diff --git a/raven_spn/.cproject b/raven_spn/.cproject
new file mode 100644
index 0000000..1135715
--- /dev/null
+++ b/raven_spn/.cproject
@@ -0,0 +1,235 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+	<storageModule moduleId="org.eclipse.cdt.core.settings">
+		<cconfiguration id="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282" moduleId="org.eclipse.cdt.core.settings" name="Debug">
+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+				</extensions>
+			</storageModule>
+			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+				<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282" name="Debug" optionalBuildProperties="org.eclipse.cdt.docker.launcher.containerbuild.property.selectedvolumes=,org.eclipse.cdt.docker.launcher.containerbuild.property.volumes=" parent="cdt.managedbuild.config.gnu.cross.exe.debug">
+					<folderInfo id="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282." name="/" resourcePath="">
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+							<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.command.c.229029585" name="C compiler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.command.c" value="gcc" valueType="string"/>
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+								<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.374116974" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format"/>
+							</tool>
+						</toolChain>
+					</folderInfo>
+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+			<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
+			<storageModule buildDir="build/${ConfigName}" moduleId="de.marw.cdt.cmake.core.settings">
+				<options/>
+			</storageModule>
+		</cconfiguration>
+		<cconfiguration id="cdt.managedbuild.config.gnu.cross.exe.release.1031824371">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="cdt.managedbuild.config.gnu.cross.exe.release.1031824371" moduleId="org.eclipse.cdt.core.settings" name="Release">
+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+				</extensions>
+			</storageModule>
+			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+				<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.cross.exe.release.1031824371" name="Release" optionalBuildProperties="" parent="cdt.managedbuild.config.gnu.cross.exe.release">
+					<folderInfo id="cdt.managedbuild.config.gnu.cross.exe.release.1031824371." name="/" resourcePath="">
+						<toolChain id="cdt.managedbuild.toolchain.gnu.cross.exe.release.1438664554" name="Cross GCC" superClass="cdt.managedbuild.toolchain.gnu.cross.exe.release">
+							<option id="cdt.managedbuild.option.gnu.cross.prefix.1474979048" name="Prefix" superClass="cdt.managedbuild.option.gnu.cross.prefix" value="riscv32-unknown-elf" valueType="string"/>
+							<option id="cdt.managedbuild.option.gnu.cross.path.1676659144" name="Path" superClass="cdt.managedbuild.option.gnu.cross.path" value="/opt/riscv/rv32i/bin" valueType="string"/>
+							<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="cdt.managedbuild.targetPlatform.gnu.cross.828841384" isAbstract="false" osList="all" superClass="cdt.managedbuild.targetPlatform.gnu.cross"/>
+							<builder buildPath="${workspace_loc:/simple-test}/Release" id="cdt.managedbuild.builder.gnu.cross.2000177921" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" superClass="cdt.managedbuild.builder.gnu.cross"/>
+							<tool id="cdt.managedbuild.tool.gnu.cross.c.compiler.560143013" name="Cross GCC Compiler" superClass="cdt.managedbuild.tool.gnu.cross.c.compiler">
+								<option defaultValue="gnu.c.optimization.level.most" id="gnu.c.compiler.option.optimization.level.1661151579" name="Optimization Level" superClass="gnu.c.compiler.option.optimization.level" useByScannerDiscovery="false" valueType="enumerated"/>
+								<option id="gnu.c.compiler.option.debugging.level.1316374933" name="Debug Level" superClass="gnu.c.compiler.option.debugging.level" useByScannerDiscovery="false" value="gnu.c.debugging.level.none" valueType="enumerated"/>
+								<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.326742547" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.cross.cpp.compiler.256458056" name="Cross G++ Compiler" superClass="cdt.managedbuild.tool.gnu.cross.cpp.compiler">
+								<option id="gnu.cpp.compiler.option.optimization.level.1139272133" name="Optimization Level" superClass="gnu.cpp.compiler.option.optimization.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.optimization.level.most" valueType="enumerated"/>
+								<option id="gnu.cpp.compiler.option.debugging.level.547676250" name="Debug Level" superClass="gnu.cpp.compiler.option.debugging.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.debugging.level.none" valueType="enumerated"/>
