forked from acco/chti23
partie PWM
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6d36e9c037
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4 changed files with 60 additions and 45 deletions
16
elec/spice/pwm/PWM.net
Normal file
16
elec/spice/pwm/PWM.net
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@ -0,0 +1,16 @@
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* U:\3MIC\s2\BE-CHTI\assembleur\chti23\elec\spice\pwm\PWM.asc
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V1 Compteur 0 PULSE(0 3.3 0 5u 0 0 5u)
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C1 Filtre 0 10n
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R1 Filtre PWM 3.9k
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V2 CompValue 0 SINE(1.65 1 2k)
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B1 PWM 0 V=if(V(CompValue)>V(Compteur),3.3,0)
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;ac dec 100 1 10meg
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.tran 0 1.5m 0 0.01u
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* Compteur de l'unité Timer
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* Partie PWM de l'unité Timer
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* TIMER3
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* PB0
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* Chanel 3
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* STM32F103
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.backanno
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.end
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@ -28,42 +28,26 @@ SortieSon dcw 0
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CallbackSon proc
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;; 1. Il faut pouvoir utiliser SortieSon comme index d'iteration dans le tableau bruitverre
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push {r4,r5,r6,r7}
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ldr r7,=SortieSon
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ldr r1,=LongueurSon
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ldr r2,=Son
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mov r3,#0
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mov r4,#719
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lsr r4,r4,#1
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push {r4,r5,r6}
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ldr r1,=SortieSon ;sortie
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ldr r2,=LongueurSon ;nb de sons
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ldr r3,=Son ;adresse du tableau de sons
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mov r4,#0 ;compteur
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mov r5,#(1<<15) ;registre pour operations
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mov r6,#719 ;sauvegarde de 719
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calcul
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ldrsh r0, [r2,r3,lsl #1]
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;cmp r0,#0x00007FFF
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;bgt calcul_neg
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;faire +32768, ensuite x719, puis diviser par 2^16
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mov r5,#32767
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udiv r6,r5,r4
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mul r0,r6
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add r0,r4
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str r0,[r7]
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add r3,#1
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cmp r1,r3
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bne calcul
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bl fin
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calcul_neg
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mov r5,#32768
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udiv r6,r4,r5
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mul r0,r6
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sub r0,r4
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lsl r5,r0,#1
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sub r0,r5
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str r0,[r7]
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add r3,#1
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cmp r1,r3
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ldrsh r0, [r3,r4,lsl #1]
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;faire +32768, ensuite x719, puis diviser par 2^16
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add r0,r5
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mul r0,r0,r6
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lsr r0,#16
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str r0,[r1]
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add r4,#1
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cmp r2,r4
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bne calcul
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fin
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pop {r4,r5,r6,r7}
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pop {r4,r5,r6}
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endp
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END
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@ -1,6 +1,7 @@
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#include "DriverJeuLaser.h"
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//#include "../Driver/DriverJeuLaser.inc"
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extern void CallbackSon(void);
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extern int PeriodeSonMicroSec;
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@ -17,9 +18,12 @@ CLOCK_Configure();
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Timer_1234_Init_ff(TIM4, (1/PeriodeSonMicroSec*0.000001) );
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Active_IT_Debordement_Timer( TIM4, 2, CallbackSon );
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//Timer_1234_Init_ff(TIM3, 720 );
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char GPIO_Configure(GPIOB, 0, OUTPUT, ALT_PPULL);
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PWM_Init_ff(TIM3,3,720);
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PWM_Set_Value_TIM3_Ch3(720);
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//============================================================================
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@ -157,9 +157,9 @@
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<Bp>
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<Number>0</Number>
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<Type>0</Type>
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<LineNumber>37</LineNumber>
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<LineNumber>42</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>134220580</Address>
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<Address>134220588</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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@ -168,7 +168,23 @@
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<BreakIfRCount>1</BreakIfRCount>
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<Filename>.\Src\GestionSon.s</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\StepSon\Src/GestionSon.s\37</Expression>
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<Expression>\\StepSon\Src/GestionSon.s\42</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>38</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\GestionSon.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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<WatchWindow1>
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@ -187,17 +203,12 @@
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<WinNumber>1</WinNumber>
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<ItemText>r0</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>r7</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>r7</ItemText>
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<ItemText>r3</ItemText>
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<AccSizeX>0</AccSizeX>
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</Mm>
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</MemoryWindow1>
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@ -271,7 +282,7 @@
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<Wi>
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<IntNumber>0</IntNumber>
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<FirstString>`SortieSon</FirstString>
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<SecondString>FF0000000000000000000000000000000080864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000F03F1000000000000000000000000000000000000000C40A0008</SecondString>
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<SecondString>FF0000000000000000000000000000000078864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000F03F1000000000000000000000000000000000000000C40A0008</SecondString>
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</Wi>
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</LogicAnalyzers>
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<DebugDescription>
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