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-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/Abstract.txt4
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_data.c134
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.ini15
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvoptx908
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvprojx1781
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example_q31.c411
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.c466
-rw-r--r--DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.h63
8 files changed, 3782 insertions, 0 deletions
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/Abstract.txt b/DSP/Examples/ARM/arm_graphic_equalizer_example/Abstract.txt
new file mode 100644
index 0000000..91f8991
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/Abstract.txt
@@ -0,0 +1,4 @@
+CMSIS DSP_Lib example arm_graphic_equalizer_example for
+ Cortex-M0, Cortex-M3, Cortex-M4 with FPU and Cortex-M7 with single precision FPU.
+
+The example is configured for uVision Simulator.
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_data.c b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_data.c
new file mode 100644
index 0000000..ffb0ff3
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_data.c
@@ -0,0 +1,134 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.0
+*
+* Project: CMSIS DSP Library
+* Title: arm_graphic_equalizer_data.c
+*
+* Description: Data file used for example code
+*
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*
+* 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"
+
+float32_t testRefOutput_f32[320] = {
+
+0.000000000000000000, 0.001898396760225296, 0.004215449094772339, 0.007432077080011368, 0.010948467999696732, 0.015026375651359558, 0.019191544502973557, 0.023574527353048325,
+0.027919445186853409, 0.032277785241603851, 0.036551639437675476, 0.040732793509960175, 0.044799156486988068, 0.048710610717535019, 0.052476800978183746, 0.056059073656797409,
+0.059482168406248093, 0.062726479023694992, 0.065821025520563126, 0.068763464689254761, 0.071577839553356171, 0.074270240962505341, 0.076856281608343124, 0.079344697296619415,
+0.081745062023401260, 0.084067162126302719, 0.086318407207727432, 0.088509257882833481, 0.090647127479314804, 0.092742368578910828, 0.094802625477313995, 0.096837285906076431,
+0.098853722214698792, 0.100859899073839190, 0.102862443774938580, 0.104867763817310330, 0.106881409883499150, 0.108908228576183320, 0.110952425748109820, 0.113017357885837550,
+0.115105822682380680, 0.117219865322113040, 0.119361080229282380, 0.121530555188655850, 0.123729091137647630, 0.125957202166318890, 0.128215309232473370, 0.130503740161657330,
+0.132822841405868530, 0.135173004120588300, 0.137554679065942760, 0.139968376606702800, 0.142414685338735580, 0.144894234836101530, 0.147407654672861100, 0.149955596774816510,
+0.152538605034351350, 0.155157200992107390, 0.157811731100082400, 0.160502441227436070, 0.163229387253522870, 0.165992442518472670, 0.168791320174932480, 0.171625509858131410,
+0.174494370818138120, 0.177397061139345170, 0.180332608520984650, 0.183299910277128220, 0.186297744512557980, 0.189324837177991870, 0.192379791289567950, 0.195461250841617580,
+0.198567759245634080, 0.201697919517755510, 0.204850304871797560, 0.208023533225059510, 0.211216274648904800, 0.214427210390567780, 0.217655111104249950, 0.220898788422346120,
+0.224157124757766720, 0.227429077029228210, 0.230713658034801480, 0.234009962528944020, 0.237317133694887160, 0.240634419023990630, 0.243961080908775330, 0.247296508401632310,
+0.250640105456113820, 0.253991369158029560, 0.257349837571382520, 0.260715119540691380, 0.264086868613958360, 0.267464816570281980, 0.270848698914051060, 0.274238351732492450,
+0.277633611112833020, 0.281034380197525020, 0.284440591931343080, 0.287852220237255100, 0.291269283741712570, 0.294691801071166990, 0.298119872808456420, 0.301553562283515930,
+0.304993014782667160, 0.308438356965780260, 0.311889752745628360, 0.315347377210855480, 0.318811416625976560, 0.322282072156667710, 0.325759567320346830, 0.329244095832109450,
+0.332735907286405560, 0.336235217750072480, 0.339742250740528110, 0.343257248401641850, 0.346780419349670410, 0.350311983376741410, 0.353852160274982450, 0.357401121407747270,
+0.360959105193614960, 0.364526227116584780, 0.368102725595235820, 0.371688675135374070, 0.375284302979707720, 0.378889638930559160, 0.382504884153604510, 0.386130042374134060,
+0.389765247702598570, 0.393410529941320420, 0.397065933793783190, 0.400731507688760760, 0.404407206922769550, 0.408093083649873730, 0.411789052188396450, 0.415495119988918300,
+0.419211201369762420, 0.422937240451574330, 0.426673140376806260, 0.430418811738491060, 0.434174135327339170, 0.437938995659351350, 0.441713258624076840, 0.445496778935194020,
+0.449289388954639430, 0.453090950846672060, 0.456901267170906070, 0.460720170289278030, 0.464547459036111830, 0.468382950872182850, 0.472226426005363460, 0.476077698171138760,
+0.479936532676219940, 0.483802750706672670, 0.487676106393337250, 0.491556398570537570, 0.495443399995565410, 0.499336875975131990, 0.503236617892980580, 0.507142387330532070,
+0.511053957045078280, 0.514971107244491580, 0.518893606960773470, 0.522821225225925450, 0.526753749698400500, 0.530690938234329220, 0.534632585942745210, 0.538578454405069350,
+0.542528338730335240, 0.546481993049383160, 0.550439231097698210, 0.554399792104959490, 0.558363504707813260, 0.562330115586519240, 0.566299438476562500, 0.570271246135234830,
+0.574245333671569820, 0.578221492469310760, 0.582199502736330030, 0.586179181933403020, 0.590160276740789410, 0.594142623245716090, 0.598125983029603960, 0.602110169827938080,
+0.606094967573881150, 0.610080175101757050, 0.614065583795309070, 0.618050977587699890, 0.622036151587963100, 0.626020893454551700, 0.630004994571208950, 0.633988231420516970,
+0.637970402836799620, 0.641951277852058410, 0.645930647850036620, 0.649908289313316350, 0.653883971273899080, 0.657857488840818410, 0.661828581243753430, 0.665797054767608640,
