diff --git a/.vscode/settings.json b/.vscode/settings.json
index 08ba79e..5c64e94 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -14,6 +14,7 @@
         "limits": "c",
         "*.tcc": "c",
         "type_traits": "c",
-        "simulateflux.h": "c"
+        "simulateflux.h": "c",
+        "pthread.h": "c"
     }
 }
\ No newline at end of file
diff --git a/Code-C/Makefile b/Code-C/Makefile
index cdc4abd..7711ce9 100644
--- a/Code-C/Makefile
+++ b/Code-C/Makefile
@@ -2,8 +2,6 @@ CC = gcc
 
 all: 
 #	rm powerData.csv
-	$(CC) simulateFlux.c -o simulateFlux
-	$(CC) fileGestion.c getArray.c power.c main.c -lm -o main
-
-	./simulateFlux < ../02400001.TXT
-	./main
\ No newline at end of file
+#	$(CC) simulateFlux.c fileGestion.c getArray.c power.c main.c -lm -o main
+	$(CC) simulateFlux.c main.c -lpthread -o main 
+	./main < ../02400031.TXT
\ No newline at end of file
diff --git a/Code-C/b2hd b/Code-C/b2hd
deleted file mode 100755
index bdb7e90..0000000
Binary files a/Code-C/b2hd and /dev/null differ
diff --git a/Code-C/b2hd.c b/Code-C/b2hd.c
index 761273e..c6e5147 100644
--- a/Code-C/b2hd.c
+++ b/Code-C/b2hd.c
@@ -1,5 +1,8 @@
 #include "b2hd.h"
-
+/**
+ * @brief allow to transform all binary hex data send by the Vegetal Signal captor in a .TXT file into decimal values in a .csv
+ * 
+ */
 void b2hd()
 {
   int i;
diff --git a/Code-C/b2hd.h b/Code-C/b2hd.h
index 033a535..5479d31 100644
--- a/Code-C/b2hd.h
+++ b/Code-C/b2hd.h
@@ -5,6 +5,10 @@
 #include <time.h>
 #include <math.h>
 
+/**
+ * @brief struct used to stock binary 32 bits data from the captor
+ * 
+ */
 typedef struct {
   uint8_t octet1;
   uint8_t octet2;
diff --git a/Code-C/fileGestion.c b/Code-C/fileGestion.c
index 78d17e1..126d240 100644
--- a/Code-C/fileGestion.c
+++ b/Code-C/fileGestion.c
@@ -1,28 +1,38 @@
 #include "fileGestion.h"
 
-void clearRawData(int N){
+
+/**
+ * @brief function that delete nRow lign in the beginning of the file rawData.csv . This function is necessary to not deal with the same ligns over and over
+ * 
+ * @param nRow number of lign in the beginning of the file rawData.csv that has to be delete
+ */
+void clearRawData(int nRow){
     char buffer[256];
     FILE *f = fopen("newFile.csv","w+");
     FILE *g = fopen("rawData.csv","r");
-    for(int i  = 0; i < N; i++){
-        fgets(buffer , sizeof buffer , g);
-        //printf("Line contaigns: %s" , buffer);
+    for(int i  = 0; i < nRow; i++){ //first the program read the first nRow ligns of the csv file but do nothing
+        fgets(buffer , sizeof buffer , g); 
     }
-    while(1){
+    while(1){ //then, till the end of the csv file it copy the lign to a new csv : newFile.csv
         if(!fgets(buffer,sizeof buffer , g)) break;
         fprintf(f,"%s",buffer);
     }
-    remove("rawData.csv"); rename("newFile.csv", "rawData.csv");
+    remove("rawData.csv"); rename("newFile.csv", "rawData.csv"); //finally we remove the original file and rename the new one to replace rawData.csv
     fclose(f); fclose(g);
 }
-
-void writePowerData(double a[], int N){
+/**
+ * @brief use to write the file powerData.csv that contaign all power calculous results
+ * 
+ * @param powerArray
+ * @param nCol size of the power array, correspond to the number of captor used
+ */
+void writePowerData(double powerArray[], int nCol){
     FILE *f = fopen("powerData.csv","a+");
-    for(int i = 0 ; i < N ; i++){
-        if( i < N-1){
-            fprintf(f, "%f , ", a[i]);
+    for(int i = 0 ; i < nCol ; i++){
+        if( i < nCol-1){
+            fprintf(f, "%f , ", powerArray[i]);
         } else {
-            fprintf(f, "%f\n", a[i]);
+            fprintf(f, "%f\n", powerArray[i]);
         }
     }
     fclose(f);
diff --git a/Code-C/getArray.c b/Code-C/getArray.c
index 07ce2ed..d6543a1 100644
--- a/Code-C/getArray.c
+++ b/Code-C/getArray.c
@@ -13,7 +13,7 @@ long **get(int N, int M) /* Allocate the array */
     return array;
 }
 
