first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+				<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>
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+								<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.wide.1298918921" name="Wide lines (--wide|-w)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.wide" useByScannerDiscovery="false" value="true" valueType="boolean"/>
+							</tool>
+							<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize.712424314" name="GNU RISC-V Cross Print Size" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize">
+								<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.1404031980" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format" useByScannerDiscovery="false"/>
+							</tool>
+						</toolChain>
+					</folderInfo>
+					<fileInfo id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.480324089" name="Link.ld" rcbsApplicability="disable" resourcePath="HAL/Link.ld" toolsToInvoke=""/>
+					<sourceEntries>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="APP"/>
+						<entry excluding="Link.ld|Profile|KEY.c|LED.c" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="HAL"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="LIB"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Ld"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Profile"/>
+						<entry excluding="Ld|Startup" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="SRC"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
+					</sourceEntries>
+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+			<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
+		</cconfiguration>
+	</storageModule>
+	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+		<project id="999.ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf.275846018" projectType="ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf"/>
+	</storageModule>
+	<storageModule moduleId="scannerConfiguration">
+		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+	
+</cproject>
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<projectDescription>
+	<name>OnlyUpdateApp_IAP</name>
+	<comment/>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+	<linkedResources>
+		<link>
+			<name>HAL</name>
+			<type>2</type>
+			<locationURI>PARENT-1-PROJECT_LOC/HAL</locationURI>
+		</link>
+		<link>
+			<name>LIB</name>
+			<type>2</type>
+			<locationURI>PARENT-1-PROJECT_LOC/LIB</locationURI>
+		</link>
+		<link>
+			<name>SRC</name>
+			<type>2</type>
+			<locationURI>PARENT-2-PROJECT_LOC/SRC</locationURI>
+		</link>
+	</linkedResources>
+	<filteredResources>
+		<filter>
+			<id>1595986042669</id>
+			<name/>
+			<type>22</type>
+			<matcher>
+				<id>org.eclipse.ui.ide.multiFilter</id>
+				<arguments>1.0-name-matches-false-false-*.wvproj</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>
@@ -0,0 +1,73 @@
+eclipse.preferences.version=1
+org.eclipse.cdt.codan.checkers.errnoreturn=Warning
+org.eclipse.cdt.codan.checkers.errnoreturn.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No return\\")",implicit\=>false}
+org.eclipse.cdt.codan.checkers.errreturnvalue=Error
+org.eclipse.cdt.codan.checkers.errreturnvalue.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused return value\\")"}
+org.eclipse.cdt.codan.checkers.nocommentinside=-Error
+org.eclipse.cdt.codan.checkers.nocommentinside.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Nesting comments\\")"}
+org.eclipse.cdt.codan.checkers.nolinecomment=-Error
+org.eclipse.cdt.codan.checkers.nolinecomment.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Line comments\\")"}
+org.eclipse.cdt.codan.checkers.noreturn=Error
+org.eclipse.cdt.codan.checkers.noreturn.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No return value\\")",implicit\=>false}
+org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation=Error
+org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Abstract class cannot be instantiated\\")"}
+org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem=Error
+org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Ambiguous problem\\")"}
+org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Assignment in condition\\")"}
+org.eclipse.cdt.codan.internal.checkers.AssignmentToItselfProblem=Error
+org.eclipse.cdt.codan.internal.checkers.AssignmentToItselfProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Assignment to itself\\")"}
+org.eclipse.cdt.codan.internal.checkers.CaseBreakProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.CaseBreakProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No break at end of case\\")",no_break_comment\=>"no break",last_case_param\=>false,empty_case_param\=>false,enable_fallthrough_quickfix_param\=>false}
+org.eclipse.cdt.codan.internal.checkers.CatchByReference=Warning
+org.eclipse.cdt.codan.internal.checkers.CatchByReference.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Catching by reference is recommended\\")",unknown\=>false,exceptions\=>()}
+org.eclipse.cdt.codan.internal.checkers.CircularReferenceProblem=Error
+org.eclipse.cdt.codan.internal.checkers.CircularReferenceProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Circular inheritance\\")"}
+org.eclipse.cdt.codan.internal.checkers.ClassMembersInitialization=Warning
+org.eclipse.cdt.codan.internal.checkers.ClassMembersInitialization.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Class members should be properly initialized\\")",skip\=>true}
+org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem=Error
+org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid 'decltype(auto)' specifier\\")"}
+org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem=Error
+org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Field cannot be resolved\\")"}
+org.eclipse.cdt.codan.internal.checkers.FunctionResolutionProblem=Error
+org.eclipse.cdt.codan.internal.checkers.FunctionResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Function cannot be resolved\\")"}
+org.eclipse.cdt.codan.internal.checkers.InvalidArguments=Error
+org.eclipse.cdt.codan.internal.checkers.InvalidArguments.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid arguments\\")"}
+org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem=Error
+org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid template argument\\")"}
+org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem=Error
+org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Label statement not found\\")"}
+org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem=Error
+org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Member declaration not found\\")"}
+org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem=Error
+org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Method cannot be resolved\\")"}
+org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker=-Info
+org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Name convention for function\\")",pattern\=>"^[a-z]",macro\=>true,exceptions\=>()}
+org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Class has a virtual method and non-virtual destructor\\")"}
+org.eclipse.cdt.codan.internal.checkers.OverloadProblem=Error
+org.eclipse.cdt.codan.internal.checkers.OverloadProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid overload\\")"}
+org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem=Error
+org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid redeclaration\\")"}
+org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem=Error
+org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid redefinition\\")"}
+org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem=-Warning
+org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Return with parenthesis\\")"}
+org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem=-Warning
+org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Format String Vulnerability\\")"}
+org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Statement has no effect\\")",macro\=>true,exceptions\=>()}
+org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Suggested parenthesis around expression\\")",paramNot\=>false}
+org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Suspicious semicolon\\")",else\=>false,afterelse\=>false}
+org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem=Error
+org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Type cannot be resolved\\")"}
+org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused function declaration\\")",macro\=>true}
+org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused static function\\")",macro\=>true}
+org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem=Warning
+org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused variable declaration in file scope\\")",macro\=>true,exceptions\=>("@(\#)","$Id")}
+org.eclipse.cdt.codan.internal.checkers.VariableResolutionProblem=Error
+org.eclipse.cdt.codan.internal.checkers.VariableResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Symbol is not resolved\\")"}
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+formatter_settings_version=1
@@ -0,0 +1,74 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : ch32v20x_it.c
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2022/06/16
+ * Description        : Main Interrupt Service Routines.
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/*********************************************************************
+ * INCLUDES
+ */
+#include "ch32v20x_it.h"
+#include "CONFIG.h"
+
+/*********************************************************************
+ * LOCAL FUNCTIONS
+ */
+void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+void BB_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+void LLE_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+
+/*********************************************************************
+ * @fn      NMI_Handler
+ *
+ * @brief   This function handles NMI exception.
+ *
+ * @return  None
+ */
+void NMI_Handler(void)
+{
+}
+
+/*********************************************************************
+ * @fn      HardFault_Handler
+ *
+ * @brief   This function handles Hard Fault exception.
+ *
+ * @return  None
+ */
+void HardFault_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+
+/*********************************************************************
+ * @fn      BB_IRQHandler
+ *
+ * @brief   BB Interrupt for BLE.
+ *
+ * @return  None
+ */
+void BB_IRQHandler(void)
+{
+    BB_IRQLibHandler();
+}
+
+/*********************************************************************
+ * @fn      LLE_IRQHandler
+ *
+ * @brief   LLE Interrupt for BLE.
+ *
+ * @return  None
+ */
+void LLE_IRQHandler(void)
+{
+    LLE_IRQLibHandler();
+}
@@ -0,0 +1,37 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : ch32v20x_conf.h
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2022/06/16
+ * Description        : Library configuration file.
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#ifndef __CH32V20x_CONF_H
+#define __CH32V20x_CONF_H
+
+#include "ch32v20x_adc.h"
+#include "ch32v20x_bkp.h"
+#include "ch32v20x_can.h"
+#include "ch32v20x_crc.h"
+#include "ch32v20x_dbgmcu.h"
+#include "ch32v20x_dma.h"
+#include "ch32v20x_exti.h"
+#include "ch32v20x_flash.h"
+#include "ch32v20x_gpio.h"
+#include "ch32v20x_i2c.h"
+#include "ch32v20x_iwdg.h"
+#include "ch32v20x_pwr.h"
+#include "ch32v20x_rcc.h"
+#include "ch32v20x_rtc.h"
+#include "ch32v20x_spi.h"
+#include "ch32v20x_tim.h"
+#include "ch32v20x_usart.h"
+#include "ch32v20x_wwdg.h"
+#include "ch32v20x_it.h"
+#include "ch32v20x_misc.h"
+
+#endif /* __CH32V20x_CONF_H */
@@ -0,0 +1,18 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : ch32v20x_it.h
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2022/06/16
+ * Description        : This file contains the headers of the interrupt handlers.
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#ifndef __CH32V20x_IT_H
+#define __CH32V20x_IT_H
+
+#include "debug.h"
+
+#endif /* __CH32V20x_IT_H */
@@ -0,0 +1,111 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : ota.h
+ * Author             : WCH
+ * Version            : V1.10
+ * Date               : 2018/12/14
+ * Description        : oad相关配置定义
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/******************************************************************************/
+#ifndef __OTA_H
+#define __OTA_H
+
+/* ------------------------------------------------------------------------------------------------
+ *                                             OTA FLASH
+ * ------------------------------------------------------------------------------------------------
+ */
+
+/* 整个用户code区分成3块，依次为16K，240K，192K 分别叫做imageIAP（IAP），imageA（APP），LIB */
+
+/* FLASH定义 */
+
+#define FLASH_BLOCK_SIZE     4096
+#define FLASH_PAGE_SIZE      256
+
+/* imageIAP定义 */
+#define IMAGE_IAP_FLAG       0x02
+#define IMAGE_IAP_START_ADD  0x08000000
+#define IMAGE_IAP_SIZE       16 * 1024
+
+/* imageA定义 */
+#define IMAGE_A_FLAG         0x01
+#define IMAGE_A_START_ADD    (IMAGE_IAP_START_ADD+IMAGE_IAP_SIZE)
+#define IMAGE_A_SIZE         240 * 1024
+
+#define IMAGE_OTA_FLAG       0x03
+
+#define jumpApp              ((void (*)(void))((int *)(IMAGE_A_START_ADD-0x08000000)))
+
+/* IAP定义 */
+/* 以下为IAP下载命令定义 */
+#define CMD_IAP_PROM         0x80               // IAP编程命令
+#define CMD_IAP_ERASE        0x81               // IAP擦除命令
+#define CMD_IAP_VERIFY       0x82               // IAP校验命令
+#define CMD_IAP_END          0x83               // IAP结束标志
+#define CMD_IAP_INFO         0x84               // IAP获取设备信息
+
+/* 数据帧长度定义 */
+#define IAP_LEN              247
+
+/* 存放在DataFlash地址，不能占用蓝牙的位置 */
+#define OTA_DATAFLASH_ADD    0x08077000
+
+/* 存放在DataFlash里的OTA信息 */
+typedef struct
+{
+    unsigned char ImageFlag; //记录的当前的image标志
+    unsigned char flag[3];
+} OTADataFlashInfo_t;
+
+/* OTA IAP通讯协议定义 */
+/* 地址使用4倍偏移 */
+typedef union
+{
+    struct
+    {
+        unsigned char cmd;          /* 命令码 0x81 */
+        unsigned char len;          /* 后续数据长度 */
+        unsigned char addr[2];      /* 擦除地址 */
+        unsigned char block_num[2]; /* 擦除块数 */
+
+    } erase; /* 擦除命令 */
+    struct
+    {
+        unsigned char cmd;       /* 命令码 0x83 */
+        unsigned char len;       /* 后续数据长度 */
+        unsigned char status[2]; /* 两字节状态，保留 */
+    } end;                       /* 结束命令 */
+    struct
+    {
+        unsigned char cmd;              /* 命令码 0x82 */
+        unsigned char len;              /* 后续数据长度 */
+        unsigned char addr[2];          /* 校验地址 */
+        unsigned char buf[IAP_LEN - 4]; /* 校验数据 */
+    } verify;                           /* 校验命令 */
+    struct
+    {
+        unsigned char cmd;              /* 命令码 0x80 */
+        unsigned char len;              /* 后续数据长度 */
+        unsigned char addr[2];          /* 地址 */
+        unsigned char buf[IAP_LEN - 4]; /* 后续数据 */
+    } program;                          /* 编程命令 */
+    struct
+    {
+        unsigned char cmd;              /* 命令码 0x84 */
+        unsigned char len;              /* 后续数据长度 */
+        unsigned char buf[IAP_LEN - 2]; /* 后续数据 */
+    } info;                             /* 编程命令 */
+    struct
+    {
+        unsigned char buf[IAP_LEN]; /* 接收数据包*/
+    } other;
+} OTA_IAP_CMD_t;
+
+/* 记录当前的Image */
+extern unsigned char CurrImageFlag;
+
+#endif
@@ -0,0 +1,63 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : peripheral.h
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2018/12/11
+ * Description        :
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#ifndef PERIPHERAL_H
+#define PERIPHERAL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************************************************************
+ * INCLUDES
+ */
+
+/*********************************************************************
+ * CONSTANTS
+ */
+
+// Simple BLE Peripheral Task Events
+#define SBP_START_DEVICE_EVT    0x0001
+#define SBP_PERIODIC_EVT        0x0002
+#define OTA_FLASH_ERASE_EVT     0x0004  //OTA Flash²Á³ýÈÎÎñ
+
+/*********************************************************************
+ * MACROS
+ */
+
+/*********************************************************************
+ * FUNCTIONS
+ */
+
+/*
+ * Task Initialization for the BLE Application
+ */
+extern void Peripheral_Init(void);
+
+/*
+ * Task Event Processor for the BLE Application
+ */
+extern uint16_t Peripheral_ProcessEvent(uint8_t task_id, uint16_t events);
+
+/*
+ * Read flash
+ */
+void FLASH_read(uint32_t addr, uint8_t *pData, uint32_t len);
+
+/*********************************************************************
+*********************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
@@ -0,0 +1,31 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : system_ch32v20x.h
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2022/06/16
+ * Description        : CH32V20x Device Peripheral Access Layer System Header File.