+0.669762641191482540, 0.673725124448537830, 0.677684243768453600, 0.681639779359102250, 0.685591462999582290, 0.689539063721895220, 0.693482317030429840, 0.697420965880155560,
+0.701354760676622390, 0.705283410847187040, 0.709206689149141310, 0.713124278932809830, 0.717035952955484390, 0.720941375941038130, 0.724840316921472550, 0.728732451796531680,
+0.732617516070604320, 0.736495196819305420, 0.740365199744701390, 0.744227230548858640, 0.748080968856811520, 0.751926124095916750, 0.755762357264757160, 0.759589381515979770,
+0.763406842947006230, 0.767214450985193250, 0.771011855453252790, 0.774798732250928880, 0.778574761003255840, 0.782339565455913540, 0.786092851310968400, 0.789834223687648770,
+0.793563373386859890, 0.797279909253120420, 0.800983514636754990, 0.804673787206411360, 0.808350402861833570, 0.812012966722249980, 0.815661124885082240, 0.819294504821300510,
+0.822912722826004030, 0.826515413820743560, 0.830102190375328060, 0.833672653883695600, 0.837226435542106630, 0.840763118118047710, 0.844282336533069610, 0.847783654928207400,
+0.851266715675592420, 0.854731071740388870, 0.858176350593566890, 0.861602116376161580, 0.865007970482110980, 0.868393491953611370, 0.871758259832859040, 0.875101849436759950,
+0.878423850983381270, 0.881723806262016300, 0.885001312941312790, 0.888255912810564040, 0.891487173736095430, 0.894694659858942030, 0.897877920418977740, 0.901036512106657030,
+0.904169965535402300, 0.907277844846248630, 0.910359673202037810, 0.913415014743804930, 0.916443370282649990, 0.919444311410188670, 0.922417331486940380, 0.925361987203359600,
+0.928277771919965740, 0.931164238601922990, 0.934020876884460450, 0.936847217381000520, 0.939642757177352910, 0.942407000809907910, 0.945139460265636440, 0.947839632630348210,
+0.950507018715143200, 0.953141096979379650, 0.955741371959447860, 0.958307322114706040, 0.960838429629802700, 0.963334184139966960, 0.965794049203395840, 0.968217510730028150,
+0.970604017376899720, 0.972953058779239650, 0.975264083594083790, 0.977536566555500030, 0.979769956320524220, 0.981963708996772770, 0.984117280691862110, 0.986230112612247470,
+0.988301653414964680, 0.990331344306468960, 0.992318630218505860, 0.994262944906950000, 0.996163722127676010, 0.998020399361848830, 0.999832402914762500, 1.001599155366420700,
+1.003320086747407900, 1.004994612187147100, 1.006622135639190700, 1.008202098309993700, 1.009733878076076500, 1.011216927319765100, 1.012650609016418500, 1.014034371823072400,
+1.015367589890956900, 1.016649682074785200, 1.017880033701658200, 1.019058048725128200, 1.020183108747005500, 1.021254621446132700, 1.022271949797868700, 1.023234523832798000,
+
+};
+/* ----------------------------------------------------------------------
+** Test input - logarithmic chirp signal
+** ------------------------------------------------------------------- */
+
+float32_t testInput_f32[320] =
+ {
+ 0.000000000000000061, 0.002622410992047861, 0.005253663973466970, 0.007893770384930297, 0.010542741395035495, 0.013200587895525877, 0.015867320496454066, 0.018542949521290073,
+0.021227485001971542, 0.023920936673895138, 0.026623313970853074, 0.029334626019908643, 0.032054881636210709, 0.034784089317753723, 0.037522257240071598, 0.040269393250875855,
+0.043025504864628375, 0.045790599257054837, 0.048564683259595690, 0.051347763353792118, 0.054139845665610427, 0.056940935959702531, 0.059751039633601337, 0.062570161711849828,
+0.065398306840066575, 0.068235479278943648, 0.071081682898178900, 0.073936921170339814, 0.076801197164660218, 0.079674513540768196, 0.082556872542344922, 0.085448275990715375,
+0.088348725278367082, 0.091258221362398390, 0.094176764757897533, 0.097104355531246703, 0.100040993293358240, 0.102986677192832010, 0.105941405909045980, 0.108905177645166230,
+0.111877990121087980, 0.114859840566297130, 0.117850725712659680, 0.120850641787131110, 0.123859584504392860, 0.126877549059407400, 0.129904530119898690, 0.132940521818751430,
+0.135985517746334080, 0.139039510942737950, 0.142102493889940090, 0.145174458503884160, 0.148255396126476810, 0.151345297517508140, 0.154444152846483080, 0.157551951684374300,
+0.160668682995289720, 0.163794335128054890, 0.166928895807713030, 0.170072352126936720, 0.173224690537355760, 0.176385896840798810, 0.179555956180445340, 0.182734853031894270,
+0.185922571194139130, 0.189119093780459800, 0.192324403209221870, 0.195538481194587030, 0.198761308737133020, 0.201992866114384050, 0.205233132871247170, 0.208482087810360570,
+0.211739708982344370, 0.215005973675965020, 0.218280858408200220, 0.221564338914212730, 0.224856390137231970, 0.228156986218334190, 0.231466100486134670, 0.234783705446379690,
+0.238109772771442410, 0.241444273289723230, 0.244787176974952890, 0.248138452935395580, 0.251498069402956710, 0.254865993722190930, 0.258242192339209860, 0.261626630790492030,
+0.265019273691591620, 0.268420084725748410, 0.271829026632395280, 0.275246061195565440, 0.278671149232197430, 0.282104250580339830, 0.285545324087251580, 0.288994327597401960,
+0.292451217940364990, 0.295915950918612280, 0.299388481295203350, 0.302868762781368150, 0.306356748023990040, 0.309852388592980640, 0.313355634968552230, 0.316866436528383590,
+0.320384741534681720, 0.323910497121136620, 0.327443649279772870, 0.330984142847692230, 0.334531921493712690, 0.338086927704900790, 0.341649102772995210, 0.345218386780727190,
+0.348794718588032520, 0.352378035818156910, 0.355968274843654950, 0.359565370772282730, 0.363169257432780890, 0.366779867360555120, 0.370397131783246010, 0.374020980606193880,
+0.377651342397795690, 0.381288144374756830, 0.384931312387234990, 0.388580770903877330, 0.392236442996751310, 0.395898250326170650, 0.399566113125414350, 0.403239950185338420,
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+0.436559191828633180, 0.440287976447505720, 0.444021742320914510, 0.447760389692375140, 0.451503817153472210, 0.455251921627031540, 0.459004598350192470, 0.462761740857380200,
