Official ARM version: v5.4.0
Add CMSIS V5.4.0, please refer to index.html available under \docs folder.
Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure
used in existing projects, and thus avoid projects mass update
Note: the following components have been removed from ARM original delivery (as not used in ST packages)
- CMSIS_EW2018.pdf
- .gitattributes
- .gitignore
- \Device
- \CMSIS
- \CoreValidation
- \DAP
- \Documentation
- \DoxyGen
- \Driver
- \Pack
- \RTOS\CMSIS_RTOS_Tutorial.pdf
- \RTOS\RTX
- \RTOS\Template
- \RTOS2\RTX
- \Utilities
- All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2
Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3
This commit is contained in:
Ali Labbene
parent
76177aa280
commit
9f95ff5b6b
6402 changed files with 944683 additions and 314204 deletions
4
DSP/Examples/ARM/arm_convolution_example/Abstract.txt
Normal file
4
DSP/Examples/ARM/arm_convolution_example/Abstract.txt
Normal file
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@ -0,0 +1,4 @@
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CMSIS DSP_Lib example arm_convolution_example for
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Cortex-M0, Cortex-M3, Cortex-M4 with FPU and Cortex-M7 with single precision FPU.
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The example is configured for uVision Simulator.
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@ -0,0 +1,15 @@
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/* This file demonstrates how to Map memory ranges, specify read, write, and execute permissions
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The file can be executed in the following way:
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1) manually from uVision command window (in debug mode) using command:
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INCLUIDE arm_convolution_example.ini
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*/
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// usual initialisation for target setup
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MAP 0x00000000, 0x0003FFFF EXEC READ // 256K Flash
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MAP 0x20000000, 0x20007FFF READ WRITE // 32K RAM
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@ -0,0 +1,896 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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||||
<ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_optx.xsd">
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||||
<SchemaVersion>1.0</SchemaVersion>
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<Header>### uVision Project, (C) Keil Software</Header>
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<Extensions>
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<cExt>*.c</cExt>
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<aExt>*.s*; *.src; *.a*</aExt>
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<oExt>*.obj</oExt>
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<lExt>*.lib</lExt>
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<tExt>*.txt; *.h; *.inc</tExt>
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<pExt>*.plm</pExt>
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<CppX>*.cpp</CppX>
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<nMigrate>0</nMigrate>
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</Extensions>
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||||
|
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<DaveTm>
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||||
<dwLowDateTime>0</dwLowDateTime>
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<dwHighDateTime>0</dwHighDateTime>
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</DaveTm>
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||||
|
||||
<Target>
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||||
<TargetName>ARMCM0</TargetName>
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<ToolsetNumber>0x4</ToolsetNumber>
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||||
<ToolsetName>ARM-ADS</ToolsetName>
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<TargetOption>
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<CLKADS>10000000</CLKADS>
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||||
<OPTTT>
|
||||
<gFlags>1</gFlags>
|
||||
<BeepAtEnd>1</BeepAtEnd>
|
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<RunSim>0</RunSim>
|
||||
<RunTarget>1</RunTarget>
|
||||
<RunAbUc>0</RunAbUc>
|
||||
</OPTTT>
|
||||
<OPTHX>
|
||||
<HexSelection>1</HexSelection>
|
||||
<FlashByte>65535</FlashByte>
|
||||
<HexRangeLowAddress>0</HexRangeLowAddress>
|
||||
<HexRangeHighAddress>0</HexRangeHighAddress>
|
||||
<HexOffset>0</HexOffset>
|
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</OPTHX>
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<OPTLEX>
|
||||
<PageWidth>79</PageWidth>
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<PageLength>66</PageLength>
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||||
<TabStop>8</TabStop>
|
||||
<ListingPath>.\ARMCM0_debug\</ListingPath>
|
||||
</OPTLEX>
|
||||
<ListingPage>
|
||||
<CreateCListing>1</CreateCListing>
|
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<CreateAListing>1</CreateAListing>
|
||||
<CreateLListing>1</CreateLListing>
|
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<CreateIListing>0</CreateIListing>
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</ListingPage>
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<OPTXL>
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<LMap>1</LMap>
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<LComments>1</LComments>
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<LGenerateSymbols>1</LGenerateSymbols>
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<LLibSym>1</LLibSym>
|
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<LLines>1</LLines>
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<LLocSym>1</LLocSym>
|
||||
<LPubSym>1</LPubSym>
