diff --git a/implementation/accelerometer.c b/implementation/accelerometer.c
new file mode 100644
index 0000000..0bb3f14
--- /dev/null
+++ b/implementation/accelerometer.c
@@ -0,0 +1,57 @@
+#include "stm32f10x.h"
+#include "accelerometer.h"
+#include "MySPI.h"
+#include "gpio.h"
+
+void accelerometre()
+{
+	int dataX ;
+	float GX ;
+	int dataY ;
+	float GY;
+	int dataZ ;
+	float GZ;
+	
+	char testReg;
+	MySPI_Init(SPI1);
+	
+	MySPI_Clear_NSS(); //CS LOW
+	MySPI_Send(0x2D);//Registre Auto_sleep + Write + measure a 1
+	MySPI_Send(0x08);// désactive 
+	MySPI_Set_NSS();//CS HIGH
+	
+	MySPI_Clear_NSS(); //CS LOW
+	MySPI_Send(0xAD);// regisstre 0x2D en lecture 
+	testReg = MySPI_Read(); // lecture de la valeur du registre
+	MySPI_Set_NSS();//CS HIGH
+	
+	
+	MySPI_Clear_NSS(); //CS LOW
+	MySPI_Send(0X2C);//Registre power consuption + Write
+	MySPI_Send(0X1A);//Paramétrage hors low consumption + 100Hz output data rate
+	MySPI_Set_NSS();//CS HIGH
+	
+	MySPI_Clear_NSS(); //CS LOW
+	MySPI_Send(0x31);//registre Data format + write
+	MySPI_Send(0x17);//
+	MySPI_Set_NSS();//CS HIGH
+	
+	MySPI_Clear_NSS(); //CS LOW
+	MySPI_Send(0xF2);
+	dataX = MySPI_Read()<<8;
+	dataX |= MySPI_Read();
+	dataX &= 0xE;
+	GX = dataX*0.004;
+	dataY = MySPI_Read()<<8;
+	dataY |= MySPI_Read();
+	dataY &= 0xE;
+	GY = dataY*0.004;
+	dataZ = MySPI_Read()<<8;
+	dataZ |= MySPI_Read();
+	dataZ &= 0xE;
+	GZ = dataZ*0.004;
+	MySPI_Set_NSS();//CS HIGH
+	
+	
+	
+}
\ No newline at end of file
diff --git a/implementation/accelerometer.h b/implementation/accelerometer.h
new file mode 100644
index 0000000..1d8a585
--- /dev/null
+++ b/implementation/accelerometer.h
@@ -0,0 +1,8 @@
+#ifndef INC_ACCELEROMETER_H_
+#define INC_ACCELEROMETER_H_
+
+#include "../driver/MySPI.h"
+void accelerometre();
+
+
+#endif
\ No newline at end of file
diff --git a/implementation/rtc.c b/implementation/rtc.c
index 44e25a5..8757e9b 100644
--- a/implementation/rtc.c
+++ b/implementation/rtc.c
@@ -8,7 +8,7 @@ void (*IT_I2C_Err) (void) = plantage_i2C;
 
 void MyRTC_Init(void)
 {
-	MyI2C_Init(I2C1, 15, IT_I2C_Err);
+	MyI2C_Init(I2C2, 15, IT_I2C_Err);
 }
 
 void MyRTC_GetTime(int* sec, int* min, int* hour, int* day, int* date, int* month, int* year)
@@ -20,18 +20,18 @@ void MyRTC_GetTime(int* sec, int* min, int* hour, int* day, int* date, int* mont
 	data.Ptr_Data = &regCopy;
 	data.Nb_Data = 1;
 	
-	MyI2C_GetString(I2C1, 0x00, &data);
+	MyI2C_GetString(I2C2, 0x00, &data);
 	*sec = ((regCopy >> 4) & 0x07) * 10 + (regCopy & 0x0F);
-	MyI2C_GetString(I2C1, 0x01, &data);
+	MyI2C_GetString(I2C2, 0x01, &data);
 	*min = ((regCopy >> 4) & 0x07) * 10 + (regCopy & 0x0F);
-	MyI2C_GetString(I2C1, 0x02, &data);
+	MyI2C_GetString(I2C2, 0x02, &data);
 	*hour = 0;
-	MyI2C_GetString(I2C1, 0x03, &data);
+	MyI2C_GetString(I2C2, 0x03, &data);
 	*day = (regCopy & 0x07);
-	MyI2C_GetString(I2C1, 0x04, &data);
+	MyI2C_GetString(I2C2, 0x04, &data);
 	*date = ((regCopy >> 4) & 0x03) * 10 + (regCopy & 0x0F);
-	MyI2C_GetString(I2C1, 0x05, &data);
+	MyI2C_GetString(I2C2, 0x05, &data);
 	*month = ((regCopy >> 4) & 0x01) * 10 + (regCopy & 0x0F);
-	MyI2C_GetString(I2C1, 0x06, &data);
+	MyI2C_GetString(I2C2, 0x06, &data);
 	*year = ((regCopy >> 4) & 0xF0) * 10 + (regCopy & 0x0F) + 2000;
 }
diff --git a/keilproject/Source/Principale.c b/keilproject/Source/Principale.c
index f298a21..545b510 100644
--- a/keilproject/Source/Principale.c
+++ b/keilproject/Source/Principale.c
@@ -26,4 +26,5 @@ void initImplementation(void)
 	MyMotor_ChangeSpeed(0);
 	MyMotor_ChangeDirection(HORAIRE);
 	MyRTC_Init();
+	accelerometre();
 }