forked from acco/chti23
dft v1
This commit is contained in:
Bensebaa
parent
39515121e3
commit
0377860585
5 changed files with 155 additions and 9 deletions
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@ -5,6 +5,8 @@
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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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export DFT_ModuleAuCarre
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;Section RAM (read write):
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@ -22,9 +24,38 @@
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; écrire le code ici
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DFT_ModuleAuCarre proc
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push{r4,r7,r5}
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;r0 = @signal
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;r1 = k
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ldr r2,=TabCos;@tabcos
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mov r3,#0 ; r3 val indice
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mov r5,#0 ; initialiser somme
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boucle
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ldrh r7,[r0,r3 lsl 1];val signal format 1.12
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mul r4,r3,r1 ; val p=k*n (indice tabCos)
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ldrsh r4,[r2,r4 lsl 1];val tabCos format 1.15(signed)
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mul r7,r4; X(k) à l'indice n ==>format 2.27
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add r5,r7
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add r3,#1
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cmp r3,#63
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ble boucle
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mov r0,r5
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pop{r4,r7,r5}
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bx lr
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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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; codage fractionnaire 1.15
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@ -1,8 +1,8 @@
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#include "DriverJeuLaser.h"
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extern int DFT_ModuleAuCarre( short int * Signal64ech, char k);
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extern short int LeSignal[];
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int main(void)
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{
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@ -15,6 +15,7 @@ int main(void)
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CLOCK_Configure();
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DFT_ModuleAuCarre(&(LeSignal[0]),1);
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@ -23,6 +24,7 @@ CLOCK_Configure();
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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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@ -153,7 +153,64 @@
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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>31</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>0</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>0</BreakIfRCount>
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<Filename>.\Src\DFT.s</Filename>
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<ExecCommand></ExecCommand>
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<Expression></Expression>
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</Bp>
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<Bp>
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<Number>1</Number>
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<Type>0</Type>
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<LineNumber>33</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>134218386</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\DFT.s</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\StepDFT\Src/DFT.s\33</Expression>
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</Bp>
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<Bp>
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<Number>2</Number>
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<Type>0</Type>
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<LineNumber>34</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>0</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>0</BreakIfRCount>
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<Filename>.\Src\DFT.s</Filename>
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<ExecCommand></ExecCommand>
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<Expression></Expression>
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</Bp>
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</Breakpoint>
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<MemoryWindow1>
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<Mm>
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<WinNumber>1</WinNumber>
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<SubType>9</SubType>
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<ItemText>0x08000330</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 +324,7 @@
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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 +681,30 @@
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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 +715,7 @@
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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 +735,7 @@
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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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@ -44,10 +44,12 @@ CallbackSon proc
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ldr r0, =Son ; recuperer @ son
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;ldrsh r2,[r0,r2 lsl 1]
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movs r2,r2,lsl #1
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add r0,r2
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ldrsh r2,[r0];valeur son
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ldr r0, =SortieSon ;@ sortie son
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;mise a l'echelle;
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