|
||||
<LXref>0</LXref>
|
||||
<LExpSel>0</LExpSel>
|
||||
</OPTXL>
|
||||
<OPTFL>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<IsCurrentTarget>1</IsCurrentTarget>
|
||||
</OPTFL>
|
||||
<CpuCode>7</CpuCode>
|
||||
<DebugOpt>
|
||||
<uSim>1</uSim>
|
||||
<uTrg>0</uTrg>
|
||||
<sLdApp>1</sLdApp>
|
||||
<sGomain>1</sGomain>
|
||||
<sRbreak>1</sRbreak>
|
||||
<sRwatch>1</sRwatch>
|
||||
<sRmem>1</sRmem>
|
||||
<sRfunc>1</sRfunc>
|
||||
<sRbox>1</sRbox>
|
||||
<tLdApp>1</tLdApp>
|
||||
<tGomain>1</tGomain>
|
||||
<tRbreak>1</tRbreak>
|
||||
<tRwatch>1</tRwatch>
|
||||
<tRmem>1</tRmem>
|
||||
<tRfunc>0</tRfunc>
|
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<tRbox>1</tRbox>
|
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<tRtrace>0</tRtrace>
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<sRSysVw>1</sRSysVw>
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<tRSysVw>1</tRSysVw>
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<sRunDeb>0</sRunDeb>
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<sLrtime>0</sLrtime>
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<bEvRecOn>1</bEvRecOn>
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<bSchkAxf>0</bSchkAxf>
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<bTchkAxf>0</bTchkAxf>
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<nTsel>0</nTsel>
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<sDll></sDll>
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||||
<sDllPa></sDllPa>
|
||||
<sDlgDll></sDlgDll>
|
||||
<sDlgPa></sDlgPa>
|
||||
<sIfile>.\arm_convolution_example.ini</sIfile>
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<tDll></tDll>
|
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<tDllPa></tDllPa>
|
||||
<tDlgDll></tDlgDll>
|
||||
<tDlgPa></tDlgPa>
|
||||
<tIfile></tIfile>
|
||||
<pMon>BIN\UL2CM3.DLL</pMon>
|
||||
</DebugOpt>
|
||||
<TargetDriverDllRegistry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>PWSTATINFO</Key>
|
||||
<Name>200,50,700</Name>
|
||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>ARMRTXEVENTFLAGS</Key>
|
||||
<Name>-L70 -Z18 -C0 -M0 -T1</Name>
|
||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>UL2CM3</Key>
|
||||
<Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0NEW_DEVICE -FS00 -FL040000 -FP0($$Device:ARMCM0$Device\ARM\Flash\NEW_DEVICE.FLM))</Name>
|
||||
</SetRegEntry>
|
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<SetRegEntry>
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<Number>0</Number>
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<Key>DLGDARM</Key>
|
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<Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)</Name>
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||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
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||||
<Key>ARMDBGFLAGS</Key>
|
||||
<Name>-T0</Name>
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</SetRegEntry>
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</TargetDriverDllRegistry>
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<Breakpoint>
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<Bp>
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<Number>0</Number>
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<Type>0</Type>
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<LineNumber>241</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>1722</Address>
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<ByteObject>0</ByteObject>
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<HtxType>0</HtxType>
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<ManyObjects>0</ManyObjects>
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<SizeOfObject>0</SizeOfObject>
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<BreakByAccess>0</BreakByAccess>
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<BreakIfRCount>1</BreakIfRCount>
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||||
<Filename>.\arm_convolution_example_f32.c</Filename>
|
||||
<ExecCommand></ExecCommand>
|
||||
<Expression>\\arm_convolution_example\arm_convolution_example_f32.c\241</Expression>
|
||||
</Bp>
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||||
<Bp>
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<Number>1</Number>
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<Type>0</Type>
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<LineNumber>244</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>1726</Address>
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<ByteObject>0</ByteObject>
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<HtxType>0</HtxType>
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<ManyObjects>0</ManyObjects>
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<SizeOfObject>0</SizeOfObject>
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<BreakByAccess>0</BreakByAccess>
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<BreakIfRCount>1</BreakIfRCount>
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||||
<Filename>.\arm_convolution_example_f32.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\arm_convolution_example\arm_convolution_example_f32.c\244</Expression>
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</Bp>
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||||
</Breakpoint>
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||||
<Tracepoint>
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||||
<THDelay>0</THDelay>
|
||||
</Tracepoint>
|
||||
<DebugFlag>
|
||||
<trace>0</trace>
|
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<periodic>0</periodic>
|
||||
<aLwin>1</aLwin>
|
||||
<aCover>0</aCover>
|
||||
<aSer1>0</aSer1>
|
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<aSer2>0</aSer2>
|
||||
<aPa>0</aPa>
|
||||
<viewmode>1</viewmode>
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<vrSel>0</vrSel>
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<aSym>0</aSym>
