diff --git a/elec/spice/pwm/PWM.net b/elec/spice/pwm/PWM.net
deleted file mode 100644
index e0b939e..0000000
--- a/elec/spice/pwm/PWM.net
+++ /dev/null
@@ -1,16 +0,0 @@
-* U:\3MIC\s2\BE-CHTI\assembleur\chti23\elec\spice\pwm\PWM.asc
-V1 Compteur 0 PULSE(0 3.3 0 5u 0 0 5u)
-C1 Filtre 0 10n
-R1 Filtre PWM 3.9k
-V2 CompValue 0 SINE(1.65 1 2k)
-B1 PWM 0 V=if(V(CompValue)>V(Compteur),3.3,0)
-;ac dec 100 1 10meg
-.tran 0 1.5m 0 0.01u
-* Compteur de l'unité Timer
-* Partie PWM de l'unité Timer
-* TIMER3
-* PB0
-* Chanel 3
-* STM32F103
-.backanno
-.end
diff --git a/soft/PjtKEIL_StepDeb_2/BacASable.uvoptx b/soft/PjtKEIL_StepDeb_2/BacASable.uvoptx
index 8f59c84..bde3f4b 100644
--- a/soft/PjtKEIL_StepDeb_2/BacASable.uvoptx
+++ b/soft/PjtKEIL_StepDeb_2/BacASable.uvoptx
@@ -75,7 +75,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>1</IsCurrentTarget>
+        <IsCurrentTarget>0</IsCurrentTarget>
       </OPTFL>
       <CpuCode>18</CpuCode>
       <DebugOpt>
@@ -316,7 +316,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>0</IsCurrentTarget>
+        <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
       <CpuCode>18</CpuCode>
       <DebugOpt>
@@ -409,7 +409,7 @@
       <DebugFlag>
         <trace>0</trace>
         <periodic>1</periodic>
-        <aLwin>1</aLwin>
+        <aLwin>0</aLwin>
         <aCover>0</aCover>
         <aSer1>0</aSer1>
         <aSer2>0</aSer2>
diff --git a/soft/PjtKEIL_StepDeb_2/BacASable.uvprojx b/soft/PjtKEIL_StepDeb_2/BacASable.uvprojx
index e77bfc6..f01d9e2 100644
--- a/soft/PjtKEIL_StepDeb_2/BacASable.uvprojx
+++ b/soft/PjtKEIL_StepDeb_2/BacASable.uvprojx
@@ -424,7 +424,7 @@
       <TargetName>CibleSondeKEIL</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>5060750::V5.06 update 6 (build 750)::.\ARMCC</pCCUsed>
+      <pCCUsed>5060960::V5.06 update 7 (build 960)::.\ARMCC</pCCUsed>
       <uAC6>0</uAC6>
       <TargetOption>
         <TargetCommonOption>
diff --git a/soft/PjtKEIL_StepSon/Src/GestionSon.s b/soft/PjtKEIL_StepSon/Src/GestionSon.s
index bb3b731..fe51332 100644
--- a/soft/PjtKEIL_StepSon/Src/GestionSon.s
+++ b/soft/PjtKEIL_StepSon/Src/GestionSon.s
@@ -3,7 +3,7 @@
 	IMPORT LongueurSon
 	IMPORT PeriodeSonMicroSec
 	IMPORT Son
-		
+	IMPORT PWM_Set_Value_TIM3_Ch3
 	EXPORT CallbackSon
 
 ; ====================== zone de réservation de données,  ======================================
@@ -15,7 +15,8 @@
 	area    maram,data,readwrite
 		
 SortieSon	dcw 0
-
+Index dcd 0
+	
 	EXPORT SortieSon
 ; ===============================================================================================
 	
@@ -24,19 +25,25 @@ SortieSon	dcw 0
 		
 ;Section ROM code (read only) :		
 	area    moncode,code,readonly
-; écrire le code ici		
+; écrire le code ici	
+
 
 CallbackSon proc
 	;; 1. Il faut pouvoir utiliser SortieSon comme index d'iteration dans le tableau bruitverre
-	push {r4,r5,r6}
+	push {r4,r5,r6,r7,lr}
 	ldr r1,=SortieSon 		;sortie
-	ldr r2,=LongueurSon 	;nb de sons
+	ldr r2,=LongueurSon		;nb de sons
+	ldr r2,[r2]
 	ldr r3,=Son 			;adresse du tableau de sons
-	mov r4,#0 				;compteur
+	ldr r7,=Index 			
+	ldr r4,[r7]				;compteur
+	cmp r4,r2
+	moveq r4,#0
 	mov r5,#(1<<15) 		;registre pour operations
 	mov r6,#719				;sauvegarde de 719
 	
 calcul
+	
 	ldrsh r0, [r3,r4,lsl #1]
 	;faire +32768, ensuite x719, puis diviser par 2^16
 	add r0,r5
@@ -44,10 +51,16 @@ calcul
 	lsr r0,#16
 	str r0,[r1]
 	add r4,#1
-	cmp r2,r4
-	bne calcul
+	str r4,[r7]
+	push {r1,r2,r3}
+	bl PWM_Set_Value_TIM3_Ch3
+	pop {r1,r2,r3}
+	;add r4,#1
+	;cmp r2,r4
+	;bne calcul
 
