diff --git a/implementation/accelerometer.c b/implementation/accelerometer.c
index 0bb3f14..6055f8a 100644
--- a/implementation/accelerometer.c
+++ b/implementation/accelerometer.c
@@ -3,28 +3,22 @@
 #include "MySPI.h"
 #include "gpio.h"
 
-void accelerometre()
+void Init_accelerometre()
 {
-	int dataX ;
-	float GX ;
-	int dataY ;
-	float GY;
-	int dataZ ;
-	float GZ;
+	//char testReg;
 	
-	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
@@ -35,23 +29,31 @@ void accelerometre()
 	MySPI_Send(0x31);//registre Data format + write
 	MySPI_Send(0x17);//
 	MySPI_Set_NSS();//CS HIGH
+}
+
+void Lecture_accelerometre(float *GX, float* GY, float* GZ)
+{
+	int dataX ;
+	int dataY ;
+	int dataZ ;
 	
 	MySPI_Clear_NSS(); //CS LOW
-	MySPI_Send(0xF2);
-	dataX = MySPI_Read()<<8;
-	dataX |= MySPI_Read();
-	dataX &= 0xE;
-	GX = dataX*0.004;
+	
+	MySPI_Send(0xF2);//lecture 1er registre accéléromètre + lecture multibytes
+	dataX = MySPI_Read()<<8; // données sur 13 bits passage 8 bit en PF
+	dataX |= MySPI_Read(); //lecture SPI
+	dataX &= 0xE; //masquage au dessus du bit 13
+	*GX = dataX*0.004;//valeur du registre x pas accelerometre
+	
 	dataY = MySPI_Read()<<8;
 	dataY |= MySPI_Read();
 	dataY &= 0xE;
-	GY = dataY*0.004;
+	*GY = dataY*0.004;
+	
 	dataZ = MySPI_Read()<<8;
 	dataZ |= MySPI_Read();
 	dataZ &= 0xE;
-	GZ = dataZ*0.004;
+	*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
index 1d8a585..f0926cc 100644
--- a/implementation/accelerometer.h
+++ b/implementation/accelerometer.h
@@ -2,7 +2,7 @@
 #define INC_ACCELEROMETER_H_
 
 #include "../driver/MySPI.h"
-void accelerometre();
-
+void Init_accelerometre();
+void Lecture_accelerometre(float *GX, float* GY, float* GZ);
 
 #endif
\ No newline at end of file
diff --git a/keilproject/Source/Principale.c b/keilproject/Source/Principale.c
index 79a178c..e412c4a 100644
--- a/keilproject/Source/Principale.c
+++ b/keilproject/Source/Principale.c
@@ -3,9 +3,11 @@
 #include "MySPI.h"
 #include "accelerometer.h"
 
+float GX, GY, GZ;
 int main (void)
 {
-	
+	Init_accelerometre();
 	while(1){
-	accelerometre();};	
+	Lecture_accelerometre(&GX,&GY,&GZ);
+	};	
  }
diff --git a/keilproject/voilier.uvoptx b/keilproject/voilier.uvoptx
index caab44a..3ff1e11 100644
--- a/keilproject/voilier.uvoptx
+++ b/keilproject/voilier.uvoptx
@@ -339,9 +339,9 @@
         <Bp>
           <Number>0</Number>
           <Type>0</Type>
-          <LineNumber>54</LineNumber>
+          <LineNumber>58</LineNumber>
           <EnabledFlag>1</EnabledFlag>
-          <Address>134220334</Address>
+          <Address>134219020</Address>
           <ByteObject>0</ByteObject>
           <HtxType>0</HtxType>
           <ManyObjects>0</ManyObjects>
@@ -350,23 +350,7 @@
           <BreakIfRCount>1</BreakIfRCount>
           <Filename>C:\Users\guilh\OneDrive\Bureau\COURS\INSA AE\µC S6\voilier-team-1\implementation\accelerometer.c</Filename>
           <ExecCommand></ExecCommand>
-          <Expression>\\cool_reel\../implementation/accelerometer.c\54</Expression>
-        </Bp>
-        <Bp>
-          <Number>1</Number>
-          <Type>0</Type>
-          <LineNumber>5</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>0</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>0</BreakIfRCount>
-          <Filename>..\implementation\accelerometer.c</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression></Expression>
+          <Expression>\\cool_reel\../implementation/accelerometer.c\58</Expression>
         </Bp>
       </Breakpoint>
       <WatchWindow1>