forked from acco/chti23
version finale
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parent
788676daa7
commit
3307d47679
5 changed files with 128 additions and 44 deletions
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@ -5,27 +5,15 @@
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; ====================== zone de réservation de données, ======================================
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;Section RAM (read only) :
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area mesdata,data,readonly
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import LeSignal
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;Section RAM (read write):
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area maram,data,readwrite
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ModuleAuCarre dcd 0
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PartieReelle dcd 0
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PartieIm dcd 0
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; ===============================================================================================
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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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export DFT_ModuleAuCarre
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;Section ROM code (read only) :
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@ -163,35 +151,39 @@ TabSin
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DCW -6393 ; 62 0xe707 -0.19510
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DCW -3212 ; 63 0xf374 -0.09802
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DFT_ModuleAuCarre proc
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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 {r4, r5, r6, r7, r8}
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; r0 occupé par k
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; r1 occupé par l'adresse du signal
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ldr r0, =TabCos
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; ModuleAuCarre
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; r6 occupé par PartieReelle
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; r7 occupé par PartieIm
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push {r4, r5, r6, r7, r8, r9, r10}
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ldr r9, =TabCos
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ldr r8, =TabSin
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ldr r1, =LeSignal
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ldr r6, =PartieReelle
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ldr r7, =PartieIm
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;ldr r1, =LeSignal
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mov r3, #0
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debut_boucle
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ldrsh r4, [r1,r3, lsl #1];lecture de la valeur du signal à l'adresse r1 décalé de l'index r3
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ldrsh r2, [r0,r3, lsl #1];lecture de la valeur du cos à l'adresse r0 décalé de l'index r3
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mul r10, r3, r0
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and r10, #63
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;attention format à prendre en compte.............................
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ldrsh r2, [r9,r10, lsl #1];lecture de la valeur du cos à l'adresse r0 décalé de l'index r3
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mul r5, r2, r4 ;calcul
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ldr r2, [r6] ;lecture de la valeur de la partie réelle
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add r2, r5 ; on y ajoute la valeur calculée
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strh r2, [r6] ; on store la valeur à l'adresse
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add r6, r5 ; on y ajoute la valeur calculée
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ldrsh r2, [r8,r3, lsl #1];lecture de la valeur du sin
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ldrsh r2, [r8,r10, lsl #1];lecture de la valeur du sin
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mul r5, r2, r4 ; calcul en reprenant la valeur du signal qui ne change pas dans r4
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ldr r2, [r7];lecture de la valeur de la partie imaginaire
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add r2, r5
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strh r2, [r7]
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add r7, r5
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add r3, #1 ;incrémentation de l'index
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@ -199,9 +191,12 @@ debut_boucle
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bne debut_boucle
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fin_boucle
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pop {r4, r5, r6, r7, r8}
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smull r5, r4, r6, r6
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smull r10, r2, r7, r7
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add r4, r2
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mov r0,r4
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pop {r4, r5, r6, r7, r8, r9, r10}
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bx lr
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endp
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@ -1,10 +1,14 @@
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#include <stdio.h>
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#include "DriverJeuLaser.h"
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extern short int LeSignal;
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extern int DFT_ModuleAuCarre(int k, short int * Signal64ech);
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int main(void)
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{
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// ===========================================================================
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@ -19,10 +23,16 @@ CLOCK_Configure();
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//============================================================================
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DFT_ModuleAuCarre(0, &LeSignal);
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while (1)
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{
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}
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}
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@ -75,7 +75,7 @@
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<OPTFL>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<IsCurrentTarget>0</IsCurrentTarget>
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<IsCurrentTarget>1</IsCurrentTarget>
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</OPTFL>
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<CpuCode>18</CpuCode>
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<DebugOpt>
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@ -154,6 +154,26 @@
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</SetRegEntry>
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</TargetDriverDllRegistry>
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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>r3,0x0A</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>r10</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>256</SubType>
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<ItemText>R0</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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@ -267,7 +287,7 @@
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<OPTFL>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<IsCurrentTarget>1</IsCurrentTarget>
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<IsCurrentTarget>0</IsCurrentTarget>
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</OPTFL>
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<CpuCode>18</CpuCode>
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<DebugOpt>
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@ -624,6 +644,30 @@
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<RteFlg>0</RteFlg>
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<bShared>0</bShared>
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</File>
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<File>