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<aTbox>0</aTbox>
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<AscS1>0</AscS1>
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<AscS2>0</AscS2>
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<AscS3>0</AscS3>
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<aSer3>0</aSer3>
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<eProf>0</eProf>
|
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<aLa>0</aLa>
|
||||
<aPa1>0</aPa1>
|
||||
<AscS4>0</AscS4>
|
||||
<aSer4>0</aSer4>
|
||||
<StkLoc>0</StkLoc>
|
||||
<TrcWin>0</TrcWin>
|
||||
<newCpu>0</newCpu>
|
||||
<uProt>0</uProt>
|
||||
</DebugFlag>
|
||||
<LintExecutable></LintExecutable>
|
||||
<LintConfigFile></LintConfigFile>
|
||||
<bLintAuto>0</bLintAuto>
|
||||
<bAutoGenD>0</bAutoGenD>
|
||||
<LntExFlags>0</LntExFlags>
|
||||
<pMisraName></pMisraName>
|
||||
<pszMrule></pszMrule>
|
||||
<pSingCmds></pSingCmds>
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||||
<pMultCmds></pMultCmds>
|
||||
<pMisraNamep></pMisraNamep>
|
||||
<pszMrulep></pszMrulep>
|
||||
<pSingCmdsp></pSingCmdsp>
|
||||
<pMultCmdsp></pMultCmdsp>
|
||||
</TargetOption>
|
||||
</Target>
|
||||
|
||||
<Target>
|
||||
<TargetName>ARMCM3</TargetName>
|
||||
<ToolsetNumber>0x4</ToolsetNumber>
|
||||
<ToolsetName>ARM-ADS</ToolsetName>
|
||||
<TargetOption>
|
||||
<CLKADS>10000000</CLKADS>
|
||||
<OPTTT>
|
||||
<gFlags>1</gFlags>
|
||||
<BeepAtEnd>1</BeepAtEnd>
|
||||
<RunSim>0</RunSim>
|
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<RunTarget>1</RunTarget>
|
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<RunAbUc>0</RunAbUc>
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</OPTTT>
|
||||
<OPTHX>
|
||||
<HexSelection>1</HexSelection>
|
||||
<FlashByte>65535</FlashByte>
|
||||
<HexRangeLowAddress>0</HexRangeLowAddress>
|
||||
<HexRangeHighAddress>0</HexRangeHighAddress>
|
||||
<HexOffset>0</HexOffset>
|
||||
</OPTHX>
|
||||
<OPTLEX>
|
||||
<PageWidth>79</PageWidth>
|
||||
<PageLength>66</PageLength>
|
||||
<TabStop>8</TabStop>
|
||||
<ListingPath>.\ARMCM3_debug\</ListingPath>
|
||||
</OPTLEX>
|
||||
<ListingPage>
|
||||
<CreateCListing>1</CreateCListing>
|
||||
<CreateAListing>1</CreateAListing>
|
||||
<CreateLListing>1</CreateLListing>
|
||||
<CreateIListing>0</CreateIListing>
|
||||
<AsmCond>1</AsmCond>
|
||||
<AsmSymb>1</AsmSymb>
|
||||
<AsmXref>0</AsmXref>
|
||||
<CCond>1</CCond>
|
||||
<CCode>0</CCode>
|
||||
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|
||||
<CSymb>0</CSymb>
|
||||
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|
||||
</ListingPage>
|
||||
<OPTXL>
|
||||
<LMap>1</LMap>
|
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<LComments>1</LComments>
|
||||
<LGenerateSymbols>1</LGenerateSymbols>
|
||||
<LLibSym>1</LLibSym>
|
||||
<LLines>1</LLines>
|
||||
<LLocSym>1</LLocSym>
|
||||
<LPubSym>1</LPubSym>
|
||||
<LXref>0</LXref>
|
||||
<LExpSel>0</LExpSel>
|
||||
</OPTXL>
|
||||
<OPTFL>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<IsCurrentTarget>0</IsCurrentTarget>
|
||||
</OPTFL>
|
||||
<CpuCode>7</CpuCode>
|
||||
<DebugOpt>
|
||||
<uSim>1</uSim>
|
||||
<uTrg>0</uTrg>
|
||||
<sLdApp>1</sLdApp>
|
||||
<sGomain>1</sGomain>
|
||||
<sRbreak>1</sRbreak>
|
||||
<sRwatch>1</sRwatch>
|
||||
<sRmem>1</sRmem>
|
||||
<sRfunc>1</sRfunc>
|
||||
<sRbox>1</sRbox>
|
||||
<tLdApp>1</tLdApp>
|
||||
<tGomain>1</tGomain>
|
||||
<tRbreak>1</tRbreak>
|
||||
<tRwatch>1</tRwatch>
|
||||
<tRmem>1</tRmem>
|
||||
<tRfunc>0</tRfunc>
|
||||
<tRbox>1</tRbox>
|
||||
<tRtrace>0</tRtrace>
|
||||
<sRSysVw>1</sRSysVw>
|
||||
<tRSysVw>1</tRSysVw>
|
||||
<sRunDeb>0</sRunDeb>
|
||||
<sLrtime>0</sLrtime>
|
||||
<bEvRecOn>1</bEvRecOn>
|
||||
<bSchkAxf>0</bSchkAxf>
|
||||
<bTchkAxf>0</bTchkAxf>
|
||||
<nTsel>0</nTsel>
|
||||
<sDll></sDll>
|
||||
<sDllPa></sDllPa>
|
||||
<sDlgDll></sDlgDll>
|
||||
<sDlgPa></sDlgPa>
|
||||
<sIfile>.\arm_convolution_example.ini</sIfile>
|
||||
<tDll></tDll>
|
||||
<tDllPa></tDllPa>
|
||||
<tDlgDll></tDlgDll>
|
||||
<tDlgPa></tDlgPa>
|
||||
<tIfile></tIfile>
|
||||
<pMon>BIN\UL2CM3.DLL</pMon>
|
||||
</DebugOpt>
|
||||
<TargetDriverDllRegistry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>PWSTATINFO</Key>
|
||||
<Name>200,50,700</Name>
|
||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>ARMRTXEVENTFLAGS</Key>
|
||||
<Name>-L70 -Z18 -C0 -M0 -T1</Name>
|
||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>UL2CM3</Key>
|
||||
<Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0NEW_DEVICE -FS00 -FL040000 -FP0($$Device:ARMCM3$Device\ARM\Flash\NEW_DEVICE.FLM))</Name>
|
||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>DLGDARM</Key>
|
||||
<Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)</Name>
|
||||
</SetRegEntry>
|
||||
<SetRegEntry>
|
||||
<Number>0</Number>
|
||||
<Key>ARMDBGFLAGS</Key>
|
||||
<Name>-T0</Name>
|
||||
</SetRegEntry>
|
||||
</TargetDriverDllRegistry>
|
||||
<Breakpoint>
|
||||
<Bp>
|
||||
<Number>0</Number>
|
||||
<Type>0</Type>
|
||||
<LineNumber>244</LineNumber>
|
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<EnabledFlag>1</EnabledFlag>
|
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<Address>2464</Address>
|
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<ByteObject>0</ByteObject>
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<HtxType>0</HtxType>
|
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<ManyObjects>0</ManyObjects>
|
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<SizeOfObject>0</SizeOfObject>
|
||||
<BreakByAccess>0</BreakByAccess>
|
||||
<BreakIfRCount>1</BreakIfRCount>
|
||||
<Filename>.\arm_convolution_example_f32.c</Filename>
|
||||
<ExecCommand></ExecCommand>
|
||||
<Expression>\\arm_convolution_example\arm_convolution_example_f32.c\244</Expression>
|
||||
</Bp>
|
||||
<Bp>
|
||||
<Number>1</Number>
|
||||
<Type>0</Type>
|
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<LineNumber>241</LineNumber>
|
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<EnabledFlag>1</EnabledFlag>
|