+0.466523240963184150, 0.470288988745136360, 0.474058872526396560, 0.477832778858340690, 0.481610592503056990, 0.485392196415748600, 0.489177471727042850, 0.492966297725213780,
+0.496758551838309250, 0.500554109616195060, 0.504352844712508190, 0.508154628866524960, 0.511959331884944910, 0.515766821623591440, 0.519576963969030530, 0.523389622820107150,
+0.527204660069405030, 0.531021935584629400, 0.534841307189911630, 0.538662630647041900, 0.542485759636628150, 0.546310545739186690, 0.550136838416161340, 0.553964484990880020,
+0.557793330629441700, 0.561623218321546380, 0.565453988861259300, 0.569285480827721570, 0.573117530565801950, 0.576949972166696630, 0.580782637448476910, 0.584615355936589420,
+0.588447954844309340, 0.592280259053150400, 0.596112091093235260, 0.599943271123626440, 0.603773616912622660, 0.607602943818024150, 0.611431064767369080, 0.615257790238142090,
+0.619082928237961740, 0.622906284284749700, 0.626727661386881850, 0.630546860023327600, 0.634363678123782030, 0.638177911048790960, 0.641989351569874020, 0.645797789849653410,
+0.649603013421986450, 0.653404807172108140, 0.657202953316791350, 0.660997231384523490, 0.664787418195706640, 0.668573287842887610, 0.672354611671016960, 0.676131158257749170,
+0.679902693393781730, 0.683668980063242500, 0.687429778424128110, 0.691184845788802130, 0.694933936604551380, 0.698676802434213370, 0.702413191936877570, 0.706142850848662460,
+0.709865521963579990, 0.713580945114492330, 0.717288857154159800, 0.720988991936399870, 0.724681080297347790, 0.728364850036839040, 0.732040025899910680, 0.735706329558433620,
+0.739363479592880620, 0.743011191474238440, 0.746649177546067850, 0.750277147006723990, 0.753894805891742180, 0.757501857056394940, 0.761098000158428880, 0.764682931640995540,
+0.768256344715771980, 0.771817929346292900, 0.775367372231492210, 0.778904356789468790, 0.782428563141483460, 0.785939668096195860, 0.789437345134148760, 0.792921264392515420,
+0.796391092650110770, 0.799846493312681210, 0.803287126398485760, 0.806712648524170680, 0.810122712890953390, 0.813516969271127150, 0.816895063994893090, 0.820256639937531280,
+0.823601336506926020, 0.826928789631450890, 0.830238631748229430, 0.833530491791779850, 0.836803995183058700, 0.840058763818912760, 0.843294416061954100, 0.846510566730867220,
+0.849706827091166740, 0.852882804846411770, 0.856038104129895340, 0.859172325496819990, 0.862285065916973510, 0.865375918767918860, 0.868444473828712590, 0.871490317274166260,
+0.874513031669661770, 0.877512195966544280, 0.880487385498096800, 0.883438171976119850, 0.886364123488128100, 0.889264804495180530, 0.892139775830360640, 0.894988594697921020,
+0.897810814673113080, 0.900605985702712770, 0.903373654106265470, 0.906113362578062300, 0.908824650189867690, 0.911507052394417540, 0.914160101029702910, 0.916783324324059180,
+0.919376246902079860, 0.921938389791372770, 0.924469270430179120, 0.926968402675872660, 0.929435296814361430, 0.931869459570409790, 0.934270394118903560, 0.936637600097074200,
+0.938970573617708970, 0.941268807283364040, 0.943531790201601380, 0.945759008001275100, 0.947949942849885320, 0.950104073472023970, 0.952220875168933280, 0.954299819839202090,
+0.956340376000621160, 0.958342008813221960, 0.960304180103520260, 0.962226348389994210, 0.964107968909812760, 0.965948493646846980, 0.967747371360983650, 0.969504047618768740,
+0.971217964825405680, 0.972888562258134030, 0.974515276101013520, 0.976097539481141750, 0.977634782506330400, 0.979126432304266880, 0.980571913063189360, 0.981970646074102120,
+0.983322049774557390, 0.984625539794035220, 0.985880529000944810, 0.987086427551279730, 0.988242642938953360, 0.989348580047844540, 0.990403641205582440, 0.991407226239099710,
+0.992358732531984260, 0.993257555083659870, 0.994103086570423680, 0.994894717408374870, 0.995631835818261310, 0.996313827892278070, 0.996940077662846650, 0.997509967173408010,
+
+ };
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.ini b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.ini
new file mode 100644
index 0000000..b1c66aa
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.ini
@@ -0,0 +1,15 @@
+
+/* This file demonstrates how to Map memory ranges, specify read, write, and execute permissions
+
+ The file can be executed in the following way:
+ 1) manually from uVision command window (in debug mode) using command:
+ INCLUIDE arm_geq_5band_example.ini
+
+*/
+
+
+// usual initialisation for target setup
+MAP 0x00000000, 0x0003FFFF EXEC READ // 256K Flash
+MAP 0x20000000, 0x20007FFF READ WRITE // 32K RAM
+
+
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvoptx b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvoptx
new file mode 100644
index 0000000..ef2e829
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvoptx
@@ -0,0 +1,908 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_optx.xsd">
+
+ <SchemaVersion>1.0</SchemaVersion>
+
+ <Header>### uVision Project, (C) Keil Software</Header>
+
+ <Extensions>
+ <cExt>*.c</cExt>
+ <aExt>*.s*; *.src; *.a*</aExt>
+ <oExt>*.obj</oExt>
+ <lExt>*.lib</lExt>
+ <tExt>*.txt; *.h; *.inc</tExt>
+ <pExt>*.plm</pExt>
+ <CppX>*.cpp</CppX>
+ <nMigrate>0</nMigrate>
+ </Extensions>
+
+ <DaveTm>
+ <dwLowDateTime>0</dwLowDateTime>
+ <dwHighDateTime>0</dwHighDateTime>
+ </DaveTm>
+
+ <Target>
+ <TargetName>ARMCM0</TargetName>
+ <ToolsetNumber>0x4</ToolsetNumber>
+ <ToolsetName>ARM-ADS</ToolsetName>
+ <TargetOption>
+ <CLKADS>10000000</CLKADS>
+ <OPTTT>
+ <gFlags>1</gFlags>
+ <BeepAtEnd>1</BeepAtEnd>
+ <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>
+ </OPTHX>
+ <OPTLEX>
+ <PageWidth>79</PageWidth>
+ <PageLength>66</PageLength>
+ <TabStop>8</TabStop>
+ <ListingPath>.\ARMCM0_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>
+ <CListInc>0</CListInc>
+ <CSymb>0</CSymb>
+ <LinkerCodeListing>0</LinkerCodeListing>
+ </ListingPage>
+ <OPTXL>
+ <LMap>1</LMap>
+ <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>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>
