diff --git a/ProjetsKEIL/Drivers/Driver_timers.c b/ProjetsKEIL/Drivers/Driver_timers.c
new file mode 100644
index 0000000..fef84af
--- /dev/null
+++ b/ProjetsKEIL/Drivers/Driver_timers.c
@@ -0,0 +1,29 @@
+#include "Driver_timers.h"
+
+
+
+void timer_init(MyTimer_Struct_TypeDef * Timer){
+		if(Timer->Timer == TIM1){
+			RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;
+		}
+		if(Timer->Timer == TIM2){
+			RCC->APB1ENR |= RCC_APB1ENR_TIM2EN;
+		}
+		if(Timer->Timer == TIM3){
+			RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
+		}
+		if(Timer->Timer == TIM4){
+			RCC->APB1ENR |= RCC_APB1ENR_TIM4EN;
+		}
+}
+
+
+void MyTimer_Start(MyTimer_Struct_TypeDef *Timer)
+{
+    Timer->Timer->CR1 |= TIM_CR1_CEN; // Démarre le Timer
+}
+
+void MyTimer_Stop(MyTimer_Struct_TypeDef *Timer)
+{
+    Timer->Timer->CR1 &= ~TIM_CR1_CEN; // Arrête le Timer
+}
\ No newline at end of file
diff --git a/ProjetsKEIL/Drivers/Driver_timers.h b/ProjetsKEIL/Drivers/Driver_timers.h
new file mode 100644
index 0000000..4e69fbc
--- /dev/null
+++ b/ProjetsKEIL/Drivers/Driver_timers.h
@@ -0,0 +1,25 @@
+#ifndef MYTIMER_H
+#define MYTIMER_H
+
+#include "stm32f10x.h"
+
+
+typedef struct
+{
+    TIM_TypeDef * Timer;
+    unsigned short ARR;
+    unsigned short PSC;
+} MyTimer_Struct_TypeDef;
+
+
+void MyTimer_Base_Init(MyTimer_Struct_TypeDef * Timer);
+void timer_init(MyTimer_Struct_TypeDef * Timer);
+void MyTimer_Start(MyTimer_Struct_TypeDef *Timer);
+void MyTimer_Stop(MyTimer_Struct_TypeDef *Timer);
+
+
+
+#define MyTimer_Base_Start(Timer)
+#define MyTimer_Base_Stop(Timer)
+
+#endif
\ No newline at end of file
diff --git a/ProjetsKEIL/Projet_1/Src/Principal.c b/ProjetsKEIL/Projet_1/Src/Principal.c
index 83f5588..18b8f3e 100644
--- a/ProjetsKEIL/Projet_1/Src/Principal.c
+++ b/ProjetsKEIL/Projet_1/Src/Principal.c
@@ -1,15 +1,17 @@
 #include "stm32f10x.h"
 #include "Driver_GPIO.h"
+#include "Driver_timers.h"
+
 
 
 // PA5 LED
 // PC13 BP
 
 MyGPIO_Struct_TypeDef LED;
+MyTimer_Struct_TypeDef Timer_500ms;
 
 int delay(){
-	int i;
-	for(i=0;i<1000000;i++);	
+
 }
 
 
@@ -30,17 +32,25 @@ int main ( void )
 	MyGPIO_Init(&LED);
 	
 
-
-
+	
+	Timer_500ms.Timer = TIM2;
+	Timer_500ms.PSC = 7200; //(1/72Mhz)/7200=0.1ms
+	Timer_500ms.ARR = 5000; //0.1*5000 = 500ms
+	timer_init(&Timer_500ms);
+	MyTimer_Start(&Timer_500ms);
+	
 	
 	while(1)
 	{
 		
-		if(MyGPIO_Read(GPIOC, 13) == 0)
-		{
-			MyGPIO_Toggle(GPIOA, 5);
-			delay();
-		}
+			//if(MyGPIO_Read(GPIOC, 13) == 0)
+		//{
+			MyGPIO_Set(GPIOA, 5);
+			while(Timer_500ms.Timer->CNT != Timer_500ms.ARR -1);	//CNT registre qui gère le retour à 0
+			MyGPIO_Reset(GPIOA, 5);
+			while(Timer_500ms.Timer->CNT != Timer_500ms.ARR -1); 
+		//}
 	}
 	
+	
 }
diff --git a/ProjetsKEIL/Projet_1/TP.uvoptx b/ProjetsKEIL/Projet_1/TP.uvoptx
index 53076ed..5faec1b 100644
--- a/ProjetsKEIL/Projet_1/TP.uvoptx
+++ b/ProjetsKEIL/Projet_1/TP.uvoptx
@@ -290,7 +290,7 @@
         <SetRegEntry>
           <Number>0</Number>
           <Key>DLGTARM</Key>
-          <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(100=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(111=-1,-1,-1,-1,0)(1011=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(120=703,344,1124,749,0)(121=931,445,1352,850,0)(122=409,446,830,851,0)(123=-1,-1,-1,-1,0)(140=-1,-1,-1,-1,0)(240=-1,-1,-1,-1,0)(190=-1,-1,-1,-1,0)(200=-1,-1,-1,-1,0)(170=-1,-1,-1,-1,0)(130=-1,-1,-1,-1,0)(131=-1,-1,-1,-1,0)(132=-1,-1,-1,-1,0)(133=-1,-1,-1,-1,0)(160=-1,-1,-1,-1,0)(161=-1,-1,-1,-1,0)(162=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(211=-1,-1,-1,-1,0)(220=-1,-1,-1,-1,0)(221=-1,-1,-1,-1,0)(230=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(151=-1,-1,-1,-1,0)</Name>
+          <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(100=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(111=-1,-1,-1,-1,0)(1011=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(120=703,344,1124,749,0)(121=931,445,1352,850,0)(122=409,446,830,851,0)(123=-1,-1,-1,-1,0)(140=-1,-1,-1,-1,0)(240=-1,-1,-1,-1,0)(190=-1,-1,-1,-1,0)(200=-1,-1,-1,-1,0)(170=-1,-1,-1,-1,0)(130=-1,-1,-1,-1,0)(131=872,142,1466,836,0)(132=-1,-1,-1,-1,0)(133=-1,-1,-1,-1,0)(160=-1,-1,-1,-1,0)(161=-1,-1,-1,-1,0)(162=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(211=-1,-1,-1,-1,0)(220=-1,-1,-1,-1,0)(221=-1,-1,-1,-1,0)(230=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(151=-1,-1,-1,-1,0)</Name>
         </SetRegEntry>
         <SetRegEntry>
           <Number>0</Number>
@@ -414,6 +414,18 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>2</GroupNumber>
+      <FileNumber>3</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\Drivers\Driver_timers.c</PathWithFileName>
+      <FilenameWithoutPath>Driver_timers.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
diff --git a/ProjetsKEIL/Projet_1/TP.uvprojx b/ProjetsKEIL/Projet_1/TP.uvprojx
index 50593f0..793c2a7 100644
--- a/ProjetsKEIL/Projet_1/TP.uvprojx
+++ b/ProjetsKEIL/Projet_1/TP.uvprojx
@@ -398,6 +398,11 @@
               <FileType>1</FileType>
               <FilePath>..\Drivers\Driver_GPIO.c</FilePath>
             </File>
+            <File>
+              <FileName>Driver_timers.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Drivers\Driver_timers.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -800,6 +805,11 @@
               <FileType>1</FileType>
               <FilePath>..\Drivers\Driver_GPIO.c</FilePath>
             </File>
+            <File>
+              <FileName>Driver_timers.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Drivers\Driver_timers.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>