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#ifndef __SYSTEM_ch32v20x_H
+#define __SYSTEM_ch32v20x_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
+
+/* System_Exported_Functions */
+extern void SystemInit(void);
+extern void SystemCoreClockUpdate(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__CH32V20x_SYSTEM_H */
@@ -0,0 +1,752 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : Peripheral.C
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2018/12/10
+ * Description        : Peripheral slave multi-connection application, initialize 
+ *                      broadcast connection parameters, then broadcast, after connecting 
+ *                      to the host, request to update connection parameters, 
+ *                      and transmit data through custom services.
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/*********************************************************************
+ * INCLUDES
+ */
+#include "CONFIG.h"
+#include "GATTprofile.h"
+#include "Peripheral.h"
+#include "OTA.h"
+#include "OTAprofile.h"
+
+/*********************************************************************
+ * MACROS
+ */
+
+/*********************************************************************
+ * CONSTANTS
+ */
+
+// How often to perform periodic event
+#define SBP_PERIODIC_EVT_PERIOD              1000
+
+// What is the advertising interval when device is discoverable (units of 625us, 32=20ms)
+#define DEFAULT_ADVERTISING_INTERVAL         32
+
+// Limited discoverable mode advertises for 30.72s, and then stops
+// General discoverable mode advertises indefinitely
+
+#define DEFAULT_DISCOVERABLE_MODE            GAP_ADTYPE_FLAGS_GENERAL
+
+// Minimum connection interval (units of 1.25ms, 6=7.5ms) if automatic parameter update request is enabled
+#define DEFAULT_DESIRED_MIN_CONN_INTERVAL    6
+
+// Maximum connection interval (units of 1.25ms, 12=15ms) if automatic parameter update request is enabled
+#define DEFAULT_DESIRED_MAX_CONN_INTERVAL    12
+
+// Slave latency to use if automatic parameter update request is enabled
+#define DEFAULT_DESIRED_SLAVE_LATENCY        0
+
+// Supervision timeout value (units of 10ms, 1000=10s) if automatic parameter update request is enabled
+#define DEFAULT_DESIRED_CONN_TIMEOUT         1000
+
+// Whether to enable automatic parameter update request when a connection is formed
+#define DEFAULT_ENABLE_UPDATE_REQUEST        TRUE
+
+// Connection Pause Peripheral time value (in seconds)
+#define DEFAULT_CONN_PAUSE_PERIPHERAL        6
+
+// Company Identifier: WCH
+#define WCH_COMPANY_ID                       0x07D7
+
+#define INVALID_CONNHANDLE                   0xFFFF
+
+// Length of bd addr as a string
+#define B_ADDR_STR_LEN                       15
+
+/*********************************************************************
+ * TYPEDEFS
+ */
+
+/*********************************************************************
+ * GLOBAL VARIABLES
+ */
+
+/*********************************************************************
+ * EXTERNAL VARIABLES
+ */
+
+/*********************************************************************
+ * EXTERNAL FUNCTIONS
+ */
+
+/*********************************************************************
+ * LOCAL VARIABLES
+ */
+static uint8_t Peripheral_TaskID = INVALID_TASK_ID; // Task ID for internal task/event processing
+
+// GAP - SCAN RSP data (max size = 31 bytes)
+static uint8_t scanRspData[31] = {
+    // complete name
+    0x12, // length of this data
+    GAP_ADTYPE_LOCAL_NAME_COMPLETE,
+    'O', 'T', 'A', 'O', 'T', 'A', '_', 'O', 'T', 'A', 'O', 'T', 'A', '_', 'O', 'T', 'A',
+    // connection interval range
+    0x05, // length of this data
+    GAP_ADTYPE_SLAVE_CONN_INTERVAL_RANGE,
+    LO_UINT16(DEFAULT_DESIRED_MIN_CONN_INTERVAL), // 100ms
+    HI_UINT16(DEFAULT_DESIRED_MIN_CONN_INTERVAL),
+    LO_UINT16(DEFAULT_DESIRED_MAX_CONN_INTERVAL), // 1s
+    HI_UINT16(DEFAULT_DESIRED_MAX_CONN_INTERVAL),
+
+    // Tx power level
+    0x02, // length of this data
+    GAP_ADTYPE_POWER_LEVEL,
+    0 // 0dBm
+};
+
+// GAP - Advertisement data (max size = 31 bytes, though this is
+// best kept short to conserve power while advertisting)
+static uint8_t advertData[] = {
+    // Flags; this sets the device to use limited discoverable
+    // mode (advertises for 30 seconds at a time) instead of general
+    // discoverable mode (advertises indefinitely)
+    0x02, // length of this data
+    GAP_ADTYPE_FLAGS,
+    DEFAULT_DISCOVERABLE_MODE | GAP_ADTYPE_FLAGS_BREDR_NOT_SUPPORTED,
+
+    // service UUID, to notify central devices what services are included
+    // in this peripheral
+    0x03,                  // length of this data
+    GAP_ADTYPE_16BIT_MORE, // some of the UUID's, but not all
+    LO_UINT16(SIMPLEPROFILE_SERV_UUID),
+    HI_UINT16(SIMPLEPROFILE_SERV_UUID)
+
+};
+
+// GAP GATT Attributes
+static uint8_t attDeviceName[GAP_DEVICE_NAME_LEN] = "OTAOTA_OTAOTA_OTA";
+
+// OTA IAP VARIABLES
+/* OTA communication frame */
+OTA_IAP_CMD_t iap_rec_data;
+
+/* OTA analysis results */
+uint32_t OpParaDataLen = 0;
+uint32_t OpAdd = 0;
+uint16_t block_buf_len=0;
+uint32_t prom_addr=0;
+
+/* Flash data temporary storage */
+__attribute__((aligned(8))) uint8_t block_buf[512];
+
+/* IMAGE jump function address definition */
+typedef int (*pImageTaskFn)(void);
+pImageTaskFn user_image_tasks;
+
+/* Flash erase */
+uint32_t EraseAdd = 0;      //Removal address
+uint32_t EraseBlockNum = 0; //Number of blocks that need to be erased
+uint32_t EraseBlockCnt = 0; //Scratching block count
+
+/* FLASH verification status */
+uint8_t VerifyStatus = 0;
+
+/*********************************************************************
+ * LOCAL FUNCTIONS
+ */
+static void Peripheral_ProcessTMOSMsg(tmos_event_hdr_t *pMsg);
+static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEvent_t *pEvent);
+static void performPeriodicTask(void);
+
+void OTA_IAPReadDataComplete(unsigned char index);
+void OTA_IAPWriteData(unsigned char index, unsigned char *p_data, unsigned char w_len);
+void Rec_OTA_IAP_DataDeal(void);
+void OTA_IAP_SendCMDDealSta(uint8_t deal_status);
+
+/*********************************************************************
+ * PROFILE CALLBACKS
+ */
+
+// GAP Role Callbacks
+static gapRolesCBs_t Peripheral_PeripheralCBs = {
+    peripheralStateNotificationCB, // Profile State Change Callbacks
+    NULL,                          // When a valid RSSI is read from controller (not used by application)
+    NULL};
+
+// GAP Bond Manager Callbacks
+static gapBondCBs_t Peripheral_BondMgrCBs = {
+    NULL, // Passcode callback (not used by application)
+    NULL  // Pairing / Bonding state Callback (not used by application)
+};
+
+// Simple GATT Profile Callbacks
+static OTAProfileCBs_t Peripheral_OTA_IAPProfileCBs = {
+    OTA_IAPReadDataComplete, // Charactersitic value change callback
+    OTA_IAPWriteData};
+
+// Callback when the connection parameteres are updated.
+void PeripheralParamUpdate(uint16_t connInterval, uint16_t connSlaveLatency, uint16_t connTimeout);
+
+gapRolesParamUpdateCB_t PeripheralParamUpdate_t = NULL;
+
+/*********************************************************************
+ * PUBLIC FUNCTIONS
+ */
+
+/*********************************************************************
+ * @fn      Peripheral_Init
+ *
+ * @brief   Initialization function for the Peripheral App Task.
+ *          This is called during initialization and should contain
+ *          any application specific initialization (ie. hardware
+ *          initialization/setup, table initialization, power up
+ *          notificaiton ... ).
+ *
+ * @param   task_id - the ID assigned by TMOS.  This ID should be
+ *                    used to send messages and set timers.
+ *
+ * @return  none
+ */
+void Peripheral_Init()
+{
+    Peripheral_TaskID = TMOS_ProcessEventRegister(Peripheral_ProcessEvent);
+
+    // Setup the GAP Peripheral Role Profile
+    {
+        // For other hardware platforms, device starts advertising upon initialization
+        uint8_t initial_advertising_enable = TRUE;
+
+        // Set the GAP Role Parameters
+        GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &initial_advertising_enable);
+        GAPRole_SetParameter(GAPROLE_SCAN_RSP_DATA, sizeof(scanRspData), scanRspData);
+        GAPRole_SetParameter(GAPROLE_ADVERT_DATA, sizeof(advertData), advertData);
+    }
+
+    // Set the GAP Characteristics
+    GGS_SetParameter(GGS_DEVICE_NAME_ATT, GAP_DEVICE_NAME_LEN, attDeviceName);
+
+    // Set advertising interval
+    {
+        uint16_t advInt = DEFAULT_ADVERTISING_INTERVAL;
+
+        GAP_SetParamValue(TGAP_DISC_ADV_INT_MIN, advInt);
+        GAP_SetParamValue(TGAP_DISC_ADV_INT_MAX, advInt);
+    }
+
+    // Initialize GATT attributes
+    GGS_AddService(GATT_ALL_SERVICES);         // GAP
+    GATTServApp_AddService(GATT_ALL_SERVICES); // GATT attributes
+    OTAProfile_AddService(GATT_ALL_SERVICES);
+
+    //  Register callback with OTAGATTprofile
+    OTAProfile_RegisterAppCBs(&Peripheral_OTA_IAPProfileCBs);
+
+    // Setup a delayed profile startup
+    tmos_set_event(Peripheral_TaskID, SBP_START_DEVICE_EVT);
+}
+
+void PeripheralParamUpdate(uint16_t connInterval, uint16_t connSlaveLatency, uint16_t connTimeout)
+{
+    PRINT("update %d %d %d \n", connInterval, connSlaveLatency, connTimeout);
+
+    //		GAPRole_SendUpdateParam( DEFAULT_DESIRED_MIN_CONN_INTERVAL, DEFAULT_DESIRED_MAX_CONN_INTERVAL,
+    //                                 DEFAULT_DESIRED_SLAVE_LATENCY, DEFAULT_DESIRED_CONN_TIMEOUT, GAPROLE_NO_ACTION );
+}
+
+/*********************************************************************
+ * @fn      Peripheral_ProcessEvent
+ *
+ * @brief   Peripheral Application Task event processor.  This function
+ *          is called to process all events for the task.  Events
+ *          include timers, messages and any other user defined events.
+ *
+ * @param   task_id  - The TMOS assigned task ID.
+ * @param   events - events to process.  This is a bit map and can
+ *                   contain more than one event.