+ <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_graphic_equalizer_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:ARMCM0$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)</Name>
+ </SetRegEntry>
+ <SetRegEntry>
+ <Number>0</Number>
+ <Key>ARMDBGFLAGS</Key>
+ <Name>-T0</Name>
+ </SetRegEntry>
+ </TargetDriverDllRegistry>
+ <Breakpoint>
+ <Bp>
+ <Number>0</Number>
+ <Type>0</Type>
+ <LineNumber>402</LineNumber>
+ <EnabledFlag>1</EnabledFlag>
+ <Address>1898</Address>
+ <ByteObject>0</ByteObject>
+ <HtxType>0</HtxType>
+ <ManyObjects>0</ManyObjects>
+ <SizeOfObject>0</SizeOfObject>
+ <BreakByAccess>0</BreakByAccess>
+ <BreakIfRCount>1</BreakIfRCount>
+ <Filename>.\arm_graphic_equalizer_example_q31.c</Filename>
+ <ExecCommand></ExecCommand>
+ <Expression>\\arm_graphic_equalizer_example\arm_graphic_equalizer_example_q31.c\402</Expression>
+ </Bp>
+ <Bp>
+ <Number>1</Number>
+ <Type>0</Type>
+ <LineNumber>405</LineNumber>
+ <EnabledFlag>1</EnabledFlag>
+ <Address>1902</Address>
+ <ByteObject>0</ByteObject>
+ <HtxType>0</HtxType>
+ <ManyObjects>0</ManyObjects>
+ <SizeOfObject>0</SizeOfObject>
+ <BreakByAccess>0</BreakByAccess>
+ <BreakIfRCount>1</BreakIfRCount>
+ <Filename>.\arm_graphic_equalizer_example_q31.c</Filename>
+ <ExecCommand></ExecCommand>
+ <Expression>\\arm_graphic_equalizer_example\arm_graphic_equalizer_example_q31.c\405</Expression>
+ </Bp>
+ </Breakpoint>
+ <Tracepoint>
+ <THDelay>0</THDelay>
+ </Tracepoint>
+ <DebugFlag>
+ <trace>0</trace>
+ <periodic>0</periodic>
+ <aLwin>1</aLwin>
+ <aCover>0</aCover>
+ <aSer1>0</aSer1>
+ <aSer2>0</aSer2>
+ <aPa>0</aPa>
+ <viewmode>1</viewmode>
+ <vrSel>0</vrSel>
+ <aSym>0</aSym>
+ <aTbox>0</aTbox>
+ <AscS1>0</AscS1>
+ <AscS2>0</AscS2>
+ <AscS3>0</AscS3>
+ <aSer3>0</aSer3>
+ <eProf>0</eProf>
+ <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>
+ <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>
+ <RunTarget>1</RunTarget>
+ <RunAbUc>0</RunAbUc>
+ </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>
+ <CListInc>0</CListInc>
+ <CSymb>0</CSymb>
+ <LinkerCodeListing>0</LinkerCodeListing>
+ </ListingPage>
+ <OPTXL>
+ <LMap>1</LMap>
+ <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_graphic_equalizer_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>405</LineNumber>
+ <EnabledFlag>1</EnabledFlag>
+ <Address>2648</Address>
+ <ByteObject>0</ByteObject>
+ <HtxType>0</HtxType>
+ <ManyObjects>0</ManyObjects>
+ <SizeOfObject>0</SizeOfObject>
+ <BreakByAccess>0</BreakByAccess>
+ <BreakIfRCount>1</BreakIfRCount>
+ <Filename>.\arm_graphic_equalizer_example_q31.c</Filename>
+ <ExecCommand></ExecCommand>
+ <Expression>\\arm_graphic_equalizer_example\arm_graphic_equalizer_example_q31.c\405</Expression>
+ </Bp>
+ <Bp>
+ <Number>1</Number>
+ <Type>0</Type>
+ <LineNumber>402</LineNumber>
+ <EnabledFlag>1</EnabledFlag>
+ <Address>2644</Address>
+ <ByteObject>0</ByteObject>
+ <HtxType>0</HtxType>
+ <ManyObjects>0</ManyObjects>
+ <SizeOfObject>0</SizeOfObject>
+ <BreakByAccess>0</BreakByAccess>
+ <BreakIfRCount>1</BreakIfRCount>
+ <Filename>.\arm_graphic_equalizer_example_q31.c</Filename>
+ <ExecCommand></ExecCommand>
+ <Expression>\\arm_graphic_equalizer_example\arm_graphic_equalizer_example_q31.c\402</Expression>
+ </Bp>
+ </Breakpoint>
+ <Tracepoint>
+ <THDelay>0</THDelay>
+ </Tracepoint>
+ <DebugFlag>
+ <trace>0</trace>
+ <periodic>0</periodic>
+ <aLwin>1</aLwin>
+ <aCover>0</aCover>
+ <aSer1>0</aSer1>
+ <aSer2>0</aSer2>
+ <aPa>0</aPa>
+ <viewmode>1</viewmode>
+ <vrSel>0</vrSel>
+ <aSym>0</aSym>
+ <aTbox>0</aTbox>
+ <AscS1>0</AscS1>
+ <AscS2>0</AscS2>
+ <AscS3>0</AscS3>
+ <aSer3>0</aSer3>
+ <eProf>0</eProf>
+ <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>
+ <pMultCmds></pMultCmds>
+ <pMisraNamep></pMisraNamep>
+ <pszMrulep></pszMrulep>
+ <pSingCmdsp></pSingCmdsp>
+ <pMultCmdsp></pMultCmdsp>
+ </TargetOption>
+ </Target>
+
+ <Target>
+ <TargetName>ARMCM4_FP</TargetName>
+ <ToolsetNumber>0x4</ToolsetNumber>
+ <ToolsetName>ARM-ADS</ToolsetName>
+ <TargetOption>
+ <CLKADS>12000000</CLKADS>
+ <OPTTT>
+ <gFlags>1</gFlags>
+ <BeepAtEnd>1</BeepAtEnd>
+ <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>
+ </OPTHX>
+ <OPTLEX>
+ <PageWidth>79</PageWidth>
+ <PageLength>66</PageLength>
+ <TabStop>8</TabStop>
+ <ListingPath>.\ARMCM4_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>
+ <CListInc>0</CListInc>
+ <CSymb>0</CSymb>
+ <LinkerCodeListing>0</LinkerCodeListing>
+ </ListingPage>
+ <OPTXL>
+ <LMap>1</LMap>
+ <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_graphic_equalizer_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 ) -FN1 -FC1000 -FD20000000 -FF0NEW_DEVICE -FL080000 -FS00 -FP0($$Device:ARMCM4_FP$Device\ARM\Flash\NEW_DEVICE.FLM)</Name>
+ </SetRegEntry>
+ <SetRegEntry>
+ <Number>0</Number>
+ <Key>DLGDARM</Key>
+ <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(1012=-1,-1,-1,-1,0)</Name>
+ </SetRegEntry>
+ <SetRegEntry>
+ <Number>0</Number>
+ <Key>ARMDBGFLAGS</Key>
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diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvprojx b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvprojx
new file mode 100644
index 0000000..27a474f
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example.uvprojx
@@ -0,0 +1,1781 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_projx.xsd">
+
+ <SchemaVersion>2.1</SchemaVersion>
+
+ <Header>### uVision Project, (C) Keil Software</Header>
+
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+ <TargetName>ARMCM0</TargetName>
+ <ToolsetNumber>0x4</ToolsetNumber>
+ <ToolsetName>ARM-ADS</ToolsetName>
+ <pCCUsed>5060750::V5.06 update 6 (build 750)::ARMCC</pCCUsed>
+ <uAC6>0</uAC6>
+ <TargetOption>
+ <TargetCommonOption>
+ <Device>ARMCM0</Device>
+ <Vendor>ARM</Vendor>
+ <PackID>ARM.CMSIS.5.3.1-dev7</PackID>
+ <PackURL>http://www.keil.com/pack/</PackURL>
+ <Cpu>IROM(0x00000000,0x80000) IRAM(0x20000000,0x20000) CPUTYPE("Cortex-M0") CLOCK(10000000) ELITTLE</Cpu>
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+ <DeviceId>0</DeviceId>
