diff --git a/ref_app/ref_app.cppproj b/ref_app/ref_app.cppproj
index 1eda83316..96fe48e91 100644
--- a/ref_app/ref_app.cppproj
+++ b/ref_app/ref_app.cppproj
@@ -60,47 +60,47 @@
     <OutputFileExtension>.elf</OutputFileExtension>
     <ToolchainSettings>
       <AvrGccCpp>
-  <avrgcc.common.Device>-mmcu=atmega328p -B "%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\gcc\dev\atmega328p"</avrgcc.common.Device>
-  <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
-  <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
-  <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
-  <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
-  <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
-  <avrgcc.compiler.directories.IncludePaths>
-    <ListValues>
-      <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
-      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
-    </ListValues>
-  </avrgcc.compiler.directories.IncludePaths>
-  <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
-  <avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
-  <avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
-  <avrgcc.compiler.miscellaneous.OtherFlags>-std=c99 -flto</avrgcc.compiler.miscellaneous.OtherFlags>
-  <avrgcccpp.compiler.directories.IncludePaths>
-    <ListValues>
-      <Value>../src</Value>
-      <Value>../src/mcal/avr</Value>
-      <Value>../src/util/STL</Value>
-      <Value>../src/util/STL_C++XX_stdfloat</Value>
-      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
-    </ListValues>
-  </avrgcccpp.compiler.directories.IncludePaths>
-  <avrgcccpp.compiler.optimization.level>Optimize for size (-Os)</avrgcccpp.compiler.optimization.level>
-  <avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
-  <avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
-  <avrgcccpp.compiler.miscellaneous.OtherFlags>-Wextra -gdwarf-2 -fno-use-cxa-atexit -fno-exceptions -finline-functions -finline-limit=64 -std=c++14 -fno-rtti -fno-nonansi-builtins -fno-threadsafe-statics -fno-enforce-eh-specs -flto -Wno-comment</avrgcccpp.compiler.miscellaneous.OtherFlags>
-  <avrgcccpp.linker.general.DoNotUseStandardStartFiles>True</avrgcccpp.linker.general.DoNotUseStandardStartFiles>
-  <avrgcccpp.linker.general.DoNotUseDefaultLibraries>True</avrgcccpp.linker.general.DoNotUseDefaultLibraries>
-  <avrgcccpp.linker.general.NoStartupOrDefaultLibs>True</avrgcccpp.linker.general.NoStartupOrDefaultLibs>
-  <avrgcccpp.linker.memorysettings.InitialStack>0x800</avrgcccpp.linker.memorysettings.InitialStack>
-  <avrgcccpp.linker.miscellaneous.LinkerFlags>-Wl,-T../target/micros/avr/make/avr.ld -flto</avrgcccpp.linker.miscellaneous.LinkerFlags>
-  <avrgcccpp.assembler.general.IncludePaths>
-    <ListValues>
-      <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
-      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
-    </ListValues>
-  </avrgcccpp.assembler.general.IncludePaths>
-</AvrGccCpp>
+        <avrgcc.common.Device>-mmcu=atmega328p -B "%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\gcc\dev\atmega328p"</avrgcc.common.Device>
+        <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
+        <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
+        <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
+        <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
+        <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
+        <avrgcc.compiler.directories.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
+          </ListValues>
+        </avrgcc.compiler.directories.IncludePaths>
+        <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
+        <avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
+        <avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
+        <avrgcc.compiler.miscellaneous.OtherFlags>-std=c99 -flto</avrgcc.compiler.miscellaneous.OtherFlags>
+        <avrgcccpp.compiler.directories.IncludePaths>
+          <ListValues>
+            <Value>../src</Value>
+            <Value>../src/mcal/avr</Value>
+            <Value>../src/util/STL</Value>
