diff --git a/Services/Plateau.c b/Services/Plateau.c
new file mode 100644
index 0000000..178ad85
--- /dev/null
+++ b/Services/Plateau.c
@@ -0,0 +1,32 @@
+#include <stm32f10x.h>
+#include <Plateau.h>
+#include <MyTimer.h>
+#include "GPIO.h"
+#include "ADC.h"
+#include "USART.h"
+
+void handler_USART1 (void) {
+//Pour le projet : Lancer PWM en fonction de la valeur du curseur
+	char data = USART1->DR;
+	char valabs;
+	if (data & (1<<7)) {
+		MyGPIO_Set(GPIOA, 1);
+		valabs = 2^7 - (data & 0x7F);
+		Mytimer_PWM_cycle(TIM3, 3, valabs);
+	}
+	else {
+		MyGPIO_Reset(GPIOA, 1);
+		Mytimer_PWM_cycle(TIM3, 3, data);
+	}
+	MyTimer_Base_Start(TIM3);
+}
+
+void Plateau_Init (void){
+	MyGPIO_Init(GPIOB,0,AltOut_Ppull);
+	MyGPIO_Init(GPIOA,1,Out_Ppull);
+	MyTimer_Init(TIM3, 360, 10);
+	Mytimer_PWM(TIM3, 3);
+	My_USART_Init(USART1);
+	MyUSART_ActiveIT(USART1, 6, &handler_USART1);
+}
+
diff --git a/Services/Plateau.h b/Services/Plateau.h
new file mode 100644
index 0000000..05eff78
--- /dev/null
+++ b/Services/Plateau.h
@@ -0,0 +1,7 @@
+#ifndef MYPLATEAU_H
+#define MYPLATEAU_H
+
+void Plateau_Init (void);
+void handler_USART1 (void);
+
+#endif
\ No newline at end of file
diff --git a/drivers/USART.c b/drivers/USART.c
index 113100f..2276080 100644
--- a/drivers/USART.c
+++ b/drivers/USART.c
@@ -1,5 +1,5 @@
 #include <stm32f10x.h>
-#include <USART.h>
+#include "USART.h"
 #include <GPIO.h>
 
 void (*ptr_fct_u1) (void);
diff --git a/drivers/USART.h b/drivers/USART.h
index 70bd457..0967f3e 100644
--- a/drivers/USART.h
+++ b/drivers/USART.h
@@ -8,7 +8,6 @@
 void My_USART_Init(USART_TypeDef *USART);
 void send_USART(USART_TypeDef *USART, char data);
 char read_USART(USART_TypeDef *USART);
-void My_USART_ActiveIT_send(USART_TypeDef *USART);
-void My_USART_ActiveIT_read(USART_TypeDef *USART);
+void MyUSART_ActiveIT(USART_TypeDef *USART, int Prio, void (*IT_function) (void));
 
 #endif
\ No newline at end of file