right><Row0><Sizes/></Row0></Right><Bottom><Row0><Sizes><Wnd3><Rect><Top>-2</Top><Left>-2</Left><Bottom>247</Bottom><Right>1682</Right><x>-2</x><y>-2</y><xscreen>1684</xscreen><yscreen>249</yscreen><sizeHorzCX>1002381</sizeHorzCX><sizeHorzCY>253049</sizeHorzCY><sizeVertCX>119048</sizeVertCX><sizeVertCY>203252</sizeVertCY></Rect></Wnd3></Sizes></Row0></Bottom><Float><Sizes/></Float></Positions>
   </Desktop>
 </Workspace>
 
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/LEDs.c b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/LEDs.c
index 9fdaf7f..c284125 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/LEDs.c
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/LEDs.c
@@ -1,5 +1,5 @@
 /*
-    FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. 
+    FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
     All rights reserved
 
     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
@@ -64,7 +64,7 @@
 */
 
 /*-----------------------------------------------------------
- * Simple IO routines to control the LEDs.
+ * Simple IO routines to control an LED.
  *-----------------------------------------------------------*/
 
 /* Scheduler includes. */
@@ -81,17 +81,24 @@
 
 void vParTestInitialise( void )
 {
-	/* Initialise P4_10 for LED1. */
-	PORT4.PMCn.BIT.PMCn10 = 0;
-	PORT4.Pn.BIT.Pn10 = 1;
-	PORT4.PMn.BIT.PMn10 = 0;
-	PORT4.PIPCn.BIT.PIPCn10 = 0;
+	/* Initialise P7_01 for LED0. */
+	PORT7.PMCn.BIT.PMCn1 = 0;
+	PORT7.Pn.BIT.Pn1 = 1;
+	PORT7.PMn.BIT.PMn1 = 0;
+	PORT7.PIPCn.BIT.PIPCn1 = 0;
+}
+/*-----------------------------------------------------------*/
 
-	/* Initialise P4_11 for LED2. */
-	PORT4.PMCn.BIT.PMCn11 = 0;
-	PORT4.Pn.BIT.Pn11 = 1;
-	PORT4.PMn.BIT.PMn11 = 0;
-	PORT4.PIPCn.BIT.PIPCn11 = 0;
+void vParTestToggleLED( unsigned long ulLED )
+{
+	if( ulLED == 0 )
+	{
+		taskENTER_CRITICAL();
+		{
+			PORT7.Pn.BIT.Pn1 = !PORT7.Pn.BIT.Pn1;
+		}
+		taskEXIT_CRITICAL();
+	}
 }
 /*-----------------------------------------------------------*/
 
@@ -100,37 +107,13 @@
 	/* A high value turns the LED off. */
 	xValue = !xValue;
 
-	taskENTER_CRITICAL();
+	if( ulLED == 0 )
 	{
-		if( ulLED == 0 )
+		taskENTER_CRITICAL();
 		{
-			PORT4.Pn.BIT.Pn10 = xValue;
+			PORT7.Pn.BIT.Pn1 = xValue;
 		}
-
-		if( ulLED == 1 )
-		{
-			PORT4.Pn.BIT.Pn11 = xValue;
-		}
+		taskEXIT_CRITICAL();
 	}
-	taskEXIT_CRITICAL();
 }
 /*-----------------------------------------------------------*/
-
-void vParTestToggleLED( unsigned long ulLED )
-{
-	taskENTER_CRITICAL();
-	{
-		if( ulLED == 0 )
-		{
-			PORT4.Pn.BIT.Pn10 = !PORT4.Pn.BIT.Pn10;
-		}
-
-		if( ulLED == 1 )
-		{
-			PORT4.Pn.BIT.Pn11 = !PORT4.Pn.BIT.Pn11;
-		}
-	}
-	taskEXIT_CRITICAL();
-}
-/*-----------------------------------------------------------*/
-
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/RenesasFiles/common/vbar_init.s b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/RenesasFiles/common/vbar_init.s
index fe7e5e1..7a610b9 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/RenesasFiles/common/vbar_init.s
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/RenesasFiles/common/vbar_init.s
@@ -57,6 +57,14 @@
 ;	LDR r0, =||Image$$VECTOR_TABLE$$Base||
 	MCR p15, 0, r0, c12, c0, 0
 
+;===================================================================
+; Set low vectors
+;===================================================================
+
+    MRC  p15, 0, r0, c1, c0, 0   ;/* Read CP15 System Control register (SCTLR) */
+    BIC  r0, r0, #(0x1 << 13)    ;/* Clear V bit 13 to set Low Vectors  */
+    MCR  p15, 0, r0, c1, c0, 0   ;/* Write CP15 System Control register */
+    ISB
 	BX		lr
 