+            <Value>../src/util/STL_C++XX_stdfloat</Value>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
+          </ListValues>
+        </avrgcccpp.compiler.directories.IncludePaths>
+        <avrgcccpp.compiler.optimization.level>Optimize for size (-Os)</avrgcccpp.compiler.optimization.level>
+        <avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
+        <avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
+        <avrgcccpp.compiler.miscellaneous.OtherFlags>-Wextra -gdwarf-2 -fno-use-cxa-atexit -fno-exceptions -finline-functions -finline-limit=64 -std=c++14 -fno-rtti -fno-nonansi-builtins -fno-threadsafe-statics -fno-enforce-eh-specs -flto -Wno-comment</avrgcccpp.compiler.miscellaneous.OtherFlags>
+        <avrgcccpp.linker.general.DoNotUseStandardStartFiles>True</avrgcccpp.linker.general.DoNotUseStandardStartFiles>
+        <avrgcccpp.linker.general.DoNotUseDefaultLibraries>True</avrgcccpp.linker.general.DoNotUseDefaultLibraries>
+        <avrgcccpp.linker.general.NoStartupOrDefaultLibs>True</avrgcccpp.linker.general.NoStartupOrDefaultLibs>
+        <avrgcccpp.linker.memorysettings.InitialStack>0x800</avrgcccpp.linker.memorysettings.InitialStack>
+        <avrgcccpp.linker.miscellaneous.LinkerFlags>-Wl,-T../target/micros/avr/make/avr.ld -flto</avrgcccpp.linker.miscellaneous.LinkerFlags>
+        <avrgcccpp.assembler.general.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
+          </ListValues>
+        </avrgcccpp.assembler.general.IncludePaths>
+      </AvrGccCpp>
     </ToolchainSettings>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
@@ -108,49 +108,49 @@
     <OutputFileExtension>.elf</OutputFileExtension>
     <ToolchainSettings>
       <AvrGccCpp>
-  <avrgcc.common.Device>-mmcu=atmega328p -B "%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\gcc\dev\atmega328p"</avrgcc.common.Device>
-  <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
-  <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
-  <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
-  <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
-  <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
-  <avrgcc.compiler.directories.IncludePaths>
-    <ListValues>
-      <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
-      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
-    </ListValues>
-  </avrgcc.compiler.directories.IncludePaths>
-  <avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
-  <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
-  <avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
-  <avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
-  <avrgcc.compiler.miscellaneous.OtherFlags>-std=c99</avrgcc.compiler.miscellaneous.OtherFlags>
-  <avrgcccpp.compiler.directories.IncludePaths>
-    <ListValues>
-      <Value>../src</Value>
-      <Value>../src/mcal/avr</Value>
-      <Value>../src/util/STL</Value>
-      <Value>../src/util/STL_C++XX_stdfloat</Value>
-      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
-    </ListValues>
-  </avrgcccpp.compiler.directories.IncludePaths>
-  <avrgcccpp.compiler.optimization.level>Optimize (-O1)</avrgcccpp.compiler.optimization.level>
-  <avrgcccpp.compiler.optimization.DebugLevel>Default (-g2)</avrgcccpp.compiler.optimization.DebugLevel>
-  <avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
-  <avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
-  <avrgcccpp.compiler.miscellaneous.OtherFlags>-Wextra -gdwarf-2 -fno-use-cxa-atexit -fno-exceptions -finline-functions -std=c++14 -fno-rtti -fno-nonansi-builtins -fno-threadsafe-statics -fno-enforce-eh-specs</avrgcccpp.compiler.miscellaneous.OtherFlags>
-  <avrgcccpp.linker.general.DoNotUseStandardStartFiles>True</avrgcccpp.linker.general.DoNotUseStandardStartFiles>
-  <avrgcccpp.linker.general.DoNotUseDefaultLibraries>True</avrgcccpp.linker.general.DoNotUseDefaultLibraries>
-  <avrgcccpp.linker.general.NoStartupOrDefaultLibs>True</avrgcccpp.linker.general.NoStartupOrDefaultLibs>
-  <avrgcccpp.linker.miscellaneous.LinkerFlags>-Wl,-T../target/micros/avr/make/avr.ld</avrgcccpp.linker.miscellaneous.LinkerFlags>
-  <avrgcccpp.assembler.general.IncludePaths>
