diff --git a/soft/PjtKEIL_StepSon/Src/GestionSon.s b/soft/PjtKEIL_StepSon/Src/GestionSon.s
index a81ce4c..283f96d 100644
--- a/soft/PjtKEIL_StepSon/Src/GestionSon.s
+++ b/soft/PjtKEIL_StepSon/Src/GestionSon.s
@@ -1,3 +1,5 @@
+	import PWM_Set_Value_TIM3_Ch3
+		
 	PRESERVE8
 	THUMB   
 	
@@ -15,6 +17,7 @@
 	area    maram,data,readwrite
 		
 
+
 SortieSon dcw 0
 Index dcw 0
 
@@ -45,19 +48,26 @@ timer_callback_son proc
 	cmp r0, r1
 	beq fin
 	
+	
 	ldr r3,=SortieSon
 	ldr r2,=Son
 	
 	ldrsh r1,[r2,r0, lsl #1]
-	add r1,#32768
+	add r1,#32768 ; (1<<16)
 	mov r2, #720
 	mul r1,r2
 	asr r1,#16
 	
-	str r1, [r3]
 	
 	
-	mov r3, r0
+	mov r4, r0
+	mov r0, r1
+	bl PWM_Set_Value_TIM3_Ch3
+	;str r1, [r3] ;Mise à jour sortie son pas PWM
+	str r0, [r3] ;Mise à jour sortie son PWM
+	mov r0, r4
+	
+ 	mov r3, r0
 	add r3, #1
 	str r3, [r4]
 	
diff --git a/soft/PjtKEIL_StepSon/Src/principal.c b/soft/PjtKEIL_StepSon/Src/principal.c
index 23f8b08..02cdac4 100644
--- a/soft/PjtKEIL_StepSon/Src/principal.c
+++ b/soft/PjtKEIL_StepSon/Src/principal.c
@@ -1,5 +1,3 @@
-
-
 #include "DriverJeuLaser.h"
 
 extern void timer_callback_son(void);
@@ -17,6 +15,19 @@ CLOCK_Configure();
 // configuration du Timer 4 en débordement 91 microsecondes
 	
 	Timer_1234_Init_ff( TIM4, 91*72);
+	Timer_1234_Init_ff( TIM3, 91*72);
+
+	int Periode_ticks = 720;
+	
+	PWM_Init_ff(TIM3, 3, Periode_ticks);
+	
+	/* Calcul fPWM */
+	int fPWM ;
+	fPWM = (1/Periode_ticks)*72000000 ;
+	
+	GPIO_Configure(GPIOB, 0, OUTPUT, ALT_PPULL);
+
+	
 	
 	Active_IT_Debordement_Timer( TIM4, 2, timer_callback_son );
 
diff --git a/soft/PjtKEIL_StepSon/StepSon.uvoptx b/soft/PjtKEIL_StepSon/StepSon.uvoptx
index a6f7da5..486c71c 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>
@@ -154,11 +154,18 @@
         </SetRegEntry>
       </TargetDriverDllRegistry>
       <Breakpoint/>
+      <WatchWindow1>
+        <Ww>
+          <count>0</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>SortieSon</ItemText>
+        </Ww>
+      </WatchWindow1>
       <MemoryWindow1>
         <Mm>
           <WinNumber>1</WinNumber>
           <SubType>265</SubType>
-          <ItemText>r3</ItemText>
+          <ItemText>&amp;SortieSon</ItemText>
           <AccSizeX>0</AccSizeX>
         </Mm>
       </MemoryWindow1>
@@ -207,8 +214,8 @@
       <LogicAnalyzers>
         <Wi>
           <IntNumber>0</IntNumber>
-          <FirstString>`SortieSon</FirstString>
-          <SecondString>008000000000000000000000000000000080864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000F00000001000000000000000000F03F0D00000000000000000000000000000000000000AE080008</SecondString>
+          <FirstString>(SortieSon &amp; 0xFFFF) &gt;&gt; 0</FirstString>
+          <SecondString>008000000000000000000000000000000000894000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000F03F1400000000000000000000000000000000000000AE080008</SecondString>
         </Wi>
       </LogicAnalyzers>
       <DebugDescription>
@@ -275,7 +282,7 @@
       <OPTFL>
         <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
-        <IsCurrentTarget>0</IsCurrentTarget>
+        <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
       <CpuCode>18</CpuCode>
       <DebugOpt>
@@ -382,7 +389,7 @@
         <AscS3>0</AscS3>
         <aSer3>0</aSer3>
         <eProf>0</eProf>
-        <aLa>0</aLa>
+        <aLa>1</aLa>
         <aPa1>0</aPa1>
         <AscS4>0</AscS4>
         <aSer4>0</aSer4>
@@ -672,6 +679,18 @@
       <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>
@@ -682,7 +701,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>4</FileNumber>
+      <FileNumber>5</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -694,7 +713,7 @@
     </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 8e2853b..7a3fdbf 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>