 	ENDFUNC
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/main.c b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/main.c
index d7136fe..1807a73 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/main.c
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/main.c
@@ -1,5 +1,5 @@
 /*
-    FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. 
+    FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
     All rights reserved
 
     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
diff --git a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/target_scripts/init_RZ-A1H.ds b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/target_scripts/init_RZ-A1H.ds
index b8c1e51..3300f21 100644
--- a/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/target_scripts/init_RZ-A1H.ds
+++ b/FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/target_scripts/init_RZ-A1H.ds
@@ -1,11 +1,10 @@
-stop
-pause 500
 reset
 stop
 #reset
 
 info memory
 memory S:0x00000000 S:0x07ffffff ro
+memory S:0x08000000 S:0x0fffffff cache
 memory S:0x3fffff80 S:0x3fffffff nocache noverify
 memory S:0xfcfe0000 S:0xfcfeffff nocache noverify
 
@@ -21,7 +20,8 @@
 
 # ;*Writing to On-Chip Data-Retention RAM is enabled.
 # ;SYSCR3.RRAMWE3=RRAMWE2=RRAMWE1=RRAMWE0=1
-mem set 0xfcfe0408 32 0xf
+memory set S:0xFCFE0408 0 {(unsigned char)0x0F}
+x/1b 0xfcfe0408
 
 ######################################
 # CS0 Port Setting					##
@@ -39,12 +39,6 @@
 mem set 0xfcfe3620 16 0x0000        # PFCE8
 mem set 0xfcfe3520 16 0x0000        # PFC8
 mem set 0xfcfe7220 16 0xffff        # PIPC8
-# P7_6(WE0#), P7_8(RD#), P7_0(CS0#),
-mem set 0xfcfe341c 16 0xff41        # PMC7
-mem set 0xfcfe3A1c 16 0x0000        # PFCAE7
-mem set 0xfcfe361c 16 0x0000        # PFCE7
-mem set 0xfcfe351c 16 0x0000        # PFC7
-mem set 0xfcfe721c 16 0xff41        # PIPC7
 # P3_7(CS1#),
 mem set 0xfcfe340c 16 0x0080        # PMC3
 mem set 0xfcfe3A0c 16 0x0080        # PFCAE3
@@ -52,4 +46,47 @@
 mem set 0xfcfe350c 16 0x0000        # PFC3
 mem set 0xfcfe720c 16 0x0080        # PIPC3
 
+# SRSR - SDRAM Setup?
+# P7_8(RD#), P7_7(WE1#), P7_6(WE0#), P7_5(RD/WR#), P7_4(CKE), P7_3(CAS#), P7_2(RAS#), P7_1(CS3#), P7_0(CS0#)
+mem set 0xfcfe341c 16 0xffff        # PMC7
+mem set 0xfcfe3A1c 16 0x0000        # PFCAE7
+mem set 0xfcfe361c 16 0x0000        # PFCE7
+mem set 0xfcfe351c 16 0x0000        # PFC7
+mem set 0xfcfe721c 16 0xffff        # PIPC7
+# P5_8(CS2#),
+mem set 0xfcfe3414 16 0x0100        # PMC5
+mem set 0xfcfe3A14 16 0x0100        # PFCAE5
+mem set 0xfcfe3614 16 0x0000        # PFCE5
+mem set 0xfcfe3514 16 0x0100        # PFC5
+mem set 0xfcfe7214 16 0x0100        # PIPC5
 