-void fillRawData(long** p, int N, int M) {
+void fillArrayWithRawData(long** p, int N, int M) {
     int i, j;
 
     char *buffer;
@@ -36,14 +36,27 @@ void fillRawData(long** p, int N, int M) {
         //printf("\n\n");
     }
 }
-
+/**
+ * @brief print all the element of a bidimensionnal array p of shape : N x M
+ */
 void printArrayData(long** p, int N, int M) {
     int i, j;
     for(i = 0 ; i < N ; i++){
-        printf("line n°%d : %d , %d , %d , %d , %d , %d , %d , %d , %d\n" ,i,p[i][0],p[i][1],p[i][2],p[i][3],p[i][4],p[i][5],p[i][6],p[i][7],p[i][8]);
+        printf("line n°%d : " , i);
+        for(int j = 0 ; j < M ; j++){
+            printf("%d , " , p[i][j]);
+            if(j==(M-1)) printf("\n");
         }
+    }
 }
-
+/**
+ * @brief verify if all the element of an array are not NULL, return 
+ * 
+ * @param p 
+ * @param N 
+ * @param M 
+ * @return int 
+ */
 int checkArrayFullyFill(long **p, int N , int M){
     for(int i  = 0 ; i < N ; i++){
             if(p[i][0] == '\0'){ return 1; }
diff --git a/Code-C/initialParameters.h b/Code-C/initialParameters.h
index 3007f21..5a635fa 100644
--- a/Code-C/initialParameters.h
+++ b/Code-C/initialParameters.h
@@ -1,6 +1,10 @@
-const int nRow = 100000;
-const int nCol = 9;
-const double freqEch = 250;
+#include <stdbool.h>
 
-const double period = 1.0/freqEch;
-const double timeBandwidth = 1.0 /(nRow * period);
+extern int nRow;
+extern int nCol;
+extern double freqEch;
+
+extern int selectionCaptors[];
+extern int sizeSelectionArray;
+
+extern bool flag;
\ No newline at end of file
diff --git a/Code-C/main b/Code-C/main
deleted file mode 100755
index 9d2cfd1..0000000
Binary files a/Code-C/main and /dev/null differ
diff --git a/Code-C/main.c b/Code-C/main.c
index 3e55a33..5de3cde 100644
--- a/Code-C/main.c
+++ b/Code-C/main.c
@@ -1,9 +1,25 @@
-//#include "simulateFlux.h"
+#include <pthread.h>
+#include <stdbool.h>
+#include "simulateFlux.h"
 #include "getArray.h"
 #include "fileGestion.h"
 #include "power.h"
 #include "initialParameters.h"
 
+int nRow = 100000;
+int nCol = 9;
+double freqEch = 250;
+
+int selectionCaptors[] =  {1,2,3,4,5,6,7,8};
+int sizeSelectionArray = 8;
+
 int main(int argc , char** argv){
-    while(power(nRow,nCol,period,timeBandwidth)==0){}
+
+    double period = 1 / freqEch;
+    double invTimeBandWidth = 1 /(nRow * period);
+
+    pthread_t rawData;
+    pthread_create(&rawData , NULL, simulateFlux, (void *)&rawData);
+    pthread_exit(NULL);
+    while(power(nRow,nCol,period,invTimeBandWidth)==0){}
 }
\ No newline at end of file
diff --git a/Code-C/power b/Code-C/power
deleted file mode 100755
index 8d6ec53..0000000
Binary files a/Code-C/power and /dev/null differ
diff --git a/Code-C/power.c b/Code-C/power.c
index 5f2f58c..e672b4f 100644
--- a/Code-C/power.c
+++ b/Code-C/power.c
@@ -2,26 +2,26 @@
 #include "getArray.h"
 #include "fileGestion.h"
 
