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firmware_update

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Ivan Olenichev 3 years ago
parent df63da6098
commit 6364488dc2
17 changed files with 7005 additions and 0 deletions
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RISC-V/.cproject
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26
RISC-V/.project
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
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25
RISC-V/.settings/language.settings.xml
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
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109
RISC-V/.settings/org.eclipse.cdt.codan.core.prefs
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@ -0,0 +1,109 @@
eclipse.preferences.version=1
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org.eclipse.cdt.codan.checkers.noreturn=Error
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org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation=Error
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org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem=Error
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org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.BlacklistProblem=-Warning
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org.eclipse.cdt.codan.internal.checkers.CopyrightProblem.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(\\"Lack of copyright information\\")",regex\=>".*Copyright.*"}
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.FloatCompareProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.FloatCompareProblem.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(\\"Direct float comparison\\")"}
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.GotoStatementProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.GotoStatementProblem.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(\\"Goto statement used\\")"}
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.MagicNumberProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.MagicNumberProblem.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(\\"Avoid magic numbers\\")",checkArray\=>true,checkOperatorParen\=>true,exceptions\=>(1,0,-1,2,1.0,0.0,-1.0)}
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.MissCaseProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.MissCaseProblem.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(\\"Missing cases in switch\\")"}
org.eclipse.cdt.codan.internal.checkers.MissDefaultProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.MissDefaultProblem.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(\\"Missing default in switch\\")",defaultWithAllEnums\=>false}
org.eclipse.cdt.codan.internal.checkers.MissReferenceProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.MissReferenceProblem.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(\\"Missing reference return value in assignment operator\\")"}
org.eclipse.cdt.codan.internal.checkers.MissSelfCheckProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.MissSelfCheckProblem.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(\\"Missing self check in assignment operator\\")"}
org.eclipse.cdt.codan.internal.checkers.MultipleDeclarationsProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.MultipleDeclarationsProblem.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(\\"Multiple variable declaration\\")"}
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.NoDiscardProblem=Warning
org.eclipse.cdt.codan.internal.checkers.NoDiscardProblem.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 value not evaluated\\")",macro\=>true}
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.ShallowCopyProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.ShallowCopyProblem.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(\\"Miss copy constructor or assignment operator\\")",onlynew\=>false}
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.StaticVariableInHeaderProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.StaticVariableInHeaderProblem.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(\\"Static variable in header file\\")"}
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.SymbolShadowingProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.SymbolShadowingProblem.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 shadowing\\")",paramFuncParameters\=>true}
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.UsingInHeaderProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.UsingInHeaderProblem.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(\\"Using directive in header\\")"}
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\\")"}
org.eclipse.cdt.codan.internal.checkers.VirtualMethodCallProblem=-Error
org.eclipse.cdt.codan.internal.checkers.VirtualMethodCallProblem.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(\\"Virtual method call in constructor/destructor\\")"}

6
RISC-V/.settings/org.eclipse.cdt.core.prefs
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@ -0,0 +1,6 @@
doxygen/doxygen_new_line_after_brief=true
doxygen/doxygen_use_brief_tag=false
doxygen/doxygen_use_javadoc_tags=true
doxygen/doxygen_use_pre_tag=false
doxygen/doxygen_use_structural_commands=false
eclipse.preferences.version=1

2
RISC-V/.settings/org.eclipse.ltk.core.refactoring.prefs
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@ -0,0 +1,2 @@
eclipse.preferences.version=1
org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false

11
RISC-V/Source/fattime.c
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@ -0,0 +1,11 @@
#include "integer.h"
#include "fattime.h"
DWORD get_fattime (void)
{
return 0;
}

3152
RISC-V/Source/ff.c
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63
RISC-V/Source/gd32vf103_it.c
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/*!
\file gd32vf103_it.c
\brief main interrupt service routines
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "drv_usbh_int.h"
#include "drv_usb_hw.h"
#include "gd32vf103_it.h"
extern usb_core_driver usbh_msc_core;
extern void usb_timer_irq (void);
/*!
\brief this function handles USBD interrupt
\param[in] none
\param[out] none
\retval none
*/
void USBFS_IRQHandler (void)
{
usbh_isr (&usbh_msc_core);
}
/*!
\brief this function handles timer2 updata interrupt request.
\param[in] none
\param[out] none
\retval none
*/
void TIMER2_IRQHandler(void)
{
usb_timer_irq();
}

256
RISC-V/Source/gd32vf103_usb_hw.c
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@ -0,0 +1,256 @@
/*!
\file gd32vf103_usb_hw.c
\brief this file implements the board support package for the USB host library
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "drv_usb_hw.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TIM_MSEC_DELAY 0x01
#define TIM_USEC_DELAY 0x02
#define HOST_POWERSW_PORT_RCC RCU_GPIOD
#define HOST_POWERSW_PORT GPIOD
#define HOST_POWERSW_VBUS GPIO_PIN_13
__IO uint32_t delay_time = 0;
__IO uint32_t usbfs_prescaler = 0;
__IO uint32_t timer_prescaler = 5;
static void hwp_time_set (uint8_t unit);
static void hwp_delay (uint32_t ntime, uint8_t unit);
/*!
\brief configure USB clock
\param[in] none
\param[out] none
\retval none
*/
void usb_rcu_config (void)
{
uint32_t system_clock = rcu_clock_freq_get(CK_SYS);
if (system_clock == 48000000) {
usbfs_prescaler = RCU_CKUSB_CKPLL_DIV1;
timer_prescaler = 3;
} else if (system_clock == 72000000) {
usbfs_prescaler = RCU_CKUSB_CKPLL_DIV1_5;
timer_prescaler = 5;
} else if (system_clock == 96000000) {
usbfs_prescaler = RCU_CKUSB_CKPLL_DIV2;
timer_prescaler = 7;
} else {
/* reserved */
}
rcu_usb_clock_config(usbfs_prescaler);
rcu_periph_clock_enable(RCU_USBFS);
}
/*!
\brief configure USB global interrupt
\param[in] none
\param[out] none
\retval none
*/
void usb_intr_config (void)
{
eclic_irq_enable((uint8_t)USBFS_IRQn, 1, 0);
#ifdef USB_OTG_FS_LOW_PWR_MGMT_SUPPORT
/* enable the power module clock */
rcu_periph_clock_enable(RCU_PMU);
/* USB wakeup EXTI line configuration */
exti_interrupt_flag_clear(EXTI_18);
exti_init(EXTI_18, EXTI_INTERRUPT, EXTI_TRIG_RISING);
exti_interrupt_enable(EXTI_18);
eclic_irq_enable((uint8_t)USBFS_WKUP_IRQn, 3U, 0U);
#endif /* USBHS_LOW_PWR_MGMT_SUPPORT */
}
/*!
\brief drives the VBUS signal through gpio
\param[in] state: VBUS states
\param[out] none
\retval none
*/
void usb_vbus_drive (uint8_t state)
{
if (0 == state)
{
/* DISABLE is needed on output of the Power Switch */
gpio_bit_reset(HOST_POWERSW_PORT, HOST_POWERSW_VBUS);
}
else
{
/*ENABLE the Power Switch by driving the Enable LOW */
gpio_bit_set(HOST_POWERSW_PORT, HOST_POWERSW_VBUS);
}
}
/*!
\brief configures the GPIO for the VBUS
\param[in] none
\param[out] none
\retval none
*/
void usb_vbus_config (void)
{
rcu_periph_clock_enable(HOST_POWERSW_PORT_RCC);
gpio_init(HOST_POWERSW_PORT, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, HOST_POWERSW_VBUS);
/* by default, disable is needed on output of the power switch */
gpio_bit_set(HOST_POWERSW_PORT, HOST_POWERSW_VBUS);
/* Delay is need for stabilising the Vbus Low in Reset Condition,
* when Vbus=1 and Reset-button is pressed by user
*/
usb_mdelay (2);
}
/*!
\brief initializes delay unit using Timer2
\param[in] none
\param[out] none
\retval none
*/
void usb_timer_init (void)
{
rcu_periph_clock_enable(RCU_TIMER2);
eclic_irq_enable(TIMER2_IRQn, 2, 0);
}
/*!
\brief delay in micro seconds
\param[in] usec: value of delay required in micro seconds
\param[out] none
\retval none
*/
void usb_udelay (const uint32_t usec)
{
hwp_delay(usec, TIM_USEC_DELAY);
}
/*!
\brief delay in milli seconds
\param[in] msec: value of delay required in milli seconds
\param[out] none
\retval none
*/
void usb_mdelay (const uint32_t msec)
{
hwp_delay(msec, TIM_MSEC_DELAY);
}
/*!
\brief timer base IRQ
\param[in] none
\param[out] none
\retval none
*/
void usb_timer_irq (void)
{
if (timer_interrupt_flag_get(TIMER2, TIMER_INT_UP) != RESET){
timer_interrupt_flag_clear(TIMER2, TIMER_INT_UP);
if (delay_time > 0x00U){
delay_time--;
} else {
timer_disable(TIMER2);
}
}
}
/*!
\brief delay routine based on TIM2
\param[in] ntime: delay Time
\param[in] unit: delay Time unit = mili sec / micro sec
\param[out] none
\retval none
*/
static void hwp_delay(uint32_t ntime, uint8_t unit)
{
delay_time = ntime;
hwp_time_set(unit);
while(delay_time != 0);
timer_disable(TIMER2);
}
/*!
\brief configures TIM2 for delay routine based on TIM2
\param[in] unit: msec /usec
\param[out] none
\retval none
*/
static void hwp_time_set(uint8_t unit)
{
timer_parameter_struct timer_basestructure;
timer_disable(TIMER2);
timer_interrupt_disable(TIMER2, TIMER_INT_UP);
if (unit == TIM_USEC_DELAY) {
timer_basestructure.period = 11;
} else if(unit == TIM_MSEC_DELAY) {
timer_basestructure.period = 11999;
} else {
/* no operation */
}
timer_basestructure.prescaler = timer_prescaler;
timer_basestructure.alignedmode = TIMER_COUNTER_EDGE;
timer_basestructure.counterdirection = TIMER_COUNTER_UP;
timer_basestructure.clockdivision = TIMER_CKDIV_DIV1;
timer_basestructure.repetitioncounter = 0;
timer_init(TIMER2, &timer_basestructure);
timer_interrupt_flag_clear(TIMER2, TIMER_INT_UP);
timer_auto_reload_shadow_enable(TIMER2);
/* timer2 interrupt enable */
timer_interrupt_enable(TIMER2, TIMER_INT_UP);
/* timer2 enable counter */
timer_enable(TIMER2);
}

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RISC-V/Source/main.c
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/*!