+ *
+ * @return  events not processed
+ */
+uint16_t Peripheral_ProcessEvent(uint8_t task_id, uint16_t events)
+{
+    //  VOID task_id; // TMOS required parameter that isn't used in this function
+
+    if(events & SYS_EVENT_MSG)
+    {
+        uint8_t *pMsg;
+
+        if((pMsg = tmos_msg_receive(Peripheral_TaskID)) != NULL)
+        {
+            Peripheral_ProcessTMOSMsg((tmos_event_hdr_t *)pMsg);
+            // Release the TMOS message
+            tmos_msg_deallocate(pMsg);
+        }
+        // return unprocessed events
+        return (events ^ SYS_EVENT_MSG);
+    }
+
+    if(events & SBP_START_DEVICE_EVT)
+    {
+        // Start the Device
+        GAPRole_PeripheralStartDevice(Peripheral_TaskID, &Peripheral_BondMgrCBs, &Peripheral_PeripheralCBs);
+        // Set timer for first periodic event
+        tmos_start_task(Peripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD);
+        return (events ^ SBP_START_DEVICE_EVT);
+    }
+
+    if(events & SBP_PERIODIC_EVT)
+    {
+        // Restart timer
+        if(SBP_PERIODIC_EVT_PERIOD)
+        {
+            tmos_start_task(Peripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD);
+        }
+        // Perform periodic application task
+        performPeriodicTask();
+        return (events ^ SBP_PERIODIC_EVT);
+    }
+
+    //OTA_FLASH_ERASE_EVT
+    if(events & OTA_FLASH_ERASE_EVT)
+    {
+        uint8_t status;
+
+        PRINT("ERASE:%08x num:%d\r\n", (int)(EraseAdd + EraseBlockCnt * FLASH_BLOCK_SIZE), (int)EraseBlockCnt);
+        FLASH_Unlock();
+        status = FLASH_ErasePage(EraseAdd + EraseBlockCnt * FLASH_BLOCK_SIZE);
+        FLASH_Lock();
+
+        /* Erase failed */
+        if(status != FLASH_COMPLETE)
+        {
+            OTA_IAP_SendCMDDealSta(status);
+            return (events ^ OTA_FLASH_ERASE_EVT);
+        }
+
+        EraseBlockCnt++;
+
+        /* End of erasing */
+        if(EraseBlockCnt >= EraseBlockNum)
+        {
+            PRINT("ERASE Complete\r\n");
+            OTA_IAP_SendCMDDealSta(SUCCESS);
+            return (events ^ OTA_FLASH_ERASE_EVT);
+        }
+
+        return (events);
+    }
+
+    // Discard unknown events
+    return 0;
+}
+
+/*********************************************************************
+ * @fn      Peripheral_ProcessTMOSMsg
+ *
+ * @brief   Process an incoming task message.
+ *
+ * @param   pMsg - message to process
+ *
+ * @return  none
+ */
+static void Peripheral_ProcessTMOSMsg(tmos_event_hdr_t *pMsg)
+{
+    switch(pMsg->event)
+    {
+        default:
+            break;
+    }
+}
+
+/*********************************************************************
+ * @fn      peripheralStateNotificationCB
+ *
+ * @brief   Notification from the profile of a state change.
+ *
+ * @param   newState - new state
+ *
+ * @return  none
+ */
+static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEvent_t *pEvent)
+{
+    switch(newState & GAPROLE_STATE_ADV_MASK)
+    {
+        case GAPROLE_STARTED:
+            PRINT("Initialized..\n");
+            break;
+
+        case GAPROLE_ADVERTISING:
+            PRINT("Advertising..\n");
+            break;
+
+        case GAPROLE_CONNECTED:
+        {
+            gapEstLinkReqEvent_t *event = (gapEstLinkReqEvent_t *)pEvent;
+            uint16_t              conn_interval = 0;
+
+            conn_interval = event->connInterval;
+            PRINT("Connected.. \n");
+
+            if(conn_interval > DEFAULT_DESIRED_MAX_CONN_INTERVAL)
+            {
+                PRINT("Send Update\r\n");
+                GAPRole_PeripheralConnParamUpdateReq(event->connectionHandle,
+                                                     DEFAULT_DESIRED_MIN_CONN_INTERVAL,
+                                                     DEFAULT_DESIRED_MAX_CONN_INTERVAL,
+                                                     DEFAULT_DESIRED_SLAVE_LATENCY,
+                                                     DEFAULT_DESIRED_CONN_TIMEOUT,
+                                                     Peripheral_TaskID);
+            }
+            break;
+        }
+        case GAPROLE_CONNECTED_ADV:
+            PRINT("Connected Advertising..\n");
+            break;
+        case GAPROLE_WAITING:
+        {
+            uint8_t initial_advertising_enable = TRUE;
+
+            // Set the GAP Role Parameters
+            GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &initial_advertising_enable);
+            PRINT("Disconnected..\n");
+        }
+        break;
+
+        case GAPROLE_ERROR:
+            PRINT("Error..\n");
+            break;
+
+        default:
+            break;
+    }
+}
+
+/*********************************************************************
+ * @fn      performPeriodicTask
+ *
+ * @brief   Perform a periodic application task. This function gets
+ *          called every five seconds as a result of the SBP_PERIODIC_EVT
+ *          TMOS event. In this example, the value of the third
+ *          characteristic in the SimpleGATTProfile service is retrieved
+ *          from the profile, and then copied into the value of the
+ *          the fourth characteristic.
+ *
+ * @param   none
+ *
+ * @return  none
+ */
+static void performPeriodicTask(void)
+{
+}
+
+/*********************************************************************
+ * @fn      OTA_IAP_SendData
+ *
+ * @brief   OTA IAP sends data, limits within 20 bytes when used
+ *
+ * @param   p_send_data - Poems of sending data
+ * @param   send_len    - Send data length
+ *
+ * @return  none
+ */
+void OTA_IAP_SendData(uint8_t *p_send_data, uint8_t send_len)
+{
+    OTAProfile_SendData(OTAPROFILE_CHAR, p_send_data, send_len);
+}
+
+/*********************************************************************
+ * @fn      OTA_IAP_SendCMDDealSta
+ *
+ * @brief   OTA IAP execution status returns
+ *
+ * @param   deal_status - Return state
+ *
+ * @return  none
+ */
+void OTA_IAP_SendCMDDealSta(uint8_t deal_status)
+{
+    uint8_t send_buf[2];
+
+    send_buf[0] = deal_status;
+    send_buf[1] = 0;
+    OTA_IAP_SendData(send_buf, 2);
+}
+
+/*********************************************************************
+ * @fn      OTA_IAP_CMDErrDeal
+ *
+ * @brief   OTA IAP abnormal command code processing
+ *
+ * @return  none
+ */
+void OTA_IAP_CMDErrDeal(void)
+{
+    OTA_IAP_SendCMDDealSta(0xfe);
+}
+
+/*********************************************************************
+ * @fn      SwitchImageFlag
+ *
+ * @brief   Switch the ImageFlag in DataFlash
+ *
+ * @param   new_flag    - Switching ImageFlag
+ *
+ * @return  none
+ */
+void SwitchImageFlag(uint8_t new_flag)
+{
+    uint16_t i;
+    uint32_t ver_flag;
+
+    /* Read the first block */
+    FLASH_read(OTA_DATAFLASH_ADD, &block_buf[0], 4);
+
+    FLASH_Unlock_Fast();
+    /* Erase the first block */
+    FLASH_ErasePage_Fast( OTA_DATAFLASH_ADD );
+
+    /* Update Image information */
+    block_buf[0] = new_flag;
+    block_buf[1] = 0x5A;
+    block_buf[2] = 0x5A;
+    block_buf[3] = 0x5A;
+
+    /* Programming DataFlash */
+    FLASH_ProgramPage_Fast( OTA_DATAFLASH_ADD, (uint32_t *)&block_buf[0]);
+    FLASH_Lock_Fast();
+}
+
+/*********************************************************************
+ * @fn      DisableAllIRQ
+ *
+ * @brief   Turn off all the interrupts
+ *
+ * @return  none
+ */
+void DisableAllIRQ(void)
+{
+    __disable_irq();
+}
+
+/*********************************************************************
+ * @fn      Rec_OTA_IAP_DataDeal
+ *
+ * @brief   Receive OTA packet processing
+ *
+ * @return  none
+ */
+void Rec_OTA_IAP_DataDeal(void)
+{
+    switch(iap_rec_data.other.buf[0])
+    {
+        /* Programming */
+        case CMD_IAP_PROM:
+        {
+            uint32_t i;
+            uint8_t  status;
+
+            OpParaDataLen = iap_rec_data.program.len;
+            OpAdd = (uint32_t)(iap_rec_data.program.addr[0]);
+            OpAdd |= ((uint32_t)(iap_rec_data.program.addr[1]) << 8);
+            OpAdd = OpAdd * 16;
+
+            PRINT("IAP_PROM: %08x len:%d \r\n", (int)OpAdd, (int)OpParaDataLen);
+
+            /* Current is ImageA, programming directly */
+            tmos_memcpy(&block_buf[block_buf_len], iap_rec_data.program.buf, OpParaDataLen);
+            block_buf_len+=OpParaDataLen;
+            if( block_buf_len>=FLASH_PAGE_SIZE )
+            {
+                FLASH_Unlock_Fast();
+                FLASH_ProgramPage_Fast(prom_addr, (uint32_t*)block_buf);
+                FLASH_Lock_Fast();
+                tmos_memcpy(block_buf, &block_buf[FLASH_PAGE_SIZE], block_buf_len-FLASH_PAGE_SIZE);
+                block_buf_len-=FLASH_PAGE_SIZE;
+                prom_addr+=FLASH_PAGE_SIZE;
+            }
+            OTA_IAP_SendCMDDealSta(status);
+            break;
+        }
+        /* Erase -- Bluetooth erase is controlled by the host */
+        case CMD_IAP_ERASE:
+        {
+            OpAdd = (uint32_t)(iap_rec_data.erase.addr[0]);
+            OpAdd |= ((uint32_t)(iap_rec_data.erase.addr[1]) << 8);
+            OpAdd = OpAdd * 16;
+
+            OpAdd += 0x08000000;
+
+            EraseBlockNum = (uint32_t)(iap_rec_data.erase.block_num[0]);
+            EraseBlockNum |= ((uint32_t)(iap_rec_data.erase.block_num[1]) << 8);
+            EraseAdd = OpAdd;
+            EraseBlockCnt = 0;
+
+            /* The inspection is placed in the era of clearing 0 */
+            VerifyStatus = 0;
+
+            prom_addr = IMAGE_A_START_ADD;
+            PRINT("IAP_ERASE start:%08x num:%d\r\n", (int)OpAdd, (int)EraseBlockNum);
+
+            if(EraseAdd < IMAGE_A_START_ADD || (EraseAdd + (EraseBlockNum - 1) * FLASH_BLOCK_SIZE) > (IMAGE_A_START_ADD+IMAGE_A_SIZE))
+            {
+                OTA_IAP_SendCMDDealSta(0xFF);
+            }
+            else
+            {
+                /* Modify DataFlash, switch to ImageB */
+                SwitchImageFlag(IMAGE_IAP_FLAG);
+
+                /* Start erasing */
+                tmos_set_event(Peripheral_TaskID, OTA_FLASH_ERASE_EVT);
+            }
+            break;
+        }
+        /* Verify */
+        case CMD_IAP_VERIFY:
+        {
+            uint32_t i;
+            uint8_t  status = 0;
+            uint8_t  verifyData[iap_rec_data.verify.len];
+
+            if( block_buf_len )
+            {
+                FLASH_Unlock_Fast();
+                FLASH_ProgramPage_Fast(prom_addr, (uint32_t*)block_buf);
+                FLASH_Lock_Fast();
+                block_buf_len=0;
+                prom_addr=0;
+            }
+
+            OpParaDataLen = iap_rec_data.verify.len;
+
+            OpAdd = (uint32_t)(iap_rec_data.verify.addr[0]);
+            OpAdd |= ((uint32_t)(iap_rec_data.verify.addr[1]) << 8);
+            OpAdd = OpAdd * 16;
+
+            OpAdd += 0x08000000;
+            PRINT("IAP_VERIFY: %08x len:%d \r\n", (int)OpAdd, (int)OpParaDataLen);
+            FLASH_read(OpAdd, verifyData, OpParaDataLen);
+            /* It is currently ImageA, read the ImageB check directly */
+            status = tmos_memcmp(verifyData, iap_rec_data.verify.buf, OpParaDataLen);
+            if(status == FALSE)
+            {
+                PRINT("IAP_VERIFY err \r\n");