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<Address>2460</Address>
|
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<ByteObject>0</ByteObject>
|
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<HtxType>0</HtxType>
|
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<ManyObjects>0</ManyObjects>
|
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<SizeOfObject>0</SizeOfObject>
|
||||
<BreakByAccess>0</BreakByAccess>
|
||||
<BreakIfRCount>1</BreakIfRCount>
|
||||
<Filename>.\arm_convolution_example_f32.c</Filename>
|
||||
<ExecCommand></ExecCommand>
|
||||
<Expression>\\arm_convolution_example\arm_convolution_example_f32.c\241</Expression>
|
||||
</Bp>
|
||||
</Breakpoint>
|
||||
<Tracepoint>
|
||||
<THDelay>0</THDelay>
|
||||
</Tracepoint>
|
||||
<DebugFlag>
|
||||
<trace>0</trace>
|
||||
<periodic>0</periodic>
|
||||
<aLwin>1</aLwin>
|
||||
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||||
<FlashByte>65535</FlashByte>
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||||
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||||
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||||
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||||
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||||
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||||
<IsCurrentTarget>0</IsCurrentTarget>
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||||
<CpuCode>7</CpuCode>
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||||
<DebugOpt>
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|
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|
||||
</DebugFlag>
|
||||
<LintExecutable></LintExecutable>
|
||||
<LintConfigFile></LintConfigFile>
|
||||
<bLintAuto>0</bLintAuto>
|
||||
<bAutoGenD>0</bAutoGenD>
|
||||
<LntExFlags>0</LntExFlags>
|
||||
<pMisraName></pMisraName>
|
||||
<pszMrule></pszMrule>
|
||||
<pSingCmds></pSingCmds>
|
||||
<pMultCmds></pMultCmds>
|
||||
<pMisraNamep></pMisraNamep>
|
||||
<pszMrulep></pszMrulep>
|
||||
<pSingCmdsp></pSingCmdsp>
|
||||
<pMultCmdsp></pMultCmdsp>
|
||||
</TargetOption>
|
||||
</Target>
|
||||
|
||||
<Group>
|
||||
<GroupName>Source Files</GroupName>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<cbSel>0</cbSel>
|
||||
<RteFlg>0</RteFlg>
|
||||
<File>
|
||||
<GroupNumber>1</GroupNumber>
|
||||
<FileNumber>1</FileNumber>
|
||||
<FileType>1</FileType>
|
||||
<tvExp>0</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<bDave2>0</bDave2>
|
||||
<PathWithFileName>.\math_helper.c</PathWithFileName>
|
||||
<FilenameWithoutPath>math_helper.c</FilenameWithoutPath>
|
||||
<RteFlg>0</RteFlg>
|
||||
<bShared>0</bShared>
|
||||
</File>
|
||||
<File>
|
||||
<GroupNumber>1</GroupNumber>
|
||||
<FileNumber>2</FileNumber>
|
||||
<FileType>1</FileType>
|
||||
<tvExp>0</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<bDave2>0</bDave2>
|
||||
<PathWithFileName>.\arm_convolution_example_f32.c</PathWithFileName>
|
||||
<FilenameWithoutPath>arm_convolution_example_f32.c</FilenameWithoutPath>
|
||||
<RteFlg>0</RteFlg>
|
||||
<bShared>0</bShared>
|
||||
</File>
|
||||
</Group>
|
||||
|
||||
<Group>
|
||||
<GroupName>Documentation</GroupName>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<cbSel>0</cbSel>
|
||||
<RteFlg>0</RteFlg>
|
||||
<File>
|
||||
<GroupNumber>2</GroupNumber>
|
||||
<FileNumber>3</FileNumber>
|
||||
<FileType>5</FileType>
|
||||
<tvExp>0</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<bDave2>0</bDave2>
|
||||
<PathWithFileName>.\Abstract.txt</PathWithFileName>
|
||||
<FilenameWithoutPath>Abstract.txt</FilenameWithoutPath>
|
||||
<RteFlg>0</RteFlg>
|
||||
<bShared>0</bShared>
|
||||
</File>
|
||||
</Group>
|
||||
|
||||
<Group>
|
||||
<GroupName>::CMSIS</GroupName>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<cbSel>0</cbSel>
|
||||
<RteFlg>1</RteFlg>
|
||||
</Group>
|
||||
|
||||
<Group>
|
||||
<GroupName>::Device</GroupName>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<cbSel>0</cbSel>
|
||||
<RteFlg>1</RteFlg>
|
||||
</Group>
|
||||
|
||||
</ProjectOpt>
|
||||
File diff suppressed because it is too large
Load diff
|
|
@ -0,0 +1,247 @@
|
|||
/* ----------------------------------------------------------------------
|
||||
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
|
||||
*
|
||||
* $Date: 17. January 2013
|
||||
* $Revision: V1.4.0
|
||||
*
|
||||
* Project: CMSIS DSP Library
|
||||
* Title: arm_convolution_example_f32.c
|
||||
*
|
||||
* Description: Example code demonstrating Convolution of two input signals using fft.
|
||||
*
|
||||
* Target Processor: Cortex-M4/Cortex-M3
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* - Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* - 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.
|
||||
* - Neither the name of ARM LIMITED 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 OWNER 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.
|
||||
* -------------------------------------------------------------------- */
|
||||
|
||||
/**
|
||||
* @ingroup groupExamples
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup ConvolutionExample Convolution Example
|
||||
*
|
||||
* \par Description:
|
||||
* \par
|
||||
* Demonstrates the convolution theorem with the use of the Complex FFT, Complex-by-Complex
|
||||
* Multiplication, and Support Functions.
|
||||
*
|
||||
* \par Algorithm:
|
||||
* \par
|
||||
* The convolution theorem states that convolution in the time domain corresponds to
|
||||
* multiplication in the frequency domain. Therefore, the Fourier transform of the convoution of
|
||||
* two signals is equal to the product of their individual Fourier transforms.
|
||||
* The Fourier transform of a signal can be evaluated efficiently using the Fast Fourier Transform (FFT).
|
||||
* \par
|
||||
* Two input signals, <code>a[n]</code> and <code>b[n]</code>, with lengths \c n1 and \c n2 respectively,
|
||||
* are zero padded so that their lengths become \c N, which is greater than or equal to <code>(n1+n2-1)</code>
|
||||
* and is a power of 4 as FFT implementation is radix-4.
