diff --git a/soft/PjtKEIL_StepSon/Src/GestionSon.s b/soft/PjtKEIL_StepSon/Src/GestionSon.s
index e3074a2..446bf2c 100644
--- a/soft/PjtKEIL_StepSon/Src/GestionSon.s
+++ b/soft/PjtKEIL_StepSon/Src/GestionSon.s
@@ -2,6 +2,7 @@
 	THUMB   
 	
 	export CallbackSon
+	export StartSon
 	include DriverJeuLaser.inc
 		
 
@@ -77,4 +78,15 @@ ret
 		
 	endp
 		
+StartSon proc
+	
+	ldr r0,=index ; @ index
+	ldr r1,[r0]
+	mov r1,#0
+	str r1,[r0]
+	
+	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 9b24aa7..6207fc0 100644
--- a/soft/PjtKEIL_StepSon/Src/principal.c
+++ b/soft/PjtKEIL_StepSon/Src/principal.c
@@ -3,6 +3,8 @@
 #include "DriverJeuLaser.h"
 
 extern void CallbackSon(void);
+extern void StartSon(void);
+
 
 int main(void)
 {
@@ -15,18 +17,24 @@ int main(void)
 CLOCK_Configure();
 
 double tick=91*72;
+	
 Timer_1234_Init_ff(TIM4,tick);
 	
 Active_IT_Debordement_Timer( TIM4, 2, CallbackSon );
 
 PWM_Init_ff( TIM3, 3, 720);
 GPIO_Configure(GPIOB, 0, OUTPUT, ALT_PPULL);
+	
+Systick_Period_ff( 100*72 );
+
 
 //============================================================================	
 	
 	
 while	(1)
 	{
+		Systick_Prio_IT( 1, StartSon );
+		
 	}
 }
 
diff --git a/soft/PjtKEIL_StepSon/StepSon.uvoptx b/soft/PjtKEIL_StepSon/StepSon.uvoptx
index 01dbf4d..6f5d82e 100644
--- a/soft/PjtKEIL_StepSon/StepSon.uvoptx
+++ b/soft/PjtKEIL_StepSon/StepSon.uvoptx
@@ -153,24 +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>57</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>134220678</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\57</Expression>
-        </Bp>
-      </Breakpoint>
+      <Breakpoint/>
       <WatchWindow1>
         <Ww>
           <count>0</count>
@@ -182,7 +165,7 @@
         <Mm>
           <WinNumber>1</WinNumber>
           <SubType>265</SubType>
-          <ItemText>R0</ItemText>
+          <ItemText>0x200000A4</ItemText>
           <AccSizeX>0</AccSizeX>
         </Mm>
       </MemoryWindow1>
@@ -232,12 +215,12 @@
         <Wi>
           <IntNumber>0</IntNumber>
           <FirstString>`SortieSon</FirstString>
-          <SecondString>FF0000000000000000000000000000000050824000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000000000000000000E03F0C00000000000000000000000000000000000000E8080008</SecondString>
+          <SecondString>FF0000000000000000000000000000000050824000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000000000000000000E03F1500000000000000000000000000000000000000E8080008</SecondString>
         </Wi>
         <Wi>
           <IntNumber>1</IntNumber>
           <FirstString>((portb &amp; 0x00000001) &amp; 0x1) &gt;&gt; 0</FirstString>
-          <SecondString>00800000000000000000000000000000E0FFEF400100000000000000000000000000000028706F72746220262030783030303030303031290000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000002000000000000000000E03F0C00000000000000000000000000000000000000080B0008</SecondString>
+          <SecondString>00800000000000000000000000000000E0FFEF400100000000000000000000000000000028706F72746220262030783030303030303031290000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000002000000000000000000E03F1500000000000000000000000000000000000000080B0008</SecondString>
         </Wi>
       </LogicAnalyzers>
       <DebugDescription>
@@ -383,11 +366,18 @@
         </SetRegEntry>
       </TargetDriverDllRegistry>
       <Breakpoint/>
+      <WatchWindow1>
+        <Ww>
+          <count>0</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>SortieSon,0x0A</ItemText>
+        </Ww>
+      </WatchWindow1>
       <MemoryWindow1>
         <Mm>
           <WinNumber>1</WinNumber>
-          <SubType>257</SubType>
-          <ItemText>r0</ItemText>
+          <SubType>265</SubType>
+          <ItemText>0x08000BD8</ItemText>
           <AccSizeX>0</AccSizeX>
         </Mm>
       </MemoryWindow1>
@@ -411,7 +401,7 @@
         <AscS3>0</AscS3>
         <aSer3>0</aSer3>
         <eProf>0</eProf>
-        <aLa>0</aLa>
+        <aLa>1</aLa>
         <aPa1>0</aPa1>
         <AscS4>0</AscS4>
         <aSer4>0</aSer4>
diff --git a/soft/PjtKEIL_StepSon/StepSon.uvprojx b/soft/PjtKEIL_StepSon/StepSon.uvprojx
index b34880e..3902e1a 100644
--- a/soft/PjtKEIL_StepSon/StepSon.uvprojx
+++ b/soft/PjtKEIL_StepSon/StepSon.uvprojx
@@ -434,7 +434,7 @@
       <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>
@@ -781,7 +781,7 @@
               <MiscControls></MiscControls>
               <Define></Define>
               <Undefine></Undefine>
-              <IncludePath></IncludePath>
+              <IncludePath>.\Driver</IncludePath>
             </VariousControls>
           </Aads>
           <LDads>