+# disable verify on SDRAM setup registers
+memory S:0x3fffc000 S:0x3fffffff nocache noverify
+
+######################################
+# CS2 SDRAM Setting                 ##
+######################################
+mem set 0x3fffc00c 32 0x00004C00    # CS2BCR - SDRAM
+mem set 0x3fffc030 32 0x00000080    # CS2WCR - SDRAM
+mem set 0x3fffd040 16 0x0000        # SDRAM_MODE_CS2
+
+######################################
+# CS3 SDRAM Setting                 ##
+######################################
+wait 0.5s
+mem set 0x3fffc010 32 0x00004C00    # CS3BCR - SDRAM
+mem set 0x3fffc034 32 0x00002492    # CS3WCR - SDRAM
+mem set 0x3fffc04c 32 0x00120812    # SDCR
+mem set 0x3fffc058 32 0xA55A0020    # RTCOR
+mem set 0x3fffc050 32 0xA55A0010    # RTCSR
+mem set 0x3fffe040 16 0x0000        # SDRAM_MODE_CS3
+# SRSR - SDRAM Setup?
+
+#SRSR - Not used - updated to include SDRAM setup
+# P7_6(WE0#), P7_8(RD#), P7_0(CS0#),
+#mem set 0xfcfe341c 16 0xff41        # PMC7
+#mem set 0xfcfe3A1c 16 0x0000        # PFCAE7
+#mem set 0xfcfe361c 16 0x0000        # PFCE7
+#mem set 0xfcfe351c 16 0x0000        # PFC7
+#mem set 0xfcfe721c 16 0xff41        # PIPC7
+#SRSR - Not used - updated to include SDRAM setup
diff --git a/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/FreeRTOSConfig.h b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/FreeRTOSConfig.h
index 9bcfed8..48937d2 100644
--- a/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/FreeRTOSConfig.h
+++ b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/FreeRTOSConfig.h
@@ -179,6 +179,12 @@
 void vAssertCalled( const char * pcFile, unsigned long ulLine );
 #define configASSERT( x ) if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ );
 
+/* If configTASK_RETURN_ADDRESS is not defined then a task that attempts to
+return from its implementing function will end up in a "task exit error"
+function - which contains a call to configASSERT().  However this can give GCC
+some problems when it tries to unwind the stack, as the exit error function has
+nothing to return to.  To avoid this define configTASK_RETURN_ADDRESS to 0.  */
+#define configTASK_RETURN_ADDRESS	NULL
 
 
 /****** Hardware specific settings. *******************************************/
diff --git a/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/main.c b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/main.c
index c09e405..de18fae 100644
--- a/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/main.c
+++ b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/main.c
@@ -176,8 +176,6 @@
 
 int main( void )
 {
-extern void main_lwIP( void );
-
 	/* Configure the hardware ready to run the demo. */
 	prvSetupHardware();
 
diff --git a/FreeRTOS/Demo/Common/include/serial.h b/FreeRTOS/Demo/Common/include/serial.h
index 60410d6..9102402 100644
--- a/FreeRTOS/Demo/Common/include/serial.h
+++ b/FreeRTOS/Demo/Common/include/serial.h
@@ -124,12 +124,12 @@
 	ser115200
 } eBaud;
 
-xComPortHandle xSerialPortInitMinimal( uint32_t ulWantedBaud, UBaseType_t uxQueueLength );
-xComPortHandle xSerialPortInit( eCOMPort ePort, eBaud eWantedBaud, eParity eWantedParity, eDataBits eWantedDataBits, eStopBits eWantedStopBits, UBaseType_t uxBufferLength );
-void vSerialPutString( xComPortHandle pxPort, const signed char * const pcString, uint16_t usStringLength );
-BaseType_t xSerialGetChar( xComPortHandle pxPort, signed char *pcRxedChar, TickType_t xBlockTime );
-BaseType_t xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, TickType_t xBlockTime );
-BaseType_t xSerialWaitForSemaphore( xComPortHandle xPort );
+xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength );
+xComPortHandle xSerialPortInit( eCOMPort ePort, eBaud eWantedBaud, eParity eWantedParity, eDataBits eWantedDataBits, eStopBits eWantedStopBits, unsigned portBASE_TYPE uxBufferLength );
+void vSerialPutString( xComPortHandle pxPort, const signed char * const pcString, unsigned short usStringLength );
+signed portBASE_TYPE xSerialGetChar( xComPortHandle pxPort, signed char *pcRxedChar, TickType_t xBlockTime );
+signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, TickType_t xBlockTime );
+portBASE_TYPE xSerialWaitForSemaphore( xComPortHandle xPort );
 void vSerialClose( xComPortHandle xPort );
 