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<GroupNumber>1</GroupNumber>
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<FileNumber>2</FileNumber>
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<FileType>2</FileType>
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<tvExp>0</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<bDave2>0</bDave2>
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<PathWithFileName>.\Src\DFT.s</PathWithFileName>
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<FilenameWithoutPath>DFT.s</FilenameWithoutPath>
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<RteFlg>0</RteFlg>
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<bShared>0</bShared>
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</File>
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<File>
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<GroupNumber>1</GroupNumber>
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<FileNumber>3</FileNumber>
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<FileType>2</FileType>
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<tvExp>0</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<bDave2>0</bDave2>
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<PathWithFileName>.\Src\Signal.asm</PathWithFileName>
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<FilenameWithoutPath>Signal.asm</FilenameWithoutPath>
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<RteFlg>0</RteFlg>
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<bShared>0</bShared>
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</File>
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</Group>
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<Group>
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@ -634,7 +678,7 @@
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<RteFlg>0</RteFlg>
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<File>
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<GroupNumber>2</GroupNumber>
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<FileNumber>2</FileNumber>
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<FileNumber>4</FileNumber>
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<FileType>2</FileType>
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<tvExp>0</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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@ -654,7 +698,7 @@
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<RteFlg>0</RteFlg>
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<File>
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<GroupNumber>3</GroupNumber>
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<FileNumber>3</FileNumber>
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<FileNumber>5</FileNumber>
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<FileType>4</FileType>
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<tvExp>0</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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@ -388,6 +388,16 @@
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<FileType>1</FileType>
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<FilePath>.\Src\principal.c</FilePath>
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</File>
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<File>
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<FileName>DFT.s</FileName>
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<FileType>2</FileType>
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<FilePath>.\Src\DFT.s</FilePath>
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</File>
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<File>
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<FileName>Signal.asm</FileName>
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<FileType>2</FileType>
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<FilePath>.\Src\Signal.asm</FilePath>
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</File>
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</Files>
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</Group>
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<Group>
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@ -797,6 +807,16 @@
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<FileType>1</FileType>
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<FilePath>.\Src\principal.c</FilePath>
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</File>
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<File>
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<FileName>DFT.s</FileName>
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<FileType>2</FileType>
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<FilePath>.\Src\DFT.s</FilePath>
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</File>
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<File>
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<FileName>Signal.asm</FileName>
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<FileType>2</FileType>
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<FilePath>.\Src\Signal.asm</FilePath>
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</File>
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</Files>
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</Group>
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<Group>
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@ -1275,6 +1295,16 @@
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<FileType>1</FileType>
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<FilePath>.\Src\principal.c</FilePath>
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</File>
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<File>
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<FileName>DFT.s</FileName>
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<FileType>2</FileType>
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<FilePath>.\Src\DFT.s</FilePath>
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</File>
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<File>
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<FileName>Signal.asm</FileName>
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<FileType>2</FileType>
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<FilePath>.\Src\Signal.asm</FilePath>
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</File>
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</Files>
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</Group>
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<Group>
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@ -1322,7 +1352,7 @@
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<LayerInfo>
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<Layers>
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<Layer>
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<LayName><Project Info></LayName>
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<LayName>StepDFT</LayName>
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<LayTarg>0</LayTarg>
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<LayPrjMark>1</LayPrjMark>
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</Layer>
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@ -75,7 +75,7 @@
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<OPTFL>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<IsCurrentTarget>0</IsCurrentTarget>
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<IsCurrentTarget>1</IsCurrentTarget>
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</OPTFL>
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<CpuCode>18</CpuCode>
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<DebugOpt>
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@ -160,6 +160,11 @@
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<WinNumber>1</WinNumber>
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<ItemText>SortieSon</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>bouton</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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@ -287,7 +292,7 @@
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<OPTFL>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<IsCurrentTarget>1</IsCurrentTarget>
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<IsCurrentTarget>0</IsCurrentTarget>
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</OPTFL>
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<CpuCode>18</CpuCode>
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<DebugOpt>
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