|
||||
* The convolution of <code>a[n]</code> and <code>b[n]</code> is obtained by taking the FFT of the input
|
||||
* signals, multiplying the Fourier transforms of the two signals, and taking the inverse FFT of
|
||||
* the multiplied result.
|
||||
* \par
|
||||
* This is denoted by the following equations:
|
||||
* <pre> A[k] = FFT(a[n],N)
|
||||
* B[k] = FFT(b[n],N)
|
||||
* conv(a[n], b[n]) = IFFT(A[k] * B[k], N)</pre>
|
||||
* where <code>A[k]</code> and <code>B[k]</code> are the N-point FFTs of the signals <code>a[n]</code>
|
||||
* and <code>b[n]</code> respectively.
|
||||
* The length of the convolved signal is <code>(n1+n2-1)</code>.
|
||||
*
|
||||
* \par Block Diagram:
|
||||
* \par
|
||||
* \image html Convolution.gif
|
||||
*
|
||||
* \par Variables Description:
|
||||
* \par
|
||||
* \li \c testInputA_f32 points to the first input sequence
|
||||
* \li \c srcALen length of the first input sequence
|
||||
* \li \c testInputB_f32 points to the second input sequence
|
||||
* \li \c srcBLen length of the second input sequence
|
||||
* \li \c outLen length of convolution output sequence, <code>(srcALen + srcBLen - 1)</code>
|
||||
* \li \c AxB points to the output array where the product of individual FFTs of inputs is stored.
|
||||
*
|
||||
* \par CMSIS DSP Software Library Functions Used:
|
||||
* \par
|
||||
* - arm_fill_f32()
|
||||
* - arm_copy_f32()
|
||||
* - arm_cfft_radix4_init_f32()
|
||||
* - arm_cfft_radix4_f32()
|
||||
* - arm_cmplx_mult_cmplx_f32()
|
||||
*
|
||||
* <b> Refer </b>
|
||||
* \link arm_convolution_example_f32.c \endlink
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
/** \example arm_convolution_example_f32.c
|
||||
*/
|
||||
|
||||
#include "arm_math.h"
|
||||
#include "math_helper.h"
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Defines each of the tests performed
|
||||
* ------------------------------------------------------------------- */
|
||||
#define MAX_BLOCKSIZE 128
|
||||
#define DELTA (0.000001f)
|
||||
#define SNR_THRESHOLD 90
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Declare I/O buffers
|
||||
* ------------------------------------------------------------------- */
|
||||
float32_t Ak[MAX_BLOCKSIZE]; /* Input A */
|
||||
float32_t Bk[MAX_BLOCKSIZE]; /* Input B */
|
||||
float32_t AxB[MAX_BLOCKSIZE * 2]; /* Output */
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Test input data for Floating point Convolution example for 32-blockSize
|
||||
* Generated by the MATLAB randn() function
|
||||
* ------------------------------------------------------------------- */
|
||||
float32_t testInputA_f32[64] =
|
||||
{
|
||||
-0.808920, 1.357369, 1.180861, -0.504544, 1.762637, -0.703285,
|
||||
1.696966, 0.620571, -0.151093, -0.100235, -0.872382, -0.403579,
|
||||
-0.860749, -0.382648, -1.052338, 0.128113, -0.646269, 1.093377,
|
||||
-2.209198, 0.471706, 0.408901, 1.266242, 0.598252, 1.176827,
|
||||
-0.203421, 0.213596, -0.851964, -0.466958, 0.021841, -0.698938,
|
||||
-0.604107, 0.461778, -0.318219, 0.942520, 0.577585, 0.417619,
|
||||
0.614665, 0.563679, -1.295073, -0.764437, 0.952194, -0.859222,
|
||||
-0.618554, -2.268542, -1.210592, 1.655853, -2.627219, -0.994249,
|
||||
-1.374704, 0.343799, 0.025619, 1.227481, -0.708031, 0.069355,
|
||||
-1.845228, -1.570886, 1.010668, -1.802084, 1.630088, 1.286090,
|
||||
-0.161050, -0.940794, 0.367961, 0.291907
|
||||
|
||||
};
|
||||
|
||||
float32_t testInputB_f32[64] =
|
||||
{
|
||||
0.933724, 0.046881, 1.316470, 0.438345, 0.332682, 2.094885,
|
||||
0.512081, 0.035546, 0.050894, -2.320371, 0.168711, -1.830493,
|
||||
-0.444834, -1.003242, -0.531494, -1.365600, -0.155420, -0.757692,
|
||||
-0.431880, -0.380021, 0.096243, -0.695835, 0.558850, -1.648962,
|
||||
0.020369, -0.363630, 0.887146, 0.845503, -0.252864, -0.330397,
|
||||
1.269131, -1.109295, -1.027876, 0.135940, 0.116721, -0.293399,
|
||||
-1.349799, 0.166078, -0.802201, 0.369367, -0.964568, -2.266011,
|
||||
0.465178, 0.651222, -0.325426, 0.320245, -0.784178, -0.579456,
|
||||
0.093374, 0.604778, -0.048225, 0.376297, -0.394412, 0.578182,
|
||||
-1.218141, -1.387326, 0.692462, -0.631297, 0.153137, -0.638952,
|
||||
0.635474, -0.970468, 1.334057, -0.111370
|
||||
};
|
||||
|
||||
const float testRefOutput_f32[127] =
|
||||
{
|
||||
-0.818943, 1.229484, -0.533664, 1.016604, 0.341875, -1.963656,
|
||||
5.171476, 3.478033, 7.616361, 6.648384, 0.479069, 1.792012,
|
||||
-1.295591, -7.447818, 0.315830, -10.657445, -2.483469, -6.524236,
|
||||
-7.380591, -3.739005, -8.388957, 0.184147, -1.554888, 3.786508,