+ <RegisterFile>$$Device:ARMCM0$Device\Include\ARMCM0.h</RegisterFile>
+ <MemoryEnv></MemoryEnv>
+ <Cmp></Cmp>
+ <Asm></Asm>
+ <Linker></Linker>
+ <OHString></OHString>
+ <InfinionOptionDll></InfinionOptionDll>
+ <SLE66CMisc></SLE66CMisc>
+ <SLE66AMisc></SLE66AMisc>
+ <SLE66LinkerMisc></SLE66LinkerMisc>
+ <SFDFile>$$Device:ARMCM0$SVD\ARMCM0.svd</SFDFile>
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+ <Error>0</Error>
+ <ExitCodeStop>0</ExitCodeStop>
+ <ButtonStop>0</ButtonStop>
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+ <InvalidFlash>1</InvalidFlash>
+ </TargetStatus>
+ <OutputDirectory>.\ARMCM0_debug\</OutputDirectory>
+ <OutputName>arm_graphic_equalizer_example</OutputName>
+ <CreateExecutable>1</CreateExecutable>
+ <CreateLib>0</CreateLib>
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+ <DllOption>
+ <SimDllName>SARMCM3.DLL</SimDllName>
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+ <TargetDllName>SARMCM3.DLL</TargetDllName>
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+ <TargetDlgDll>TARMCM1.DLL</TargetDlgDll>
+ <TargetDlgDllArguments>-pCM0</TargetDlgDllArguments>
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+ <Undefine></Undefine>
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+ </VariousControls>
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+ </LDads>
+ </TargetArmAds>
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+ <Groups>
+ <Group>
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+ <Files>
+ <File>
+ <FileName>math_helper.c</FileName>
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+ <FilePath>.\math_helper.c</FilePath>
+ </File>
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+ <FileName>arm_graphic_equalizer_data.c</FileName>
+ <FileType>1</FileType>
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+ </Group>
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+ <GroupName>Documentation</GroupName>
+ <Files>
+ <File>
+ <FileName>Abstract.txt</FileName>
+ <FileType>5</FileType>
+ <FilePath>.\Abstract.txt</FilePath>
+ </File>
+ </Files>
+ </Group>
+ <Group>
+ <GroupName>::CMSIS</GroupName>
+ </Group>
+ <Group>
+ <GroupName>::Device</GroupName>
+ </Group>
+ </Groups>
+ </Target>
+ </Targets>
+
+ <RTE>
+ <apis/>
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+ </components>
+ <files>
+ <file attr="config" category="sourceAsm" condition="ARMCC" name="Device\ARM\ARMCM0\Source\ARM\startup_ARMCM0.s" version="1.0.0">
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+ <file attr="config" category="sourceAsm" condition="ARMCC" name="Device\ARM\ARMCM4\Source\ARM\startup_ARMCM4.s" version="1.0.0">
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+ <targetInfos/>
+ </file>
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+ <targetInfos>
+ <targetInfo name="ARMCM7_SP"/>
+ </targetInfos>
+ </file>
+ <file attr="config" category="sourceC" name="Device\ARM\ARMCM7\Source\system_ARMCM7.c" version="1.0.0">
+ <instance index="0">RTE\Device\ARMCM7_SP\system_ARMCM7.c</instance>
+ <component Cclass="Device" Cgroup="Startup" Cvendor="ARM" Cversion="1.0.1" condition="ARMCM7 CMSIS"/>
+ <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.3.1-dev7"/>
+ <targetInfos>
+ <targetInfo name="ARMCM7_SP"/>
+ </targetInfos>
+ </file>
+ </files>
+ </RTE>
+
+</Project>
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example_q31.c b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example_q31.c
new file mode 100644
index 0000000..663b046
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/arm_graphic_equalizer_example_q31.c
@@ -0,0 +1,411 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.0
+*
+* Project: CMSIS DSP Library
+* Title: arm_graphic_equalizer_example_q31.c
+*
+* Description: Example showing an audio graphic equalizer constructed
+* out of Biquad filters.
+*
+* 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 GEQ5Band Graphic Audio Equalizer Example
+ *
+ * \par Description:
+ * \par
+ * This example demonstrates how a 5-band graphic equalizer can be constructed
+ * using the Biquad cascade functions.
+ * A graphic equalizer is used in audio applications to vary the tonal quality
+ * of the audio.
+ *
+ * \par Block Diagram:
+ * \par
+ * The design is based on a cascade of 5 filter sections.
+ * \image html GEQ_signalflow.gif
+ * Each filter section is 4th order and consists of a cascade of two Biquads.
+ * Each filter has a nominal gain of 0 dB (1.0 in linear units) and
+ * boosts or cuts signals within a specific frequency range.
+ * The edge frequencies between the 5 bands are 100, 500, 2000, and 6000 Hz.
+ * Each band has an adjustable boost or cut in the range of +/- 9 dB.
+ * For example, the band that extends from 500 to 2000 Hz has the response shown below:
+ * \par
+ * \image html GEQ_bandresponse.gif
+ * \par
+ * With 1 dB steps, each filter has a total of 19 different settings.
+ * The filter coefficients for all possible 19 settings were precomputed
+ * in MATLAB and stored in a table. With 5 different tables, there are
+ * a total of 5 x 19 = 95 different 4th order filters.
+ * All 95 responses are shown below:
+ * \par
+ * \image html GEQ_allbandresponse.gif
+ * \par
+ * Each 4th order filter has 10 coefficents for a grand total of 950 different filter
+ * coefficients that must be tabulated. The input and output data is in Q31 format.
+ * For better noise performance, the two low frequency bands are implemented using the high
+ * precision 32x64-bit Biquad filters. The remaining 3 high frequency bands use standard
+ * 32x32-bit Biquad filters. The input signal used in the example is a logarithmic chirp.
+ * \par
+ * \image html GEQ_inputchirp.gif
+ * \par
+ * The array <code>bandGains</code> specifies the gain in dB to apply in each band.
+ * For example, if <code>bandGains={0, -3, 6, 4, -6};</code> then the output signal will be:
+ * \par
+ * \image html GEQ_outputchirp.gif
+ * \par
+ * \note The output chirp signal follows the gain or boost of each band.