\file main.c
\brief this file realizes the MSC host
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "drv_usb_hw.h"
#include "drv_usb_core.h"
#include "usbh_usr.h"
#include "usbh_msc_core.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
usb_core_driver usbh_msc_core;
usbh_host usb_host = {
.class_cb = &usbh_msc_cb,
.usr_cb = &user_callback_funs,
};
usbh_host hUsbHostFS;
void Downstream_HostUserCallback(usbh_host *phost, uint8_t id){
//dummy
return;
}
/**
* @brief Main routine for HID mouse / keyboard class application
* @param None
* @retval None
*/
int main(void)
{
eclic_global_interrupt_enable();
eclic_priority_group_set(ECLIC_PRIGROUP_LEVEL2_PRIO2);
usb_rcu_config();
usb_timer_init();
/* configure GPIO pin used for switching VBUS power and charge pump I/O */
// usb_vbus_config();
usbh_init (&usbh_msc_core, USB_CORE_ENUM_FS, &usb_host,Downstream_HostUserCallback);
/* enable interrupts */
usb_intr_config();
while (1) {
/* Host state handler */
usbh_core_task (&usbh_msc_core, &usb_host);
}
}

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RISC-V/Source/system_gd32vf103.c
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/*!
\file system_gd32vf103.h
\brief RISC-V Device Peripheral Access Layer Source File for
GD32VF103 Device Series
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
/* This file refers the RISC-V standard, some adjustments are made according to GigaDevice chips */
#include "gd32vf103.h"
/* system frequency define */
#define __IRC8M (IRC8M_VALUE) /* internal 8 MHz RC oscillator frequency */
#define __HXTAL (HXTAL_VALUE) /* high speed crystal oscillator frequency */
#define __SYS_OSC_CLK (__IRC8M) /* main oscillator frequency */
/* select a system clock by uncommenting the following line */
/* use IRC8M */
//#define __SYSTEM_CLOCK_48M_PLL_IRC8M (uint32_t)(48000000)
//#define __SYSTEM_CLOCK_72M_PLL_IRC8M (uint32_t)(72000000)
//#define __SYSTEM_CLOCK_108M_PLL_IRC8M (uint32_t)(108000000)
/********************************************************************/
//#define __SYSTEM_CLOCK_HXTAL (HXTAL_VALUE)
//#define __SYSTEM_CLOCK_24M_PLL_HXTAL (uint32_t)(24000000)
/********************************************************************/
//#define __SYSTEM_CLOCK_36M_PLL_HXTAL (uint32_t)(36000000)
//#define __SYSTEM_CLOCK_48M_PLL_HXTAL (uint32_t)(48000000)
//#define __SYSTEM_CLOCK_56M_PLL_HXTAL (uint32_t)(56000000)
//#define __SYSTEM_CLOCK_72M_PLL_HXTAL (uint32_t)(72000000)
#define __SYSTEM_CLOCK_96M_PLL_HXTAL (uint32_t)(96000000)
//#define __SYSTEM_CLOCK_108M_PLL_HXTAL (uint32_t)(108000000)
#define SEL_IRC8M 0x00U
#define SEL_HXTAL 0x01U
#define SEL_PLL 0x02U
/* set the system clock frequency and declare the system clock configuration function */
#ifdef __SYSTEM_CLOCK_48M_PLL_IRC8M
uint32_t SystemCoreClock = __SYSTEM_CLOCK_48M_PLL_IRC8M;
static void system_clock_48m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_72M_PLL_IRC8M)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_72M_PLL_IRC8M;
static void system_clock_72m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_108M_PLL_IRC8M)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_108M_PLL_IRC8M;
static void system_clock_108m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_HXTAL;
static void system_clock_hxtal(void);
#elif defined (__SYSTEM_CLOCK_24M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_24M_PLL_HXTAL;
static void system_clock_24m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_36M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_36M_PLL_HXTAL;
static void system_clock_36m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_48M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_48M_PLL_HXTAL;
static void system_clock_48m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_56M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_56M_PLL_HXTAL;
static void system_clock_56m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_72M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_72M_PLL_HXTAL;
static void system_clock_72m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_96M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_96M_PLL_HXTAL;
static void system_clock_96m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_108M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_108M_PLL_HXTAL;
static void system_clock_108m_hxtal(void);
#else
uint32_t SystemCoreClock = IRC8M_VALUE;
#endif /* __SYSTEM_CLOCK_48M_PLL_IRC8M */
/* configure the system clock */
static void system_clock_config(void);
/*!
\brief configure the system clock
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_config(void)
{
#ifdef __SYSTEM_CLOCK_HXTAL
system_clock_hxtal();
#elif defined (__SYSTEM_CLOCK_24M_PLL_HXTAL)
system_clock_24m_hxtal();
#elif defined (__SYSTEM_CLOCK_36M_PLL_HXTAL)
system_clock_36m_hxtal();
#elif defined (__SYSTEM_CLOCK_48M_PLL_HXTAL)
system_clock_48m_hxtal();
#elif defined (__SYSTEM_CLOCK_56M_PLL_HXTAL)
system_clock_56m_hxtal();
#elif defined (__SYSTEM_CLOCK_72M_PLL_HXTAL)
system_clock_72m_hxtal();
#elif defined (__SYSTEM_CLOCK_96M_PLL_HXTAL)
system_clock_96m_hxtal();
#elif defined (__SYSTEM_CLOCK_108M_PLL_HXTAL)
system_clock_108m_hxtal();
#elif defined (__SYSTEM_CLOCK_48M_PLL_IRC8M)
system_clock_48m_irc8m();
#elif defined (__SYSTEM_CLOCK_72M_PLL_IRC8M)
system_clock_72m_irc8m();
#elif defined (__SYSTEM_CLOCK_108M_PLL_IRC8M)
system_clock_108m_irc8m();
#endif /* __SYSTEM_CLOCK_HXTAL */
}
/*!
\brief setup the microcontroller system, initialize the system
\param[in] none
\param[out] none
\retval none
*/
void SystemInit(void)
{
/* reset the RCC clock configuration to the default reset state */
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* reset SCS, AHBPSC, APB1PSC, APB2PSC, ADCPSC, CKOUT0SEL bits */
RCU_CFG0 &= ~(RCU_CFG0_SCS | RCU_CFG0_AHBPSC | RCU_CFG0_APB1PSC | RCU_CFG0_APB2PSC |
RCU_CFG0_ADCPSC | RCU_CFG0_ADCPSC_2 | RCU_CFG0_CKOUT0SEL);
/* reset HXTALEN, CKMEN, PLLEN bits */
RCU_CTL &= ~(RCU_CTL_HXTALEN | RCU_CTL_CKMEN | RCU_CTL_PLLEN);
/* Reset HXTALBPS bit */
RCU_CTL &= ~(RCU_CTL_HXTALBPS);
/* reset PLLSEL, PREDV0_LSB, PLLMF, USBFSPSC bits */
RCU_CFG0 &= ~(RCU_CFG0_PLLSEL | RCU_CFG0_PREDV0_LSB | RCU_CFG0_PLLMF |
RCU_CFG0_USBFSPSC | RCU_CFG0_PLLMF_4);
RCU_CFG1 = 0x00000000U;
/* Reset HXTALEN, CKMEN, PLLEN, PLL1EN and PLL2EN bits */
RCU_CTL &= ~(RCU_CTL_PLLEN | RCU_CTL_PLL1EN | RCU_CTL_PLL2EN | RCU_CTL_CKMEN | RCU_CTL_HXTALEN);
/* disable all interrupts */
RCU_INT = 0x00FF0000U;
/* Configure the System clock source, PLL Multiplier, AHB/APBx prescalers and Flash settings */
system_clock_config();
}
/*!
\brief update the SystemCoreClock with current core clock retrieved from cpu registers
\param[in] none
\param[out] none
\retval none
*/
void SystemCoreClockUpdate(void)
{
uint32_t scss;
uint32_t pllsel, predv0sel, pllmf, ck_src;
uint32_t predv0, predv1, pll1mf;
scss = GET_BITS(RCU_CFG0, 2, 3);
switch (scss)
{
/* IRC8M is selected as CK_SYS */
case SEL_IRC8M:
SystemCoreClock = IRC8M_VALUE;
break;
/* HXTAL is selected as CK_SYS */
case SEL_HXTAL:
SystemCoreClock = HXTAL_VALUE;
break;
/* PLL is selected as CK_SYS */
case SEL_PLL:
/* PLL clock source selection, HXTAL or IRC8M/2 */
pllsel = (RCU_CFG0 & RCU_CFG0_PLLSEL);
if(RCU_PLLSRC_IRC8M_DIV2 == pllsel){
/* PLL clock source is IRC8M/2 */
ck_src = IRC8M_VALUE / 2U;
}else{
/* PLL clock source is HXTAL */
ck_src = HXTAL_VALUE;
predv0sel = (RCU_CFG1 & RCU_CFG1_PREDV0SEL);
/* source clock use PLL1 */
if(RCU_PREDV0SRC_CKPLL1 == predv0sel){
predv1 = ((RCU_CFG1 & RCU_CFG1_PREDV1) >> 4) + 1U;
pll1mf = ((RCU_CFG1 & RCU_CFG1_PLL1MF) >> 8) + 2U;
if(17U == pll1mf){
pll1mf = 20U;
}
ck_src = (ck_src / predv1) * pll1mf;
}
predv0 = (RCU_CFG1 & RCU_CFG1_PREDV0) + 1U;
ck_src /= predv0;
}
/* PLL multiplication factor */
pllmf = GET_BITS(RCU_CFG0, 18, 21);
if((RCU_CFG0 & RCU_CFG0_PLLMF_4)){
pllmf |= 0x10U;
}
if(pllmf >= 15U){
pllmf += 1U;
}else{
pllmf += 2U;
}
SystemCoreClock = ck_src * pllmf;
if(15U == pllmf){
/* PLL source clock multiply by 6.5 */
SystemCoreClock = ck_src * 6U + ck_src / 2U;
}
break;
/* IRC8M is selected as CK_SYS */
default:
SystemCoreClock = IRC8M_VALUE;
break;
}
}
#ifdef __SYSTEM_CLOCK_HXTAL
/*!
\brief configure the system clock to HXTAL
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* select HXTAL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_HXTAL;
/* wait until HXTAL is selected as system clock */
while(0 == (RCU_CFG0 & RCU_SCSS_HXTAL)){
}
}
#elif defined (__SYSTEM_CLOCK_24M_PLL_HXTAL)
/*!
\brief configure the system clock to 24M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_24m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 6 = 24 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL6);
if(HXTAL_VALUE==25000000){
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while((RCU_CTL & RCU_CTL_PLL1STB) == 0){
}
}else if(HXTAL_VALUE==8000000){
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 );
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_36M_PLL_HXTAL)
/*!
\brief configure the system clock to 36M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_36m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 9 = 36 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL9);
if(HXTAL_VALUE==25000000){
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while((RCU_CTL & RCU_CTL_PLL1STB) == 0){
}
}else if(HXTAL_VALUE==8000000){
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 );
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_48M_PLL_HXTAL)
/*!
\brief configure the system clock to 48M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_48m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 12 = 48 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL12);
if(HXTAL_VALUE==25000000){
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while((RCU_CTL & RCU_CTL_PLL1STB) == 0){
}
}else if(HXTAL_VALUE==8000000){
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 );
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_56M_PLL_HXTAL)
/*!
