diff --git a/principal.c b/principal.c
new file mode 100755
index 0000000..4b7941e
--- /dev/null
+++ b/principal.c
@@ -0,0 +1,36 @@
+#include "stm32f10x.h"
+#include "MyTimer.h"
+#include "Nucleo.h"
+#include "Girouette.h"
+#include "DriverGPIO.h"
+
+volatile int Angle;
+
+int main ( void ){
+	// ---- Setup ------
+	//Nucleo.c
+	//ConfigHorloge(); 
+	ConfigBroche();
+	//MyTimer.c
+	ConfigureTimers();
+	ConfigureIT();
+	//PWM.
+	ConfigurePWM();
+	// Giroutte.c
+	configEncoder(TIM2);
+	configChannel();
+	
+	//MyTimer_Base_Start (TIM2);
+	//MyTimer_Base_Start (TIM1);
+	//MyTimer_Base_Start (TIM3);
+
+	// ----- Opérations -----
+	while (1){
+		//Angle = returnAngle(TIM2);
+		MyGPIO_Toggle(GPIOA, 0);
+		MyGPIO_Toggle(GPIOA, 1);
+		
+		
+		
+	}	
+};