 #endif
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.info b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.info
index 7b730a0..3aef363 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.info
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.info
@@ -4,4 +4,4 @@
 GCC_STRING=4.7-GNURX_v14.01
 VERSION_IDE=
 ACTIVE_CONFIGURATION=HardwareDebug
-E2STUDIO_VERSION=3.0.0.22
+E2STUDIO_VERSION=3.0.1.09
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.settings/language.settings.xml b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.settings/language.settings.xml
index 8951044..f655393 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.settings/language.settings.xml
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/.settings/language.settings.xml
@@ -4,7 +4,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.renesas.cdt.common.build.spec.RXGCCBuiltinSpecsDetector" console="false" env-hash="-1879026215548195910" id="RXGCCBuiltinSpecsDetector" keep-relative-paths="false" name="Renesas GCCBuildinCompilerSettings" options-hash="1142094570" parameter="rx-elf-gcc -E -P -v -dD ${INPUTS} -mcpu=rx600 -mlittle-endian-data" prefer-non-shared="true">
+			<provider class="com.renesas.cdt.common.build.spec.RXGCCBuiltinSpecsDetector" console="false" env-hash="982537399514949188" id="RXGCCBuiltinSpecsDetector" keep-relative-paths="false" name="Renesas GCCBuildinCompilerSettings" options-hash="1142094570" parameter="rx-elf-gcc -E -P -v -dD ${INPUTS} -mcpu=rx600 -mlittle-endian-data" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/RTOSDemo HardwareDebug.launch b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/RTOSDemo HardwareDebug.launch
index 9cc6968..0d3da2e 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/RTOSDemo HardwareDebug.launch
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/RTOSDemo HardwareDebug.launch
@@ -17,6 +17,7 @@
 <stringAttribute key="com.renesas.cdt.core.targetDevice" value="R5F564ML"/>
 <booleanAttribute key="com.renesas.cdt.core.useRemoteTarget" value="true"/>
 <booleanAttribute key="com.renesas.cdt.core.verboseMode" value="false"/>
+<stringAttribute key="com.renesas.cdt.debug.ioview.dsf.registerSelection" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;selectedRegisterList ioFilePath=&quot;C:\DevTools\Renesas\e2_studio\internal\IoFiles\RX\RX64M.sfrx&quot;/&gt;&#13;&#10;"/>
 <stringAttribute key="com.renesas.cdt.debug.realtimemanager.memory.mruRanges" value=""/>
 <stringAttribute key="com.renesas.cdt.launch.dsf.IO_MAP" value="${eclipse_home}..\internal\IoFiles\RX\RX64M.sfrx"/>
 <booleanAttribute key="com.renesas.cdt.launch.dsf.USE_DEFAULT_IO_MAP" value="true"/>
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/FreeRTOSConfig.h b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/FreeRTOSConfig.h
index 56fc25d..3979519 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/FreeRTOSConfig.h
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/FreeRTOSConfig.h
@@ -66,9 +66,6 @@
 #ifndef FREERTOS_CONFIG_H
 #define FREERTOS_CONFIG_H
 
-/* Hardware specifics. */
-#include "iodefine.h"
-
 /* Prevent Renesas headers redefining some stdint.h types. */
 #define __TYPEDEF__	1
 
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/IntQueueTimer.c b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/IntQueueTimer.c
index 0d04d67..7e59944 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/IntQueueTimer.c
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/IntQueueTimer.c
@@ -77,6 +77,10 @@
 #include "IntQueueTimer.h"
 #include "IntQueue.h"
 
+/* Hardware specifics. */
+#include "iodefine.h"
+#include "rskrx64mdef.h"
+
 #define IPR_PERIB_INTB128	128
 #define IPR_PERIB_INTB129	129
 #define IER_PERIB_INTB128	0x10
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/ParTest.c b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/ParTest.c
index ee03988..2ea02df 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/ParTest.c
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/ParTest.c
@@ -75,6 +75,7 @@
 #include "partest.h"
 
 /* Hardware specifics. */
+#include "iodefine.h"
 #include "rskrx64mdef.h"
 
 #define partestNUM_LEDS ( 4 )
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/main.c b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/main.c
index 3746b8d..95e8a8d 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/main.c
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_GCC_e2studio/src/main.c
@@ -91,6 +91,10 @@
 #include "QueueOverwrite.h"
 #include "EventGroupsDemo.h"
 
+/* Hardware specifics. */
+#include "iodefine.h"
+#include "rskrx64mdef.h"
+
 /* Set option bytes */
 #pragma address OFS0_location = 0xFFFFFF8CUL
 #pragma address OFS1_location = 0xFFFFFF88UL
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/.info b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/.info
index b83e1be..ca59635 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/.info
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/.info
@@ -2,5 +2,5 @@
 VERSION=v2.01.00
 TC_INSTALL=C:\Devtools\Renesas\RX\2_1_0\
 VERSION_IDE=
-E2STUDIO_VERSION=3.0.0.22
 ACTIVE_CONFIGURATION=HardwareDebug
+E2STUDIO_VERSION=3.0.1.09
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/FreeRTOSConfig.h b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/FreeRTOSConfig.h
index 0599b96..3979519 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/FreeRTOSConfig.h
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/FreeRTOSConfig.h
@@ -66,9 +66,6 @@
 #ifndef FREERTOS_CONFIG_H
 #define FREERTOS_CONFIG_H
 