\brief configure the system clock to 56M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_56m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 14 = 56 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL14);
if(HXTAL_VALUE==25000000){
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while((RCU_CTL & RCU_CTL_PLL1STB) == 0){
}
}else if(HXTAL_VALUE==8000000){
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 );
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_72M_PLL_HXTAL)
/*!
\brief configure the system clock to 72M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_72m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 18 = 72 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL18);
if(HXTAL_VALUE==25000000){
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while((RCU_CTL & RCU_CTL_PLL1STB) == 0){
}
}else if(HXTAL_VALUE==8000000){
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 );
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_96M_PLL_HXTAL)
/*!
\brief configure the system clock to 96M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_96m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
if(HXTAL_VALUE==25000000){
/* CK_PLL = (CK_PREDIV0) * 24 = 96 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL24);
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while((RCU_CTL & RCU_CTL_PLL1STB) == 0){
}
}else if(HXTAL_VALUE==8000000){
/* CK_PLL = (CK_PREDIV0) * 24 = 96 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL24);
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 );
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_108M_PLL_HXTAL)
/*!
\brief configure the system clock to 108M by PLL which selects HXTAL(MD/HD/XD:8M; CL:25M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_108m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
}while((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_HXTALSTB)){
while(1){
}
}
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 27 = 108 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL | RCU_PLL_MUL27);
if(HXTAL_VALUE==25000000){
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_CKPLL1 | RCU_PREDV1_DIV5 | RCU_PLL1_MUL8 | RCU_PREDV0_DIV10);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while(0U == (RCU_CTL & RCU_CTL_PLL1STB)){
}
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL2EN;
/* wait till PLL1 is ready */
while(0U == (RCU_CTL & RCU_CTL_PLL2STB)){
}
}else if(HXTAL_VALUE==8000000){
RCU_CFG1 &= ~(RCU_CFG1_PREDV0SEL | RCU_CFG1_PREDV1 | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV0);
RCU_CFG1 |= (RCU_PREDV0SRC_HXTAL | RCU_PREDV0_DIV2 | RCU_PREDV1_DIV2 | RCU_PLL1_MUL20 | RCU_PLL2_MUL20);
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while(0U == (RCU_CTL & RCU_CTL_PLL1STB)){
}
/* enable PLL2 */
RCU_CTL |= RCU_CTL_PLL2EN;
/* wait till PLL1 is ready */
while(0U == (RCU_CTL & RCU_CTL_PLL2STB)){
}
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_48M_PLL_IRC8M)
/*!
\brief configure the system clock to 48M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_48m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
}
while((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_IRC8MSTB)){
while(1){
}
}
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 12 = 48 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL12;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_72M_PLL_IRC8M)
/*!
\brief configure the system clock to 72M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_72m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
}
while((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_IRC8MSTB)){
while(1){
}
}
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 18 = 72 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL18;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#elif defined (__SYSTEM_CLOCK_108M_PLL_IRC8M)
/*!
\brief configure the system clock to 108M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_108m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do{
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
}
while((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if(0U == (RCU_CTL & RCU_CTL_IRC8MSTB)){
while(1){
}
}
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 27 = 108 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL27;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while(0U == (RCU_CTL & RCU_CTL_PLLSTB)){
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while(0U == (RCU_CFG0 & RCU_SCSS_PLL)){
}
}
#endif

454
RISC-V/Source/usbh_msc_bbb.c
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@ -0,0 +1,454 @@
/*!
\file usbh_msc_bbb.c
\brief USB MSC BBB protocol related functions
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "usbh_transc.h"
#include "drv_usbh_int.h"
#include "usbh_msc_core.h"
#include "usbh_msc_scsi.h"
#include "usbh_msc_bbb.h"
usbh_cbw_pkt msc_cbw_data;
usbh_csw_pkt msc_csw_data;
static uint32_t bot_stall_error_count; /* keeps count of stall error cases */
usbh_botxfer msc_botxfer_param;
/*!
\brief initialize the mass storage parameters
\param[in] pudev: pointer to usb core instance
\param[out] none
\retval none
*/
void usbh_msc_init (usb_core_driver *pudev)
{
if (pudev->host.connect_status) {
msc_cbw_data.field.dCBWSignature = BBB_CBW_SIGNATURE;
msc_cbw_data.field.dCBWTag = USBH_MSC_BOT_CBW_TAG;
msc_cbw_data.field.bCBWLUN = 0; /* only one lun is supported */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
}
bot_stall_error_count = 0;
msc_error_count = 0;
}
/*!
\brief manage the different states of BOT transfer and updates the status to upper layer
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval none
*/
void usbh_msc_botxfer (usb_core_driver *pudev, usbh_host *puhost)
{
uint8_t xfer_dir, index;
static uint32_t remain_len;
static uint8_t *data_pointer, *data_pointer_prev;
static uint8_t error_dir;
usbh_status status;
usb_urb_state URB_Status = URB_IDLE;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.bot_state) {
case USBH_MSC_SEND_CBW:
/* send CBW */
usbh_data_send (pudev,
&msc_cbw_data.CBWArray[0],
msc_machine.hc_num_out,
BBB_CBW_LENGTH);
msc_botxfer_param.bot_state_bkp = USBH_MSC_SEND_CBW;
msc_botxfer_param.bot_state = USBH_MSC_SENT_CBW;
break;
case USBH_MSC_SENT_CBW:
URB_Status = usbh_urbstate_get(pudev, msc_machine.hc_num_out);
if (URB_Status == URB_DONE) {
bot_stall_error_count = 0;
msc_botxfer_param.bot_state_bkp = USBH_MSC_SENT_CBW;
/* if the CBW packet is sent successful, then change the state */
xfer_dir = (msc_cbw_data.field.bmCBWFlags & USB_TRX_MASK);
if (msc_cbw_data.field.dCBWDataTransferLength != 0) {
remain_len = msc_cbw_data.field.dCBWDataTransferLength;
data_pointer = msc_botxfer_param.xfer_buf;
data_pointer_prev = data_pointer;
/* if there is data transfer stage */
if (xfer_dir == USB_TRX_IN) {
/* data direction is IN */
msc_botxfer_param.bot_state = USBH_MSC_BOT_DATAIN_STATE;
} else {
/* data direction is OUT */
msc_botxfer_param.bot_state = USBH_MSC_BOT_DATAOUT_STATE;
}
} else {
/* If there is NO Data Transfer Stage */
msc_botxfer_param.bot_state = USBH_MSC_RECEIVE_CSW_STATE;
}
} else if (URB_Status == URB_NOTREADY) {
msc_botxfer_param.bot_state = msc_botxfer_param.bot_state_bkp;
} else if (URB_Status == URB_STALL) {
error_dir = USBH_MSC_DIR_OUT;
msc_botxfer_param.bot_state = USBH_MSC_BOT_ERROR_OUT;
}
break;
case USBH_MSC_BOT_DATAIN_STATE:
URB_Status = usbh_urbstate_get(pudev, msc_machine.hc_num_in);
/* BOT DATA IN stage */
if ((URB_Status == URB_DONE) ||
(msc_botxfer_param.bot_state_bkp != USBH_MSC_BOT_DATAIN_STATE)) {
bot_stall_error_count = 0;
msc_botxfer_param.bot_state_bkp = USBH_MSC_BOT_DATAIN_STATE;
if (remain_len > msc_machine.msc_bulk_epinsize) {
usbh_data_recev (pudev,
data_pointer,
msc_machine.hc_num_in,
msc_machine.msc_bulk_epinsize);
remain_len -= msc_machine.msc_bulk_epinsize;
data_pointer = data_pointer + msc_machine.msc_bulk_epinsize;
} else if (remain_len == 0) {
/* if value was 0, and successful transfer, then change the state */
msc_botxfer_param.bot_state = USBH_MSC_RECEIVE_CSW_STATE;
} else {
usbh_data_recev (pudev,
data_pointer,
msc_machine.hc_num_in,
remain_len);
remain_len = 0; /* reset this value and keep in same state */
}
} else if(URB_Status == URB_STALL) {
/* this is data stage stall condition */
error_dir = USBH_MSC_DIR_IN;
msc_botxfer_param.bot_state = USBH_MSC_BOT_ERROR_IN;
/* Refer to USB Mass-Storage Class : BOT (www.usb.org)
6.7.2 Host expects to receive data from the device
3. On a STALL condition receiving data, then:
The host shall accept the data received.
The host shall clear the Bulk-In pipe.
4. The host shall attempt to receive a CSW.
msc_botxfer_param.bot_state_bkp is used to switch to the Original
state after the ClearFeature Command is issued.
*/
msc_botxfer_param.bot_state_bkp = USBH_MSC_RECEIVE_CSW_STATE;
}
break;
case USBH_MSC_BOT_DATAOUT_STATE:
/* BOT DATA OUT stage */
URB_Status = usbh_urbstate_get(pudev, msc_machine.hc_num_out);
if (URB_Status == URB_DONE) {
bot_stall_error_count = 0;
msc_botxfer_param.bot_state_bkp = USBH_MSC_BOT_DATAOUT_STATE;
if (remain_len > msc_machine.msc_bulk_epoutsize) {
usbh_data_send (pudev,
data_pointer,
msc_machine.hc_num_out,
msc_machine.msc_bulk_epoutsize);
data_pointer_prev = data_pointer;
data_pointer = data_pointer + msc_machine.msc_bulk_epoutsize;
remain_len = remain_len - msc_machine.msc_bulk_epoutsize;
} else if (remain_len == 0) {
/* if value was 0, and successful transfer, then change the state */
msc_botxfer_param.bot_state = USBH_MSC_RECEIVE_CSW_STATE;
} else {
usbh_data_send (pudev,
data_pointer,
msc_machine.hc_num_out,
remain_len);
remain_len = 0; /* reset this value and keep in same state */
}
} else if (URB_Status == URB_NOTREADY) {
if (data_pointer != data_pointer_prev) {
usbh_data_send (pudev,
(data_pointer - msc_machine.msc_bulk_epoutsize),
msc_machine.hc_num_out,
msc_machine.msc_bulk_epoutsize);
} else {
usbh_data_send (pudev,
data_pointer,
msc_machine.hc_num_out,
msc_machine.msc_bulk_epoutsize);
}
} else if (URB_Status == URB_STALL) {
error_dir = USBH_MSC_DIR_OUT;
msc_botxfer_param.bot_state = USBH_MSC_BOT_ERROR_OUT;
/* Refer to USB Mass-Storage Class : BOT (www.usb.org)
6.7.3 Ho - Host expects to send data to the device
3. On a STALL condition sending data, then:
" The host shall clear the Bulk-Out pipe.
4. The host shall attempt to receive a CSW.
The Above statement will do the clear the Bulk-Out pipe.
The Below statement will help in Getting the CSW.
msc_botxfer_param.bot_state_bkp is used to switch to the Original
state after the ClearFeature Command is issued.