|
||||
-1.684421, 5.400610, -1.578126, 7.403361, 8.315999, 2.080267,
|
||||
11.077776, 2.749673, 7.138962, 2.748762, 0.660363, 0.981552,
|
||||
1.442275, 0.552721, -2.576892, 4.703989, 0.989156, 8.759344,
|
||||
-0.564825, -3.994680, 0.954710, -5.014144, 6.592329, 1.599488,
|
||||
-13.979146, -0.391891, -4.453369, -2.311242, -2.948764, 1.761415,
|
||||
-0.138322, 10.433007, -2.309103, 4.297153, 8.535523, 3.209462,
|
||||
8.695819, 5.569919, 2.514304, 5.582029, 2.060199, 0.642280,
|
||||
7.024616, 1.686615, -6.481756, 1.343084, -3.526451, 1.099073,
|
||||
-2.965764, -0.173723, -4.111484, 6.528384, -6.965658, 1.726291,
|
||||
1.535172, 11.023435, 2.338401, -4.690188, 1.298210, 3.943885,
|
||||
8.407885, 5.168365, 0.684131, 1.559181, 1.859998, 2.852417,
|
||||
8.574070, -6.369078, 6.023458, 11.837963, -6.027632, 4.469678,
|
||||
-6.799093, -2.674048, 6.250367, -6.809971, -3.459360, 9.112410,
|
||||
-2.711621, -1.336678, 1.564249, -1.564297, -1.296760, 8.904013,
|
||||
-3.230109, 6.878013, -7.819823, 3.369909, -1.657410, -2.007358,
|
||||
-4.112825, 1.370685, -3.420525, -6.276605, 3.244873, -3.352638,
|
||||
1.545372, 0.902211, 0.197489, -1.408732, 0.523390, 0.348440, 0
|
||||
};
|
||||
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Declare Global variables
|
||||
* ------------------------------------------------------------------- */
|
||||
uint32_t srcALen = 64; /* Length of Input A */
|
||||
uint32_t srcBLen = 64; /* Length of Input B */
|
||||
uint32_t outLen; /* Length of convolution output */
|
||||
float32_t snr; /* output SNR */
|
||||
|
||||
int32_t main(void)
|
||||
{
|
||||
arm_status status; /* Status of the example */
|
||||
arm_cfft_radix4_instance_f32 cfft_instance; /* CFFT Structure instance */
|
||||
|
||||
/* CFFT Structure instance pointer */
|
||||
arm_cfft_radix4_instance_f32 *cfft_instance_ptr =
|
||||
(arm_cfft_radix4_instance_f32*) &cfft_instance;
|
||||
|
||||
/* output length of convolution */
|
||||
outLen = srcALen + srcBLen - 1;
|
||||
|
||||
/* Initialise the fft input buffers with all zeros */
|
||||
arm_fill_f32(0.0, Ak, MAX_BLOCKSIZE);
|
||||
arm_fill_f32(0.0, Bk, MAX_BLOCKSIZE);
|
||||
|
||||
/* Copy the input values to the fft input buffers */
|
||||
arm_copy_f32(testInputA_f32, Ak, MAX_BLOCKSIZE/2);
|
||||
arm_copy_f32(testInputB_f32, Bk, MAX_BLOCKSIZE/2);
|
||||
|
||||
/* Initialize the CFFT function to compute 64 point fft */
|
||||
status = arm_cfft_radix4_init_f32(cfft_instance_ptr, 64, 0, 1);
|
||||
|
||||
/* Transform input a[n] from time domain to frequency domain A[k] */
|
||||
arm_cfft_radix4_f32(cfft_instance_ptr, Ak);
|
||||
/* Transform input b[n] from time domain to frequency domain B[k] */
|
||||
arm_cfft_radix4_f32(cfft_instance_ptr, Bk);
|
||||
|
||||
/* Complex Multiplication of the two input buffers in frequency domain */
|
||||
arm_cmplx_mult_cmplx_f32(Ak, Bk, AxB, MAX_BLOCKSIZE/2);
|
||||
|
||||
/* Initialize the CIFFT function to compute 64 point ifft */
|
||||
status = arm_cfft_radix4_init_f32(cfft_instance_ptr, 64, 1, 1);
|
||||
|
||||
/* Transform the multiplication output from frequency domain to time domain,
|
||||
that gives the convolved output */
|
||||
arm_cfft_radix4_f32(cfft_instance_ptr, AxB);
|
||||
|
||||
/* SNR Calculation */
|
||||
snr = arm_snr_f32((float32_t *)testRefOutput_f32, AxB, srcALen + srcBLen - 1);
|
||||
|
||||
/* Compare the SNR with threshold to test whether the
|
||||
computed output is matched with the reference output values. */
|
||||
if ( snr > SNR_THRESHOLD)
|
||||
{
|
||||
status = ARM_MATH_SUCCESS;
|
||||
}
|
||||
|
||||
if ( status != ARM_MATH_SUCCESS)
|
||||
{
|
||||
while (1);
|
||||
}
|
||||
|
||||
while (1); /* main function does not return */
|
||||
}
|
||||
|
||||
/** \endlink */
|
||||
466
DSP/Examples/ARM/arm_convolution_example/math_helper.c
Normal file
466
DSP/Examples/ARM/arm_convolution_example/math_helper.c
Normal file
|
|
@ -0,0 +1,466 @@
|
|||
/* ----------------------------------------------------------------------
|
||||
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
|
||||
*
|
||||
* $Date: 17. January 2013
|
||||
* $Revision: V1.4.0 b
|
||||
*
|
||||
* Project: CMSIS DSP Library
|
||||
*
|
||||
* Title: math_helper.c
|
||||
*
|
||||
* Description: Definition of all helper functions required.
|
||||
*
|
||||
* Target Processor: Cortex-M4/Cortex-M3
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* - Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* - 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.