-	pop {r4,r5,r6}
+	pop {r4,r5,r6,r7,lr}
+	bx lr
 	endp 
 		
 	END	
\ No newline at end of file
diff --git a/soft/PjtKEIL_StepSon/Src/principal.c b/soft/PjtKEIL_StepSon/Src/principal.c
index 4cd54f3..395a26e 100644
--- a/soft/PjtKEIL_StepSon/Src/principal.c
+++ b/soft/PjtKEIL_StepSon/Src/principal.c
@@ -6,6 +6,7 @@ extern void CallbackSon(void);
 extern int PeriodeSonMicroSec;
 
 
+
 int main(void)
 {
 
@@ -16,15 +17,16 @@ int main(void)
 // Après exécution : le coeur CPU est clocké à 72MHz ainsi que tous les timers
 CLOCK_Configure();
 
-Timer_1234_Init_ff(TIM4, (1/PeriodeSonMicroSec*0.000001) );
+PWM_Init_ff(TIM3, 3, 720);
+GPIO_Configure(GPIOB, 0, OUTPUT, ALT_PPULL);
+	
+Timer_1234_Init_ff(TIM4, 91*72);
 Active_IT_Debordement_Timer( TIM4, 2, CallbackSon );
 	
-//Timer_1234_Init_ff(TIM3, 720 );
-char GPIO_Configure(GPIOB, 0, OUTPUT, ALT_PPULL);
-PWM_Init_ff(TIM3,3,720);
-PWM_Set_Value_TIM3_Ch3(720);
+	
 
 
+	
 //============================================================================	
 	