*/
msc_botxfer_param.bot_state_bkp = USBH_MSC_RECEIVE_CSW_STATE;
}
break;
case USBH_MSC_RECEIVE_CSW_STATE:
/* BOT CSW stage */
/* NOTE: We cannot reset the BOTStallErrorCount here as it may come from the clearFeature from previous command */
msc_botxfer_param.bot_state_bkp = USBH_MSC_RECEIVE_CSW_STATE;
msc_botxfer_param.xfer_buf = msc_csw_data.CSWArray;
msc_botxfer_param.data_len = USBH_MSC_CSW_MAX_LENGTH;
for (index = BBB_CSW_LENGTH; index != 0; index--) {
msc_csw_data.CSWArray[index] = 0;
}
msc_csw_data.CSWArray[0] = 0;
usbh_data_recev (pudev,
msc_botxfer_param.xfer_buf,
msc_machine.hc_num_in,
USBH_MSC_CSW_MAX_LENGTH);
msc_botxfer_param.bot_state = USBH_MSC_DECODE_CSW;
break;
case USBH_MSC_DECODE_CSW:
URB_Status = usbh_urbstate_get(pudev, msc_machine.hc_num_in);
/* decode CSW */
if (URB_Status == URB_DONE) {
bot_stall_error_count = 0;
msc_botxfer_param.bot_state_bkp = USBH_MSC_RECEIVE_CSW_STATE;
msc_botxfer_param.msc_state = msc_botxfer_param.msc_state_current ;
msc_botxfer_param.bot_xfer_status = usbh_msc_csw_decode (pudev , puhost);
} else if (URB_Status == URB_STALL) {
error_dir = USBH_MSC_DIR_IN;
msc_botxfer_param.bot_state = USBH_MSC_BOT_ERROR_IN;
}
break;
case USBH_MSC_BOT_ERROR_IN:
status = usbh_msc_bot_abort(pudev, puhost, USBH_MSC_DIR_IN);
if (status == USBH_OK) {
/* check if the error was due in both the directions */
if (error_dir == USBH_MSC_BOTH_DIR) {
/* if both directions are needed, switch to OUT direction */
msc_botxfer_param.bot_state = USBH_MSC_BOT_ERROR_OUT;
} else {
/* switch back to the original state, in many cases this will be USBH_MSC_RECEIVE_CSW_STATE state */
msc_botxfer_param.bot_state = msc_botxfer_param.bot_state_bkp;
}
} else if (status == USBH_UNRECOVERED_ERROR) {
/* this means that there is a stall error limit, do reset recovery */
msc_botxfer_param.bot_xfer_status = USBH_MSC_PHASE_ERROR;
}
break;
case USBH_MSC_BOT_ERROR_OUT:
status = usbh_msc_bot_abort (pudev, puhost, USBH_MSC_DIR_OUT);
if (status == USBH_OK) {
/* switch back to the original state */
msc_botxfer_param.bot_state = msc_botxfer_param.bot_state_bkp;
} else if (status == USBH_UNRECOVERED_ERROR) {
/* this means that there is a stall error limit, do reset recovery */
msc_botxfer_param.bot_xfer_status = USBH_MSC_PHASE_ERROR;
}
break;
default:
break;
}
}
}
/*!
\brief manages the different error handling for stall
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[in] direction: data IN or OUT
\param[out] none
\retval none
*/
usbh_status usbh_msc_bot_abort (usb_core_driver *pudev, usbh_host *puhost, uint8_t direction)
{
usbh_status status = USBH_BUSY;
switch (direction) {
case USBH_MSC_DIR_IN :
/* send clrfeture command on bulk IN endpoint */
status = usbh_clrfeature(pudev,
puhost,
msc_machine.msc_bulk_epin,
msc_machine.hc_num_in);
break;
case USBH_MSC_DIR_OUT :
/*send clrfeature command on bulk OUT endpoint */
status = usbh_clrfeature(pudev,
puhost,
msc_machine.msc_bulk_epout,
msc_machine.hc_num_out);
break;
default:
break;
}
bot_stall_error_count++; /* check continous number of times, stall has occured */
if (bot_stall_error_count > MAX_BULK_STALL_COUNT_LIMIT) {
status = USBH_UNRECOVERED_ERROR;
}
return status;
}
/*!
\brief decode the CSW received by the device and updates the same to upper layer
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval on success USBH_MSC_OK, on failure USBH_MSC_FAIL
\notes
Refer to USB Mass-Storage Class: BOT (www.usb.org)
6.3.1 Valid CSW Conditions :
The host shall consider the CSW valid when:
1. dCSWSignature is equal to 53425355h
2. the CSW is 13 (Dh) bytes in length,
3. dCSWTag matches the dCBWTag from the corresponding CBW.
*/
uint8_t usbh_msc_csw_decode (usb_core_driver *pudev, usbh_host *puhost)
{
uint8_t status;
uint32_t data_xfercount = 0;
status = USBH_MSC_FAIL;
if (pudev->host.connect_status) {
/* checking if the transfer length is diffrent than 13 */
data_xfercount = usbh_xfercount_get (pudev, msc_machine.hc_num_in);
if (data_xfercount != BBB_CSW_LENGTH) {
/* (4) Hi > Dn (Host expects to receive data from the device,
Device intends to transfer no data)
(5) Hi > Di (Host expects to receive data from the device,
Device intends to send data to the host)
(9) Ho > Dn (Host expects to send data to the device,
Device intends to transfer no data)
(11) Ho > Do (Host expects to send data to the device,
Device intends to receive data from the host)
*/
status = USBH_MSC_PHASE_ERROR;
} else {
/* CSW length is correct */
/* check validity of the CSW Signature and CSWStatus */
if (msc_csw_data.field.dCSWSignature == BBB_CSW_SIGNATURE) {
/* check condition 1. dCSWSignature is equal to 53425355h */
if (msc_csw_data.field.dCSWTag == msc_cbw_data.field.dCBWTag) {
/* check condition 3. dCSWTag matches the dCBWTag from the corresponding CBW */
if (msc_csw_data.field.bCSWStatus == USBH_MSC_OK) {
/* refer to USB Mass-Storage Class : BOT (www.usb.org)
Hn Host expects no data transfers
Hi Host expects to receive data from the device
Ho Host expects to send data to the device
Dn Device intends to transfer no data
Di Device intends to send data to the host
Do Device intends to receive data from the host
Section 6.7
(1) Hn = Dn (Host expects no data transfers,
Device intends to transfer no data)
(6) Hi = Di (Host expects to receive data from the device,
Device intends to send data to the host)
(12) Ho = Do (Host expects to send data to the device,
Device intends to receive data from the host)
*/
status = USBH_MSC_OK;
} else if (msc_csw_data.field.bCSWStatus == USBH_MSC_FAIL) {
status = USBH_MSC_FAIL;
} else if(msc_csw_data.field.bCSWStatus == USBH_MSC_PHASE_ERROR) {
/* refer to USB Mass-Storage Class : BOT (www.usb.org)
Section 6.7
(2) Hn < Di ( Host expects no data transfers,
Device intends to send data to the host)
(3) Hn < Do ( Host expects no data transfers,
Device intends to receive data from the host)
(7) Hi < Di ( Host expects to receive data from the device,
Device intends to send data to the host)
(8) Hi <> Do ( Host expects to receive data from the device,
Device intends to receive data from the host)
(10) Ho <> Di (Host expects to send data to the device,
Di Device intends to send data to the host)
(13) Ho < Do (Host expects to send data to the device,
Device intends to receive data from the host)
*/
status = USBH_MSC_PHASE_ERROR;
}
} /* CSW tag matching is checked */
} /* CSW signature correct checking */else {
/* If the CSW signature is not valid, we sall return the phase error to
upper layers for reset recovery */
status = USBH_MSC_PHASE_ERROR;
}
} /* CSW length check */
}
msc_botxfer_param.bot_xfer_status = status;
return status;
}

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RISC-V/Source/usbh_msc_core.c
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/*!
\file usbh_msc_core.c
\brief USB MSC(mass storage device) class driver
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "usbh_pipe.h"
#include "usbh_transc.h"
#include "usbh_msc_core.h"
#include "usbh_msc_scsi.h"
#include "usbh_msc_bbb.h"
#define USBH_MSC_ERROR_RETRY_LIMIT 10
uint8_t msc_error_count = 0;
usbh_msc_machine msc_machine;
static void usbh_msc_itf_deinit (usb_core_driver *pudev, void *puhost);
static usbh_status usbh_msc_itf_init (usb_core_driver *pudev, void *puhost);
static usbh_status usbh_msc_handle (usb_core_driver *pudev, void *puhost);
static usbh_status usbh_msc_req (usb_core_driver *pudev, void *puhost);
static usbh_status usbh_msc_maxlun_get (usb_core_driver *pudev, usbh_host *puhost);
usbh_class_cb usbh_msc_cb =
{
usbh_msc_itf_init,
usbh_msc_itf_deinit,
usbh_msc_req,
usbh_msc_handle,
};
void usbh_msc_error_handle (uint8_t status);
/*!
\brief interface initialization for MSC class
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval operation status
*/
static usbh_status usbh_msc_itf_init (usb_core_driver *pudev, void *puhost)
{
usbh_host *pphost = puhost;
usb_desc_itf *itf_desc = &pphost->dev_prop.itf_desc[0];
if ((itf_desc->bInterfaceClass == MSC_CLASS) &&
(itf_desc->bInterfaceProtocol == MSC_PROTOCOL)) {
usb_desc_ep *ep_desc = &pphost->dev_prop.ep_desc[0][0];
if (ep_desc->bEndpointAddress & 0x80) {
msc_machine.msc_bulk_epin = ep_desc->bEndpointAddress;
msc_machine.msc_bulk_epinsize = ep_desc->wMaxPacketSize;
} else {
msc_machine.msc_bulk_epout = ep_desc->bEndpointAddress;
msc_machine.msc_bulk_epoutsize = ep_desc->wMaxPacketSize;
}
ep_desc = &pphost->dev_prop.ep_desc[0][1];
if (ep_desc->bEndpointAddress & 0x80) {
msc_machine.msc_bulk_epin = ep_desc->bEndpointAddress;
msc_machine.msc_bulk_epinsize = ep_desc->wMaxPacketSize;
} else {
msc_machine.msc_bulk_epout = ep_desc->bEndpointAddress;
msc_machine.msc_bulk_epoutsize = ep_desc->wMaxPacketSize;
}
msc_machine.hc_num_out = usbh_pipe_allocate(pudev, msc_machine.msc_bulk_epout);
msc_machine.hc_num_in = usbh_pipe_allocate(pudev, msc_machine.msc_bulk_epin);
/* open the new channels */
usbh_pipe_create (pudev,
&pphost->dev_prop,
msc_machine.hc_num_out,
USB_EPTYPE_BULK,
msc_machine.msc_bulk_epoutsize);
usbh_pipe_create (pudev,
&pphost->dev_prop,
msc_machine.hc_num_in,
USB_EPTYPE_BULK,
msc_machine.msc_bulk_epinsize);
} else {
pphost->usr_cb->dev_not_supported();
}
return USBH_OK;
}
/*!
