diff --git a/MyDrivers/MySysTick.c b/MyDrivers/MySysTick.c
new file mode 100644
index 0000000..0db6e80
--- /dev/null
+++ b/MyDrivers/MySysTick.c
@@ -0,0 +1,43 @@
+#include "MySysTick.h"
+
+#include "stm32f1xx_ll_bus.h" // Pour l'activation des horloges
+#include "stm32f1xx_ll_cortex.h"
+
+
+void (*Ptr_ItFct_SysTick)(void); 
+
+void MySysTick_Conf(uint32_t ticks) {
+	
+	SysTick_Config(ticks);
+	
+	MySysTick_IT_Disable();
+	
+}
+
+void MySysTick_IT_Conf (void (*IT_function)(void), int Prio) {
+	
+	//Affectation de la fonction du handler
+	Ptr_ItFct_SysTick = IT_function;
+	
+	//Désactivation des IT
+	LL_SYSTICK_DisableIT();
+	
+	//Configuration du NVIC
+	NVIC_SetPriority(SysTick_IRQn, Prio);
+	NVIC_EnableIRQ(SysTick_IRQn);
+	
+}
+
+void MySysTick_IT_Enable (void) {
+	LL_SYSTICK_EnableIT();
+}
+
+void MySysTick_IT_Disable (void) {
+	LL_SYSTICK_DisableIT();
+}
+
+/*========Handler d'IT==========*/
+
+void SysTick_Handler (void) {
+	(*Ptr_ItFct_SysTick)();
+}
diff --git a/MyDrivers/MySysTick.h b/MyDrivers/MySysTick.h
new file mode 100644
index 0000000..b87a943
--- /dev/null
+++ b/MyDrivers/MySysTick.h
@@ -0,0 +1,15 @@
+#ifndef MY_SYSTICK_H
+#define MY_SYSTICK_H
+
+#include "stm32f103xb.h"
+
+	
+	void MySysTick_Conf(uint32_t ticks);
+	
+	void MySysTick_IT_Conf (void (*IT_function)(void), int Prio);
+	
+	void MySysTick_IT_Enable (void);
+	
+	void MySysTick_IT_Disable (void);
+
+#endif
diff --git a/Src/main.c b/Src/main.c
index 6861ae4..ad2191e 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -23,6 +23,9 @@
 #include "MyTimer.h"
 #include "MyPWM.h"
 #include "MyRF.h"
+#include "Moteur.h"
+#include "MySysTick.h"
+#include <stdio.h>
 
 void  SystemClock_Config(void);
 
@@ -35,11 +38,19 @@ void  SystemClock_Config(void);
   */
 	
 
+
+void test (void) {
+	printf("ok");
+}
+
 int main(void)
 {
   /* Configure the system clock to 72 MHz */
   SystemClock_Config();
 	
+	MySysTick_Conf(0xAFC80);
+	MySysTick_IT_Conf(test,3);
+	MySysTick_IT_Enable();
 	MyRF_Conf();
 	
 	for(int i=0; i<0xCFFF; i++) {
@@ -57,8 +68,6 @@ int main(void)
 
 
 
-
-
 /**
   * @brief  System Clock Configuration
   *         The system Clock is configured as follow :
@@ -81,7 +90,7 @@ void SystemClock_Config(void)
 
   /* Enable HSE oscillator */
 	// ********* Commenter la ligne ci-dessous pour MCBSTM32 *****************
-	// ********* Conserver la ligne si Nucléo*********************************
+	// ********* Conserver la ligne si Nucl�o*********************************
   LL_RCC_HSE_EnableBypass();
   LL_RCC_HSE_Enable();
   while(LL_RCC_HSE_IsReady() != 1)