+								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.437879445" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.cross.c.linker.214344343" name="Cross GCC Linker" superClass="cdt.managedbuild.tool.gnu.cross.c.linker"/>
+							<tool id="cdt.managedbuild.tool.gnu.cross.cpp.linker.477233781" name="Cross G++ Linker" superClass="cdt.managedbuild.tool.gnu.cross.cpp.linker">
+								<inputType id="cdt.managedbuild.tool.gnu.cpp.linker.input.165180109" superClass="cdt.managedbuild.tool.gnu.cpp.linker.input">
+									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
+									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
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+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.cross.archiver.1545006586" name="Cross GCC Archiver" superClass="cdt.managedbuild.tool.gnu.cross.archiver"/>
+							<tool id="cdt.managedbuild.tool.gnu.cross.assembler.30210068" name="Cross GCC Assembler" superClass="cdt.managedbuild.tool.gnu.cross.assembler">
+								<inputType id="cdt.managedbuild.tool.gnu.assembler.input.2040238556" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
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+						</toolChain>
+					</folderInfo>
+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+		</cconfiguration>
+	</storageModule>
+	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+		<project id="simple-test.cdt.managedbuild.target.gnu.cross.exe.2047670776" name="Executable" projectType="cdt.managedbuild.target.gnu.cross.exe"/>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="refreshScope" versionNumber="2">
+		<configuration configurationName="Debug">
+			<resource resourceType="PROJECT" workspacePath="/simple-test"/>
+		</configuration>
+		<configuration configurationName="Release">
+			<resource resourceType="PROJECT" workspacePath="/simple-test"/>
+		</configuration>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
+		<buildTargets>
+			<target name="all" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments/>
+				<buildTarget>all</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+			<target name="clean" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments/>
+				<buildTarget>clean</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+		</buildTargets>
+	</storageModule>
+	<storageModule moduleId="scannerConfiguration">
+		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.release.1031824371;cdt.managedbuild.config.gnu.cross.exe.release.1031824371.;cdt.managedbuild.tool.gnu.cross.cpp.compiler.256458056;cdt.managedbuild.tool.gnu.cpp.compiler.input.437879445">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282;cdt.managedbuild.config.gnu.cross.exe.debug.1288357282.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1123076801;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.818006879">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282;cdt.managedbuild.config.gnu.cross.exe.debug.1288357282.;cdt.managedbuild.tool.gnu.cross.cpp.compiler.2110352016;cdt.managedbuild.tool.gnu.cpp.compiler.input.1211604423">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282;cdt.managedbuild.config.gnu.cross.exe.debug.1288357282.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.cpp.compiler.1451909464;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.cpp.compiler.input.1707187335">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.debug.1288357282;cdt.managedbuild.config.gnu.cross.exe.debug.1288357282.;cdt.managedbuild.tool.gnu.cross.c.compiler.1226990822;cdt.managedbuild.tool.gnu.c.compiler.input.980325680">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.release.1031824371;cdt.managedbuild.config.gnu.cross.exe.release.1031824371.;cdt.managedbuild.tool.gnu.cross.c.compiler.560143013;cdt.managedbuild.tool.gnu.c.compiler.input.326742547">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+	</storageModule>
+</cproject>
diff --git a/raven_spn/Makefile b/raven_spn/Makefile
index 62aacf0..73aae66 100644
--- a/raven_spn/Makefile
+++ b/raven_spn/Makefile
@@ -14,8 +14,7 @@ LINK_TARGET=flash
 RISCV_ARCH=rv32imac
 RISCV_ABI=ilp32
 
-TOOL_DIR=/home/stas/Downloads/riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-linux-ubuntu14/bin
-#TOOL_DIR?=/opt/riscv/FreedomStudio/20180122/SiFive/riscv64-unknown-elf-gcc-20171231-x86_64-linux-centos6/bin
+TOOL_DIR=/opt/shared/riscv/tools/Ubuntu/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14/bin
 
 BSP_BASE = ./bsp
 include $(BSP_BASE)/env/common.mk
diff --git a/raven_spn/raven_spn b/raven_spn/raven_spn
index b4ba59a..033ff1d 100755
Binary files a/raven_spn/raven_spn and b/raven_spn/raven_spn differ