forked from acco/chti23
Step_DFT - étapes 1 et 2 fonctionnelles, étape 3 non testée
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3 changed files with 104 additions and 29 deletions
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@ -13,37 +13,54 @@
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; ===============================================================================================
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EXPORT DFT_ModuleAuCarre
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;Section ROM code (read only) :
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area moncode,code,readonly
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; écrire le code ici
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DFT_ModuleAuCarre proc
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push {lr}
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;partie reelle
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;push {r0}
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ldr r2,=TabCos
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bl DFT_Partie
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;mov r3 ,r0
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;partie imaginaire
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;pop {r0}
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;ldr r2,=TabSin
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;bl DFT_Partie
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; calcul dft
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;mul r0, r0
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;mul r3, r3
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;add r0, r3
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pop {pc}
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endp
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; ====================== DFT Partie ======================================
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DFT_Partie proc
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push {lr, r4, r5, r6}
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mov r2, #0 ;Compteur de boucle
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mov r5, #0 ;Compteur de boucle
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mov r3, #0 ;Partie Réelle
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ldr r5, =TabCos
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BOUCLER
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cmp r2, #63
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bgt FINBOUCLER
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mul r4, r1, r2
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BOUCLERR
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cmp r5, #63
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bgt FINBOUCLERR
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mul r4, r1, r5 ; k*n
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and r4, #63 ; p
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ldrh r4, [r5, r4, LSL #1] ; TabCos(p)
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ldrh r6, [r0, r2, LSL #1] ; LeSignal(n)
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mul r4, r6
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add r3, r4
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add r2, #1
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bl BOUCLER
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FINBOUCLER
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mov r0, r3
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ldrsh r4, [r2, r4, LSL #1] ; TabCos(p) 1.15
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ldrh r6, [r0, r5, LSL #1] ; LeSignal(n) 1.12
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mul r4, r6 ; 2.27
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asr r4, #2 ; 4.25
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add r3, r4 ; 7.25
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add r5, #1
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b BOUCLERR
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FINBOUCLERR
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mov r0, r3
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pop {pc, r4, r5, r6}
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endp
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;Section ROM code (read only) :
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AREA Trigo, DATA, READONLY
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@ -4,6 +4,10 @@
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int DFT_ModuleAuCarre( short int * Signal64ech, char k);
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extern short int LeSignal;
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int tab [64];
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int main(void)
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{
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@ -12,16 +16,18 @@ int main(void)
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// ===========================================================================
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// Après exécution : le coeur CPU est clocké à 72MHz ainsi que tous les timers
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CLOCK_Configure();
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//CLOCK_Configure();
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//============================================================================
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for (int i=0;i<64;i++)
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{
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char k = (char)i;
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tab[i]= DFT_ModuleAuCarre( &LeSignal, k);
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}
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while (1)
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{
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//DFT_ModuleAuCarre( LeSignal, 17);
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}
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}
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@ -153,14 +153,66 @@
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<Name>-U066CFF574857847167074929 -O2254 -S0 -C0 -A0 -N00("ARM CoreSight SW-DP") -D00(1BA01477) -L00(0) -TO18 -TC10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO7 -FD20000000 -FC800 -FN1 -FF0STM32F10x_128.FLM -FS08000000 -FL020000 -FP0($$Device:STM32F103RB$Flash\STM32F10x_128.FLM)</Name>
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</SetRegEntry>
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</TargetDriverDllRegistry>
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<Breakpoint/>
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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>29</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>134218158</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>.\Src\principal.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\\Src/principal.c\29</Expression>
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</Bp>
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</Breakpoint>
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<WatchWindow1>
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<Ww>
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<count>0</count>
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<WinNumber>1</WinNumber>
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<ItemText>r4,0x0A</ItemText>
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</Ww>
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<Ww>
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<count>1</count>
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<WinNumber>1</WinNumber>
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<ItemText>r6,0x0A</ItemText>
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</Ww>
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<Ww>
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<count>2</count>
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<WinNumber>1</WinNumber>
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<ItemText>r0,0x0A</ItemText>
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</Ww>
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<Ww>
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<count>3</count>
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<WinNumber>1</WinNumber>
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<ItemText>i,0x0A</ItemText>
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</Ww>
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<Ww>
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<count>4</count>
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<WinNumber>1</WinNumber>
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<ItemText>k,0x0A</ItemText>
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</Ww>
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</WatchWindow1>
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<MemoryWindow1>
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<Mm>
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<WinNumber>1</WinNumber>
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<SubType>0</SubType>
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<ItemText>tab</ItemText>
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<AccSizeX>0</AccSizeX>
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</Mm>
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</MemoryWindow1>
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<Tracepoint>
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<THDelay>0</THDelay>
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</Tracepoint>
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<DebugFlag>
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<trace>0</trace>
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<periodic>1</periodic>
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<aLwin>1</aLwin>
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<aLwin>0</aLwin>
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<aCover>0</aCover>
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<aSer1>0</aSer1>
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<aSer2>0</aSer2>
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@ -174,7 +226,7 @@
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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>
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<aLa>1</aLa>
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<aPa1>0</aPa1>
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<AscS4>0</AscS4>
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<aSer4>0</aSer4>
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@ -200,7 +252,7 @@
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<Wi>
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<IntNumber>0</IntNumber>
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<FirstString>((portb & 0x00000002) >> 1 & 0x2) >> 1</FirstString>
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<SecondString>FF000000000000000000000000000000E0FFEF400100000000000000000000000000000028706F7274622026203078303030303030303229203E3E2031000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000000000000000000F03F160000000000000000000000000000000000000096020008</SecondString>
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<SecondString>FF000000000000000000000000000000E0FFEF400100000000000000000000000000000028706F7274622026203078303030303030303229203E3E2031000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000000000000000000F03F140000000000000000000000000000000000000096020008</SecondString>
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</Wi>
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</LogicAnalyzers>
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<DebugDescription>
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