|
||||
* - Neither the name of ARM LIMITED 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 OWNER 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 standard header files
|
||||
* -------------------------------------------------------------------- */
|
||||
#include<math.h>
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Include project header files
|
||||
* -------------------------------------------------------------------- */
|
||||
#include "math_helper.h"
|
||||
|
||||
/**
|
||||
* @brief Caluclation of SNR
|
||||
* @param[in] pRef Pointer to the reference buffer
|
||||
* @param[in] pTest Pointer to the test buffer
|
||||
* @param[in] buffSize total number of samples
|
||||
* @return SNR
|
||||
* The function Caluclates signal to noise ratio for the reference output
|
||||
* and test output
|
||||
*/
|
||||
|
||||
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize)
|
||||
{
|
||||
float EnergySignal = 0.0, EnergyError = 0.0;
|
||||
uint32_t i;
|
||||
float SNR;
|
||||
int temp;
|
||||
int *test;
|
||||
|
||||
for (i = 0; i < buffSize; i++)
|
||||
{
|
||||
/* Checking for a NAN value in pRef array */
|
||||
test = (int *)(&pRef[i]);
|
||||
temp = *test;
|
||||
|
||||
if (temp == 0x7FC00000)
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
|
||||
/* Checking for a NAN value in pTest array */
|
||||
test = (int *)(&pTest[i]);
|
||||
temp = *test;
|
||||
|
||||
if (temp == 0x7FC00000)
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
EnergySignal += pRef[i] * pRef[i];
|
||||
EnergyError += (pRef[i] - pTest[i]) * (pRef[i] - pTest[i]);
|
||||
}
|
||||
|
||||
/* Checking for a NAN value in EnergyError */
|
||||
test = (int *)(&EnergyError);
|
||||
temp = *test;
|
||||
|
||||
if (temp == 0x7FC00000)
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
|
||||
|
||||
SNR = 10 * log10 (EnergySignal / EnergyError);
|
||||
|
||||
return (SNR);
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Provide guard bits for Input buffer
|
||||
* @param[in,out] input_buf Pointer to input buffer
|
||||
* @param[in] blockSize block Size
|
||||
* @param[in] guard_bits guard bits
|
||||
* @return none
|
||||
* The function Provides the guard bits for the buffer
|
||||
* to avoid overflow
|
||||
*/
|
||||
|
||||
void arm_provide_guard_bits_q15 (q15_t * input_buf, uint32_t blockSize,
|
||||
uint32_t guard_bits)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < blockSize; i++)
|
||||
{
|
||||
input_buf[i] = input_buf[i] >> guard_bits;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Converts float to fixed in q12.20 format
|
||||
* @param[in] pIn pointer to input buffer
|
||||
* @param[out] pOut pointer to outputbuffer
|
||||
* @param[in] numSamples number of samples in the input buffer
|
||||
* @return none
|
||||
* The function converts floating point values to fixed point(q12.20) values
|
||||
*/
|
||||
|
||||
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
/* 1048576.0f corresponds to pow(2, 20) */
|
||||
pOut[i] = (q31_t) (pIn[i] * 1048576.0f);
|
||||
|
||||
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
|
||||
|
||||
if (pIn[i] == (float) 1.0)
|
||||
{
|
||||
pOut[i] = 0x000FFFFF;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Compare MATLAB Reference Output and ARM Test output
|
||||
* @param[in] pIn Pointer to Ref buffer
|
||||
* @param[in] pOut Pointer to Test buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return maximum difference
|
||||
*/
|
||||
|
||||
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t *pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
int32_t diff, diffCrnt = 0;
|
||||
uint32_t maxDiff = 0;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
diff = pIn[i] - pOut[i];
|
||||
diffCrnt = (diff > 0) ? diff : -diff;
|
||||
|
||||
if (diffCrnt > maxDiff)
|
||||
{
|
||||
maxDiff = diffCrnt;
|
||||
}
|
||||
}
|
||||
|
||||
return(maxDiff);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Compare MATLAB Reference Output and ARM Test output
|
||||
* @param[in] pIn Pointer to Ref buffer
|
||||
* @param[in] pOut Pointer to Test buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return maximum difference
|
||||
*/
|
||||
|
||||
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t * pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
int32_t diff, diffCrnt = 0;
|
||||
uint32_t maxDiff = 0;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
diff = pIn[i] - pOut[i];
|
||||
diffCrnt = (diff > 0) ? diff : -diff;
|
||||
|
||||
if (diffCrnt > maxDiff)
|
||||
{
|
||||
maxDiff = diffCrnt;
|
||||
}
|
||||
}
|
||||
|
||||
return(maxDiff);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Provide guard bits for Input buffer
|
||||
* @param[in,out] input_buf Pointer to input buffer
|
||||
* @param[in] blockSize block Size
|
||||
* @param[in] guard_bits guard bits
|
||||
* @return none
|
||||
* The function Provides the guard bits for the buffer
|
||||
* to avoid overflow
|
||||
*/
|
||||
|
||||
void arm_provide_guard_bits_q31 (q31_t * input_buf,
|
||||
uint32_t blockSize,
|
||||
uint32_t guard_bits)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < blockSize; i++)
|
||||
{
|
||||
input_buf[i] = input_buf[i] >> guard_bits;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Provide guard bits for Input buffer
|
||||
* @param[in,out] input_buf Pointer to input buffer
|
||||
* @param[in] blockSize block Size
|
||||
* @param[in] guard_bits guard bits
|
||||
* @return none
|
||||
* The function Provides the guard bits for the buffer
|
||||
* to avoid overflow
|
||||
*/
|
||||
|
||||
void arm_provide_guard_bits_q7 (q7_t * input_buf,
|
||||
uint32_t blockSize,
|
||||
uint32_t guard_bits)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < blockSize; i++)
|
||||
{
|
||||
input_buf[i] = input_buf[i] >> guard_bits;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* @brief Caluclates number of guard bits
|
||||
* @param[in] num_adds number of additions
|
||||
* @return guard bits
|
||||
* The function Caluclates the number of guard bits
|
||||
* depending on the numtaps
|
||||
*/
|
||||
|
||||
uint32_t arm_calc_guard_bits (uint32_t num_adds)
|
||||
{
|
||||
uint32_t i = 1, j = 0;
|
||||
|
||||
if (num_adds == 1)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