+                VerifyStatus = 0xFF;
+            }
+            OTA_IAP_SendCMDDealSta(VerifyStatus);
+            break;
+        }
+        /* End of rogramming */
+        case CMD_IAP_END:
+        {
+            PRINT("IAP_END \r\n");
+
+            /* Close all the current use interrupt, or it is convenient to directly close */
+            DisableAllIRQ();
+
+            /* Modify data flash, switch to ImageA */
+            SwitchImageFlag(IMAGE_A_FLAG);
+
+            /* Waiting for printing, jump to ImageB*/
+            Delay_Ms(10);
+            jumpApp();
+
+            /* Will not execute here */
+            NVIC_SystemReset();
+
+            break;
+        }
+        case CMD_IAP_INFO:
+        {
+            uint8_t send_buf[20];
+
+            PRINT("IAP_INFO \r\n");
+
+            /* IMAGE FLAG */
+            send_buf[0] = IMAGE_IAP_FLAG;
+
+            /* IMAGE_IAP_START_ADD */
+            send_buf[1] = (uint8_t)(IMAGE_IAP_START_ADD & 0xff);
+            send_buf[2] = (uint8_t)((IMAGE_IAP_START_ADD >> 8) & 0xff);
+            send_buf[3] = (uint8_t)((IMAGE_IAP_START_ADD >> 16) & 0xff);
+            send_buf[4] = (uint8_t)((IMAGE_IAP_START_ADD >> 24) & 0xff);
+
+            /* BLOCK SIZE */
+            send_buf[5] = (uint8_t)(FLASH_BLOCK_SIZE & 0xff);
+            send_buf[6] = (uint8_t)((FLASH_BLOCK_SIZE >> 8) & 0xff);
+
+            send_buf[7] = CHIP_ID&0xFF;
+            send_buf[8] = (CHIP_ID>>8)&0xFF;
+            /* Add more if necessary */
+
+            /* send message */
+            OTA_IAP_SendData(send_buf, 20);
+
+            break;
+        }
+
+        default:
+        {
+            OTA_IAP_CMDErrDeal();
+            break;
+        }
+    }
+}
+
+/*********************************************************************
+ * @fn      OTA_IAPReadDataComplete
+ *
+ * @brief   OTA data reading complete processing
+ *
+ * @param   index   - OTA channel serial number
+ *
+ * @return  none
+ */
+void OTA_IAPReadDataComplete(unsigned char index)
+{
+    PRINT("OTA Send Comp \r\n");
+}
+
+/*********************************************************************
+ * @fn      OTA_IAPWriteData
+ *
+ * @brief   OTA channel data receiving complete processing
+ *
+ * @param   index   - OTA channel serial number
+ * @param   p_data  - Written data
+ * @param   w_len   - Length
+ *
+ * @return  none
+ */
+void OTA_IAPWriteData(unsigned char index, unsigned char *p_data, unsigned char w_len)
+{
+    unsigned char  rec_len;
+    unsigned char *rec_data;
+
+    rec_len = w_len;
+    rec_data = p_data;
+    tmos_memcpy((unsigned char *)&iap_rec_data, rec_data, rec_len);
+    Rec_OTA_IAP_DataDeal();
+}
+
+/*********************************************************************
+ * @fn      FLASH_read
+ *
+ * @brief   Read flash
+ *
+ * @return  none
+ */
+void FLASH_read(uint32_t addr, uint8_t *pData, uint32_t len)
+{
+    uint32_t i;
+    for(i=0;i<len;i++)
+    {
+        *pData++ = *(uint8_t*)addr++;
+    }
+}
+
+/*********************************************************************
+*********************************************************************/
@@ -0,0 +1,121 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : main.c
+ * Author             : WCH
+ * Version            : V1.1
+ * Date               : 2019/11/05
+ * Description        : Upgrade slave application main function and task system initialization
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/******************************************************************************/
+/* Header file contains */
+#include "CONFIG.h"
+#include "HAL.h"
+#include "Peripheral.h"
+#include "OTA.h"
+#include "OTAprofile.h"
+
+/* ¼ÇÂ¼µ±Ç°µÄImage */
+unsigned char CurrImageFlag = 0xff;
+
+/*********************************************************************
+ * GLOBAL TYPEDEFS
+ */
+__attribute__((aligned(4))) uint32_t MEM_BUF[BLE_MEMHEAP_SIZE / 4];
+
+#if(defined(BLE_MAC)) && (BLE_MAC == TRUE)
+const uint8_t MacAddr[6] = {0x84, 0xC2, 0xE4, 0x03, 0x02, 0x02};
+#endif
+
+/* Note: The operation of Flash after the program is upgraded must be performed first 
+ * without turning on any interruption to prevent operation interruption and failure 
+ */
+/*********************************************************************
+ * @fn      ReadImageFlag
+ *
+ * @brief   Read the iMage logo of the current program. 
+ *          If the DataFlash is empty, it will be Imagea by default.
+ *
+ * @return  none
+ */
+void ReadImageFlag(void)
+{
+    OTADataFlashInfo_t p_image_flash;
+
+    FLASH_read(OTA_DATAFLASH_ADD, (uint8_t *)&p_image_flash, 4);
+    CurrImageFlag = p_image_flash.ImageFlag;
+
+    /* The program is executed for the first time, or it has not been updated, 
+     * and the DataFLASH is erased after being updated in the future 
+     */
+    if((p_image_flash.flag[0] != 0x5A) || (p_image_flash.flag[1] != 0x5A) || (p_image_flash.flag[2] != 0x5A))
+    {
+        CurrImageFlag = IMAGE_A_FLAG;
+    }
+
+    PRINT("Image Flag %02x\n", CurrImageFlag);
+
+    if(CurrImageFlag == IMAGE_A_FLAG)
+    {
+        PRINT("jump App \n");
+        Delay_Ms(5);
+        jumpApp();
+    }
+}
+
+/*********************************************************************
+ * @fn      Main_Circulation
+ *
+ * @brief   Main loop
+ *
+ * @return  none
+ */
+__attribute__((section(".highcode")))
+__attribute__((noinline))
+void Main_Circulation(void)
+{
+    while(1)
+    {
+        TMOS_SystemProcess();
+    }
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main function
+ *
+ * @return  none
+ */
+int main(void)
+{
+    Delay_Init();
+#ifdef DEBUG
+    USART_Printf_Init(115200);
+#endif
+    PRINT("%s\n", VER_LIB);
+    ReadImageFlag();
+    if(RCC_GetFlagStatus(RCC_FLAG_SFTRST) == SET)
+    {
+        // Soft reset does not jump app app
+    }
+    else
+    {
+        if(CurrImageFlag == IMAGE_OTA_FLAG)
+        {
+            PRINT("jump App \n");
+            Delay_Ms(5);
+            jumpApp();
+        }
+    }
+    WCHBLE_Init();
+    HAL_Init();
+    GAPRole_PeripheralInit();
+    Peripheral_Init();
+    Main_Circulation();
+}
+
+/******************************** endfile @ main ******************************/
@@ -0,0 +1,989 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : system_ch32v20x.c
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2021/06/06
+ * Description        : CH32V20x Device Peripheral Access Layer System Source File.
+ *                      For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
+ *                      For HSE = 8Mhz (other CH32V203x)
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+#include "ch32v20x.h" 
+
+/* 
+* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after 
+* reset the HSI is used as SYSCLK source).
+* If none of the define below is enabled, the HSI is used as System clock source. 
+*/
+//#define SYSCLK_FREQ_HSE    HSE_VALUE
+//#define SYSCLK_FREQ_48MHz_HSE  48000000
+//#define SYSCLK_FREQ_56MHz_HSE  56000000
+//#define SYSCLK_FREQ_72MHz_HSE  72000000
+#define SYSCLK_FREQ_96MHz_HSE  96000000
+//#define SYSCLK_FREQ_120MHz_HSE  120000000
+//#define SYSCLK_FREQ_144MHz_HSE  144000000
+//#define SYSCLK_FREQ_HSI    HSI_VALUE
+//#define SYSCLK_FREQ_48MHz_HSI  48000000
+//#define SYSCLK_FREQ_56MHz_HSI  56000000
+//#define SYSCLK_FREQ_72MHz_HSI  72000000
+//#define SYSCLK_FREQ_96MHz_HSI  96000000
+//#define SYSCLK_FREQ_120MHz_HSI  120000000
+//#define SYSCLK_FREQ_144MHz_HSI  144000000
+
+/* Clock Definitions */
+#ifdef SYSCLK_FREQ_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_HSE;              /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_48MHz_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_48MHz_HSE;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_56MHz_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_56MHz_HSE;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_72MHz_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_72MHz_HSE;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_96MHz_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_96MHz_HSE;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_120MHz_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_120MHz_HSE;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_144MHz_HSE
+uint32_t SystemCoreClock         = SYSCLK_FREQ_144MHz_HSE;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_48MHz_HSI
+uint32_t SystemCoreClock         = SYSCLK_FREQ_48MHz_HSI;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_56MHz_HSI
+uint32_t SystemCoreClock         = SYSCLK_FREQ_56MHz_HSI;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_72MHz_HSI
+uint32_t SystemCoreClock         = SYSCLK_FREQ_72MHz_HSI;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_96MHz_HSI
+uint32_t SystemCoreClock         = SYSCLK_FREQ_96MHz_HSI;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_120MHz_HSI
+uint32_t SystemCoreClock         = SYSCLK_FREQ_120MHz_HSI;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_144MHz_HSI
+uint32_t SystemCoreClock         = SYSCLK_FREQ_144MHz_HSI;        /* System Clock Frequency (Core Clock) */
+#else
+uint32_t SystemCoreClock         = HSI_VALUE;                    /* System Clock Frequency (Core Clock) */
+
+#endif
+
+__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
+
+
+/* system_private_function_proto_types */
+static void SetSysClock(void);
+
+#ifdef SYSCLK_FREQ_HSE
+static void SetSysClockToHSE( void );
+#elif defined SYSCLK_FREQ_48MHz_HSE
+static void SetSysClockTo48_HSE( void );
+#elif defined SYSCLK_FREQ_56MHz_HSE
+static void SetSysClockTo56_HSE( void );
+#elif defined SYSCLK_FREQ_72MHz_HSE
+static void SetSysClockTo72_HSE( void );
+#elif defined SYSCLK_FREQ_96MHz_HSE
+static void SetSysClockTo96_HSE( void );
+#elif defined SYSCLK_FREQ_120MHz_HSE
+static void SetSysClockTo120_HSE( void );
+#elif defined SYSCLK_FREQ_144MHz_HSE
+static void SetSysClockTo144_HSE( void );
+#elif defined SYSCLK_FREQ_48MHz_HSI
+static void SetSysClockTo48_HSI( void );
+#elif defined SYSCLK_FREQ_56MHz_HSI
+static void SetSysClockTo56_HSI( void );
+#elif defined SYSCLK_FREQ_72MHz_HSI
+static void SetSysClockTo72_HSI( void );
+#elif defined SYSCLK_FREQ_96MHz_HSI
+static void SetSysClockTo96_HSI( void );
+#elif defined SYSCLK_FREQ_120MHz_HSI
+static void SetSysClockTo120_HSI( void );
+#elif defined SYSCLK_FREQ_144MHz_HSI
+static void SetSysClockTo144_HSI( void );
+
+#endif
+
+/*********************************************************************
+ * @fn      SystemInit
+ *
+ * @brief   Setup the microcontroller system Initialize the Embedded Flash Interface,
+ *        the PLL and update the SystemCoreClock variable.
+ *
+ * @return  none
+ */
+void SystemInit (void)
+{
+  RCC->CTLR |= (uint32_t)0x00000001;
+  RCC->CFGR0 &= (uint32_t)0xF8FF0000;
+  RCC->CTLR &= (uint32_t)0xFEF6FFFF;
+  RCC->CTLR &= (uint32_t)0xFFFBFFFF;
+  RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
+  RCC->INTR = 0x009F0000;    
+  SetSysClock();
+}
+
+
+/*********************************************************************
+ * @fn      SystemCoreClockUpdate
+ *
+ * @brief   Update SystemCoreClock variable according to Clock Register Values.