-/* Hardware specifics. */
-#include "r_cg_iodefine.h"
-
 /* Prevent Renesas headers redefining some stdint.h types. */
 #define __TYPEDEF__	1
 
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/RegisterWriteProtect.c b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/RegisterWriteProtect.c
index d87b251..53a4ab2 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/RegisterWriteProtect.c
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/RegisterWriteProtect.c
@@ -5,7 +5,7 @@
  *      Author: WarnerR
  */
 
-#include "r_cg_iodefine.h"
+#include "../iodefine.h"
 #include "stdint.h"
 
 #define	PRC0_BIT	0x0001
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/cg_src/r_cg_macrodriver.h b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/cg_src/r_cg_macrodriver.h
index 19209ff..bf5e930 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/cg_src/r_cg_macrodriver.h
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/cg_src/r_cg_macrodriver.h
@@ -35,7 +35,7 @@
 /***********************************************************************************************************************
 Includes
 ***********************************************************************************************************************/
-#include "r_cg_iodefine.h"
+#include "../iodefine.h"
 #include <machine.h>
 
 /***********************************************************************************************************************
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/cg_src/r_cg_iodefine.h b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/iodefine.h
similarity index 100%
rename from FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/cg_src/r_cg_iodefine.h
rename to FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/Renesas_Code/iodefine.h
diff --git a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/main.c b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/main.c
index bceae9c..1617e8b 100644
--- a/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/main.c
+++ b/FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/main.c
@@ -138,7 +138,7 @@
 void vApplicationTickHook( void );
 
 /*-----------------------------------------------------------*/
-uint32_t ul1, ul2;
+
 int main( void )
 {
 	/* Configure the hardware ready to run the demo. */
diff --git a/FreeRTOS/Source/portable/GCC/ARM_CA9/port.c b/FreeRTOS/Source/portable/GCC/ARM_CA9/port.c
index 91cb2d7..ca3c915 100644
--- a/FreeRTOS/Source/portable/GCC/ARM_CA9/port.c
+++ b/FreeRTOS/Source/portable/GCC/ARM_CA9/port.c
@@ -176,6 +176,15 @@
 #define portMAX_8_BIT_VALUE							( ( uint8_t ) 0xff )
 #define portBIT_0_SET								( ( uint8_t ) 0x01 )
 
+/* Let the user override the pre-loading of the initial LR with the address of
+prvTaskExitError() in case is messes up unwinding of the stack in the
+debugger. */
+#ifdef configTASK_RETURN_ADDRESS
+	#define portTASK_RETURN_ADDRESS	configTASK_RETURN_ADDRESS
+#else
+	#define portTASK_RETURN_ADDRESS	prvTaskExitError
+#endif
+
 /*-----------------------------------------------------------*/
 
 /*
@@ -184,6 +193,11 @@
  */
 extern void vPortRestoreTaskContext( void );
 
+/*
+ * Used to catch tasks that attempt to return from their implementing function.
+ */
+static void prvTaskExitError( void );
+
 /*-----------------------------------------------------------*/
 
 /* A variable is used to keep track of the critical section nesting.  This
@@ -243,7 +257,7 @@
 	pxTopOfStack--;
 
 	/* Next all the registers other than the stack pointer. */
-	*pxTopOfStack = ( StackType_t ) 0x00000000;	/* R14 */
+	*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS;	/* R14 */
 	pxTopOfStack--;
 	*pxTopOfStack = ( StackType_t ) 0x12121212;	/* R12 */
 	pxTopOfStack--;
@@ -286,6 +300,20 @@
 }
 /*-----------------------------------------------------------*/
 
+static void prvTaskExitError( void )
+{
+	/* A function that implements a task must not exit or attempt to return to
+	its caller as there is nothing to return to.  If a task wants to exit it
+	should instead call vTaskDelete( NULL ).
+
+	Artificially force an assert() to be triggered if configASSERT() is
+	defined, then stop here so application writers can catch the error. */
+	configASSERT( ulPortInterruptNesting == ~0UL );
+	portDISABLE_INTERRUPTS();
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
 BaseType_t xPortStartScheduler( void )
 {
 uint32_t ulAPSR;
@@ -380,7 +408,7 @@
 	ulCriticalNesting++;
 
