diff --git a/ProjetsKEIL/Drivers/timerdriver.c b/ProjetsKEIL/Drivers/timerdriver.c
index c87aa10..75a8721 100644
--- a/ProjetsKEIL/Drivers/timerdriver.c
+++ b/ProjetsKEIL/Drivers/timerdriver.c
@@ -88,23 +88,26 @@ void TIM1_CC_IRQHandler(void)
 {
 	if (pFnc != 0)
 	(*pFnc) (); /* appel indirect de la fonction */
+	TIM1->SR &= ~(0x1<<UIF);//reset flag
 }
 
 void TIM2_IRQHandler(void)
 {
 	if (pFnc != 0)
 	(*pFnc) (); /* appel indirect de la fonction */
-	TIM2->SR &= ~(0x1<<UIF);
+	TIM2->SR &= ~(0x1<<UIF);//reset flag
 }
 
 void TIM3_IRQHandler(void)
 {
 	if (pFnc != 0)
 	(*pFnc) (); /* appel indirect de la fonction */
+	TIM3->SR &= ~(0x1<<UIF);//reset flag
 }
 
 void TIM4_IRQHandler(void)
 {
 	if (pFnc != 0)
 	(*pFnc) (); /* appel indirect de la fonction */
+	TIM4->SR &= ~(0x1<<UIF);//reset flag
 }
diff --git a/ProjetsKEIL/timer_interruption/timer_interruption.uvoptx b/ProjetsKEIL/timer_interruption/timer_interruption.uvoptx
index 9e6c2e1..f87b095 100644
--- a/ProjetsKEIL/timer_interruption/timer_interruption.uvoptx
+++ b/ProjetsKEIL/timer_interruption/timer_interruption.uvoptx
@@ -335,24 +335,7 @@
           <Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0STM32F10x_128 -FS08000000 -FL020000 -FP0($$Device:STM32F103RB$Flash\STM32F10x_128.FLM))</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint>
-        <Bp>
-          <Number>0</Number>
-          <Type>0</Type>
-          <LineNumber>6</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>.\Source\Principale.c</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression></Expression>
-        </Bp>
-      </Breakpoint>
+      <Breakpoint/>
       <WatchWindow1>
         <Ww>
           <count>0</count>