 	
diff --git a/soft/PjtKEIL_StepSon/StepSon.uvoptx b/soft/PjtKEIL_StepSon/StepSon.uvoptx
index 608ab4e..a0a2757 100644
--- a/soft/PjtKEIL_StepSon/StepSon.uvoptx
+++ b/soft/PjtKEIL_StepSon/StepSon.uvoptx
@@ -75,7 +75,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>1</IsCurrentTarget>
+        <IsCurrentTarget>0</IsCurrentTarget>
       </OPTFL>
       <CpuCode>18</CpuCode>
       <DebugOpt>
@@ -153,40 +153,7 @@
           <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>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint>
-        <Bp>
-          <Number>0</Number>
-          <Type>0</Type>
-          <LineNumber>42</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>134220588</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>1</BreakIfRCount>
-          <Filename>.\Src\GestionSon.s</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression>\\StepSon\Src/GestionSon.s\42</Expression>
-        </Bp>
-        <Bp>
-          <Number>1</Number>
-          <Type>0</Type>
-          <LineNumber>38</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>0</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>0</BreakIfRCount>
-          <Filename>.\Src\GestionSon.s</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression></Expression>
-        </Bp>
-      </Breakpoint>
+      <Breakpoint/>
       <WatchWindow1>
         <Ww>
           <count>0</count>
@@ -196,19 +163,29 @@
         <Ww>
           <count>1</count>
           <WinNumber>1</WinNumber>
-          <ItemText>r3</ItemText>
+          <ItemText>r0</ItemText>
         </Ww>
         <Ww>
           <count>2</count>
           <WinNumber>1</WinNumber>
-          <ItemText>r0</ItemText>
+          <ItemText>(portb &amp; 0x00000001)</ItemText>
+        </Ww>
+        <Ww>
+          <count>3</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>r4</ItemText>
+        </Ww>
+        <Ww>
+          <count>4</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>Index</ItemText>
         </Ww>
       </WatchWindow1>
       <MemoryWindow1>
         <Mm>
           <WinNumber>1</WinNumber>
-          <SubType>0</SubType>
-          <ItemText>r3</ItemText>
+          <SubType>265</SubType>
+          <ItemText>0x200000A2</ItemText>
           <AccSizeX>0</AccSizeX>
         </Mm>
       </MemoryWindow1>
@@ -282,7 +259,12 @@
         <Wi>
           <IntNumber>0</IntNumber>
           <FirstString>`SortieSon</FirstString>
-          <SecondString>FF0000000000000000000000000000000078864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000F03F1000000000000000000000000000000000000000C40A0008</SecondString>
+          <SecondString>FF0000000000000000000000000000000078864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000E03F1400000000000000000000000000000000000000C40A0008</SecondString>
+        </Wi>
+        <Wi>
+          <IntNumber>1</IntNumber>
+          <FirstString>((portb &amp; 0x00000001) &amp; 0x1) &gt;&gt; 0</FirstString>
+          <SecondString>00008000000000000000000000000000E0FFEF400100000000000000000000000000000028706F72746220262030783030303030303031290000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000002000000FFFFFFFFFFFFDF3F1400000000000000000000000000000000000000D20A0008</SecondString>
         </Wi>
       </LogicAnalyzers>
       <DebugDescription>
@@ -349,7 +331,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>0</IsCurrentTarget>
+        <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
       <CpuCode>18</CpuCode>
       <DebugOpt>
@@ -428,6 +410,13 @@
         </SetRegEntry>
       </TargetDriverDllRegistry>
       <Breakpoint/>
+      <WatchWindow1>
+        <Ww>
+          <count>0</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>r0</ItemText>
+        </Ww>
+      </WatchWindow1>
       <MemoryWindow1>
         <Mm>
           <WinNumber>1</WinNumber>
@@ -436,6 +425,30 @@
           <AccSizeX>0</AccSizeX>
         </Mm>
       </MemoryWindow1>
+      <MemoryWindow2>
+        <Mm>
+          <WinNumber>2</WinNumber>
+          <SubType>0</SubType>
+          <ItemText>r6</ItemText>
+          <AccSizeX>0</AccSizeX>
+        </Mm>
+      </MemoryWindow2>
+      <MemoryWindow3>
+        <Mm>
+          <WinNumber>3</WinNumber>
+          <SubType>0</SubType>
+          <ItemText>r4</ItemText>
+          <AccSizeX>0</AccSizeX>
+        </Mm>
+      </MemoryWindow3>
+      <MemoryWindow4>
+        <Mm>
+          <WinNumber>4</WinNumber>
+          <SubType>0</SubType>
+          <ItemText>r5</ItemText>
+          <AccSizeX>0</AccSizeX>
+        </Mm>
+      </MemoryWindow4>
       <Tracepoint>
         <THDelay>0</THDelay>
       </Tracepoint>
@@ -456,7 +469,7 @@
         <AscS3>0</AscS3>
         <aSer3>0</aSer3>
         <eProf>0</eProf>
-        <aLa>0</aLa>
+        <aLa>1</aLa>
         <aPa1>0</aPa1>
         <AscS4>0</AscS4>
         <aSer4>0</aSer4>
@@ -746,6 +759,18 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>3</GroupNumber>
+      <FileNumber>4</FileNumber>
+      <FileType>5</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\Driver\DriverJeuLaser.inc</PathWithFileName>
+      <FilenameWithoutPath>DriverJeuLaser.inc</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
@@ -756,7 +781,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>4</FileNumber>
+      <FileNumber>5</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -768,7 +793,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>5</FileNumber>
+      <FileNumber>6</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
diff --git a/soft/PjtKEIL_StepSon/StepSon.uvprojx b/soft/PjtKEIL_StepSon/StepSon.uvprojx
index 2849fe6..3144de9 100644
--- a/soft/PjtKEIL_StepSon/StepSon.uvprojx
+++ b/soft/PjtKEIL_StepSon/StepSon.uvprojx
@@ -408,6 +408,11 @@
               <FileType>4</FileType>
               <FilePath>.\Driver\DriverJeuLaser.lib</FilePath>
             </File>
+            <File>
+              <FileName>DriverJeuLaser.inc</FileName>
+              <FileType>5</FileType>
+              <FilePath>.\Driver\DriverJeuLaser.inc</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -434,7 +439,7 @@
       <TargetName>CibleSondeKEIL</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>5060750::V5.06 update 6 (build 750)::.\ARMCC</pCCUsed>
+      <pCCUsed>5060960::V5.06 update 7 (build 960)::.\ARMCC</pCCUsed>
       <uAC6>0</uAC6>
       <TargetOption>
         <TargetCommonOption>
@@ -832,6 +837,11 @@
               <FileType>4</FileType>
               <FilePath>.\Driver\DriverJeuLaser.lib</FilePath>
             </File>
+            <File>
+              <FileName>DriverJeuLaser.inc</FileName>
+              <FileType>5</FileType>
+              <FilePath>.\Driver\DriverJeuLaser.inc</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -1325,6 +1335,11 @@
               <FileType>4</FileType>
               <FilePath>.\Driver\DriverJeuLaser.lib</FilePath>
             </File>
+            <File>
+              <FileName>DriverJeuLaser.inc</FileName>
+              <FileType>5</FileType>
+              <FilePath>.\Driver\DriverJeuLaser.inc</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>