+ * \par
+ *
+ * \par Variables Description:
+ * \par
+ * \li \c testInput_f32 points to the input data
+ * \li \c testRefOutput_f32 points to the reference output data
+ * \li \c testOutput points to the test output data
+ * \li \c inputQ31 temporary input buffer
+ * \li \c outputQ31 temporary output buffer
+ * \li \c biquadStateBand1Q31 points to state buffer for band1
+ * \li \c biquadStateBand2Q31 points to state buffer for band2
+ * \li \c biquadStateBand3Q31 points to state buffer for band3
+ * \li \c biquadStateBand4Q31 points to state buffer for band4
+ * \li \c biquadStateBand5Q31 points to state buffer for band5
+ * \li \c coeffTable points to coefficient buffer for all bands
+ * \li \c gainDB gain buffer which has gains applied for all the bands
+ *
+ * \par CMSIS DSP Software Library Functions Used:
+ * \par
+ * - arm_biquad_cas_df1_32x64_init_q31()
+ * - arm_biquad_cas_df1_32x64_q31()
+ * - arm_biquad_cascade_df1_init_q31()
+ * - arm_biquad_cascade_df1_q31()
+ * - arm_scale_q31()
+ * - arm_scale_f32()
+ * - arm_float_to_q31()
+ * - arm_q31_to_float()
+ *
+ * <b> Refer </b>
+ * \link arm_graphic_equalizer_example_q31.c \endlink
+ *
+ */
+
+
+/** \example arm_graphic_equalizer_example_q31.c
+ */
+
+
+#include "arm_math.h"
+#include "math_helper.h"
+
+/* Length of the overall data in the test */
+#define TESTLENGTH 320
+
+/* Block size for the underlying processing */
+#define BLOCKSIZE 32
+
+/* Total number of blocks to run */
+#define NUMBLOCKS (TESTLENGTH/BLOCKSIZE)
+
+/* Number of 2nd order Biquad stages per filter */
+#define NUMSTAGES 2
+
+#define SNR_THRESHOLD_F32 98
+
+/* -------------------------------------------------------------------
+ * External Declarations for Input and Output buffers
+ * ------------------------------------------------------------------- */
+
+extern float32_t testInput_f32[TESTLENGTH];
+static float32_t testOutput[TESTLENGTH];
+
+extern float32_t testRefOutput_f32[TESTLENGTH];
+
+/* ----------------------------------------------------------------------
+** Q31 state buffers for Band1, Band2, Band3, Band4, Band5
+** ------------------------------------------------------------------- */
+
+static q63_t biquadStateBand1Q31[4 * 2];
+static q63_t biquadStateBand2Q31[4 * 2];
+static q31_t biquadStateBand3Q31[4 * 2];
+static q31_t biquadStateBand4Q31[4 * 2];
+static q31_t biquadStateBand5Q31[4 * 2];
+
+/* ----------------------------------------------------------------------
+** Q31 input and output buffers
+** ------------------------------------------------------------------- */
+
+q31_t inputQ31[BLOCKSIZE];
+q31_t outputQ31[BLOCKSIZE];
+
+/* ----------------------------------------------------------------------
+** Entire coefficient table. There are 10 coefficients per 4th order Biquad
+** cascade filter. The first 10 coefficients correspond to the -9 dB gain
+** setting of band 1; the next 10 coefficient correspond to the -8 dB gain
+** setting of band 1; and so on. There are 10*19=190 coefficients in total
+** for band 1 (gains = -9, -8, -7, ..., 9). After this come the 190 coefficients
+** for band 2.
+**
+** The coefficients are in Q29 format and require a postShift of 2.
+** ------------------------------------------------------------------- */
+
+const q31_t coeffTable[950] = {
+
+ /* Band 1, -9 dB gain */
+ 535576962, -1071153923, 535576962, 1073741824, -536870912, 535576962, -1063501998, 527979313, 1060865294, -524146981,
+ /* Band 1, -8 dB gain */
+ 535723226, -1071446451, 535723226, 1073741824, -536870912, 535723226, -1063568947, 527903217, 1061230578, -524503778,
+ 535868593, -1071737186, 535868593, 1073741824, -536870912, 535868593, -1063627467, 527819780, 1061585502, -524850686,
+ 536013181, -1072026363, 536013181, 1073741824, -536870912, 536013181, -1063677598, 527728935, 1061930361, -525187972,
+ 536157109, -1072314217, 536157109, 1073741824, -536870912, 536157109, -1063719372, 527630607, 1062265438, -525515897,
+ 536300492, -1072600983, 536300492, 1073741824, -536870912, 536300492, -1063752815, 527524720, 1062591011, -525834716,
+ 536443447, -1072886894, 536443447, 1073741824, -536870912, 536443447, -1063777945, 527411186, 1062907350, -526144676,
+ 536586091, -1073172183, 536586091, 1073741824, -536870912, 536586091, -1063794775, 527289917, 1063214717, -526446017,
+ 536728541, -1073457082, 536728541, 1073741824, -536870912, 536728541, -1063803308, 527160815, 1063513366, -526738975,
+ 536870912, -1073741824, 536870912, 1073741824, -536870912, 536870912, -1063803543, 527023777, 1063803543, -527023777,
+ 537013321, -1074026642, 537013321, 1073741824, -536870912, 537013321, -1063795470, 526878696, 1064085490, -527300648,
+ 537155884, -1074311768, 537155884, 1073741824, -536870912, 537155884, -1063779073, 526725455, 1064359439, -527569803,
+ 537298718, -1074597435, 537298718, 1073741824, -536870912, 537298718, -1063754328, 526563934, 1064625617, -527831454,
+ 537441939, -1074883878, 537441939, 1073741824, -536870912, 537441939, -1063721205, 526394005, 1064884245, -528085806,
+ 537585666, -1075171331, 537585666, 1073741824, -536870912, 537585666, -1063679666, 526215534, 1065135536, -528333059,
+ 537730015, -1075460030, 537730015, 1073741824, -536870912, 537730015, -1063629666, 526028380, 1065379699, -528573409,
+ 537875106, -1075750212, 537875106, 1073741824, -536870912, 537875106, -1063571152, 525832396, 1065616936, -528807045,
+ 538021057, -1076042114, 538021057, 1073741824, -536870912, 538021057, -1063504065, 525627429, 1065847444, -529034151,
+ 538167989, -1076335977, 538167989, 1073741824, -536870912, 538167989, -1063428338, 525413317, 1066071412, -529254907,
+
+ /* Band 2, -9 dB gain */
+ 531784976, -1055497692, 523873415, 1066213307, -529420241, 531784976, -1040357886, 509828014, 1028908252, -494627367,
+ /* Band 2, -8 dB gain */
+ 532357636, -1056601982, 524400080, 1066115844, -529326645, 532357636, -1040623406, 509562600, 1030462237, -496062122,
+ 532927392, -1057707729, 524931110, 1066024274, -529239070, 532927392, -1040848253, 509262081, 1031969246, -497457090,
+ 533494678, -1058816094, 525467240, 1065939047, -529157961, 533494678, -1041032161, 508925950, 1033429976, -498812573,
+ 534059929, -1059928204, 526009170, 1065860582, -529083734, 534059929, -1041174868, 508553717, 1034845124, -500128887,
+ 534623580, -1061045148, 526557561, 1065789260, -529016764, 534623580, -1041276126, 508144920, 1036215393, -501406373,
+ 535186068, -1062167969, 527113032, 1065725420, -528957385, 535186068, -1041335703, 507699125, 1037541500, -502645399,