\brief de-initialize interface by freeing host channels allocated to interface
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval operation status
*/
void usbh_msc_itf_deinit (usb_core_driver *pudev, void *puhost)
{
if (msc_machine.hc_num_out) {
usb_pipe_halt (pudev, msc_machine.hc_num_out);
usbh_pipe_free (pudev, msc_machine.hc_num_out);
msc_machine.hc_num_out = 0;
}
if (msc_machine.hc_num_in) {
usb_pipe_halt (pudev, msc_machine.hc_num_in);
usbh_pipe_free (pudev, msc_machine.hc_num_in);
msc_machine.hc_num_in = 0;
}
}
/*!
\brief initialize the MSC state machine
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval operation status
*/
static usbh_status usbh_msc_req (usb_core_driver *pudev, void *puhost)
{
usbh_status status = USBH_OK;
msc_botxfer_param.msc_state = USBH_MSC_BOT_INIT_STATE;
return status;
}
/*!
\brief MSC state machine handler
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval operation status
*/
static usbh_status usbh_msc_handle (usb_core_driver *pudev, void *puhost)
{
usbh_host *pphost = puhost;
usbh_status status = USBH_BUSY;
uint8_t msc_status = USBH_MSC_BUSY;
uint8_t app_status = 0;
static uint8_t max_lun_exceed = FALSE;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.msc_state) {
case USBH_MSC_BOT_INIT_STATE:
usbh_msc_init(pudev);
msc_botxfer_param.msc_state = USBH_MSC_BOT_RESET;
break;
case USBH_MSC_BOT_RESET:
status = USBH_OK;
msc_botxfer_param.msc_state = USBH_MSC_GET_MAX_LUN;
break;
case USBH_MSC_GET_MAX_LUN:
/* issue Get_MaxLun request */
status = usbh_msc_maxlun_get (pudev, puhost);
if (status == USBH_OK) {
msc_machine.max_lun = *(msc_machine.buf);
/* if device has more that one logical unit then it is not supported */
if ((msc_machine.max_lun > 0) && (max_lun_exceed == FALSE)) {
max_lun_exceed = TRUE;
//pphost->usr_cb->dev_not_supported();
break;
}
msc_botxfer_param.msc_state = USBH_MSC_TEST_UNIT_READY;
}
if (status == USBH_NOT_SUPPORTED) {
/* if the command has failed, then we need to move to next state, after
STALL condition is cleared by Control-Transfer */
msc_botxfer_param.msc_state_bkp = USBH_MSC_TEST_UNIT_READY;
/* a clear feature should be issued here */
msc_botxfer_param.msc_state = USBH_MSC_CTRL_ERROR_STATE;
}
break;
case USBH_MSC_CTRL_ERROR_STATE:
/* issue clearfeature request */
status = usbh_clrfeature(pudev,
puhost,
0x00,
pphost->control.pipe_out_num);
if (status == USBH_OK) {
/* if GetMaxLun request not support, assume single LUN configuration */
msc_machine.max_lun = 0;
msc_botxfer_param.msc_state = msc_botxfer_param.msc_state_bkp;
}
break;
case USBH_MSC_TEST_UNIT_READY:
/* issue SCSI command TestUnitReady */
msc_status = usbh_msc_test_unitready(pudev);
if (msc_status == USBH_MSC_OK) {
msc_botxfer_param.msc_state = USBH_MSC_READ_CAPACITY10;
msc_error_count = 0;
status = USBH_OK;
} else {
usbh_msc_error_handle (msc_status);
}
break;
case USBH_MSC_READ_CAPACITY10:
/* issue READ_CAPACITY10 SCSI command */
msc_status = usbh_msc_read_capacity10(pudev);
if (msc_status == USBH_MSC_OK) {
msc_botxfer_param.msc_state = USBH_MSC_MODE_SENSE6;
msc_error_count = 0;
status = USBH_OK;
} else {
usbh_msc_error_handle (msc_status);
}
break;
case USBH_MSC_MODE_SENSE6:
/* issue ModeSense6 SCSI command for detecting if device is write-protected */
msc_status = usbh_msc_mode_sense6 (pudev);
if (msc_status == USBH_MSC_OK) {
msc_botxfer_param.msc_state = USBH_MSC_DEFAULT_APPLI_STATE;
msc_error_count = 0;
status = USBH_OK;
} else {
usbh_msc_error_handle (msc_status);
}
break;
case USBH_MSC_REQUEST_SENSE:
/* issue RequestSense SCSI command for retreiving error code */
msc_status = usbh_msc_request_sense (pudev);
if (msc_status == USBH_MSC_OK) {
msc_botxfer_param.msc_state = msc_botxfer_param.msc_state_bkp;
status = USBH_OK;
} else {
usbh_msc_error_handle (msc_status);
}
break;
case USBH_MSC_BOT_USB_TRANSFERS:
/* process the BOT state machine */
usbh_msc_botxfer(pudev , puhost);
break;
case USBH_MSC_DEFAULT_APPLI_STATE:
/* process application callback for MSC */
app_status = pphost->usr_cb->dev_user_app();
if (app_status == 0) {
msc_botxfer_param.msc_state = USBH_MSC_DEFAULT_APPLI_STATE;
} else if (app_status == 1) {
/* de-init requested from application layer */
status = USBH_APPLY_DEINIT;
}
break;
case USBH_MSC_UNRECOVERED_STATE:
status = USBH_UNRECOVERED_ERROR;
break;
default:
break;
}
}
return status;
}
/*!
\brief get max lun of the mass storage device
\param[in] pudev: pointer to usb core instance
\param[in] puhost: pointer to usb host
\param[out] none
\retval operation status
*/
static usbh_status usbh_msc_maxlun_get (usb_core_driver *pudev, usbh_host *puhost)
{
usbh_status status = USBH_BUSY;
if (puhost->control.ctl_state == CTL_IDLE) {
puhost->control.setup.req = (usb_req) {
.bmRequestType = USB_TRX_IN | USB_REQTYPE_CLASS | USB_RECPTYPE_ITF,
.bRequest = BBB_GET_MAX_LUN,
.wValue = 0,
.wIndex = 0,
.wLength = 1
};
usbh_ctlstate_config (puhost, msc_machine.buf, 1);
}
status = usbh_ctl_handler (pudev, puhost);
return status;
}
/*!
\brief handling errors occuring during the MSC state machine
\param[in] status: error status
\param[out] none
\retval operation status
*/
void usbh_msc_error_handle (uint8_t status)
{
if (status == USBH_MSC_FAIL) {
msc_error_count++;
if (msc_error_count < USBH_MSC_ERROR_RETRY_LIMIT) {
/* try msc level error recovery, issue the request sense to get drive error reason */
msc_botxfer_param.msc_state = USBH_MSC_REQUEST_SENSE;
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
} else {
/* error trials exceeded the limit, go to unrecovered state */
msc_botxfer_param.msc_state = USBH_MSC_UNRECOVERED_STATE;
}
} else if (status == USBH_MSC_PHASE_ERROR) {
/* phase error, go to unrecoovered state */
msc_botxfer_param.msc_state = USBH_MSC_UNRECOVERED_STATE;
} else if (status == USBH_MSC_BUSY) {
/* no change in state */
}
}

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RISC-V/Source/usbh_msc_fatfs.c
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/*!
\file usbh_msc_fatfs.c
\brief USB MSC host FATFS related functions
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "usb_conf.h"
#include "diskio.h"
#include "usbh_msc_core.h"
static volatile DSTATUS state = STA_NOINIT; /* disk status */
extern usb_core_driver usbh_msc_core;
extern usbh_host usb_host;
/*!
\brief initialize the disk drive
\param[in] drv: physical drive number (0)
\param[out] none
\retval operation status
*/
DSTATUS disk_initialize (BYTE drv)
{
if (usbh_msc_core.host.connect_status) {
state &= ~STA_NOINIT;
}
return state;
}
/*!
\brief get disk status
\param[in] drv: physical drive number (0)
\param[out] none
\retval operation status
*/
DSTATUS disk_status (BYTE drv)
{
if (drv) {
return STA_NOINIT; /* supports only single drive */
}
return state;
}
/*!
\brief read sectors
\param[in] drv: physical drive number (0)
\param[in] buff: pointer to the data buffer to store read data
\param[in] sector: start sector number (LBA)
\param[in] count: sector count (1..255)
\param[out] none
\retval operation status
*/
DRESULT disk_read (BYTE drv,
BYTE *buff,
DWORD sector,
BYTE count)
{
BYTE status = USBH_MSC_OK;
if (drv || !count) {
return RES_PARERR;
}
if (state & STA_NOINIT) {
return RES_NOTRDY;
}
if (usbh_msc_core.host.connect_status) {
do {
status = usbh_msc_read10 (&usbh_msc_core, buff,sector, 512 * count);
usbh_msc_botxfer(&usbh_msc_core, &usb_host);
if (!usbh_msc_core.host.connect_status) {
return RES_ERROR;
}
} while(status == USBH_MSC_BUSY);
}
if (status == USBH_MSC_OK) {
return RES_OK;
}
return RES_ERROR;
}
#if _READONLY == 0
/*!
\brief write sectors
\param[in] drv: physical drive number (0)
\param[in] buff: pointer to the data buffer to store read data
\param[in] sector: start sector number (LBA)
\param[in] count: sector count (1..255)
\param[out] none
\retval operation status
*/
DRESULT disk_write (BYTE drv,
const BYTE *buff,
DWORD sector,
BYTE count)
{
BYTE status = USBH_MSC_OK;
if (drv || !count) {
return RES_PARERR;
}
if (state & STA_NOINIT) {
return RES_NOTRDY;
}
if (state & STA_PROTECT) {
return RES_WRPRT;
}
if (usbh_msc_core.host.connect_status) {
do {
status = usbh_msc_write10 (&usbh_msc_core, (BYTE*)buff,sector, 512 * count);
usbh_msc_botxfer(&usbh_msc_core, &usb_host);
if (!usbh_msc_core.host.connect_status) {
return RES_ERROR;
}
} while(status == USBH_MSC_BUSY);
}
if (status == USBH_MSC_OK) {
return RES_OK;
}
return RES_ERROR;
}
#endif /* _READONLY == 0 */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL != 0
/*!
\brief I/O control function
\param[in] drv: physical drive number (0)
\param[in] ctrl: control code
\param[in] buff: pointer to the data buffer to store read data
\param[out] none
\retval operation status
*/
DRESULT disk_ioctl (BYTE drv,
BYTE ctrl,
void *buff)
{
DRESULT res = RES_OK;
if (drv) {
return RES_PARERR;
}
res = RES_ERROR;
if (state & STA_NOINIT) {
return RES_NOTRDY;
}
switch (ctrl) {
case CTRL_SYNC: /* make sure that no pending write process */
res = RES_OK;
break;
case GET_SECTOR_COUNT: /* get number of sectors on the disk (dword) */
*(DWORD*)buff = (DWORD) usbh_msc_param.msc_capacity;
res = RES_OK;
break;
case GET_SECTOR_SIZE: /* get r/w sector size (word) */
*(WORD*)buff = 512;
res = RES_OK;
break;
case GET_BLOCK_SIZE: /* get erase block size in unit of sector (dword) */
*(DWORD*)buff = 512;
break;
default:
res = RES_PARERR;
break;
}
return res;
}
#endif /* _USE_IOCTL != 0 */

488
RISC-V/Source/usbh_msc_scsi.c
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/*!
\file usbh_msc_scsi.c
\brief USB MSC SCSI commands implemention
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "usbh_msc_core.h"
#include "usbh_msc_scsi.h"
#include "usbh_msc_bbb.h"
usbh_msc_parameter usbh_msc_param;
uint8_t usbh_databuf_in[512];
uint8_t usbh_databuf_out[512];
/*!
\brief send 'Test unit ready' command to the device
\param[in] pudev: pointer to usb device
\param[out] none
\retval operation status
*/
uint8_t usbh_msc_test_unitready (usb_core_driver *pudev)
{
uint8_t index;
usbh_msc_status status = USBH_MSC_BUSY;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.cmd_state_machine) {
case CMD_SEND_STATE:
/* prepare the CBW and relevent field */
msc_cbw_data.field.dCBWDataTransferLength = 0; /* no data transfer */
msc_cbw_data.field.bmCBWFlags = USB_TRX_OUT;
msc_cbw_data.field.bCBWCBLength = CBW_LENGTH_TEST_UNIT_READY;
msc_botxfer_param.xfer_buf = msc_csw_data.CSWArray;
msc_botxfer_param.data_len = USBH_MSC_CSW_MAX_LENGTH;
msc_botxfer_param.msc_state_current = USBH_MSC_TEST_UNIT_READY;
for (index = CBW_CB_LENGTH; index != 0; index--) {
msc_cbw_data.field.CBWCB[index] = 0x00;
}
msc_cbw_data.field.CBWCB[0] = SCSI_TEST_UNIT_READY;
msc_botxfer_param.bot_state = USBH_MSC_SEND_CBW;
/* start the transfer, then let the state machine magage the other transactions */
msc_botxfer_param.msc_state = USBH_MSC_BOT_USB_TRANSFERS;
msc_botxfer_param.bot_xfer_status = USBH_MSC_BUSY;
msc_botxfer_param.cmd_state_machine = CMD_WAIT_STATUS;
status = USBH_MSC_BUSY;
break;
case CMD_WAIT_STATUS:
if (msc_botxfer_param.bot_xfer_status == USBH_MSC_OK) {
/* commands successfully sent and response received */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_OK;
} else if ( msc_botxfer_param.bot_xfer_status == USBH_MSC_FAIL) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_FAIL;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_PHASE_ERROR) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_PHASE_ERROR;
}
break;
default:
break;
}
}
return status;
}
/*!
\brief send the read capacity command to the device
\param[in] pudev: pointer to usb device
\param[out] none
\retval operation status
*/
uint8_t usbh_msc_read_capacity10 (usb_core_driver *pudev)
{
uint8_t index;
usbh_msc_status status = USBH_MSC_BUSY;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.cmd_state_machine) {
case CMD_SEND_STATE:
/* prepare the CBW and relevent field */
msc_cbw_data.field.dCBWDataTransferLength = READ_CAPACITY10_DATA_LEN;
msc_cbw_data.field.bmCBWFlags = USB_TRX_IN;
msc_cbw_data.field.bCBWCBLength = CBW_LENGTH;
msc_botxfer_param.xfer_buf = usbh_databuf_in;
msc_botxfer_param.msc_state_current = USBH_MSC_READ_CAPACITY10;
for (index = CBW_CB_LENGTH; index != 0; index--) {
msc_cbw_data.field.CBWCB[index] = 0x00;
}
msc_cbw_data.field.CBWCB[0] = SCSI_READ_CAPACITY10;
msc_botxfer_param.bot_state = USBH_MSC_SEND_CBW;
/* start the transfer, then let the state machine manage the other transactions */
msc_botxfer_param.msc_state = USBH_MSC_BOT_USB_TRANSFERS;
msc_botxfer_param.bot_xfer_status = USBH_MSC_BUSY;
msc_botxfer_param.cmd_state_machine = CMD_WAIT_STATUS;
status = USBH_MSC_BUSY;
break;
case CMD_WAIT_STATUS:
if (msc_botxfer_param.bot_xfer_status == USBH_MSC_OK) {
/* assign the capacity */
(((uint8_t*)&usbh_msc_param.msc_capacity )[3]) = usbh_databuf_in[0];
(((uint8_t*)&usbh_msc_param.msc_capacity )[2]) = usbh_databuf_in[1];
(((uint8_t*)&usbh_msc_param.msc_capacity )[1]) = usbh_databuf_in[2];
(((uint8_t*)&usbh_msc_param.msc_capacity )[0]) = usbh_databuf_in[3];
/* assign the page length */
(((uint8_t*)&usbh_msc_param.msc_page_len )[1]) = usbh_databuf_in[6];
(((uint8_t*)&usbh_msc_param.msc_page_len )[0]) = usbh_databuf_in[7];
/* commands successfully sent and response received */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_OK;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_FAIL) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_FAIL;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_PHASE_ERROR) {
/* Failure Mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_PHASE_ERROR;
} else {
/* wait for the commands to get completed */
/* no change in state machine */
}
break;
default:
break;
}
}
return status;
}
/*!
\brief send the mode sense6 command to the device
\param[in] pudev: pointer to usb device
\param[out] none
\retval operation status
*/
uint8_t usbh_msc_mode_sense6 (usb_core_driver *pudev)
{
uint8_t index;
usbh_msc_status status = USBH_MSC_BUSY;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.cmd_state_machine) {
case CMD_SEND_STATE:
/* prepare the CBW and relevent field */
msc_cbw_data.field.dCBWDataTransferLength = XFER_LEN_MODE_SENSE6;
msc_cbw_data.field.bmCBWFlags = USB_TRX_IN;
msc_cbw_data.field.bCBWCBLength = CBW_LENGTH;
msc_botxfer_param.xfer_buf = usbh_databuf_in;
msc_botxfer_param.msc_state_current = USBH_MSC_MODE_SENSE6;
for (index = CBW_CB_LENGTH; index != 0; index--) {
msc_cbw_data.field.CBWCB[index] = 0x00;
}
msc_cbw_data.field.CBWCB[0] = SCSI_MODE_SENSE6;
msc_cbw_data.field.CBWCB[2] = MODE_SENSE_PAGE_CONTROL_FIELD | MODE_SENSE_PAGE_CODE;
msc_cbw_data.field.CBWCB[4] = XFER_LEN_MODE_SENSE6;
msc_botxfer_param.bot_state = USBH_MSC_SEND_CBW;
/* start the transfer, then let the state machine manage the other transactions */
msc_botxfer_param.msc_state = USBH_MSC_BOT_USB_TRANSFERS;
msc_botxfer_param.bot_xfer_status = USBH_MSC_BUSY;
msc_botxfer_param.cmd_state_machine = CMD_WAIT_STATUS;
status = USBH_MSC_BUSY;
break;
case CMD_WAIT_STATUS:
if (msc_botxfer_param.bot_xfer_status == USBH_MSC_OK) {
/* assign the write protect status */
/* if writeprotect = 0, writing is allowed
if writeprotect != 0, disk is write protected */
if (usbh_databuf_in[2] & MASK_MODE_SENSE_WRITE_PROTECT) {
usbh_msc_param.msc_write_protect = DISK_WRITE_PROTECTED;
} else {
usbh_msc_param.msc_write_protect = 0;
}
/* commands successfully sent and response received */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_OK;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_FAIL) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_FAIL;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_PHASE_ERROR) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_PHASE_ERROR;
} else {
/* wait for the commands to get completed */
/* no change in state machine */
}
break;
default:
break;
}
}
return status;
}
/*!
\brief send the Request Sense command to the device
\param[in] pudev: pointer to usb device
\param[out] none
\retval operation status
*/
uint8_t usbh_msc_request_sense (usb_core_driver *pudev)
{
usbh_msc_status status = USBH_MSC_BUSY;
uint8_t index;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.cmd_state_machine) {
case CMD_SEND_STATE:
/* prepare the cbw and relevent field */
msc_cbw_data.field.dCBWDataTransferLength = ALLOCATION_LENGTH_REQUEST_SENSE;
msc_cbw_data.field.bmCBWFlags = USB_TRX_IN;
msc_cbw_data.field.bCBWCBLength = CBW_LENGTH;
msc_botxfer_param.xfer_buf = usbh_databuf_in;
msc_botxfer_param.msc_state_bkp = msc_botxfer_param.msc_state_current;
msc_botxfer_param.msc_state_current = USBH_MSC_REQUEST_SENSE;
for (index = CBW_CB_LENGTH; index != 0; index--) {
msc_cbw_data.field.CBWCB[index] = 0x00;
}
msc_cbw_data.field.CBWCB[0] = SCSI_REQUEST_SENSE;
msc_cbw_data.field.CBWCB[1] = DESC_REQUEST_SENSE;
msc_cbw_data.field.CBWCB[4] = ALLOCATION_LENGTH_REQUEST_SENSE;
msc_botxfer_param.bot_state = USBH_MSC_SEND_CBW;
/* start the transfer, then let the state machine magage the other transactions */
msc_botxfer_param.msc_state = USBH_MSC_BOT_USB_TRANSFERS;
msc_botxfer_param.bot_xfer_status = USBH_MSC_BUSY;
msc_botxfer_param.cmd_state_machine = CMD_WAIT_STATUS;
status = USBH_MSC_BUSY;
break;
case CMD_WAIT_STATUS:
if (msc_botxfer_param.bot_xfer_status == USBH_MSC_OK) {
/* get sense data */
(((uint8_t*)&usbh_msc_param.msc_sense_key )[3]) = usbh_databuf_in[0];
(((uint8_t*)&usbh_msc_param.msc_sense_key )[2]) = usbh_databuf_in[1];
(((uint8_t*)&usbh_msc_param.msc_sense_key )[1]) = usbh_databuf_in[2];
(((uint8_t*)&usbh_msc_param.msc_sense_key )[0]) = usbh_databuf_in[3];
/* commands successfully sent and response received */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_OK;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_FAIL) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_FAIL;
} else if ( msc_botxfer_param.bot_xfer_status == USBH_MSC_PHASE_ERROR ) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_PHASE_ERROR;
} else {
/* wait for the commands to get completed */
/* no change in state machine */
}
break;
default:
break;
}
}
return status;
}
/*!