-void powerCalculation(long **p, double a[] , int N, int M , double period , double timeBandwidth){
+void powerCalculation(long **p, double powerArray[] , int N, int M , double period , double invTimeBandwidth){
     for(int i = 0; i < M-1; i++){
         int j = 0;
-        a[i] = 0;
+        powerArray[i] = 0;
         while(j < N-1){
             double aire  = ( pow(p[j][i+1],2) + pow(p[j+1][i+1],2) ) / 2 * period;
             //printf("aire [%d,%d] : %f\n",j,i,aire);
-            a[i] += aire;
+            powerArray[i] += aire;
             j++;
         }
-        a[i] *= timeBandwidth;
-        //printf("%f\n", a[i]);
+        powerArray[i] *= invTimeBandwidth;
+        //printf("%f\n", powerArray[i]);
     }
 }
-int power(int N , int M, double periode , double timeBandwidth){
+int power(int N , int M, double periode , double invTimeBandwidth){
     long **p = getRawDataArray(N, M);
     //printArrayData(p,N,M);
     double pw[8];
     if(p !=NULL){
-        powerCalculation(p,pw,N,M,periode,timeBandwidth);
+        powerCalculation(p,pw,N,M,periode,invTimeBandwidth);
         writePowerData(pw,8);
         freeArray(p,N);
         return 0;
diff --git a/Code-C/simulateFlux b/Code-C/simulateFlux
deleted file mode 100755
index 646e120..0000000
Binary files a/Code-C/simulateFlux and /dev/null differ
diff --git a/Code-C/simulateFlux.c b/Code-C/simulateFlux.c
index 1cbb294..381471f 100644
--- a/Code-C/simulateFlux.c
+++ b/Code-C/simulateFlux.c
@@ -1,18 +1,99 @@
 #include "simulateFlux.h"
+#include "initialParameters.h"
+
+typedef struct {
+  char *fileName;
+} nameFill;
 
 
-int writeOneRawData(){
+typedef struct {
+  nameFill curentFile;
+  nameFill *nextFile;
+}rawDataFile;
 
+nameFill getNameFill(int N){
+  nameFill file;
+  file.fileName = (char *) malloc(N*sizeof(char *));
+  return file;
+}
+int cptData = 0; 
+int cptFile = 1;
+nameFill FirstFile;
+
+char* convertIntegerToChar(int N)
+{
+    // Count digits in number N
+    int m = N;
+    int digit = 0;
+    while (m) {
+        digit++;
+        m /= 10;
+    }
+    char* arr;
+    char arr1[digit];
+    arr = (char*)malloc(digit);
+    int index = 0;
+    while (N) {
+        arr1[++index] = N % 10 + '0';
+        N /= 10;
+    }
+    int i;
+    for (i = 0; i < index; i++) {
+        arr[i] = arr1[index - i];
+    }
+    arr[i] = '\0';
+    return (char*)arr;
+}
+
+FILE *createThenOpenNewRawDataFile(){
+    char *fileName  = "RawData";
+    char *extension = ".csv";
+    char *fileNumber = convertIntegerToChar(cptFile);
+
+    char fileNameNumber[strlen(fileName)+strlen(fileNumber)];
+    char fullFillName[strlen(fileNameNumber)+strlen(extension)];
+
+    strcpy( fileNameNumber, fileName );
+    strcat( fileNameNumber, fileNumber );
+
+    strcpy( fullFillName, fileNameNumber );
+    strcat( fullFillName, extension );
+
+    FILE *file = fopen(fullFillName,"w+");
+    return file;
+}
+
+int64_t millis()
+{
+    struct timespec now;
+    timespec_get(&now, TIME_UTC);
+    return ((int64_t) now.tv_sec) * 1000 + ((int64_t) now.tv_nsec) / 1000000;
+}
+
+int intInArray(int number , int *array , int N){
+    for(int i  = 0 ; i < N ; i++){
+        if(array[i] == number) return 0; 
+    }
+    return -1;
+}
+int maxInArray(int *array , int N){
+    int max  = 0;
+    for(int i = 0 ; i < N ; i++){
+        if(array[i]>max) max  = array[i];
+    }
+    return max;
+}
+
+bool writeOneRawData(FILE *rawDataFile){
     char buff[26];
     char buff2[18];
     int32_t values[8];
     uint32_t valbin[8];
     quartet value;
 
-    FILE *f = fopen("rawData.csv" , "a");
 
-    if(fread(&buff, 26, 1, stdin)) {
-        fprintf(f , "%d,", millis());
+    if(fread(&buff, 26, 1, stdin)) { 
+        fprintf(rawDataFile , "%d,", millis());
         if (strncmp(buff, "#################\n", (size_t)18) == 0) {
             if (!(fread(&buff2, 18, 1, stdin))) {
                 fprintf(stderr, "Erreur lecture après ###...#");
@@ -22,47 +103,43 @@ int writeOneRawData(){
                 strncpy(&buff[8], buff2, 18);
             }
         }
-
+        int maxCapteurNb = maxInArray(selectionCaptors,sizeSelectionArray);
         for (int i = 1; i < 9; i++){
-            value.octet1 = buff[3*i+1];
-            value.octet2 = buff[3*i+2];
-            value.octet3 = buff[3*i+3];
-            value.octet4 = 0;
-            
-            valbin[i] = buff[3*i+1]*256*256*256 + buff[3*i+2]*256*256 + buff[3*i+3]*256;
-            memcpy(&values[i], &valbin[i], sizeof(uint32_t));
+            if(intInArray(i,selectionCaptors,sizeSelectionArray)==0){
+                value.octet1 = buff[3*i+1];
+                value.octet2 = buff[3*i+2];
+                value.octet3 = buff[3*i+3];
+                value.octet4 = 0;
+                
+                valbin[i] = buff[3*i+1]*256*256*256 + buff[3*i+2]*256*256 + buff[3*i+3]*256;
+                memcpy(&values[i], &valbin[i], sizeof(uint32_t));
 