+ 535747827, -1063297666, 527676151, 1065669351, -528905879, 535747827, -1041353386, 507215934, 1038824183, -503846368,
+ 536309295, -1064435183, 528247436, 1065621289, -528862476, 536309295, -1041328990, 506694984, 1040064203, -505009724,
+ 536870912, -1065581413, 528827349, 1065581413, -528827349, 536870912, -1041262354, 506135953, 1041262354, -506135953,
+ 537433117, -1066737194, 529416295, 1065549847, -528800610, 537433117, -1041153346, 505538564, 1042419457, -507225588,
+ 537996352, -1067903307, 530014622, 1065526651, -528782316, 537996352, -1041001864, 504902578, 1043536370, -508279208,
+ 538561061, -1069080480, 530622620, 1065511830, -528772462, 538561061, -1040807833, 504227800, 1044613981, -509297437,
+ 539127690, -1070269387, 531240527, 1065505333, -528770987, 539127690, -1040571205, 503514074, 1045653211, -510280946,
+ 539696690, -1071470656, 531868525, 1065507054, -528777778, 539696690, -1040291951, 502761277, 1046655011, -511230450,
+ 540268512, -1072684867, 532506750, 1065516837, -528792672, 540268512, -1039970063, 501969320, 1047620358, -512146700,
+ 540843613, -1073912567, 533155297, 1065534483, -528815459, 540843613, -1039605542, 501138139, 1048550251, -513030484,
+ 541422451, -1075154268, 533814224, 1065559750, -528845892, 541422451, -1039198394, 500267687, 1049445708, -513882621,
+ 542005489, -1076410460, 534483561, 1065592362, -528883686, 542005489, -1038748624, 499357932, 1050307760, -514703956,
+ 518903861, -1001986830, 486725277, 1037235801, -502367695, 518903861, -945834422, 446371043, 902366163, -400700571,
+ 520899989, -1005630916, 488289126, 1036926846, -502147311, 520899989, -946490935, 445581846, 907921945, -404936158,
+ 522893209, -1009290002, 489869792, 1036650484, -501961419, 522893209, -947006359, 444685310, 913306106, -409075225,
+ 524884763, -1012968199, 491470256, 1036407567, -501810737, 524884763, -947377809, 443679533, 918521018, -413116221,
+ 526875910, -1016669649, 493093518, 1036198712, -501695739, 526875910, -947602324, 442562672, 923569247, -417057897,
+ 528867927, -1020398503, 494742575, 1036024293, -501616651, 528867927, -947676875, 441332970, 928453558, -420899319,
+ 530862111, -1024158905, 496420407, 1035884447, -501573457, 530862111, -947598385, 439988777, 933176909, -424639872,
+ 532859778, -1027954970, 498129955, 1035779077, -501565907, 532859778, -947363742, 438528571, 937742446, -428279254,
+ 534862260, -1031790763, 499874098, 1035707863, -501593525, 534862260, -946969823, 436950987, 942153486, -431817474,
+ 536870912, -1035670279, 501655630, 1035670279, -501655630, 536870912, -946413508, 435254839, 946413508, -435254839,
+ 538887107, -1039597419, 503477238, 1035665609, -501751354, 538887107, -945691703, 433439146, 950526127, -438591937,
+ 540912240, -1043575967, 505341475, 1035692963, -501879659, 540912240, -944801359, 431503152, 954495080, -441829621,
+ 542947726, -1047609569, 507250741, 1035751307, -502039364, 542947726, -943739490, 429446349, 958324201, -444968987,
+ 544995000, -1051701717, 509207261, 1035839473, -502229165, 544995000, -942503190, 427268492, 962017400, -448011351,
+ 547055523, -1055855728, 511213065, 1035956193, -502447657, 547055523, -941089647, 424969617, 965578640, -450958226,
+ 549130774, -1060074734, 513269973, 1036100110, -502693359, 549130774, -939496155, 422550049, 969011913, -453811298,
+ 551222259, -1064361672, 515379585, 1036269804, -502964731, 551222259, -937720119, 420010407, 972321228, -456572401,
+ 553331507, -1068719280, 517543273, 1036463810, -503260192, 553331507, -935759057, 417351601, 975510582, -459243495,
+ 555460072, -1073150100, 519762181, 1036680633, -503578144, 555460072, -933610600, 414574832, 978583948, -461826644,
+ 494084017, -851422604, 404056273, 930151631, -423619864, 494084017, -673714108, 339502486, 561843007, -265801750,
+ 498713542, -859177141, 406587077, 929211656, -423786402, 498713542, -673274906, 338185129, 573719128, -272222942,
+ 503369016, -867012190, 409148384, 928362985, -424054784, 503369016, -672533059, 336693984, 585290277, -278599028,
+ 508052536, -874935599, 411746438, 927604291, -424422151, 508052536, -671478538, 335026905, 596558312, -284920289,
+ 512766286, -882955583, 414387826, 926933782, -424885216, 512766286, -670100998, 333182045, 607525792, -291177811,
+ 517512534, -891080712, 417079474, 926349262, -425440318, 517512534, -668389789, 331157902, 618195914, -297363485,
+ 522293635, -899319903, 419828635, 925848177, -426083491, 522293635, -666333963, 328953368, 628572440, -303470012,
+ 527112032, -907682405, 422642886, 925427679, -426810526, 527112032, -663922286, 326567785, 638659631, -309490882,
+ 531970251, -916177781, 425530105, 925084675, -427617023, 531970251, -661143261, 324000998, 648462180, -315420352,
+ 536870912, -924815881, 428498454, 924815881, -428498454, 536870912, -657985147, 321253420, 657985147, -321253420,
+ 541816719, -933606817, 431556352, 924617870, -429450209, 541816719, -654435997, 318326093, 667233900, -326985786,
+ 546810467, -942560921, 434712438, 924487114, -430467639, 546810467, -650483688, 315220754, 676214053, -332613816,
+ 551855042, -951688708, 437975532, 924420027, -431546101, 551855042, -646115970, 311939896, 684931422, -338134495,
+ 556953421, -961000826, 441354588, 924413001, -432680993, 556953421, -641320513, 308486839, 693391970, -343545389,
+ 562108672, -970508005, 444858642, 924462435, -433867780, 562108672, -636084967, 304865786, 701601770, -348844597,
+ 567323959, -980220994, 448496743, 924564764, -435102022, 567323959, -630397020, 301081886, 709566963, -354030710,
+ 572602539, -990150500, 452277894, 924716482, -436379394, 572602539, -624244471, 297141281, 717293726, -359102767,
+ 577947763, -1000307125, 456210977, 924914158, -437695705, 577947763, -617615296, 293051155, 724788245, -364060214,
+ 583363084, -1010701292, 460304674, 925154455, -439046908, 583363084, -610497723, 288819761, 732056685, -368902865,
+ 387379495, -506912469, 196933274, 840112184, -347208270, 387379495, 506912469, 196933274, -840112184, -347208270,
+ 401658082, -532275898, 207149427, 833765363, -343175316, 401658082, 532275898, 207149427, -833765363, -343175316,
+ 416472483, -558722695, 217902617, 827270154, -339107319, 416472483, 558722695, 217902617, -827270154, -339107319,
+ 431841949, -586290861, 229212798, 820624988, -335007540, 431841949, 586290861, 229212798, -820624988, -335007540,
+ 447786335, -615019650, 241100489, 813828443, -330879528, 447786335, 615019650, 241100489, -813828443, -330879528,