 	/* This is not the interrupt safe version of the enter critical function so
-	assert() if it is being called from an interrupt context.  Only API 
+	assert() if it is being called from an interrupt context.  Only API
 	functions that end in "FromISR" can be used in an interrupt.  Only assert if
 	the critical nesting count is 1 to protect against recursive calls if the
 	assert function also uses a critical section. */
diff --git a/FreeRTOS/Source/portable/GCC/ARM_CA9/portASM.S b/FreeRTOS/Source/portable/GCC/ARM_CA9/portASM.S
index a92da08..1d9368e 100644
--- a/FreeRTOS/Source/portable/GCC/ARM_CA9/portASM.S
+++ b/FreeRTOS/Source/portable/GCC/ARM_CA9/portASM.S
@@ -120,9 +120,6 @@
 
 .macro portRESTORE_CONTEXT
 
-	/* Switch to system mode. */
-	CPS		#SYS_MODE
-
 	/* Set the SP to point to the stack of the task being restored. */
 	LDR		R0, pxCurrentTCBConst
 	LDR		R1, [R0]
@@ -168,7 +165,7 @@
 
 
 /******************************************************************************
- * SVC handler is used to start the scheduler and yield a task.
+ * SVC handler is used to start the scheduler.
  *****************************************************************************/
 .align 4
 .type FreeRTOS_SWI_Handler, %function
@@ -177,9 +174,16 @@
 	portSAVE_CONTEXT
 	LDR R0, vTaskSwitchContextConst
 	BLX	R0
+	portRESTORE_CONTEXT
 
+
+/******************************************************************************
+ * vPortRestoreTaskContext is used to start the scheduler.
+ *****************************************************************************/
 .type vPortRestoreTaskContext, %function
 vPortRestoreTaskContext:
+	/* Switch to system mode. */
+	CPS		#SYS_MODE
 	portRESTORE_CONTEXT
 
 .align 4
diff --git a/FreeRTOS/Source/portable/GCC/RX600v2/port.c b/FreeRTOS/Source/portable/GCC/RX600v2/port.c
index 093ea85..484e211 100644
--- a/FreeRTOS/Source/portable/GCC/RX600v2/port.c
+++ b/FreeRTOS/Source/portable/GCC/RX600v2/port.c
@@ -74,6 +74,9 @@
 /* Library includes. */
 #include "string.h"
 
+/* Hardware specifics. */
+#include "iodefine.h"
+
 /*-----------------------------------------------------------*/
 
 /* Tasks should start with interrupts enabled and in Supervisor mode, therefore
diff --git a/FreeRTOS/Source/portable/IAR/ARM_CA9/port.c b/FreeRTOS/Source/portable/IAR/ARM_CA9/port.c
index 674aab9..796e714 100644
--- a/FreeRTOS/Source/portable/IAR/ARM_CA9/port.c
+++ b/FreeRTOS/Source/portable/IAR/ARM_CA9/port.c
@@ -166,6 +166,11 @@
  */
 extern void vPortRestoreTaskContext( void );
 
+/*
+ * Used to catch tasks that attempt to return from their implementing function.
+ */
+static void prvTaskExitError( void );
+
 /*-----------------------------------------------------------*/
 
 /* A variable is used to keep track of the critical section nesting.  This
@@ -175,8 +180,8 @@
 automatically be set to 0 when the first task is started. */
 volatile uint32_t ulCriticalNesting = 9999UL;
 
-/* Saved as part of the task context.  If ulPortTaskHasFPUContext is non-zero then
-a floating point context must be saved and restored for the task. */
+/* Saved as part of the task context.  If ulPortTaskHasFPUContext is non-zero
+then a floating point context must be saved and restored for the task. */
 uint32_t ulPortTaskHasFPUContext = pdFALSE;
 
 /* Set to 1 to pend a context switch from an ISR. */
@@ -221,7 +226,7 @@
 	pxTopOfStack--;
 
 	/* Next all the registers other than the stack pointer. */
-	*pxTopOfStack = ( StackType_t ) 0x00000000;	/* R14 */
+	*pxTopOfStack = ( StackType_t ) prvTaskExitError;	/* R14 */
 	pxTopOfStack--;
 	*pxTopOfStack = ( StackType_t ) 0x12121212;	/* R12 */
 	pxTopOfStack--;
@@ -264,6 +269,20 @@
 }
 /*-----------------------------------------------------------*/
 