+ *
+ * @return  none
+ */
+void SystemCoreClockUpdate (void)
+{
+  uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
+
+  tmp = RCC->CFGR0 & RCC_SWS;
+
+  switch (tmp)
+  {
+    case 0x00:
+      SystemCoreClock = HSI_VALUE;
+      break;
+    case 0x04:
+      SystemCoreClock = HSE_VALUE;
+      break;
+    case 0x08:
+      pllmull = RCC->CFGR0 & RCC_PLLMULL;
+      pllsource = RCC->CFGR0 & RCC_PLLSRC;
+      pllmull = ( pllmull >> 18) + 2;
+
+      if(pllmull == 17) pllmull = 18;
+
+      if (pllsource == 0x00)
+      {
+          if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
+              SystemCoreClock = HSI_VALUE * pllmull;
+          }
+          else{
+              SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
+          }
+      }
+      else
+      {
+#if defined (CH32V20x_D8W)
+        if((RCC->CFGR0 & (3<<22)) == (3<<22))
+        {
+          SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
+        }
+        else
+#endif
+        if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
+        {
+#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
+          SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
+#else
+          SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
+#endif
+        }
+        else
+        {
+#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
+            SystemCoreClock = (HSE_VALUE>>2) * pllmull;
+#else
+          SystemCoreClock = HSE_VALUE * pllmull;
+#endif
+        }
+      }
+
+      if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
+
+      break;
+    default:
+      SystemCoreClock = HSI_VALUE;
+      break;
+  }
+
+  tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
+  SystemCoreClock >>= tmp;
+}
+
+/*********************************************************************
+ * @fn      SetSysClock
+ *
+ * @brief   Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClock(void)
+{
+#ifdef SYSCLK_FREQ_HSE
+    SetSysClockToHSE();
+#elif defined SYSCLK_FREQ_48MHz_HSE
+    SetSysClockTo48_HSE();
+#elif defined SYSCLK_FREQ_56MHz_HSE
+    SetSysClockTo56_HSE();
+#elif defined SYSCLK_FREQ_72MHz_HSE
+    SetSysClockTo72_HSE();
+#elif defined SYSCLK_FREQ_96MHz_HSE
+    SetSysClockTo96_HSE();
+#elif defined SYSCLK_FREQ_120MHz_HSE
+    SetSysClockTo120_HSE();
+#elif defined SYSCLK_FREQ_144MHz_HSE
+    SetSysClockTo144_HSE();
+#elif defined SYSCLK_FREQ_48MHz_HSI
+    SetSysClockTo48_HSI();
+#elif defined SYSCLK_FREQ_56MHz_HSI
+    SetSysClockTo56_HSI();
+#elif defined SYSCLK_FREQ_72MHz_HSI
+    SetSysClockTo72_HSI();
+#elif defined SYSCLK_FREQ_96MHz_HSI
+    SetSysClockTo96_HSI();
+#elif defined SYSCLK_FREQ_120MHz_HSI
+    SetSysClockTo120_HSI();
+#elif defined SYSCLK_FREQ_144MHz_HSI
+    SetSysClockTo144_HSI();
+
+#endif
+ 
+ /* If none of the define above is enabled, the HSI is used as System clock
+  * source (default after reset) 
+	*/ 
+}
+
+
+#ifdef SYSCLK_FREQ_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockToHSE
+ *
+ * @brief   Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockToHSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+  
+   
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+ 
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;      
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
+    
+    /* Select HSE as system clock source 
+     *  CH32V20x_D6 (HSE=8MHZ)
+     *  CH32V20x_D8 (HSE=32MHZ)
+     *  CH32V20x_D8W (HSE=32MHZ)
+     */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;    
+
+    /* Wait till HSE is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
+    {
+    }
+  }
+  else
+  { 
+		/* If HSE fails to start-up, the application will have wrong clock 
+     * configuration. User can add here some code to deal with this error 
+		 */
+  }  
+}
+
+#elif defined SYSCLK_FREQ_48MHz_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockTo48_HSE
+ *
+ * @brief   Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo48_HSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+   
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;    
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;  
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
+     *  CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
+     *  CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
+     */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+     RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+		/* 
+		 * If HSE fails to start-up, the application will have wrong clock 
+     * configuration. User can add here some code to deal with this error 
+		 */
+  } 
+}
+
+#elif defined SYSCLK_FREQ_56MHz_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockTo56_HSE
+ *
+ * @brief   Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo56_HSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;   
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+  
+    /*  CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
+     *  CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
+     *  CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
+     */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+    RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+		/* 
+		 * If HSE fails to start-up, the application will have wrong clock 
+     * configuration. User can add here some code to deal with this error 
+		 */
+  } 
+}
+
+#elif defined SYSCLK_FREQ_72MHz_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockTo72_HSE
+ *
+ * @brief   Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo72_HSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+ 
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1; 
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1; 
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+ 
+    
+    /*  CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
+     *  CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
+     *  CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
+     */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+    RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }    
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+		/* 
+		 * If HSE fails to start-up, the application will have wrong clock 
+     * configuration. User can add here some code to deal with this error 
+		 */
+  }
+}
+
+
+#elif defined SYSCLK_FREQ_96MHz_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockTo96_HSE
+ *
+ * @brief   Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo96_HSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    
+    /*  CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
+     *  CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
+     *  CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
+     */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+    RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  {
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error
+         */
+  }
+}
+
+
+#elif defined SYSCLK_FREQ_120MHz_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockTo120_HSE
+ *
+ * @brief   Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo120_HSE(void)
+{
+    __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+
+    RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+    /* Wait till HSE is ready and if Time out is reached exit */
+    do
+    {
+        HSEStatus = RCC->CTLR & RCC_HSERDY;
+        StartUpCounter++;
+    } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+    if((RCC->CTLR & RCC_HSERDY) != RESET)
+    {
+        HSEStatus = (uint32_t)0x01;
+    }
+    else
+    {
+        HSEStatus = (uint32_t)0x00;
+    }
+
+    if(HSEStatus == (uint32_t)0x01)
+    {
+#if defined (CH32V20x_D8W)
+        RCC->CFGR0 |= (uint32_t)(3<<22);
+        /* HCLK = SYSCLK/2 */
+        RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
+#else
+        /* HCLK = SYSCLK */
+        RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+#endif
+        /* PCLK2 = HCLK */
+        RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+        /* PCLK1 = HCLK */
+        RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+        /*  CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
+         *  CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
+         *  CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
+         */
+        RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                              RCC_PLLMULL));
+
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
+
+        /* Enable PLL */
+        RCC->CTLR |= RCC_PLLON;
+        /* Wait till PLL is ready */
+        while((RCC->CTLR & RCC_PLLRDY) == 0)
+        {
+        }
+        /* Select PLL as system clock source */
+        RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
+        RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+        /* Wait till PLL is used as system clock source */
+        while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+        {
+        }
+    }
+    else
+    {
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+         * configuration. User can add here some code to deal with this error
+         */
+    }
+}
+#elif defined SYSCLK_FREQ_144MHz_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockTo144_HSE
+ *
+ * @brief   Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo144_HSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    
+    /*  CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
+     *  CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
+     *  CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
+     */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+    RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  {
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error
+         */
+  }
+}
+
+#elif defined SYSCLK_FREQ_48MHz_HSI
+
+/*********************************************************************
+ * @fn      SetSysClockTo48_HSI
+ *
+ * @brief   Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo48_HSI(void)
+{
+    EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
+
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+     RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+}
+
+#elif defined SYSCLK_FREQ_56MHz_HSI
+
+/*********************************************************************
+ * @fn      SetSysClockTo56_HSI
+ *
+ * @brief   Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo56_HSI(void)
+{
+    EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
+
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+     RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+}
+
+#elif defined SYSCLK_FREQ_72MHz_HSI
+
+/*********************************************************************
+ * @fn      SetSysClockTo72_HSI
+ *
+ * @brief   Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo72_HSI(void)
+{
+    EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
+
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+     RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+}
+
+
+#elif defined SYSCLK_FREQ_96MHz_HSI
+
+/*********************************************************************
+ * @fn      SetSysClockTo96_HSI
+ *
+ * @brief   Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo96_HSI(void)
+{
+    EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
+
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+     RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+}
+
+
+#elif defined SYSCLK_FREQ_120MHz_HSI
+
+/*********************************************************************
+ * @fn      SetSysClockTo120_HSI
+ *
+ * @brief   Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo120_HSI(void)
+{
+    EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
+
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                          RCC_PLLMULL));
+
+    RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+}
+#elif defined SYSCLK_FREQ_144MHz_HSI
+
+/*********************************************************************
+ * @fn      SetSysClockTo144_HSI
+ *
+ * @brief   Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo144_HSI(void)
+{
+    EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
+
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+     RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+}
+
+
+#endif
@@ -0,0 +1 @@
+ENTRY( _start )␍␍__stack_size = 2048;␍␍PROVIDE( _stack_size = __stack_size );␍␍␍MEMORY␍{  ␍/* CH32V20x_D6 - CH32V203F6-CH32V203G6-CH32V203K6-CH32V203C6 */␍/*␍	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K␍	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 10K␍*/ ␍␍/* CH32V20x_D6 - CH32V203K8-CH32V203C8-CH32V203G8-CH32V203F8 */␍/*␍	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K␍	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K␍*/ ␍  ␍/* CH32V20x_D8 - CH32V203RB␍   CH32V20x_D8W - CH32V208x␍   FLASH + RAM supports the following configuration␍   FLASH-128K + RAM-64K␍   FLASH-144K + RAM-48K␍   FLASH-160K + RAM-32K␍*/␍	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 16K␍	RAM (xrw) : ORIGIN = 0x20004000, LENGTH = 48K␍}␍␍    PROVIDE( __global_pointer$ = 0x20004000 );␍␍SECTIONS␍{␍␍	.init :␍	{␍		_sinit = .;␍		. = ALIGN(4);␍		KEEP(*(SORT_NONE(.init)))␍		. = ALIGN(4);␍		_einit = .;␍	} >FLASH AT>FLASH␍␍  .vector :␍  {␍      *(.vector);␍	  . = ALIGN(64);␍		KEEP(*(SORT_NONE(.handle_reset)))␍  } >FLASH AT>FLASH␍  ␍     .highcode : ␍    {␍        . = ALIGN(4);␍        *(.highcode);␍        *(.highcode.*);␍		. = ALIGN(4); ␍    } >FLASH AT>FLASH␍    ␍	.text :␍	{␍		. = ALIGN(4);␍		*(.text)␍		*(.text.*)␍		*(.rodata)␍		*(.rodata*)␍        *(.sdata2.*)␍		*(.gnu.linkonce.t.*)␍		. = ALIGN(4);␍	} >FLASH AT>FLASH ␍␍	.fini :␍	{␍		KEEP(*(SORT_NONE(.fini)))␍		. = ALIGN(4);␍	} >FLASH AT>FLASH␍␍	PROVIDE( _etext = . );␍	PROVIDE( _eitcm = . );	␍␍	.preinit_array  :␍	{␍	  PROVIDE_HIDDEN (__preinit_array_start = .);␍	  KEEP (*(.preinit_array))␍	  PROVIDE_HIDDEN (__preinit_array_end = .);␍	} >FLASH AT>FLASH ␍	␍	.init_array     :␍	{␍	  PROVIDE_HIDDEN (__init_array_start = .);␍	  KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))␍	  KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))␍	  PROVIDE_HIDDEN (__init_array_end = .);␍	} >FLASH AT>FLASH ␍	␍	.fini_array     :␍	{␍	  PROVIDE_HIDDEN (__fini_array_start = .);␍	  KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))␍	  KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))␍	  PROVIDE_HIDDEN (__fini_array_end = .);␍	} >FLASH AT>FLASH ␍	␍	.ctors          :␍	{␍	  /* gcc uses crtbegin.o to find the start of␍	     the constructors, so we make sure it is␍	     first.  Because this is a wildcard, it␍	     doesn't matter if the user does not␍	     actually link against crtbegin.o; the␍	     linker won't look for a file to match a␍	     wildcard.  The wildcard also means that it␍	     doesn't matter which directory crtbegin.o␍	     is in.  */␍	  KEEP (*crtbegin.o(.ctors))␍	  KEEP (*crtbegin?.o(.ctors))␍	  /* We don't want to include the .ctor section from␍	     the crtend.o file until after the sorted ctors.␍	     The .ctor section from the crtend file contains the␍	     end of ctors marker and it must be last */␍	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))␍	  KEEP (*(SORT(.ctors.*)))␍	  KEEP (*(.ctors))␍	} >FLASH AT>FLASH ␍	␍	.dtors          :␍	{␍	  KEEP (*crtbegin.o(.dtors))␍	  KEEP (*crtbegin?.o(.dtors))␍	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))␍	  KEEP (*(SORT(.dtors.*)))␍	  KEEP (*(.dtors))␍	} >FLASH AT>FLASH ␍␍	.dalign :␍	{␍		. = ALIGN(4);␍		PROVIDE(_data_vma = .);␍	} >RAM AT>FLASH	␍␍	.dlalign :␍	{␍		. = ALIGN(4); ␍		PROVIDE(_data_lma = .);␍	} >FLASH AT>FLASH␍␍	.data :␍	{␍    	*(.gnu.linkonce.r.*)␍    	*(.data .data.*)␍    	*(.gnu.linkonce.d.*)␍		. = ALIGN(8);␍    	PROVIDE( __global_pointer$ = . + 0x800 );␍    	*(.sdata .sdata.*)␍    	*(.gnu.linkonce.s.*)␍    	. = ALIGN(8);␍    	*(.srodata.cst16)␍    	*(.srodata.cst8)␍    	*(.srodata.cst4)␍    	*(.srodata.cst2)␍    	*(.srodata .srodata.*)␍    	. = ALIGN(4);␍		PROVIDE( _edata = .);␍	} >RAM AT>FLASH␍␍	.bss :␍	{␍		. = ALIGN(4);␍		PROVIDE( _sbss = .);␍  	    *(.sbss*)␍        *(.gnu.linkonce.sb.*)␍		*(.bss*)␍     	*(.gnu.linkonce.b.*)		␍		*(COMMON*)␍		. = ALIGN(4);␍		PROVIDE( _ebss = .);␍	} >RAM AT>FLASH␍␍	PROVIDE( _end = _ebss);␍	PROVIDE( end = . );␍␍    /*.stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :␍    {␍        PROVIDE( _heap_end = . );   ␍        . = ALIGN(4);␍        PROVIDE(_susrstack = . );␍        . = . + __stack_size;␍        PROVIDE( _eusrstack = .);␍    } >RAM */␍␍	.stack ORIGIN(RAM)+LENGTH(RAM) :␍	{␍        PROVIDE( _heap_end = . );   ␍		. = ALIGN(4);␍		PROVIDE(_eusrstack = . );␍	} >RAM  ␍}␍
@@ -0,0 +1,334 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : OTAprofile.C
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2018/12/10
+ * Description        : OTA upgrade Bluetooth communication interface
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/*********************************************************************
+ * INCLUDES
+ */
+#include "CONFIG.h"
+#include "OTAprofile.h"
+#include "debug.h"
+#include "ota.h"
+
+/*********************************************************************
+ * MACROS
+ */
+
+/*********************************************************************
+ * CONSTANTS
+ */
+
+/*********************************************************************
+ * TYPEDEFS
+ */
+
+/*********************************************************************
+ * GLOBAL VARIABLES
+ */
+// Simple GATT Profile Service UUID: 0xFFF0
+const uint8_t OTAProfileServUUID[ATT_BT_UUID_SIZE] = {
+    LO_UINT16(OTAPROFILE_SERV_UUID), HI_UINT16(OTAPROFILE_SERV_UUID)};
+
+// Characteristic 1 UUID: 0xFFF1
+const uint8_t OTAProfilechar1UUID[ATT_BT_UUID_SIZE] = {
+    LO_UINT16(OTAPROFILE_CHAR_UUID), HI_UINT16(OTAPROFILE_CHAR_UUID)};
+
+/*********************************************************************
+ * EXTERNAL VARIABLES
+ */
+
+/*********************************************************************
+ * EXTERNAL FUNCTIONS
+ */
+
+/*********************************************************************
+ * LOCAL VARIABLES
+ */
+
+static OTAProfileCBs_t *OTAProfile_AppCBs = NULL;
+
+/*********************************************************************
+ * Profile Attributes - variables
+ */
+
+// Simple Profile Service attribute
+static const gattAttrType_t OTAProfileService = {ATT_BT_UUID_SIZE, OTAProfileServUUID};
+
+// Simple Profile Characteristic 1 Properties
+static uint8_t OTAProfileCharProps = GATT_PROP_READ | GATT_PROP_WRITE | GATT_PROP_WRITE_NO_RSP;
+
+// Characteristic 1 Value
+static uint8_t OTAProfileChar = 0;
+
+// Simple Profile Characteristic 1 User Description
+static uint8_t OTAProfileCharUserDesp[12] = "OTA Channel";
+
+// write and read buffer
+static uint8_t OTAProfileReadLen;
+static uint8_t OTAProfileReadBuf[IAP_LEN];
+static uint8_t OTAProfileWriteLen;
+static uint8_t OTAProfileWriteBuf[IAP_LEN];
+
+/*********************************************************************
+ * Profile Attributes - Table
+ */
+
+static gattAttribute_t OTAProfileAttrTbl[4] = {
+    // Simple Profile Service
+    {
+        {ATT_BT_UUID_SIZE, primaryServiceUUID}, /* type */
+        GATT_PERMIT_READ,                       /* permissions */
+        0,                                      /* handle */
+        (uint8_t *)&OTAProfileService           /* pValue */
+    },
+
+    // Characteristic Declaration
+    {
+        {ATT_BT_UUID_SIZE, characterUUID},
+        GATT_PERMIT_READ,
+        0,
+        &OTAProfileCharProps},
+
+    // Characteristic Value
+    {
+        {ATT_BT_UUID_SIZE, OTAProfilechar1UUID},
+        GATT_PERMIT_READ | GATT_PERMIT_WRITE,
+        0,
+        &OTAProfileChar},
+
+    // Characteristic User Description
+    {
+        {ATT_BT_UUID_SIZE, charUserDescUUID},
+        GATT_PERMIT_READ,
+        0,
+        OTAProfileCharUserDesp},
+};
+
+/*********************************************************************
+ * LOCAL FUNCTIONS
+ */
+static bStatus_t OTAProfile_ReadAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
+                                       uint8_t *pValue, uint16_t *pLen, uint16_t offset, uint16_t maxLen, uint8_t method);
+static bStatus_t OTAProfile_WriteAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
+                                        uint8_t *pValue, uint16_t len, uint16_t offset, uint8_t method);
+
+/*********************************************************************
+ * PROFILE CALLBACKS
+ */
+// OTA Profile Service Callbacks
+gattServiceCBs_t OTAProfileCBs = {
+    OTAProfile_ReadAttrCB,  // Read callback function pointer
+    OTAProfile_WriteAttrCB, // Write callback function pointer
+    NULL                    // Authorization callback function pointer
+};
+
+/*********************************************************************
+ * PUBLIC FUNCTIONS
+ */
+
+/*********************************************************************
+ * @fn      OTAProfile_AddService
+ *
+ * @brief   OTA Profile initialization
+ *
+ * @param   services    - Service control
+ *
+ * @return  Initialization state
+ */
+bStatus_t OTAProfile_AddService(uint32_t services)
+{
+    uint8_t status = SUCCESS;
+
+    if(services & OTAPROFILE_SERVICE)
+    {
+        // Register GATT attribute list and CBs with GATT Server App
+        status = GATTServApp_RegisterService(OTAProfileAttrTbl,
+                                             GATT_NUM_ATTRS(OTAProfileAttrTbl),
+                                             GATT_MAX_ENCRYPT_KEY_SIZE,
+                                             &OTAProfileCBs);
+    }
+
+    return (status);
+}
+
+/*********************************************************************
+ * @fn      OTAProfile_RegisterAppCBs
+ *
+ * @brief   OTA Profile read and write recovery function registration
+ *
+ * @param   appCallbacks    - Function structure pointer
+ *
+ * @return  Function execution status
+ */
+bStatus_t OTAProfile_RegisterAppCBs(OTAProfileCBs_t *appCallbacks)
+{
+    if(appCallbacks)
+    {
+        OTAProfile_AppCBs = appCallbacks;
+
+        return (SUCCESS);
+    }
+    else
+    {
+        return (bleAlreadyInRequestedMode);
+    }
+}
+
+/*********************************************************************
+ * @fn          OTAProfile_ReadAttrCB
+ *
+ * @brief       Read an attribute.
+ *
+ * @param       connHandle - connection message was received on
+ * @param       pAttr - pointer to attribute
+ * @param       pValue - pointer to data to be read
+ * @param       pLen - length of data to be read
+ * @param       offset - offset of the first octet to be read
+ * @param       maxLen - maximum length of data to be read
+ *
+ * @return      Success or Failure
+ */
+static bStatus_t OTAProfile_ReadAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
+                                       uint8_t *pValue, uint16_t *pLen, uint16_t offset, uint16_t maxLen, uint8_t method)
+{
+    bStatus_t status = SUCCESS;
+
+    if(pAttr->type.len == ATT_BT_UUID_SIZE)
+    {
+        // 16-bit UUID
+        uint16_t uuid = BUILD_UINT16(pAttr->type.uuid[0], pAttr->type.uuid[1]);
+
+        switch(uuid)
+        {
+            case OTAPROFILE_CHAR_UUID:
+            {
+                *pLen = 0;
+                if(OTAProfileReadLen)
+                {
+                    *pLen = OTAProfileReadLen;
+                    tmos_memcpy(pValue, OTAProfileReadBuf, OTAProfileReadLen);
+                    OTAProfileReadLen = 0;
+                    if(OTAProfile_AppCBs && OTAProfile_AppCBs->pfnOTAProfileRead)
+                    {
+                        OTAProfile_AppCBs->pfnOTAProfileRead(OTAPROFILE_CHAR);
+                    }
+                }
+                break;
+            }
+            default:
+            {
+                // Should never get here! (characteristics 3 and 4 do not have read permissions)
+                *pLen = 0;
+                status = ATT_ERR_ATTR_NOT_FOUND;
+                break;
+            }
+        }
+    }
+    else
+    {
+        // 128-bit UUID
+        *pLen = 0;
+        status = ATT_ERR_INVALID_HANDLE;
+    }
+
+    return (status);
+}
+
+/*********************************************************************
+ * @fn      OTAProfile_WriteAttrCB
+ *
+ * @brief   Validate attribute data prior to a write operation
+ *
+ * @param   connHandle - connection message was received on
+ * @param   pAttr - pointer to attribute
+ * @param   pValue - pointer to data to be written
+ * @param   len - length of data
+ * @param   offset - offset of the first octet to be written
+ *
+ * @return  Success or Failure
+ */
+static bStatus_t OTAProfile_WriteAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
+                                        uint8_t *pValue, uint16_t len, uint16_t offset, uint8_t method)
+{
+    bStatus_t status = SUCCESS;
+    //uint8_t notifyApp = 0xFF;
+
+    if(pAttr->type.len == ATT_BT_UUID_SIZE)
+    {
+        // 16-bit UUID
+        uint16_t uuid = BUILD_UINT16(pAttr->type.uuid[0], pAttr->type.uuid[1]);
+
+        switch(uuid)
+        {
+            case OTAPROFILE_CHAR_UUID:
+            {
+                //Write the value
+                if(status == SUCCESS)
+                {
+                    uint16_t i;
+                    uint8_t *p_rec_buf;
+
+                    OTAProfileWriteLen = len;
+                    p_rec_buf = pValue;
+                    for(i = 0; i < OTAProfileWriteLen; i++)
+                        OTAProfileWriteBuf[i] = p_rec_buf[i];
+                }
+                break;
+            }
+
+            default:
+                // Should never get here! (characteristics 2 and 4 do not have write permissions)
+                status = ATT_ERR_ATTR_NOT_FOUND;
+                break;
+        }
+    }
+    else
+    {
+        // 128-bit UUID
+        status = ATT_ERR_INVALID_HANDLE;
+    }
+
+    if(OTAProfileWriteLen && OTAProfile_AppCBs && OTAProfile_AppCBs->pfnOTAProfileWrite)
+    {
+        OTAProfile_AppCBs->pfnOTAProfileWrite(OTAPROFILE_CHAR, OTAProfileWriteBuf, OTAProfileWriteLen);
+        OTAProfileWriteLen = 0;
+    }
+
+    return (status);
+}
+
+/*********************************************************************
+ * @fn      OTAProfile_SendData
+ *
+ * @brief   OTA Profile channel send data
+ *
+ * @param   paramID     - OTA channel selection
+ * @param   p_data      - Data pointer
+ * @param   send_len    - Send data length
+ *
+ * @return  Function execution status
+ */
+bStatus_t OTAProfile_SendData(unsigned char paramID, unsigned char *p_data, unsigned char send_len)
+{
+    bStatus_t status = SUCCESS;
+
+    /* Data length exceeds range */
+    if(send_len > 20)
+        return 0xfe;
+
+    OTAProfileReadLen = send_len;
+    tmos_memcpy(OTAProfileReadBuf, p_data, OTAProfileReadLen);
+
+    return status;
+}
+
+/*********************************************************************
+*********************************************************************/
@@ -0,0 +1,102 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : OTAprofile.h
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2018/12/11
+ * Description        :
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#ifndef OTAPROFILE_H
+#define OTAPROFILE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************************************************************
+ * INCLUDES
+ */
+
+/*********************************************************************
+ * CONSTANTS
+ */
+
+// OTA Profile通道Index定义
+#define OTAPROFILE_CHAR         0
+
+// OTA 服务的UUID定义
+#define OTAPROFILE_SERV_UUID    0xFEE0
+
+// OTA 通讯通道UUID定义
+#define OTAPROFILE_CHAR_UUID    0xFEE1
+
+// Simple Keys Profile Services bit fields
+#define OTAPROFILE_SERVICE      0x00000001
+
+/*********************************************************************
+ * TYPEDEFS
+ */
+
+/*********************************************************************
+ * MACROS
+ */
+
+/*********************************************************************
+ * Profile Callbacks
+ */
+
+// 读写操作函数回调
+typedef void (*OTAProfileRead_t)(unsigned char paramID);
+typedef void (*OTAProfileWrite_t)(unsigned char paramID, unsigned char *p_data, unsigned char w_len);
+
+typedef struct
+{
+    OTAProfileRead_t  pfnOTAProfileRead;
+    OTAProfileWrite_t pfnOTAProfileWrite;
+} OTAProfileCBs_t;
+
+/*********************************************************************
+ * API FUNCTIONS
+ */
+
+/**
+ * @brief   OTA Profile初始化
+ *
+ * @param   services    - 服务控制字
+ *
+ * @return  初始化的状态
+ */
+bStatus_t OTAProfile_AddService(uint32_t services);
+
+/**
+ * @brief   OTA Profile读写回调函数注册
+ *
+ * @param   appCallbacks    - 函数结构体指针
+ *
+ * @return  函数执行状态
+ */
+bStatus_t OTAProfile_RegisterAppCBs(OTAProfileCBs_t *appCallbacks);
+
+/**
+ * @brief   OTA Profile通道发送数据
+ *
+ * @param   paramID     - OTA通道选择
+ * @param   p_data      - 数据指针
+ * @param   send_len    - 发送数据长度
+ *
+ * @return  函数执行状态
+ */
+bStatus_t OTAProfile_SendData(unsigned char paramID, unsigned char *p_data, unsigned char send_len);
+
+/*********************************************************************
+*********************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
@@ -0,0 +1,123 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : gattprofile.h
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2018/12/11
+ * Description        :
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#ifndef GATTPROFILE_H
+#define GATTPROFILE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************************************************************
+ * INCLUDES
+ */
+
+/*********************************************************************
+ * CONSTANTS
+ */
+
+// Profile Parameters
+#define SIMPLEPROFILE_CHAR1         0           // RW uint8_t - Profile Characteristic 1 value
+#define SIMPLEPROFILE_CHAR2         1           // RW uint8_t - Profile Characteristic 2 value
+#define SIMPLEPROFILE_CHAR3         2           // RW uint8_t - Profile Characteristic 3 value
+#define SIMPLEPROFILE_CHAR4         3           // RW uint8_t - Profile Characteristic 4 value
+#define SIMPLEPROFILE_CHAR5         4           // RW uint8_t - Profile Characteristic 4 value
+
+// Simple Profile Service UUID
+#define SIMPLEPROFILE_SERV_UUID     0xFFE0
+
+// Key Pressed UUID
+#define SIMPLEPROFILE_CHAR1_UUID    0xFFE1
+#define SIMPLEPROFILE_CHAR2_UUID    0xFFE2
+#define SIMPLEPROFILE_CHAR3_UUID    0xFFE3
+#define SIMPLEPROFILE_CHAR4_UUID    0xFFE4
+#define SIMPLEPROFILE_CHAR5_UUID    0xFFE5
+
+// Simple Keys Profile Services bit fields
+#define SIMPLEPROFILE_SERVICE       0x00000001
+
+// Length of Characteristic 5 in bytes
+#define SIMPLEPROFILE_CHAR4_LEN     8
+#define SIMPLEPROFILE_CHAR5_LEN     5
+
+/*********************************************************************
+ * TYPEDEFS
+ */
+
+/*********************************************************************
+ * MACROS
+ */
+
+/*********************************************************************
+ * Profile Callbacks
+ */
+
+// Callback when a characteristic value has changed
+typedef void (*simpleProfileChange_t)(uint8_t paramID);
+
+typedef struct
+{
+    simpleProfileChange_t pfnSimpleProfileChange; // Called when characteristic value changes
+} simpleProfileCBs_t;
+
+/*********************************************************************
+ * API FUNCTIONS
+ */
+
+/*
+ * SimpleProfile_AddService- Initializes the Simple GATT Profile service by registering
+ *          GATT attributes with the GATT server.