-            if(i<8){
-                fprintf(f, "%d,", values[i]/256);
-            }
-            else{
-                fprintf(f, "%d\n", values[i]/256);
+                if(i==maxCapteurNb){
+                    fprintf(rawDataFile, "%d\n", values[i]/256);
+                }
+                else{
+                    fprintf(rawDataFile, "%d,", values[i]/256);
+                }
             }
         }
-    fclose(f);
-    cpt++;
-    sleep(0.004); //simul la freq ech
-    return 0;
+    cptData++;
+    //sleep(0.004); //simul la freq ech
+    return true;
     } 
     else {
-        return 1;
+        return false;
     }
 }
+void *simulateFlux(void *vargp){
 
-int simulateFlux(){
-    while(writeOneRawData()==0){
-        if(cpt==nRows){
-            tFlag = 1;
-        } 
-        while(tFlag == 1){
-            /*printf("max nRows");
-            cpt = 0;
-            tFlag = 0;
-            break;*/
+    FILE *f = createThenOpenNewRawDataFile();
+    while(writeOneRawData(f)){
+        if(cptData == nRow){
+            cptData = 0;
+            cptFile++;
+            fclose(f);
+            // initialiser et/ou modifier la structure ici
+            f = createThenOpenNewRawDataFile();
         }
     }
-}
-
-int main(int argc , char argv[]){
-    simulateFlux();
 }
\ No newline at end of file
diff --git a/Code-C/simulateFlux.h b/Code-C/simulateFlux.h
index 82d8a35..77fdc3e 100644
--- a/Code-C/simulateFlux.h
+++ b/Code-C/simulateFlux.h
@@ -3,12 +3,9 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <stdbool.h>
 #include <time.h>
 
-int cpt = 0;
-int tFlag = 0;
-int nRows = 1000;
-
 typedef struct {
   uint8_t octet1;
   uint8_t octet2;
@@ -16,9 +13,12 @@ typedef struct {
   uint8_t octet4;
 } quartet;
 
-int64_t millis()
-{
-    struct timespec now;
-    timespec_get(&now, TIME_UTC);
-    return ((int64_t) now.tv_sec) * 1000 + ((int64_t) now.tv_nsec) / 1000000;
-}
\ No newline at end of file
+extern struct nameFill;
+
+
+extern struct rawDataFile;
+
+nameFill getNameFill(int N);
+
+bool writeOneRawData(FILE *f);
+void *simulateFlux(void *vargp);
\ No newline at end of file
diff --git a/Py-Script/Traitement-FFT.py b/Py-Script/Traitement-FFT.py
index 5347b63..6907068 100644
--- a/Py-Script/Traitement-FFT.py
+++ b/Py-Script/Traitement-FFT.py
@@ -1,5 +1,5 @@
 import numpy as np
-#import matplotlib.pyplot as plt
+import matplotlib.pyplot as plt
 
 import struct
 
@@ -9,7 +9,7 @@ import struct
 
 AllRes = [[],[],[],[],[],[],[],[]]
 
-link = "02400007.TXT"
+link = "02400031.TXT"
 
 f = open(link , "rb")#ouvertuture  du fichier txt traiter
 	
@@ -47,7 +47,7 @@ while True:
 	
 	f.close()#fermeturedu fichier txt
 
-"""fig, (ax1, ax2) = plt.subplots(2, 1) #Création de la figure à 2 plots 
+fig, (ax1, ax2) = plt.subplots(2, 1) #Création de la figure à 2 plots 
 
 Fe = 250000 #Fréquence d'échantillonage
 tstep = 1 / Fe #Time spacing
@@ -70,8 +70,8 @@ sp = np.fft.fft(y,Fe)
 f = np.fft.fftfreq(Fe,tstep) #axe des abscisses: fréquence
 
 #Définition des courbes des plots
-ax1.plot(t,y)
+ax1.plot(t,y) # print y(t)
 ax2.plot(f,abs(sp))
 
 #Lancement de l'affichage du plot
-plt.show()"""
\ No newline at end of file
+plt.show()
\ No newline at end of file