\brief send the write10 command to the device
\param[in] pudev: pointer to usb device
\param[in] data_buf: data buffer contains the data to write
\param[in] addr: address to which the data will be written
\param[in] byte_num: number of bytes to be written
\param[out] none
\retval operation status
*/
uint8_t usbh_msc_write10 (usb_core_driver *pudev, uint8_t *data_buf, uint32_t addr, uint32_t byte_num)
{
uint8_t index;
uint16_t nbOfPages;
usbh_msc_status status = USBH_MSC_BUSY;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.cmd_state_machine) {
case CMD_SEND_STATE:
msc_cbw_data.field.dCBWDataTransferLength = byte_num;
msc_cbw_data.field.bmCBWFlags = USB_TRX_OUT;
msc_cbw_data.field.bCBWCBLength = CBW_LENGTH;
msc_botxfer_param.xfer_buf = data_buf;
for (index = CBW_CB_LENGTH; index != 0; index--) {
msc_cbw_data.field.CBWCB[index] = 0x00;
}
msc_cbw_data.field.CBWCB[0] = SCSI_WRITE10;
/* logical block address */
msc_cbw_data.field.CBWCB[2] = (((uint8_t*)&addr)[3]);
msc_cbw_data.field.CBWCB[3] = (((uint8_t*)&addr)[2]);
msc_cbw_data.field.CBWCB[4] = (((uint8_t*)&addr)[1]);
msc_cbw_data.field.CBWCB[5] = (((uint8_t*)&addr)[0]);
/* USBH_MSC_PAGE_LENGTH = 512*/
nbOfPages = byte_num / USBH_MSC_PAGE_LENGTH;
/* tranfer length */
msc_cbw_data.field.CBWCB[7] = (((uint8_t *)&nbOfPages)[1]);
msc_cbw_data.field.CBWCB[8] = (((uint8_t *)&nbOfPages)[0]);
msc_botxfer_param.bot_state = USBH_MSC_SEND_CBW;
/* start the transfer, then let the state machine magage the other transactions */
msc_botxfer_param.msc_state = USBH_MSC_BOT_USB_TRANSFERS;
msc_botxfer_param.bot_xfer_status = USBH_MSC_BUSY;
msc_botxfer_param.cmd_state_machine = CMD_WAIT_STATUS;
status = USBH_MSC_BUSY;
break;
case CMD_WAIT_STATUS:
if (msc_botxfer_param.bot_xfer_status == USBH_MSC_OK) {
/* commands successfully sent and response received */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_OK;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_FAIL) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_PHASE_ERROR) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_PHASE_ERROR;
}
break;
default:
break;
}
}
return status;
}
/*!
\brief send the read10 command to the device
\param[in] pudev: pointer to usb device
\param[in] data_buf: data buffer contains the data to write
\param[in] addr: address to which the data will be written
\param[in] byte_num: number of bytes to be written
\param[out] none
\retval operation status
*/
uint8_t usbh_msc_read10 (usb_core_driver *pudev, uint8_t *data_buf, uint32_t addr, uint32_t byte_num)
{
uint8_t index;
uint16_t nbOfPages;
static usbh_msc_status status = USBH_MSC_BUSY;
status = USBH_MSC_BUSY;
if (pudev->host.connect_status) {
switch (msc_botxfer_param.cmd_state_machine) {
case CMD_SEND_STATE:
/* prepare the CBW and relevent field */
msc_cbw_data.field.dCBWDataTransferLength = byte_num;
msc_cbw_data.field.bmCBWFlags = USB_TRX_IN;
msc_cbw_data.field.bCBWCBLength = CBW_LENGTH;
msc_botxfer_param.xfer_buf = data_buf;
for(index = CBW_CB_LENGTH; index != 0; index--)
{
msc_cbw_data.field.CBWCB[index] = 0x00;
}
msc_cbw_data.field.CBWCB[0] = SCSI_READ10;
/* logical block address */
msc_cbw_data.field.CBWCB[2] = (((uint8_t*)&addr)[3]);
msc_cbw_data.field.CBWCB[3] = (((uint8_t*)&addr)[2]);
msc_cbw_data.field.CBWCB[4] = (((uint8_t*)&addr)[1]);
msc_cbw_data.field.CBWCB[5] = (((uint8_t*)&addr)[0]);
/* USBH_MSC_PAGE_LENGTH = 512 */
nbOfPages = byte_num / USBH_MSC_PAGE_LENGTH;
/* tranfer length */
msc_cbw_data.field.CBWCB[7] = (((uint8_t *)&nbOfPages)[1]);
msc_cbw_data.field.CBWCB[8] = (((uint8_t *)&nbOfPages)[0]);
msc_botxfer_param.bot_state = USBH_MSC_SEND_CBW;
/* start the transfer, then let the state machine magage the other transactions */
msc_botxfer_param.msc_state = USBH_MSC_BOT_USB_TRANSFERS;
msc_botxfer_param.bot_xfer_status = USBH_MSC_BUSY;
msc_botxfer_param.cmd_state_machine = CMD_WAIT_STATUS;
status = USBH_MSC_BUSY;
break;
case CMD_WAIT_STATUS:
if ((msc_botxfer_param.bot_xfer_status == USBH_MSC_OK) && \
(pudev->host.connect_status)) {
/* commands successfully sent and response received */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_OK;
} else if ((msc_botxfer_param.bot_xfer_status == USBH_MSC_FAIL) && \
(pudev->host.connect_status)) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
} else if (msc_botxfer_param.bot_xfer_status == USBH_MSC_PHASE_ERROR) {
/* failure mode */
msc_botxfer_param.cmd_state_machine = CMD_SEND_STATE;
status = USBH_MSC_PHASE_ERROR;
} else {
/* wait for the commands to get completed */
/* no change in state machine */
}
break;
default:
break;
}
}
return status;
}

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RISC-V/Source/usbh_usr.c
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/*!
\file usbh_usr.c
\brief user application layer for USBFS host-mode MSC class operation
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include <string.h>
#include "usbh_usr.h"
#include "drv_usb_hw.h"
#include "ff.h"
#include "usbh_msc_core.h"
#include "usbh_msc_scsi.h"
#include "usbh_msc_bbb.h"
extern usb_core_driver usbh_msc_core;
FATFS fatfs;
FIL file;
uint8_t line_idx = 0;
uint8_t need_clear = 0;
uint8_t usbh_usr_application_state = USBH_USR_FS_INIT;
uint8_t WriteTextBuff[] = "GD32 Connectivity line Host Demo application using FAT_FS ";
/* points to the DEVICE_PROP structure of current device */
usbh_user_cb user_callback_funs =
{
usbh_user_init,
usbh_user_deinit,
usbh_user_device_connected,
usbh_user_device_reset,
usbh_user_device_disconnected,
usbh_user_over_current_detected,
usbh_user_device_speed_detected,
usbh_user_device_desc_available,
usbh_user_device_address_assigned,
usbh_user_configuration_descavailable,
usbh_user_manufacturer_string,
usbh_user_product_string,
usbh_user_serialnum_string,
usbh_user_enumeration_finish,
usbh_user_userinput,
usbh_usr_msc_application,
usbh_user_device_not_supported,
usbh_user_unrecovered_error
};
const uint8_t MSG_HOST_INIT[] = "> Host Library Initialized.";
const uint8_t MSG_DEV_ATTACHED[] = "> Device Attached.";
const uint8_t MSG_DEV_DISCONNECTED[] = "> Device Disconnected.";
const uint8_t MSG_DEV_ENUMERATED[] = "> Enumeration completed.";
const uint8_t MSG_DEV_HIGHSPEED[] = "> High speed device detected.";
const uint8_t MSG_DEV_FULLSPEED[] = "> Full speed device detected.";
const uint8_t MSG_DEV_LOWSPEED[] = "> Low speed device detected.";
const uint8_t MSG_DEV_ERROR[] = "> Device fault.";
const uint8_t MSG_HOST_HEADER[] = "> USBFS MSC Host";
const uint8_t MSG_HOST_FOOTER[] = "> USB Host Library v2.0.0";
const uint8_t MSG_LIB_START[] = "##### USB Host library started #####";
const uint8_t MSG_DEV_NOSUP[] = "> Device not supported.";
const uint8_t MSG_OVERCURRENT[] = "> Overcurrent detected.";
const uint8_t MSG_RESET_DEV[] = "> Reset the USB device.";
const uint8_t MSG_MSC_CLASS[] = "> Mass storage device connected.";
const uint8_t MSG_HID_CLASS[] = "> HID device connected.";
const uint8_t MSG_DISK_SIZE[] = "> Size of the disk in MBytes: ";
const uint8_t MSG_LUN[] = "> LUN Available in the device:";
const uint8_t MSG_ROOT_CONT[] = "> Exploring disk flash ...";
const uint8_t MSG_WR_PROTECT[] = "> The disk is write protected.";
const uint8_t MSG_UNREC_ERROR[] = "> UNRECOVERED ERROR STATE.";
const uint8_t MSG_FILE_NOTINIT[] = "> Cannot initialize File System.";
const uint8_t MSG_FILE_INIT[] = "> File System initialized.";
const uint8_t MSG_Write_File[] = "> Writing File to disk flash ...";
const uint8_t MSG_Write_Protect[] = "> Disk flash is write protected ";
const uint8_t MSG_NOT_WRITE[] = "> GD32.TXT CANNOT be writen.";
const uint8_t MSG_CREATE_FILE[] = "> GD32.TXT created in the disk.";
static uint8_t explore_disk (char* path, uint8_t recu_level);
/*!
\brief user operation for host-mode initialization
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_init(void)
{
static uint8_t startup = 0U;
if (0U == startup) {
startup = 1U;
//lcd_log_print((uint8_t *)MSG_LIB_START, sizeof(MSG_LIB_START) - 1, LCD_COLOR_WHITE);
//lcd_log_footer_set((uint8_t *)MSG_HOST_FOOTER, 70);
}
}
/*!
\brief user operation for device attached
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_device_connected(void)
{
//lcd_log_print((uint8_t *)MSG_DEV_ATTACHED, sizeof(MSG_DEV_ATTACHED) - 1, LCD_COLOR_WHITE);
}
/*!
\brief user operation when unrecoveredError happens
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_unrecovered_error (void)
{
//lcd_log_print((uint8_t *)MSG_UNREC_ERROR, sizeof(MSG_UNREC_ERROR) - 1, LCD_COLOR_WHITE);
}
/*!
\brief user operation for device disconnect event
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_device_disconnected (void)
{
//lcd_log_print((uint8_t *)MSG_DEV_DISCONNECTED, sizeof(MSG_DEV_DISCONNECTED) - 1, LCD_COLOR_WHITE);
}
/*!
\brief user operation for reset USB Device
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_device_reset(void)
{
//lcd_log_print((uint8_t *)MSG_RESET_DEV, sizeof(MSG_RESET_DEV) - 1, LCD_COLOR_WHITE);
}
/*!
\brief user operation for detectting device speed
\param[in] device_speed: device speed
\param[out] none
\retval none
*/
void usbh_user_device_speed_detected(uint32_t device_speed)
{
if (PORT_SPEED_HIGH == device_speed) {
//lcd_log_print((uint8_t *)MSG_DEV_HIGHSPEED, sizeof(MSG_DEV_HIGHSPEED) - 1, LCD_COLOR_WHITE);
} else if(PORT_SPEED_FULL == device_speed) {
//lcd_log_print((uint8_t *)MSG_DEV_FULLSPEED, sizeof(MSG_DEV_FULLSPEED) - 1, LCD_COLOR_WHITE);
} else if(PORT_SPEED_LOW == device_speed) {
//lcd_log_print((uint8_t *)MSG_DEV_LOWSPEED, sizeof(MSG_DEV_LOWSPEED) - 1, LCD_COLOR_WHITE);
} else {
//lcd_log_print((uint8_t *)MSG_DEV_ERROR, sizeof(MSG_DEV_ERROR) - 1, LCD_COLOR_WHITE);
}
}
/*!