+ *
+ * @param   services - services to add. This is a bit map and can
+ *                     contain more than one service.
+ */
+extern bStatus_t SimpleProfile_AddService(uint32_t services);
+
+/*
+ * SimpleProfile_RegisterAppCBs - Registers the application callback function.
+ *                    Only call this function once.
+ *
+ *    appCallbacks - pointer to application callbacks.
+ */
+extern bStatus_t SimpleProfile_RegisterAppCBs(simpleProfileCBs_t *appCallbacks);
+
+/*
+ * SimpleProfile_SetParameter - Set a Simple GATT Profile parameter.
+ *
+ *    param - Profile parameter ID
+ *    len - length of data to right
+ *    value - pointer to data to write.  This is dependent on
+ *          the parameter ID and WILL be cast to the appropriate
+ *          data type (example: data type of uint16_t will be cast to
+ *          uint16_t pointer).
+ */
+extern bStatus_t SimpleProfile_SetParameter(uint8_t param, uint16_t len, void *value);
+
+/*
+ * SimpleProfile_GetParameter - Get a Simple GATT Profile parameter.
+ *
+ *    param - Profile parameter ID
+ *    value - pointer to data to write.  This is dependent on
+ *          the parameter ID and WILL be cast to the appropriate
+ *          data type (example: data type of uint16_t will be cast to
+ *          uint16_t pointer).
+ */
+extern bStatus_t SimpleProfile_GetParameter(uint8_t param, void *value);
+
+/*********************************************************************
+*********************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
@@ -0,0 +1,289 @@
+;/********************************** (C) COPYRIGHT *******************************
+;* File Name          : startup_ch32v20x_D8W.s
+;* Author             : WCH
+;* Version            : V1.0.0
+;* Date               : 2021/06/06
+;* Description        : CH32V208x
+;*                    vector table for eclipse toolchain.
+;*********************************************************************************
+;* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+;* Attention: This software (modified or not) and binary are used for 
+;* microcontroller manufactured by Nanjing Qinheng Microelectronics.
+*******************************************************************************/
+
+	.section	.init,"ax",@progbits
+	.global	_start
+	.align	1
+_start:
+	j	handle_reset
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00000013
+	.word 0x00100073
+    .section    .vector,"ax",@progbits
+    .align  1
+_vector_base:
+    .option norvc;
+    .word   _start
+    .word   0
+    .word   NMI_Handler                /* NMI */
+    .word   HardFault_Handler          /* Hard Fault */
+    .word   0
+    .word   Ecall_M_Mode_Handler       /* Ecall M Mode */
+    .word   0
+    .word   0
+    .word   Ecall_U_Mode_Handler       /* Ecall U Mode */
+    .word   Break_Point_Handler        /* Break Point */
+    .word   0
+    .word   0
+    .word   SysTick_Handler            /* SysTick */
+    .word   0
+    .word   SW_Handler                 /* SW */
+    .word   0
+    /* External Interrupts */
+    .word   WWDG_IRQHandler            /* Window Watchdog */
+    .word   PVD_IRQHandler             /* PVD through EXTI Line detect */
+    .word   TAMPER_IRQHandler          /* TAMPER */
+    .word   RTC_IRQHandler             /* RTC */
+    .word   FLASH_IRQHandler           /* Flash */
+    .word   RCC_IRQHandler             /* RCC */
+    .word   EXTI0_IRQHandler           /* EXTI Line 0 */
+    .word   EXTI1_IRQHandler           /* EXTI Line 1 */
+    .word   EXTI2_IRQHandler           /* EXTI Line 2 */
+    .word   EXTI3_IRQHandler           /* EXTI Line 3 */
+    .word   EXTI4_IRQHandler           /* EXTI Line 4 */
+    .word   DMA1_Channel1_IRQHandler   /* DMA1 Channel 1 */
+    .word   DMA1_Channel2_IRQHandler   /* DMA1 Channel 2 */
+    .word   DMA1_Channel3_IRQHandler   /* DMA1 Channel 3 */
+    .word   DMA1_Channel4_IRQHandler   /* DMA1 Channel 4 */
+    .word   DMA1_Channel5_IRQHandler   /* DMA1 Channel 5 */
+    .word   DMA1_Channel6_IRQHandler   /* DMA1 Channel 6 */
+    .word   DMA1_Channel7_IRQHandler   /* DMA1 Channel 7 */
+    .word   ADC1_2_IRQHandler          /* ADC1_2 */
+    .word   USB_HP_CAN1_TX_IRQHandler  /* USB HP and CAN1 TX */
+    .word   USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
+    .word   CAN1_RX1_IRQHandler        /* CAN1 RX1 */
+    .word   CAN1_SCE_IRQHandler        /* CAN1 SCE */
+    .word   EXTI9_5_IRQHandler         /* EXTI Line 9..5 */
+    .word   TIM1_BRK_IRQHandler        /* TIM1 Break */
+    .word   TIM1_UP_IRQHandler         /* TIM1 Update */
+    .word   TIM1_TRG_COM_IRQHandler    /* TIM1 Trigger and Commutation */
+    .word   TIM1_CC_IRQHandler         /* TIM1 Capture Compare */
+    .word   TIM2_IRQHandler            /* TIM2 */
+    .word   TIM3_IRQHandler            /* TIM3 */
+    .word   TIM4_IRQHandler            /* TIM4 */
+    .word   I2C1_EV_IRQHandler         /* I2C1 Event */
+    .word   I2C1_ER_IRQHandler         /* I2C1 Error */
+    .word   I2C2_EV_IRQHandler         /* I2C2 Event */
+    .word   I2C2_ER_IRQHandler         /* I2C2 Error */
+    .word   SPI1_IRQHandler            /* SPI1 */
+    .word   SPI2_IRQHandler            /* SPI2 */
+    .word   USART1_IRQHandler          /* USART1 */
+    .word   USART2_IRQHandler          /* USART2 */
+    .word   USART3_IRQHandler          /* USART3 */
+    .word   EXTI15_10_IRQHandler       /* EXTI Line 15..10 */
+    .word   RTCAlarm_IRQHandler        /* RTC Alarm through EXTI Line */
+    .word   USBWakeUp_IRQHandler       /* USB Wake up from suspend */
+    .word   USBHD_IRQHandler           /* USBHD Break */
+    .word   USBHDWakeUp_IRQHandler     /* USBHD Wake up from suspend */
+    .word   ETH_IRQHandler             /* ETH global */
+    .word   ETHWakeUp_IRQHandler       /* ETH Wake up */
+    .word   BB_IRQHandler              /* BLE BB */
+    .word   LLE_IRQHandler             /* BLE LLE */
+    .word   TIM5_IRQHandler            /* TIM5 */
+    .word   UART4_IRQHandler           /* UART4 */
+    .word   DMA1_Channel8_IRQHandler   /* DMA1 Channel8 */
+    .word   OSC32KCal_IRQHandler       /* OSC32KCal */
+    .word   OSCWakeUp_IRQHandler       /* OSC Wake Up */
+
+    .option rvc;
+
+    .section    .text.vector_handler, "ax", @progbits
+    .weak   NMI_Handler                /* NMI */
+    .weak   HardFault_Handler          /* Hard Fault */
+    .weak   Ecall_M_Mode_Handler       /* Ecall M Mode */
+    .weak   Ecall_U_Mode_Handler       /* Ecall U Mode */
+    .weak   Break_Point_Handler        /* Break Point */
+    .weak   SysTick_Handler            /* SysTick */
+    .weak   SW_Handler                 /* SW */
+    .weak   WWDG_IRQHandler            /* Window Watchdog */
+    .weak   PVD_IRQHandler             /* PVD through EXTI Line detect */
+    .weak   TAMPER_IRQHandler          /* TAMPER */
+    .weak   RTC_IRQHandler             /* RTC */
+    .weak   FLASH_IRQHandler           /* Flash */
+    .weak   RCC_IRQHandler             /* RCC */
+    .weak   EXTI0_IRQHandler           /* EXTI Line 0 */
+    .weak   EXTI1_IRQHandler           /* EXTI Line 1 */
+    .weak   EXTI2_IRQHandler           /* EXTI Line 2 */
+    .weak   EXTI3_IRQHandler           /* EXTI Line 3 */
+    .weak   EXTI4_IRQHandler           /* EXTI Line 4 */
+    .weak   DMA1_Channel1_IRQHandler   /* DMA1 Channel 1 */
+    .weak   DMA1_Channel2_IRQHandler   /* DMA1 Channel 2 */
+    .weak   DMA1_Channel3_IRQHandler   /* DMA1 Channel 3 */
+    .weak   DMA1_Channel4_IRQHandler   /* DMA1 Channel 4 */
+    .weak   DMA1_Channel5_IRQHandler   /* DMA1 Channel 5 */
+    .weak   DMA1_Channel6_IRQHandler   /* DMA1 Channel 6 */
+    .weak   DMA1_Channel7_IRQHandler   /* DMA1 Channel 7 */
+    .weak   ADC1_2_IRQHandler          /* ADC1_2 */
+    .weak   USB_HP_CAN1_TX_IRQHandler  /* USB HP and CAN1 TX */
+    .weak   USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
+    .weak   CAN1_RX1_IRQHandler        /* CAN1 RX1 */
+    .weak   CAN1_SCE_IRQHandler        /* CAN1 SCE */
+    .weak   EXTI9_5_IRQHandler         /* EXTI Line 9..5 */
+    .weak   TIM1_BRK_IRQHandler        /* TIM1 Break */
+    .weak   TIM1_UP_IRQHandler         /* TIM1 Update */
+    .weak   TIM1_TRG_COM_IRQHandler    /* TIM1 Trigger and Commutation */