+static void prvTaskExitError( void )
+{
+	/* A function that implements a task must not exit or attempt to return to
+	its caller as there is nothing to return to.  If a task wants to exit it
+	should instead call vTaskDelete( NULL ).
+
+	Artificially force an assert() to be triggered if configASSERT() is
+	defined, then stop here so application writers can catch the error. */
+	configASSERT( ulPortInterruptNesting == ~0UL );
+	portDISABLE_INTERRUPTS();
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
 BaseType_t xPortStartScheduler( void )
 {
 uint32_t ulAPSR;
diff --git a/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.h b/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.h
index 07be9cb..208b547 100644
--- a/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.h
+++ b/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.h
@@ -97,9 +97,6 @@
 
 portRESTORE_CONTEXT macro
 
-	; Switch to system mode
-	CPS		#SYS_MODE
-
 	; Set the SP to point to the stack of the task being restored.
 	LDR		R0, =pxCurrentTCB
 	LDR		R1, [R0]
diff --git a/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.s b/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.s
index 21df2cf..b05c7ed 100644
--- a/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.s
+++ b/FreeRTOS/Source/portable/IAR/ARM_CA9/portASM.s
@@ -75,7 +75,7 @@
 	INCLUDE portASM.h
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; SVC handler is used to start the scheduler and yield a task.
+; SVC handler is used to yield a task.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 FreeRTOS_SWI_Handler
 
@@ -85,10 +85,15 @@
 	portSAVE_CONTEXT
 	LDR R0, =vTaskSwitchContext
 	BLX	R0
-
-vPortRestoreTaskContext
 	portRESTORE_CONTEXT
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; vPortRestoreTaskContext is used to start the scheduler.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+vPortRestoreTaskContext
+	; Switch to system mode
+	CPS		#SYS_MODE
+	portRESTORE_CONTEXT
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; PL390 GIC interrupt handler
@@ -167,7 +172,7 @@
 	MOVS	PC, LR
 
 switch_before_exit
-	; A context swtich is to be performed.  Clear the context switch pending
+	; A context switch is to be performed.  Clear the context switch pending
 	; flag.
 	MOV		r0, #0
 	STR		r0, [r1]
diff --git a/FreeRTOS/Source/portable/RVDS/ARM_CA9/port.c b/FreeRTOS/Source/portable/RVDS/ARM_CA9/port.c
index 697cf27..1ac64cc 100644
--- a/FreeRTOS/Source/portable/RVDS/ARM_CA9/port.c
+++ b/FreeRTOS/Source/portable/RVDS/ARM_CA9/port.c
@@ -198,6 +198,11 @@
  */
 extern void vPortRestoreTaskContext( void );
 
+/*
+ * Used to catch tasks that attempt to return from their implementing function.
+ */
+static void prvTaskExitError( void );
+
 /*-----------------------------------------------------------*/
 
 /* A variable is used to keep track of the critical section nesting.  This
@@ -260,7 +265,7 @@
 	pxTopOfStack--;
 
 	/* Next all the registers other than the stack pointer. */
-	*pxTopOfStack = ( StackType_t ) 0x00000000;	/* R14 */
+	*pxTopOfStack = ( StackType_t ) prvTaskExitError;	/* R14 */
 	pxTopOfStack--;
 	*pxTopOfStack = ( StackType_t ) 0x12121212;	/* R12 */
 	pxTopOfStack--;
@@ -303,6 +308,20 @@
 }
 /*-----------------------------------------------------------*/
 
+static void prvTaskExitError( void )
+{
+	/* A function that implements a task must not exit or attempt to return to
+	its caller as there is nothing to return to.  If a task wants to exit it
+	should instead call vTaskDelete( NULL ).
+
+	Artificially force an assert() to be triggered if configASSERT() is
+	defined, then stop here so application writers can catch the error. */
+	configASSERT( ulPortInterruptNesting == ~0UL );
+	portDISABLE_INTERRUPTS();
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
 BaseType_t xPortStartScheduler( void )
 {
 uint32_t ulAPSR;
@@ -354,6 +373,16 @@
 	directly.  Increment ulCriticalNesting to keep a count of how many times
 	portENTER_CRITICAL() has been called. */
 	ulCriticalNesting++;
+
+	/* This is not the interrupt safe version of the enter critical function so
+	assert() if it is being called from an interrupt context.  Only API
+	functions that end in "FromISR" can be used in an interrupt.  Only assert if
+	the critical nesting count is 1 to protect against recursive calls if the
+	assert function also uses a critical section. */
+	if( ulCriticalNesting == 1 )
+	{
+		configASSERT( ulPortInterruptNesting == 0 );
+	}
 }
 /*-----------------------------------------------------------*/
 
diff --git a/FreeRTOS/Source/portable/RVDS/ARM_CA9/portASM.s b/FreeRTOS/Source/portable/RVDS/ARM_CA9/portASM.s
index aefd3e4..4b0c925 100644
--- a/FreeRTOS/Source/portable/RVDS/ARM_CA9/portASM.s
+++ b/FreeRTOS/Source/portable/RVDS/ARM_CA9/portASM.s
@@ -71,7 +71,7 @@
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; SVC handler is used to start the scheduler and yield a task.
+; SVC handler is used to yield a task.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 FreeRTOS_SWI_Handler
 