while (i < num_adds)
|
||||
{
|
||||
i = i * 2;
|
||||
j++;
|
||||
}
|
||||
|
||||
return (j);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Apply guard bits to buffer
|
||||
* @param[in,out] pIn pointer to input buffer
|
||||
* @param[in] numSamples number of samples in the input buffer
|
||||
* @param[in] guard_bits guard bits
|
||||
* @return none
|
||||
*/
|
||||
|
||||
void arm_apply_guard_bits (float32_t *pIn,
|
||||
uint32_t numSamples,
|
||||
uint32_t guard_bits)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
pIn[i] = pIn[i] * arm_calc_2pow(guard_bits);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Calculates pow(2, numShifts)
|
||||
* @param[in] numShifts number of shifts
|
||||
* @return pow(2, numShifts)
|
||||
*/
|
||||
uint32_t arm_calc_2pow(uint32_t numShifts)
|
||||
{
|
||||
|
||||
uint32_t i, val = 1;
|
||||
|
||||
for (i = 0; i < numShifts; i++)
|
||||
{
|
||||
val = val * 2;
|
||||
}
|
||||
|
||||
return(val);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* @brief Converts float to fixed q14
|
||||
* @param[in] pIn pointer to input buffer
|
||||
* @param[out] pOut pointer to output buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return none
|
||||
* The function converts floating point values to fixed point values
|
||||
*/
|
||||
|
||||
void arm_float_to_q14 (float *pIn, q15_t *pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
/* 16384.0f corresponds to pow(2, 14) */
|
||||
pOut[i] = (q15_t) (pIn[i] * 16384.0f);
|
||||
|
||||
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
|
||||
|
||||
if (pIn[i] == (float) 2.0)
|
||||
{
|
||||
pOut[i] = 0x7FFF;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Converts float to fixed q30 format
|
||||
* @param[in] pIn pointer to input buffer
|
||||
* @param[out] pOut pointer to output buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return none
|
||||
* The function converts floating point values to fixed point values
|
||||
*/
|
||||
|
||||
void arm_float_to_q30 (float *pIn, q31_t * pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
/* 1073741824.0f corresponds to pow(2, 30) */
|
||||
pOut[i] = (q31_t) (pIn[i] * 1073741824.0f);
|
||||
|
||||
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
|
||||
|
||||
if (pIn[i] == (float) 2.0)
|
||||
{
|
||||
pOut[i] = 0x7FFFFFFF;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Converts float to fixed q30 format
|
||||
* @param[in] pIn pointer to input buffer
|
||||
* @param[out] pOut pointer to output buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return none
|
||||
* The function converts floating point values to fixed point values
|
||||
*/
|
||||
|
||||
void arm_float_to_q29 (float *pIn, q31_t *pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
/* 1073741824.0f corresponds to pow(2, 30) */
|
||||
pOut[i] = (q31_t) (pIn[i] * 536870912.0f);
|
||||
|
||||
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
|
||||
|
||||
if (pIn[i] == (float) 4.0)
|
||||
{
|
||||
pOut[i] = 0x7FFFFFFF;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Converts float to fixed q28 format
|
||||
* @param[in] pIn pointer to input buffer
|
||||
* @param[out] pOut pointer to output buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return none
|
||||
* The function converts floating point values to fixed point values
|
||||
*/
|
||||
|
||||
void arm_float_to_q28 (float *pIn, q31_t *pOut, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
/* 268435456.0f corresponds to pow(2, 28) */
|
||||
pOut[i] = (q31_t) (pIn[i] * 268435456.0f);
|
||||
|
||||
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
|
||||
|
||||
if (pIn[i] == (float) 8.0)
|
||||
{
|
||||
pOut[i] = 0x7FFFFFFF;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Clip the float values to +/- 1
|
||||
* @param[in,out] pIn input buffer
|
||||
* @param[in] numSamples number of samples in the buffer
|
||||
* @return none
|
||||
* The function converts floating point values to fixed point values
|
||||
*/
|
||||
|
||||
void arm_clip_f32 (float *pIn, uint32_t numSamples)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < numSamples; i++)
|
||||
{
|
||||
if (pIn[i] > 1.0f)
|
||||
{
|
||||
pIn[i] = 1.0;
|
||||
}
|
||||
else if ( pIn[i] < -1.0f)
|
||||
{
|
||||
pIn[i] = -1.0;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
63
DSP/Examples/ARM/arm_convolution_example/math_helper.h
Normal file
63
DSP/Examples/ARM/arm_convolution_example/math_helper.h
Normal file
|
|
@ -0,0 +1,63 @@
|
|||
/* ----------------------------------------------------------------------
|
||||
* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
|
||||
*
|
||||
* $Date: 17. January 2013
|
||||
* $Revision: V1.4.0
|
||||
*
|
||||
* Project: CMSIS DSP Library
|
||||
*
|
||||
* Title: math_helper.h
|
||||
*
|
||||
* Description: Prototypes of all helper functions required.
|
||||
*
|
||||
* Target Processor: Cortex-M4/Cortex-M3
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* - Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* - 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.
|
||||
* - Neither the name of ARM LIMITED 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 OWNER 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 "arm_math.h"
|
||||
|
||||
#ifndef MATH_HELPER_H
|
||||
#define MATH_HELPER_H
|
||||
|
||||
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize);
|
||||
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
|
||||
void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
|
||||
void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
|
||||
void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
|
||||
void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
|
||||
void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
|
||||
void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
|
||||
void arm_clip_f32(float *pIn, uint32_t numSamples);
|
||||
uint32_t arm_calc_guard_bits(uint32_t num_adds);
|
||||
void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
|
||||
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
|
||||
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
|
||||
uint32_t arm_calc_2pow(uint32_t guard_bits);
|
||||
#endif
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue