diff --git a/cmsis-pack/GorgonMeducer.perf_counter.1.7.7.pack b/cmsis-pack/GorgonMeducer.perf_counter.1.7.7.pack
index 936d803..e290838 100644
Binary files a/cmsis-pack/GorgonMeducer.perf_counter.1.7.7.pack and b/cmsis-pack/GorgonMeducer.perf_counter.1.7.7.pack differ
diff --git a/example/example.uvmpw b/example/example.uvmpw
index 6ce450d..89e20e4 100644
--- a/example/example.uvmpw
+++ b/example/example.uvmpw
@@ -9,12 +9,13 @@
 
   <project>
     <PathAndName>.\example.uvprojx</PathAndName>
-    <NodeIsActive>1</NodeIsActive>
     <NodeIsExpanded>1</NodeIsExpanded>
   </project>
 
   <project>
     <PathAndName>.\gcc_example.uvprojx</PathAndName>
+    <NodeIsActive>1</NodeIsActive>
+    <NodeIsExpanded>1</NodeIsExpanded>
   </project>
 
 </ProjectWorkspace>
diff --git a/example/example.uvoptx b/example/example.uvoptx
index 7cf9300..527cbc1 100644
--- a/example/example.uvoptx
+++ b/example/example.uvoptx
@@ -75,7 +75,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>1</IsCurrentTarget>
+        <IsCurrentTarget>0</IsCurrentTarget>
       </OPTFL>
       <CpuCode>7</CpuCode>
       <DebugOpt>
@@ -292,7 +292,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>0</IsCurrentTarget>
+        <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
       <CpuCode>7</CpuCode>
       <DebugOpt>
@@ -373,7 +373,7 @@
           <SizeOfObject>0</SizeOfObject>
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
-          <Filename>.\platform.c</Filename>
+          <Filename>C:\Work\SVN\projects\MCU\perf_counter_library\example\platform.c</Filename>
           <ExecCommand></ExecCommand>
           <Expression></Expression>
         </Bp>
@@ -634,7 +634,7 @@
           <SizeOfObject>0</SizeOfObject>
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
-          <Filename>.\main.c</Filename>
+          <Filename>C:\Work\SVN\projects\MCU\perf_counter_library\example\main.c</Filename>
           <ExecCommand></ExecCommand>
           <Expression></Expression>
         </Bp>
@@ -650,7 +650,7 @@
           <SizeOfObject>0</SizeOfObject>
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
-          <Filename>.\platform.c</Filename>
+          <Filename>C:\Work\SVN\projects\MCU\perf_counter_library\example\platform.c</Filename>
           <ExecCommand></ExecCommand>
           <Expression></Expression>
         </Bp>
@@ -666,7 +666,7 @@
           <SizeOfObject>0</SizeOfObject>
           <BreakByAccess>0</BreakByAccess>
           <BreakIfRCount>0</BreakIfRCount>
-          <Filename>.\stdout_USART.c</Filename>
+          <Filename>C:\Work\SVN\projects\MCU\perf_counter_library\example\stdout_USART.c</Filename>
           <ExecCommand></ExecCommand>
           <Expression></Expression>
         </Bp>
diff --git a/example/example.uvprojx b/example/example.uvprojx
index b5306a2..f012dfb 100644
--- a/example/example.uvprojx
+++ b/example/example.uvprojx
@@ -16,7 +16,7 @@
         <TargetCommonOption>
           <Device>ARMCM0</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.5.8.0</PackID>
+          <PackID>ARM.CMSIS.5.8.1</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -620,13 +620,13 @@
       <TargetName>library</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>6160000::V6.16::ARMCLANG</pCCUsed>
+      <pCCUsed>6170000::V6.17::.\ARMCompiler6.17</pCCUsed>
       <uAC6>1</uAC6>
       <TargetOption>
         <TargetCommonOption>
           <Device>ARMCM0</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.5.8.0</PackID>
+          <PackID>ARM.CMSIS.5.8.1</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -1285,7 +1285,7 @@
         <TargetCommonOption>
           <Device>ARMCM0</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.5.8.0</PackID>
+          <PackID>ARM.CMSIS.5.8.1</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -1907,7 +1907,7 @@
       <file attr="config" category="sourceAsm" condition="ARMCC" name="Device\ARM\ARMCM0\Source\ARM\startup_ARMCM0.s" version="1.0.1">
         <instance index="0">RTE\Device\ARMCM0\startup_ARMCM0.s</instance>
         <component Cclass="Device" Cgroup="Startup" Cvendor="ARM" Cversion="1.2.2" condition="ARMCM0 CMSIS"/>
-        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.0"/>
+        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.1"/>
         <targetInfos>
           <targetInfo name="example_arm compiler_5"/>
           <targetInfo name="example_arm_compiler_6"/>
@@ -1917,7 +1917,7 @@
       <file attr="config" category="sourceC" name="Device\ARM\ARMCM0\Source\system_ARMCM0.c" version="1.0.0">
         <instance index="0">RTE\Device\ARMCM0\system_ARMCM0.c</instance>
         <component Cclass="Device" Cgroup="Startup" Cvendor="ARM" Cversion="1.2.2" condition="ARMCM0 CMSIS"/>
-        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.0"/>
+        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.1"/>
         <targetInfos>
           <targetInfo name="example_arm compiler_5"/>
           <targetInfo name="example_arm_compiler_6"/>
diff --git a/example/gcc_example.uvoptx b/example/gcc_example.uvoptx
index 57ac7b3..c987129 100644
--- a/example/gcc_example.uvoptx
+++ b/example/gcc_example.uvoptx
@@ -75,7 +75,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>1</IsCurrentTarget>
+        <IsCurrentTarget>0</IsCurrentTarget>
       </OPTFL>
       <CpuCode>7</CpuCode>
       <DebugOpt>
@@ -280,7 +280,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>0</IsCurrentTarget>
+        <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
       <CpuCode>7</CpuCode>
       <DebugOpt>
diff --git a/example/gcc_example.uvprojx b/example/gcc_example.uvprojx
index 0bc7aae..db9e53f 100644
--- a/example/gcc_example.uvprojx
+++ b/example/gcc_example.uvprojx
@@ -15,7 +15,7 @@
         <TargetCommonOption>
           <Device>ARMCM0</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.5.8.0</PackID>
+          <PackID>ARM.CMSIS.5.8.1</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -404,6 +404,53 @@
         </Group>
         <Group>
           <GroupName>::Utilities</GroupName>
+          <GroupOption>
+            <CommonProperty>
+              <UseCPPCompiler>0</UseCPPCompiler>
+              <RVCTCodeConst>0</RVCTCodeConst>
+              <RVCTZI>0</RVCTZI>
+              <RVCTOtherData>0</RVCTOtherData>
+              <ModuleSelection>0</ModuleSelection>
+              <IncludeInBuild>0</IncludeInBuild>
+              <AlwaysBuild>2</AlwaysBuild>
+              <GenerateAssemblyFile>2</GenerateAssemblyFile>
+              <AssembleAssemblyFile>2</AssembleAssemblyFile>
+              <PublicsOnly>2</PublicsOnly>
+              <StopOnExitCode>11</StopOnExitCode>
+              <CustomArgument></CustomArgument>
+              <IncludeLibraryModules></IncludeLibraryModules>
+              <ComprImg>1</ComprImg>
+            </CommonProperty>
+            <GroupArm>
+              <Carm>
+                <arpcs>2</arpcs>
+                <stkchk>2</stkchk>
+                <reentr>2</reentr>
+                <interw>2</interw>
+                <bigend>2</bigend>
+                <Strict>0</Strict>
+                <Optim>0</Optim>
+                <wLevel>0</wLevel>
+                <uThumb>2</uThumb>
+                <VariousControls>
+                  <MiscControls></MiscControls>
+                  <Define></Define>
+                  <Undefine></Undefine>
+                  <IncludePath></IncludePath>
+                </VariousControls>
+              </Carm>
+              <Aarm>
+                <bBE>2</bBE>
+                <interw>2</interw>
+                <VariousControls>
+                  <MiscControls></MiscControls>
+                  <Define></Define>
+                  <Undefine></Undefine>
+                  <IncludePath></IncludePath>
+                </VariousControls>
+              </Aarm>
+            </GroupArm>
+          </GroupOption>
         </Group>
       </Groups>
     </Target>
@@ -416,7 +463,7 @@
         <TargetCommonOption>
           <Device>ARMCM0</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.5.8.0</PackID>
+          <PackID>ARM.CMSIS.5.8.1</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -840,16 +887,16 @@
     <apis/>
     <components>
       <component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="5.5.0" condition="ARMv6_7_8-M Device">
-        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.0"/>
+        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.1"/>
         <targetInfos>
           <targetInfo name="example"/>
           <targetInfo name="gcc_lib"/>
         </targetInfos>
       </component>
-      <component Cclass="Utilities" Cgroup="Performance" Csub="perf_counter" Cvendor="GorgonMeducer" Cversion="1.6.1">
-        <package name="perf_counter" schemaVersion="1.4" url="https://github.com/GorgonMeducer/perf_counter/blob/main/cmsis-pack/" vendor="GorgonMeducer" version="1.6.1"/>
+      <component Cbundle="Performance Counter" Cclass="Utilities" Cgroup="perf_counter" Csub="Core" Cvariant="Library" Cvendor="GorgonMeducer" Cversion="1.7.7" isTargetSpecific="1">
+        <package name="perf_counter" schemaVersion="1.4" url="https://raw.githubusercontent.com/GorgonMeducer/perf_counter/CMSIS-Pack/cmsis-pack/" vendor="GorgonMeducer" version="1.7.7"/>
         <targetInfos>
-          <targetInfo name="example"/>
+          <targetInfo excluded="1" name="example"/>
           <targetInfo name="gcc_lib"/>
         </targetInfos>
       </component>
diff --git a/lib/libperf_counter_gcc.a b/lib/libperf_counter_gcc.a
index e2ed48b..46bcf01 100644
Binary files a/lib/libperf_counter_gcc.a and b/lib/libperf_counter_gcc.a differ
diff --git a/lib/perf_counter.lib b/lib/perf_counter.lib
index aa3a601..91b45d5 100644
Binary files a/lib/perf_counter.lib and b/lib/perf_counter.lib differ