@@ -81,10 +81,15 @@
 	portSAVE_CONTEXT
 	LDR R0, =vTaskSwitchContext
 	BLX	R0
-
-vPortRestoreTaskContext
 	portRESTORE_CONTEXT
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; vPortRestoreTaskContext is used to start the scheduler.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+vPortRestoreTaskContext
+	; Switch to system mode
+	CPS		#SYS_MODE
+	portRESTORE_CONTEXT
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; PL390 GIC interrupt handler
@@ -132,7 +137,7 @@
 	ADD		sp, sp, r2
 
 	CPSID 	i
-	
+
 	; Write the value read from ICCIAR to ICCEOIR
 	LDR 	r4, =ulICCEOIR
 	STR		r0, [r4]
diff --git a/FreeRTOS/Source/portable/RVDS/ARM_CA9/portmacro.inc b/FreeRTOS/Source/portable/RVDS/ARM_CA9/portmacro.inc
index aa6bdb1..798c3e4 100644
--- a/FreeRTOS/Source/portable/RVDS/ARM_CA9/portmacro.inc
+++ b/FreeRTOS/Source/portable/RVDS/ARM_CA9/portmacro.inc
@@ -104,9 +104,6 @@
 	MACRO
 	portRESTORE_CONTEXT
 
-	; Switch to system mode
-	CPS		#SYS_MODE
-
 	; Set the SP to point to the stack of the task being restored.
 	LDR		R0, =pxCurrentTCB
 	LDR		R1, [R0]
diff --git a/FreeRTOS/Source/portable/Renesas/RX600v2/port.c b/FreeRTOS/Source/portable/Renesas/RX600v2/port.c
index 82234c3..16e8a5c 100644
--- a/FreeRTOS/Source/portable/Renesas/RX600v2/port.c
+++ b/FreeRTOS/Source/portable/Renesas/RX600v2/port.c
@@ -74,6 +74,9 @@
 /* Library includes. */
 #include "string.h"
 
+/* Hardware specifics. */
+#include "iodefine.h"
+
 /*-----------------------------------------------------------*/
 
 /* Tasks should start with interrupts enabled and in Supervisor mode, therefore
diff --git a/FreeRTOS/Source/tasks.c b/FreeRTOS/Source/tasks.c
index 7f03fa9..28dafd9 100644
--- a/FreeRTOS/Source/tasks.c
+++ b/FreeRTOS/Source/tasks.c
@@ -3586,24 +3586,32 @@
 
 void vTaskIncrementMutexHeldCount( void )
 {
-	/* If xSemaphoreCreateMutex() is called before any tasks have been created
-	then pxCurrentTCB will be NULL. */
-	if( pxCurrentTCB != NULL )
+	#if ( configUSE_MUTEXES == 1 )
 	{
-		( pxCurrentTCB->uxMutexesHeld )++;
+		/* If xSemaphoreCreateMutex() is called before any tasks have been created
+		then pxCurrentTCB will be NULL. */
+		if( pxCurrentTCB != NULL )
+		{
+			( pxCurrentTCB->uxMutexesHeld )++;
+		}
 	}
+	#endif
 }
 /*-----------------------------------------------------------*/
 
 void vTaskDecrementMutexHeldCount( void )
 {
-	/* If xSemaphoreCreateMutex() is called before any tasks have been created
-	then pxCurrentTCB will be NULL. */
-	if( pxCurrentTCB != NULL )
+	#if ( configUSE_MUTEXES == 1 )
 	{
-		configASSERT( pxCurrentTCB->uxMutexesHeld );
-		( pxCurrentTCB->uxMutexesHeld )--;
+		/* If xSemaphoreCreateMutex() is called before any tasks have been created
+		then pxCurrentTCB will be NULL. */
+		if( pxCurrentTCB != NULL )
+		{
+			configASSERT( pxCurrentTCB->uxMutexesHeld );
+			( pxCurrentTCB->uxMutexesHeld )--;
+		}
 	}
+	#endif
 }
 
 #ifdef FREERTOS_MODULE_TEST