-    <ListValues>
-      <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
-      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
-    </ListValues>
-  </avrgcccpp.assembler.general.IncludePaths>
-  <avrgcccpp.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcccpp.assembler.debugging.DebugLevel>
-</AvrGccCpp>
+        <avrgcc.common.Device>-mmcu=atmega328p -B "%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\gcc\dev\atmega328p"</avrgcc.common.Device>
+        <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
+        <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
+        <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
+        <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
+        <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
+        <avrgcc.compiler.directories.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
+          </ListValues>
+        </avrgcc.compiler.directories.IncludePaths>
+        <avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
+        <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
+        <avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
+        <avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
+        <avrgcc.compiler.miscellaneous.OtherFlags>-std=c99</avrgcc.compiler.miscellaneous.OtherFlags>
+        <avrgcccpp.compiler.directories.IncludePaths>
+          <ListValues>
+            <Value>../src</Value>
+            <Value>../src/mcal/avr</Value>
+            <Value>../src/util/STL</Value>
+            <Value>../src/util/STL_C++XX_stdfloat</Value>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
+          </ListValues>
+        </avrgcccpp.compiler.directories.IncludePaths>
+        <avrgcccpp.compiler.optimization.level>Optimize (-O1)</avrgcccpp.compiler.optimization.level>
+        <avrgcccpp.compiler.optimization.DebugLevel>Default (-g2)</avrgcccpp.compiler.optimization.DebugLevel>
+        <avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
+        <avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
+        <avrgcccpp.compiler.miscellaneous.OtherFlags>-Wextra -gdwarf-2 -fno-use-cxa-atexit -fno-exceptions -finline-functions -std=c++14 -fno-rtti -fno-nonansi-builtins -fno-threadsafe-statics -fno-enforce-eh-specs</avrgcccpp.compiler.miscellaneous.OtherFlags>
+        <avrgcccpp.linker.general.DoNotUseStandardStartFiles>True</avrgcccpp.linker.general.DoNotUseStandardStartFiles>
+        <avrgcccpp.linker.general.DoNotUseDefaultLibraries>True</avrgcccpp.linker.general.DoNotUseDefaultLibraries>
+        <avrgcccpp.linker.general.NoStartupOrDefaultLibs>True</avrgcccpp.linker.general.NoStartupOrDefaultLibs>
+        <avrgcccpp.linker.miscellaneous.LinkerFlags>-Wl,-T../target/micros/avr/make/avr.ld</avrgcccpp.linker.miscellaneous.LinkerFlags>
+        <avrgcccpp.assembler.general.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.3.300\include</Value>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\2.0.401\include\</Value>
+          </ListValues>
+        </avrgcccpp.assembler.general.IncludePaths>
+        <avrgcccpp.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcccpp.assembler.debugging.DebugLevel>
+      </AvrGccCpp>
     </ToolchainSettings>
   </PropertyGroup>
   <ItemGroup>
@@ -526,9 +526,6 @@
     <Compile Include="src\os\os_cfg.h">
       <SubType>compile</SubType>
     </Compile>
-    <Compile Include="src\os\os_task_control_block.cpp">
-      <SubType>compile</SubType>
-    </Compile>
     <Compile Include="src\os\os_task_control_block.h">
       <SubType>compile</SubType>
     </Compile>
diff --git a/ref_app/src/app/benchmark/app_benchmark_complex.cpp b/ref_app/src/app/benchmark/app_benchmark_complex.cpp
index 690527608..6b806a165 100644
--- a/ref_app/src/app/benchmark/app_benchmark_complex.cpp
+++ b/ref_app/src/app/benchmark/app_benchmark_complex.cpp
@@ -55,6 +55,6 @@ int main()
 #endif
 
 complex_type x_val { static_cast<local_floating_point_type>(1.23L), static_cast<local_floating_point_type>(3.45L) };
-complex_type y_val;
+complex_type y_val { };
 
 #endif // APP_BENCHMARK_TYPE_COMPLEX