+ 464326111, -644949597, 253586805, 806879270, -326727141, 464326111, 644949597, 253586805, -806879270, -326727141,
+ 481482377, -676122557, 266693475, 799776409, -322554559, 481482377, 676122557, 266693475, -799776409, -322554559,
+ 499276882, -708581728, 280442865, 792519013, -318366296, 499276882, 708581728, 280442865, -792519013, -318366296,
+ 517732032, -742371685, 294857996, 785106465, -314167221, 517732032, 742371685, 294857996, -785106465, -314167221,
+ 536870912, -777538408, 309962566, 777538408, -309962566, 536870912, 777538408, 309962566, -777538408, -309962566,
+ 556717294, -814129313, 325780968, 769814766, -305757943, 556717294, 814129313, 325780968, -769814766, -305757943,
+ 577295658, -852193284, 342338310, 761935777, -301559360, 577295658, 852193284, 342338310, -761935777, -301559360,
+ 598631206, -891780698, 359660433, 753902014, -297373230, 598631206, 891780698, 359660433, -753902014, -297373230,
+ 620749877, -932943463, 377773927, 745714425, -293206383, 620749877, 932943463, 377773927, -745714425, -293206383,
+ 643678365, -975735041, 396706151, 737374355, -289066077, 643678365, 975735041, 396706151, -737374355, -289066077,
+ 667444134, -1020210487, 416485252, 728883588, -284960004, 667444134, 1020210487, 416485252, -728883588, -284960004,
+ 692075438, -1066426476, 437140179, 720244375, -280896294, 692075438, 1066426476, 437140179, -720244375, -280896294,
+ 717601336, -1114441339, 458700704, 711459472, -276883515, 717601336, 1114441339, 458700704, -711459472, -276883515,
+ 744051710, -1164315096, 481197437, 702532174, -272930673, 744051710, 1164315096, 481197437, -702532174, -272930673
+
+};
+
+/* ----------------------------------------------------------------------
+** Desired gains, in dB, per band
+** ------------------------------------------------------------------- */
+
+int gainDB[5] = {0, -3, 6, 4, -6};
+
+float32_t snr;
+
+
+/* ----------------------------------------------------------------------
+ * Graphic equalizer Example
+ * ------------------------------------------------------------------- */
+
+int32_t main(void)
+{
+ float32_t *inputF32, *outputF32;
+ arm_biquad_cas_df1_32x64_ins_q31 S1;
+ arm_biquad_cas_df1_32x64_ins_q31 S2;
+ arm_biquad_casd_df1_inst_q31 S3;
+ arm_biquad_casd_df1_inst_q31 S4;
+ arm_biquad_casd_df1_inst_q31 S5;
+ int i;
+ int32_t status;
+
+ inputF32 = &testInput_f32[0];
+ outputF32 = &testOutput[0];
+
+ /* Initialize the state and coefficient buffers for all Biquad sections */
+
+ arm_biquad_cas_df1_32x64_init_q31(&S1, NUMSTAGES,
+ (q31_t *) &coeffTable[190*0 + 10*(gainDB[0] + 9)],
+ &biquadStateBand1Q31[0], 2);
+
+ arm_biquad_cas_df1_32x64_init_q31(&S2, NUMSTAGES,
+ (q31_t *) &coeffTable[190*1 + 10*(gainDB[1] + 9)],
+ &biquadStateBand2Q31[0], 2);
+
+ arm_biquad_cascade_df1_init_q31(&S3, NUMSTAGES,
+ (q31_t *) &coeffTable[190*2 + 10*(gainDB[2] + 9)],
+ &biquadStateBand3Q31[0], 2);
+
+ arm_biquad_cascade_df1_init_q31(&S4, NUMSTAGES,
+ (q31_t *) &coeffTable[190*3 + 10*(gainDB[3] + 9)],
+ &biquadStateBand4Q31[0], 2);
+
+ arm_biquad_cascade_df1_init_q31(&S5, NUMSTAGES,
+ (q31_t *) &coeffTable[190*4 + 10*(gainDB[4] + 9)],
+ &biquadStateBand5Q31[0], 2);
+
+
+ /* Call the process functions and needs to change filter coefficients
+ for varying the gain of each band */
+
+ for(i=0; i < NUMBLOCKS; i++)
+ {
+
+ /* ----------------------------------------------------------------------
+ ** Convert block of input data from float to Q31
+ ** ------------------------------------------------------------------- */
+
+ arm_float_to_q31(inputF32 + (i*BLOCKSIZE), inputQ31, BLOCKSIZE);
+
+ /* ----------------------------------------------------------------------
+ ** Scale down by 1/8. This provides additional headroom so that the
+ ** graphic EQ can apply gain.
+ ** ------------------------------------------------------------------- */
+
+ arm_scale_q31(inputQ31, 0x7FFFFFFF, -3, inputQ31, BLOCKSIZE);
+
+ /* ----------------------------------------------------------------------
+ ** Call the Q31 Biquad Cascade DF1 32x64 process function for band1, band2
+ ** ------------------------------------------------------------------- */
+
+ arm_biquad_cas_df1_32x64_q31(&S1, inputQ31, outputQ31, BLOCKSIZE);
+ arm_biquad_cas_df1_32x64_q31(&S2, outputQ31, outputQ31, BLOCKSIZE);
+
+ /* ----------------------------------------------------------------------
+ ** Call the Q31 Biquad Cascade DF1 process function for band3, band4, band5
+ ** ------------------------------------------------------------------- */
+
+ arm_biquad_cascade_df1_q31(&S3, outputQ31, outputQ31, BLOCKSIZE);
+ arm_biquad_cascade_df1_q31(&S4, outputQ31, outputQ31, BLOCKSIZE);
+ arm_biquad_cascade_df1_q31(&S5, outputQ31, outputQ31, BLOCKSIZE);
+
+ /* ----------------------------------------------------------------------
+ ** Convert Q31 result back to float
+ ** ------------------------------------------------------------------- */
+
+ arm_q31_to_float(outputQ31, outputF32 + (i * BLOCKSIZE), BLOCKSIZE);
+
+ /* ----------------------------------------------------------------------
+ ** Scale back up
+ ** ------------------------------------------------------------------- */
+
+ arm_scale_f32(outputF32 + (i * BLOCKSIZE), 8.0f, outputF32 + (i * BLOCKSIZE), BLOCKSIZE);
+ };
+
+ snr = arm_snr_f32(testRefOutput_f32, testOutput, TESTLENGTH);
+
+ if (snr < SNR_THRESHOLD_F32)
+ {
+ status = ARM_MATH_TEST_FAILURE;
+ }
+ else
+ {
+ status = ARM_MATH_SUCCESS;
+ }
+
+ /* ----------------------------------------------------------------------
+ ** Loop here if the signal does not match the reference output.
+ ** ------------------------------------------------------------------- */
+
+ if ( status != ARM_MATH_SUCCESS)
+ {
+ while (1);
+ }
+
+ while (1); /* main function does not return */
+}
+
+/** \endlink */
+
+
+
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.c b/DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.c
new file mode 100644
index 0000000..4b0ee1f
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.c
@@ -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;
+ }
+
+ }
+}
+
+
+
+
diff --git a/DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.h b/DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.h
new file mode 100644
index 0000000..46b0af3
--- /dev/null
+++ b/DSP/Examples/ARM/arm_graphic_equalizer_example/math_helper.h
@@ -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
+