\brief user operation when device descriptor is available
\param[in] device_desc: device descriptor
\param[out] none
\retval none
*/
void usbh_user_device_desc_available(void *device_desc)
{
uint8_t TempStr[64], str_len = 0;
usb_desc_dev *pDevStr = device_desc;
sprintf((char *)TempStr, "VID: %04Xh", (uint32_t)pDevStr->idVendor);
str_len = strlen((const char *)TempStr);
//lcd_log_print((uint8_t *)TempStr, str_len, LCD_COLOR_WHITE);
sprintf((char *)TempStr, "PID: %04Xh", (uint32_t)pDevStr->idProduct);
str_len = strlen((const char *)TempStr);
//lcd_log_print((uint8_t *)TempStr, str_len, LCD_COLOR_WHITE);
}
/*!
\brief usb device is successfully assigned the Address
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_device_address_assigned(void)
{
}
/*!
\brief user operation when configuration descriptor is available
\param[in] cfg_desc: pointer to configuration descriptor
\param[in] itf_desc: pointer to interface descriptor
\param[in] ep_desc: pointer to endpoint descriptor
\param[out] none
\retval none
*/
void usbh_user_configuration_descavailable(usb_desc_config *cfg_desc,
usb_desc_itf *itf_desc,
usb_desc_ep *ep_desc)
{
usb_desc_itf *id = itf_desc;
if (0x08U == (*id).bInterfaceClass) {
//lcd_log_print((uint8_t *)MSG_MSC_CLASS, sizeof(MSG_MSC_CLASS) - 1, LCD_COLOR_WHITE);
} else if (0x03U == (*id).bInterfaceClass) {
//lcd_log_print((uint8_t *)MSG_HID_CLASS, sizeof(MSG_HID_CLASS) - 1, LCD_COLOR_WHITE);
}
}
/*!
\brief user operation when manufacturer string exists
\param[in] manufacturer_string: manufacturer string of usb device
\param[out] none
\retval none
*/
void usbh_user_manufacturer_string(void *manufacturer_string)
{
uint8_t TempStr[64], str_len = 0;
sprintf((char *)TempStr, "Manufacturer: %s", (char *)manufacturer_string);
str_len = strlen((const char *)TempStr);
//lcd_log_print((uint8_t *)TempStr, str_len, LCD_COLOR_WHITE);
}
/*!
\brief user operation when product string exists
\param[in] product_string: product string of usb device
\param[out] none
\retval none
*/
void usbh_user_product_string(void *product_string)
{
uint8_t TempStr[64], str_len = 0;
sprintf((char *)TempStr, "Product: %s", (char *)product_string);
str_len = strlen((const char *)TempStr);
//lcd_log_print((uint8_t *)TempStr, str_len, LCD_COLOR_WHITE);
}
/*!
\brief user operatin when serialNum string exists
\param[in] serial_num_string: serialNum string of usb device
\param[out] none
\retval none
*/
void usbh_user_serialnum_string(void *serial_num_string)
{
uint8_t TempStr[64], str_len = 0;
sprintf((char *)TempStr, "Serial Number: %s", (char *)serial_num_string);
str_len = strlen((const char *)TempStr);
//lcd_log_print((uint8_t *)TempStr, str_len, LCD_COLOR_WHITE);
}
/*!
\brief user response request is displayed to ask for application jump to class
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_enumeration_finish(void)
{
uint8_t Str1[] = "To see the disk information: ";
uint8_t Str2[] = "Press CET Key...";
//lcd_log_print((uint8_t *)MSG_DEV_ENUMERATED, sizeof(MSG_DEV_ENUMERATED) - 1, LCD_COLOR_WHITE);
//lcd_log_print((uint8_t *)Str1, sizeof(Str1) - 1, LCD_COLOR_GREEN);
//lcd_log_print((uint8_t *)Str2, sizeof(Str2) - 1, LCD_COLOR_GREEN);
}
/*!
\brief user operation when device is not supported
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_device_not_supported(void)
{
//lcd_log_print((uint8_t *)MSG_DEV_NOSUP, sizeof(MSG_DEV_NOSUP) - 1, LCD_COLOR_WHITE);
}
/*!
\brief user action for application state entry
\param[in] none
\param[out] none
\retval user response for user key
*/
usbh_user_status usbh_user_userinput(void)
{
usbh_user_status usbh_usr_status = USBH_USER_NO_RESP;
return usbh_usr_status;
}
/*!
\brief user operation for device overcurrent detection event
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_over_current_detected (void)
{
//lcd_log_print((uint8_t *)MSG_OVERCURRENT, sizeof(MSG_OVERCURRENT) - 1, LCD_COLOR_WHITE);
}
/*!
\brief demo application for mass storage
\param[in] pudev: pointer to device
\param[in] id: no use here
\param[out] none
\retval status
*/
int usbh_usr_msc_application(void)
{
FRESULT res;
uint16_t bytesWritten, bytesToWrite;
uint8_t Str1[] = "> To see the root content of the disk ";
uint8_t Str2[] = "> Press C Key to write file";
uint8_t Str3[] = "> The MSC host demo is end.";
uint8_t Str4[] = "> Press CET key...";
uint8_t TempStr[64], str_len = 0;
switch(usbh_usr_application_state)
{
case USBH_USR_FS_INIT:
/* initialises the file system*/
if (FR_OK != f_mount(0, &fatfs)) {
//lcd_log_print((uint8_t *)MSG_FILE_NOTINIT, sizeof(MSG_FILE_NOTINIT) - 1, LCD_COLOR_WHITE);
return(-1);
}
//lcd_log_print((uint8_t *)MSG_FILE_INIT, sizeof(MSG_FILE_INIT) - 1, LCD_COLOR_WHITE);
sprintf((char *)TempStr, "> Disk capacity: %ud Bytes.", \
usbh_msc_param.msc_capacity * usbh_msc_param.msc_page_len);
str_len = strlen((const char *)TempStr);
//lcd_log_print((uint8_t *)TempStr, str_len, LCD_COLOR_WHITE);
if (DISK_WRITE_PROTECTED == usbh_msc_param.msc_write_protect) {
//lcd_log_print((uint8_t *)MSG_WR_PROTECT, sizeof(MSG_WR_PROTECT) - 1, LCD_COLOR_WHITE);
}
usbh_usr_application_state = USBH_USR_FS_READLIST;
break;
case USBH_USR_FS_READLIST:
//lcd_log_print((uint8_t *)MSG_ROOT_CONT, sizeof(MSG_ROOT_CONT) - 1, LCD_COLOR_WHITE);
//lcd_log_print((uint8_t *)Str1, sizeof(Str1) - 1, LCD_COLOR_GREEN);
//lcd_log_print((uint8_t *)Str4, sizeof(Str4) - 1, LCD_COLOR_GREEN);
//explore_disk("0:/", 1);
line_idx = 0;
usbh_usr_application_state = USBH_USR_FS_WRITEFILE;
break;
case USBH_USR_FS_WRITEFILE:
usb_mdelay(100U);
//lcd_log_print((uint8_t *)Str2, sizeof(Str2) - 1, LCD_COLOR_GREEN);
//lcd_log_print((uint8_t *)MSG_Write_File, sizeof(MSG_Write_File) - 1, LCD_COLOR_WHITE);
if (DISK_WRITE_PROTECTED == usbh_msc_param.msc_write_protect) {
//lcd_log_print((uint8_t *)MSG_Write_Protect, sizeof(MSG_Write_Protect) - 1, LCD_COLOR_WHITE);
usbh_usr_application_state = USBH_USR_FS_DEMOEND;
break;
}
/* register work area for logical drives */
f_mount(0, &fatfs);
if (FR_OK == f_open(&file, "0:GD32.TXT", FA_CREATE_ALWAYS | FA_WRITE)) {
/* write buffer to file */
bytesToWrite = sizeof(WriteTextBuff);
res = f_write (&file, WriteTextBuff, bytesToWrite, (void *)&bytesWritten);
/* EOF or error */
if ((0U == bytesWritten) || (FR_OK != res)) {
//lcd_log_print((uint8_t *)MSG_NOT_WRITE, sizeof(MSG_NOT_WRITE) - 1, LCD_COLOR_WHITE);
} else {
//lcd_log_print((uint8_t *)MSG_CREATE_FILE, sizeof(MSG_CREATE_FILE) - 1, LCD_COLOR_WHITE);
}
/* close file and filesystem */
f_close(&file);
f_mount(0, NULL);
} else {
//lcd_log_print((uint8_t *)MSG_CREATE_FILE, sizeof(MSG_CREATE_FILE) - 1, LCD_COLOR_WHITE);
}
usbh_usr_application_state = USBH_USR_FS_DEMOEND;
//lcd_log_print((uint8_t *)Str3, sizeof(Str3) - 1, LCD_COLOR_GREEN);
break;
case USBH_USR_FS_DEMOEND:
break;
default:
break;
}
return(0);
}
/*!
\brief displays disk content
\param[in] path: pointer to root path
\param[in] recu_level: recursive level
\param[out] none
\retval status
*/
static uint8_t explore_disk (char* path, uint8_t recu_level)
{
FRESULT res;
FILINFO fno;
DIR dir;
char *fn;
uint8_t Str2[] = "Press B Key to continue";
res = f_opendir(&dir, path);
if (res == FR_OK) {
while (usbh_msc_core.host.connect_status) {
res = f_readdir(&dir, &fno);
if (FR_OK != res || 0U == fno.fname[0]) {
break;
}
if ('.' == fno.fname[0]) {
continue;
}
fn = fno.fname;
line_idx++;
if (line_idx > 4) {
line_idx = 0;
//lcd_log_print((uint8_t *)Str2, sizeof(Str2) - 1, LCD_COLOR_GREEN);
}
if (1U == recu_level) {
uint8_t temp[] = " |__";
//lcd_log_print((uint8_t *)temp, strlen((const char *)temp), LCD_COLOR_WHITE);
} else if(2U == recu_level) {
uint8_t temp[] = " | |__";
//lcd_log_print((uint8_t *)temp, strlen((const char *)temp), LCD_COLOR_WHITE);
}
if (AM_DIR == (fno.fattrib & AM_MASK)) {
//lcd_log_print((uint8_t *)fno.fname, strlen(fno.fname), LCD_COLOR_RED);
} else {
//lcd_log_print((uint8_t *)fno.fname, strlen(fno.fname), LCD_COLOR_WHITE);
}
if ((AM_DIR == (fno.fattrib & AM_MASK)) && (1U == recu_level)) {
explore_disk(fn, 2);
}
}
}
return res;
}
/*!
\brief deinit user state and associated variables
\param[in] none
\param[out] none
\retval none
*/
void usbh_user_deinit(void)
{
usbh_usr_application_state = USBH_USR_FS_INIT;
}
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