diff --git a/ProjetsKEIL/Drivers/adcdriver.c b/ProjetsKEIL/Drivers/adcdriver.c
index 603eea0..4c6320d 100644
--- a/ProjetsKEIL/Drivers/adcdriver.c
+++ b/ProjetsKEIL/Drivers/adcdriver.c
@@ -1,5 +1,12 @@
 #include "adcdriver.h"
 
+void (* pFncADC) (void); /* déclaration d’un pointeur de fonction */
+
+void MyADC_Init_Periph (void (* ptrFonction)(void))
+{
+	pFncADC = ptrFonction; /* affectation du pointeur */
+}
+
 void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr)
 {
 	RCC->CFGR |= RCC_CFGR_ADCPRE_1;			// ADC Prescaler : divided by 6 -> 72MHz to 12MHz
@@ -18,16 +25,20 @@ void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr)
 	ADCStructPtr->ADC->CR2 |= ADC_CR2_EXTSEL;					//Event externe choisie : SWSTART
 	MyADC_ActiveIT(ADCStructPtr->ADC,0);
 	ADCStructPtr->ADC->CR2 |= ADC_CR2_ADON;						//Init l'ADC
-}
-
-void MyADC_Start (ADC_TypeDef * ADC)
-{
-	ADC->CR2 |= ADC_CR2_SWSTART;	//Start Conversion of regular channels
+	MyADC_Base_Start(ADCStructPtr->ADC);							//Debut du premier ADC
 }
 
 void MyADC_ActiveIT(ADC_TypeDef * ADC, uint8_t Prio)
 {
-	ADC->CR1 |= ADC_CR1_EOCIE; 								//Interruption active
+	ADC->CR1 |= ADC_CR1_EOCIE; 									//Interruption active
 	NVIC->IP[ADC1_2_IRQn] |= (Prio << 0x4);			//Prio de l'interruption (p.197 manuel reference RM0008 pour ADC1_IRQn)
 	NVIC->ISER[0] |= (0x1<<ADC1_2_IRQn);				//Active l'interruption au niveau NVIC  (p.119 manuel programming pour ISER[0])
 }
+
+void ADC1_2_IRQHandler(void)
+{
+	if (pFncADC != 0)
+	(*pFncADC) (); /* appel indirect de la fonction */
+	MyADC_Base_Start(ADC1);
+	ADC1->SR &= ~ADC_SR_EOC;	//Prochaine lecture pouvant être effectuée.
+}
\ No newline at end of file
diff --git a/ProjetsKEIL/Drivers/adcdriver.h b/ProjetsKEIL/Drivers/adcdriver.h
index 4e66665..98fb2e2 100644
--- a/ProjetsKEIL/Drivers/adcdriver.h
+++ b/ProjetsKEIL/Drivers/adcdriver.h
@@ -23,8 +23,9 @@ typedef struct
 
 void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr);
 void MyADC_ActiveIT(ADC_TypeDef * ADC, uint8_t Prio);
-void MyADC_Start (ADC_TypeDef * ADC);
+void MyADC_Init_Periph (void (* ptrFonction)(void));
 MyGPIO_Struct_TypeDef GPIOFromADC(MyADC_Struct_TypeDef ADC);
 
+#define MyADC_Base_Start(ADC) (ADC->CR2 |= ADC_CR2_SWSTART)
 
 #endif
diff --git a/ProjetsKEIL/adc/Source/Principale.c b/ProjetsKEIL/adc/Source/Principale.c
index 8110b94..097362e 100644
--- a/ProjetsKEIL/adc/Source/Principale.c
+++ b/ProjetsKEIL/adc/Source/Principale.c
@@ -7,7 +7,7 @@
 
 #define	ADON		0
 
-void ADC1_2_IRQHandler(void)
+void LEDClignotte(void)
 {
 	if(ADC1->DR >= 3102)
 	{
@@ -16,8 +16,6 @@ void ADC1_2_IRQHandler(void)
 	else{
 		MyGPIO_Reset(GPIOA,5);
 	}
-	MyADC_Start(ADC1);
-	ADC1->SR &= ~ADC_SR_EOC;	//Prochaine lecture pouvant être effectuée.
 }
 
 int main (void)
@@ -29,12 +27,9 @@ int main (void)
 	MyGPIO_Init(&led);
 	
 	MyADC_Init(&adcStruct);
+	MyADC_Init_Periph(LEDClignotte);
 	MyGPIO_Init(&adc);
 	
-	MyADC_Start(ADC1);
-	
-
-	
  	while(1){
 		//MyADC_Start(ADC1);
 		/*
diff --git a/ProjetsKEIL/adc/adc.uvoptx b/ProjetsKEIL/adc/adc.uvoptx
index 2282a8c..bccba1e 100644
--- a/ProjetsKEIL/adc/adc.uvoptx
+++ b/ProjetsKEIL/adc/adc.uvoptx
@@ -529,7 +529,7 @@
       <GroupNumber>2</GroupNumber>
       <FileNumber>3</FileNumber>
       <FileType>1</FileType>
-      <tvExp>0</tvExp>
+      <tvExp>1</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
       <PathWithFileName>..\Drivers\timerdriver.c</PathWithFileName>