+    .weak   TIM1_CC_IRQHandler         /* TIM1 Capture Compare */
+    .weak   TIM2_IRQHandler            /* TIM2 */
+    .weak   TIM3_IRQHandler            /* TIM3 */
+    .weak   TIM4_IRQHandler            /* TIM4 */
+    .weak   I2C1_EV_IRQHandler         /* I2C1 Event */
+    .weak   I2C1_ER_IRQHandler         /* I2C1 Error */
+    .weak   I2C2_EV_IRQHandler         /* I2C2 Event */
+    .weak   I2C2_ER_IRQHandler         /* I2C2 Error */
+    .weak   SPI1_IRQHandler            /* SPI1 */
+    .weak   SPI2_IRQHandler            /* SPI2 */
+    .weak   USART1_IRQHandler          /* USART1 */
+    .weak   USART2_IRQHandler          /* USART2 */
+    .weak   USART3_IRQHandler          /* USART3 */
+    .weak   EXTI15_10_IRQHandler       /* EXTI Line 15..10 */
+    .weak   RTCAlarm_IRQHandler        /* RTC Alarm through EXTI Line */
+    .weak   USBWakeUp_IRQHandler       /* USB Wakeup from suspend */
+    .weak   USBHD_IRQHandler           /* USBHD */
+    .weak   USBHDWakeUp_IRQHandler     /* USBHD Wake Up */
+    .weak   ETH_IRQHandler             /* ETH global */
+    .weak   ETHWakeUp_IRQHandler       /* ETHWakeUp */
+    .weak   BB_IRQHandler              /* BB */
+    .weak   LLE_IRQHandler             /* LLE */
+    .weak   TIM5_IRQHandler            /* TIM5 */
+    .weak   UART4_IRQHandler           /* UART4 */
+    .weak   DMA1_Channel8_IRQHandler   /* DMA1 Channel8 */
+    .weak   OSC32KCal_IRQHandler       /* OSC32 KCal */
+    .weak   OSCWakeUp_IRQHandler       /* OSC Wake Up */
+
+NMI_Handler:  1:  j 1b
+HardFault_Handler:  1:  j 1b
+Ecall_M_Mode_Handler:  1:  j 1b
+Ecall_U_Mode_Handler:  1:  j 1b
+Break_Point_Handler:  1:  j 1b
+SysTick_Handler:  1:  j 1b
+SW_Handler:  1:  j 1b
+WWDG_IRQHandler:  1:  j 1b
+PVD_IRQHandler:  1:  j 1b
+TAMPER_IRQHandler:  1:  j 1b
+RTC_IRQHandler:  1:  j 1b
+FLASH_IRQHandler:  1:  j 1b
+RCC_IRQHandler:  1:  j 1b
+EXTI0_IRQHandler:  1:  j 1b
+EXTI1_IRQHandler:  1:  j 1b
+EXTI2_IRQHandler:  1:  j 1b
+EXTI3_IRQHandler:  1:  j 1b
+EXTI4_IRQHandler:  1:  j 1b
+DMA1_Channel1_IRQHandler:  1:  j 1b
+DMA1_Channel2_IRQHandler:  1:  j 1b
+DMA1_Channel3_IRQHandler:  1:  j 1b
+DMA1_Channel4_IRQHandler:  1:  j 1b
+DMA1_Channel5_IRQHandler:  1:  j 1b
+DMA1_Channel6_IRQHandler:  1:  j 1b
+DMA1_Channel7_IRQHandler:  1:  j 1b
+ADC1_2_IRQHandler:  1:  j 1b
+USB_HP_CAN1_TX_IRQHandler:  1:  j 1b
+USB_LP_CAN1_RX0_IRQHandler:  1:  j 1b
+CAN1_RX1_IRQHandler:  1:  j 1b
+CAN1_SCE_IRQHandler:  1:  j 1b
+EXTI9_5_IRQHandler:  1:  j 1b
+TIM1_BRK_IRQHandler:  1:  j 1b
+TIM1_UP_IRQHandler:  1:  j 1b
+TIM1_TRG_COM_IRQHandler:  1:  j 1b
+TIM1_CC_IRQHandler:  1:  j 1b
+TIM2_IRQHandler:  1:  j 1b
+TIM3_IRQHandler:  1:  j 1b
+TIM4_IRQHandler:  1:  j 1b
+I2C1_EV_IRQHandler:  1:  j 1b
+I2C1_ER_IRQHandler:  1:  j 1b
+I2C2_EV_IRQHandler:  1:  j 1b
+I2C2_ER_IRQHandler:  1:  j 1b
+SPI1_IRQHandler:  1:  j 1b
+SPI2_IRQHandler:  1:  j 1b
+USART1_IRQHandler:  1:  j 1b
+USART2_IRQHandler:  1:  j 1b
+USART3_IRQHandler:  1:  j 1b
+EXTI15_10_IRQHandler:  1:  j 1b
+RTCAlarm_IRQHandler:  1:  j 1b
+USBWakeUp_IRQHandler:  1:  j 1b
+USBHD_IRQHandler:  1:  j 1b
+USBHDWakeUp_IRQHandler:  1:  j 1b
+ETH_IRQHandler:  1:  j 1b
+ETHWakeUp_IRQHandler:  1:  j 1b
+BB_IRQHandler:  1:  j 1b
+LLE_IRQHandler:  1:  j 1b
+TIM5_IRQHandler:  1:  j 1b
+UART4_IRQHandler:  1:  j 1b
+DMA1_Channel8_IRQHandler:  1:  j 1b
+OSC32KCal_IRQHandler:  1:  j 1b
+OSCWakeUp_IRQHandler:  1:  j 1b
+
+	.section	.text.handle_reset,"ax",@progbits
+	.weak	handle_reset
+	.align	1
+handle_reset:
+.option push 
+.option	norelax 
+	la gp, __global_pointer$
+.option	pop 
+1:
+	la sp, _eusrstack 
+2:
+	/* Load data section from flash to RAM */
+	la a0, _data_lma
+	la a1, _data_vma
+	la a2, _edata
+	bgeu a1, a2, 2f
+1:
+	lw t0, (a0)
+	sw t0, (a1)
+	addi a0, a0, 4
+	addi a1, a1, 4
+	bltu a1, a2, 1b
+2:
+	/* Clear bss section */
+	la a0, _sbss
+	la a1, _ebss
+	bgeu a0, a1, 2f
+1:
+	sw zero, (a0)
+	addi a0, a0, 4
+	bltu a0, a1, 1b
+2:
+    li t0, 0x1f
+    csrw 0xbc0, t0
+
+    /* Enable nested and hardware stack */
+	li t0, 0x3
+	csrw 0x804, t0
+
+    /* Enable interrupt */
+    li t0, 0x1888
+   	csrs mstatus, t0
+
+ 	la t0, _vector_base
+    ori t0, t0, 3           
+	csrw mtvec, t0
+
+    jal  SystemInit
+	la t0, main
+	csrw mepc, t0
+
+    j 0x40000
+	mret
+
+
				`@@ -0,0 +1 @@`
				ENTRY( _start )␍␍__stack_size = 2048;␍␍PROVIDE( _stack_size = __stack_size );␍␍␍MEMORY␍{ ␍/* CH32V20x_D6 - CH32V203F6-CH32V203G6-CH32V203K6-CH32V203C6 /␍/␍ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K␍ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 10K␍/ ␍␍/ CH32V20x_D6 - CH32V203K8-CH32V203C8-CH32V203G8-CH32V203F8 /␍/␍ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K␍ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K␍/ ␍ ␍/ CH32V20x_D8 - CH32V203RB␍ CH32V20x_D8W - CH32V208x␍ FLASH + RAM supports the following configuration␍ FLASH-128K + RAM-64K␍ FLASH-144K + RAM-48K␍ FLASH-160K + RAM-32K␍/␍ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 16K␍ RAM (xrw) : ORIGIN = 0x20004000, LENGTH = 48K␍}␍␍ PROVIDE( __global_pointer$ = 0x20004000 );␍␍SECTIONS␍{␍␍ .init :␍ {␍ _sinit = .;␍ . = ALIGN(4);␍ KEEP((SORT_NONE(.init)))␍ . = ALIGN(4);␍ _einit = .;␍ } >FLASH AT>FLASH␍␍ .vector :␍ {␍ (.vector);␍ . = ALIGN(64);␍ KEEP((SORT_NONE(.handle_reset)))␍ } >FLASH AT>FLASH␍ ␍ .highcode : ␍ {␍ . = ALIGN(4);␍ (.highcode);␍ (.highcode.);␍ . = ALIGN(4); ␍ } >FLASH AT>FLASH␍ ␍ .text :␍ {␍ . = ALIGN(4);␍ (.text)␍ (.text.)␍ (.rodata)␍ (.rodata)␍ (.sdata2.)␍ (.gnu.linkonce.t.)␍ . = ALIGN(4);␍ } >FLASH AT>FLASH ␍␍ .fini :␍ {␍ KEEP((SORT_NONE(.fini)))␍ . = ALIGN(4);␍ } >FLASH AT>FLASH␍␍ PROVIDE( _etext = . );␍ PROVIDE( _eitcm = . ); ␍␍ .preinit_array :␍ {␍ PROVIDE_HIDDEN (__preinit_array_start = .);␍ KEEP ((.preinit_array))␍ PROVIDE_HIDDEN (__preinit_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .init_array :␍ {␍ PROVIDE_HIDDEN (__init_array_start = .);␍ KEEP ((SORT_BY_INIT_PRIORITY(.init_array.) SORT_BY_INIT_PRIORITY(.ctors.)))␍ KEEP ((.init_array EXCLUDE_FILE (crtbegin.o crtbegin?.o crtend.o crtend?.o ) .ctors))␍ PROVIDE_HIDDEN (__init_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .fini_array :␍ {␍ PROVIDE_HIDDEN (__fini_array_start = .);␍ KEEP ((SORT_BY_INIT_PRIORITY(.fini_array.) SORT_BY_INIT_PRIORITY(.dtors.)))␍ KEEP ((.fini_array EXCLUDE_FILE (crtbegin.o crtbegin?.o crtend.o crtend?.o ) .dtors))␍ PROVIDE_HIDDEN (__fini_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .ctors :␍ {␍ / gcc uses crtbegin.o to find the start of␍ the constructors, so we make sure it is␍ first. Because this is a wildcard, it␍ doesn't matter if the user does not␍ actually link against crtbegin.o; the␍ linker won't look for a file to match a␍ wildcard. The wildcard also means that it␍ doesn't matter which directory crtbegin.o␍ is in. /␍ KEEP (crtbegin.o(.ctors))␍ KEEP (crtbegin?.o(.ctors))␍ / We don't want to include the .ctor section from␍ the crtend.o file until after the sorted ctors.␍ The .ctor section from the crtend file contains the␍ end of ctors marker and it must be last /␍ KEEP ((EXCLUDE_FILE (crtend.o crtend?.o ) .ctors))␍ KEEP ((SORT(.ctors.)))␍ KEEP ((.ctors))␍ } >FLASH AT>FLASH ␍ ␍ .dtors :␍ {␍ KEEP (crtbegin.o(.dtors))␍ KEEP (crtbegin?.o(.dtors))␍ KEEP ((EXCLUDE_FILE (crtend.o crtend?.o ) .dtors))␍ KEEP ((SORT(.dtors.)))␍ KEEP ((.dtors))␍ } >FLASH AT>FLASH ␍␍ .dalign :␍ {␍ . = ALIGN(4);␍ PROVIDE(_data_vma = .);␍ } >RAM AT>FLASH ␍␍ .dlalign :␍ {␍ . = ALIGN(4); ␍ PROVIDE(_data_lma = .);␍ } >FLASH AT>FLASH␍␍ .data :␍ {␍ (.gnu.linkonce.r.)␍ (.data .data.)␍ (.gnu.linkonce.d.)␍ . = ALIGN(8);␍ PROVIDE( __global_pointer$ = . + 0x800 );␍ (.sdata .sdata.)␍ (.gnu.linkonce.s.)␍ . = ALIGN(8);␍ (.srodata.cst16)␍ (.srodata.cst8)␍ (.srodata.cst4)␍ (.srodata.cst2)␍ (.srodata .srodata.)␍ . = ALIGN(4);␍ PROVIDE( _edata = .);␍ } >RAM AT>FLASH␍␍ .bss :␍ {␍ . = ALIGN(4);␍ PROVIDE( _sbss = .);␍ (.sbss)␍ (.gnu.linkonce.sb.)␍ (.bss)␍ (.gnu.linkonce.b.) ␍ (COMMON)␍ . = ALIGN(4);␍ PROVIDE( _ebss = .);␍ } >RAM AT>FLASH␍␍ PROVIDE( _end = _ebss);␍ PROVIDE( end = . );␍␍ /.stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :␍ {␍ PROVIDE( _heap_end = . ); ␍ . = ALIGN(4);␍ PROVIDE(_susrstack = . );␍ . = . + __stack_size;␍ PROVIDE( _eusrstack = .);␍ } >RAM */␍␍ .stack ORIGIN(RAM)+LENGTH(RAM) :␍ {␍ PROVIDE( _heap_end = . ); ␍ . = ALIGN(4);␍ PROVIDE(_eusrstack = . );␍ } >RAM ␍}␍