diff --git a/MyDrivers/Timer.c b/MyDrivers/Timer.c
index 61eb197..e969778 100644
--- a/MyDrivers/Timer.c
+++ b/MyDrivers/Timer.c
@@ -237,7 +237,11 @@ int Timer_encoder_getAngle(TIM_TypeDef * timer)
 	return LL_TIM_GetCounter(timer);
 }
 
-int Timer_encoder_getDirection(TIM_TypeDef * timer)
+enum CounterDirection Timer_encoder_getDirection(TIM_TypeDef * timer)
 {
-	return LL_TIM_GetDirection(timer);
+	const int dir = LL_TIM_GetDirection(timer);
+	if (dir == LL_TIM_COUNTERDIRECTION_UP)
+		return CLOCKWISE;
+	else
+		return COUNTER_CLOCKWISE;
 }
diff --git a/MyDrivers/Timer.h b/MyDrivers/Timer.h
index a28ac9c..6580262 100644
--- a/MyDrivers/Timer.h
+++ b/MyDrivers/Timer.h
@@ -2,6 +2,13 @@
 #define TIMER_H
 
 #include "stm32f103xb.h" 
+#include "stm32f1xx_ll_tim.h" // Pour les timers
+
+enum CounterDirection {
+	CLOCKWISE = LL_TIM_COUNTERDIRECTION_UP,
+	COUNTER_CLOCKWISE = LL_TIM_COUNTERDIRECTION_DOWN,
+};
+
 
 /****************************************************************************
   *																	INTERRUPTIONS
@@ -125,6 +132,6 @@ int Timer_encoder_getAngle(TIM_TypeDef * timer);
 	* @param  TIM_TypeDef Timer : indique le timer à utiliser : TIM1, TIM2, TIM3 ou TIM4
   * @retval None
   */
-int Timer_encoder_getDirection(TIM_TypeDef * timer);
+enum CounterDirection Timer_encoder_getDirection(TIM_TypeDef * timer);
 
 #endif
diff --git a/Services/IncrementalEncoder.c b/Services/IncrementalEncoder.c
index a799aa7..cefd96c 100644
--- a/Services/IncrementalEncoder.c
+++ b/Services/IncrementalEncoder.c
@@ -1 +1,24 @@
 #include "IncrementalEncoder.h"
+
+#include "Timer.h"
+
+void IncrementalEncoder_conf(TIM_TypeDef * timer)
+{
+	Timer_encoder_conf(timer);
+	// TODO GPIO config
+}
+
+void IncrementalEncoder_start(TIM_TypeDef * timer)
+{
+	Timer_start(timer);
+}
+
+int IncrementalEncoder_getAngle(TIM_TypeDef * timer)
+{
+	return Timer_encoder_getAngle(timer);
+}
+
+enum CounterDirection IncrementalEncoder_getDirection(TIM_TypeDef * timer)
+{
+	return Timer_encoder_getDirection(timer);
+}
diff --git a/Services/IncrementalEncoder.h b/Services/IncrementalEncoder.h
index fc68d34..3137432 100644
--- a/Services/IncrementalEncoder.h
+++ b/Services/IncrementalEncoder.h
@@ -1,4 +1,38 @@
 #ifndef INC_ENCODER_H
 #define INC_ENCODER_H
 
+#include "stm32f103xb.h"
+
+/**
+	* @brief  Configure le codeur incrémental associé au timer donné
+  * @note   
+	* @param  TIM_TypeDef Timer : indique le timer à utiliser : TIM1, TIM2, TIM3 ou TIM4
+  * @retval None
+  */
+void IncrementalEncoder_conf(TIM_TypeDef * timer);
+
+/**
+	* @brief  Démarre le codeur incrémental associé au timer donné
+  * @note   
+	* @param  TIM_TypeDef Timer : indique le timer à utiliser : TIM1, TIM2, TIM3 ou TIM4
+  * @retval None
+  */
+void IncrementalEncoder_start(TIM_TypeDef * timer);
+
+/**
+	* @brief  Récupère l'angle du codeur incrémental associé au timer donné
+  * @note   
+	* @param  TIM_TypeDef Timer : indique le timer à utiliser : TIM1, TIM2, TIM3 ou TIM4
+  * @retval int angle
+  */
+int IncrementalEncoder_getAngle(TIM_TypeDef * timer);
+
+/**
+	* @brief  Récupère la direction du codeur incrémental associé au timer donné
+  * @note   
+	* @param  TIM_TypeDef Timer : indique le timer à utiliser : TIM1, TIM2, TIM3 ou TIM4
+  * @retval int dir
+  */
+enum CounterDirection IncrementalEncoder_getDirection(TIM_TypeDef * timer);
+
 #endif