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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include "trame.h"
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//Trames de tests ? modifier si n?cessaire.
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char * trames[]= {"$GPGSV,3,2,10,15,03,077,,18,04,041,42,19,85,271,,20,08,214,*7C",
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"$GPGSV,3,3,10,22,39,053,50,28,15,320,*7E",
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"$GPRMC,141914.00,A,4545.6424,N,00306.6036,E,0.4,99.4,010206,,*0C",
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"$GPGLL,4545.6424,N,00306.6036,E,141914.00,A*0E",
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"$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",
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"$GPGSA,A,3,,03,,22,14,,01,,18,,,,3.9,3.4,1.9*39",
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"$GPVTG,99.4,T,,M,0.4,N,0.7,K*57",
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"$GPZDA,141914.00,01,02,2006,00,00*69",
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0};
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typedef struct
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{
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float latitude;
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float longitude;
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}position
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position p1;
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position p2;
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int trame_cmp(char* trame, char* type)
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{
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int i, ok = 1;
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for(i = 0; i < 5; i++)
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{
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if(trame[i+1] != type[i])
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{
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ok = 0;
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}
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if(ok = 1)
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}
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return ok;
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}
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int decode_nombre(char *ch, int n)
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{
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int i, s=0;
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for(i=0; i<n;i++)
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{
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s= (s*10) + decode_int(ch[i]);
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}
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return s;
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}
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int decode_int(char c)
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{
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int decode;
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if((c<'9')&&(c>='0'))
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{
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decode = c - 48;
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}
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else
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{
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decode = -1;
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}
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return decode;
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}
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float conversion_latitude (char* ch)
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{
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float resultat;
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int degre, minute, dec_minute;
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degre = decode_nombre (&ch[0], 2);
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minute = decode_nombre (&ch[2], 2);
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minute = minute/60;
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dec_minute = decode_nombre (&ch[5], 4);
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dec_minute = dec_minute/600000;
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resultat = degre + minute + dec_minute;
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return resultat;
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}
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float conversion_longitude (char* ch)
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{
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float resultat;
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int degre, minute, dec_minute;
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degre = decode_nombre(&ch[0], 3);
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minute = decode_nombre (&ch[3], 2);
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minute = minute/60;
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dec_minute = decode_nombre (&ch[6], 4);
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dec_minute = dec_minute/600000;
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resultat = degre + minute + dec_minute;
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return resultat;
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}
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float lat_long (char* ch)
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{
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float resultat;
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if (ch[4] != '.')
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{
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resultat = conversion_longitude(ch);
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}
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else
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{
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resultat = conversion_latitude(ch);
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}
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return resultat;
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}
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int decode_trame(char* trame, position *p)
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{
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int i, trame_ok = 1;
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float latitude, longitude;
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if(trame_cmp(trame, "GPGGA") == 1)
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{
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for (i=0; i<40; i++)
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{
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if (( trame[i] == trame[i+1]) && (trame[i]== ','))
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{
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trame_ok = 0;
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}
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}
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if(trame_ok == 1)
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{
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latitude = conversion_latitude(&trame[17]);
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longitude = conversion_longitude ( &trame[29]);
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}
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}
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else
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{
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trame_ok = 0;
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}
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return trame_ok;
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}
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float calcule_distance(position p1, position p2)
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{
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float distance;
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distance=(2*3.14*6370/360)*sqrt((p1.latitude-p2.latitude)*(p1.latitude-p2.latitude)+(p1.longitude-p2.longitude)*(p1.longitude-p2.longitude));
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return distance;
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}
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//Fonction ? modifier !!!!!
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void traitement(char * trame)
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{
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static int cpt=0;
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cpt = cpt++ ;
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printf ("> %s\n",trame);
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/* if trame_cmp(trame, "GPGGA") ==1)
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{
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printf ("> %s\n",trame);
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}*/
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}
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//Ajouter vos tests unitaires dans cette fonction.
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void tests_unitaires(void){
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if (5!=5){
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printf ("Erreur Test unitaire basique.\n");
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exit(-1);
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}
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/* Tests trame */
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/*
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if (trame_cmp("$GPGGA suite chaine","GPGGA")!=1){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC suite chaine", "GPGGA")!=0){
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printf("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC...", "GPRMC")!=1){
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printf("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$APRMC...", "GPGGA")!=0){
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printf("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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/* Test decode_int */
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/*
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if (decode_int('5')!=5){
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printf("Erreur Test unitaire decode_int.\n");
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exit(-1);
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if (decode_int('A') != -1){
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printf("Erreur Test unitaire decode_int.\n");
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exit(-1);
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}
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*/
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/* Test decode_nombre */
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/*
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if (decode_nombre(7541,2) != 75){
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printf("Erreur Test unitaire decode_nombre.\n");
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exit(-1);
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}
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if (decode_nombre(987654321,2) != 98){
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printf("Erreur Test unitaire decode_nombre.\n");
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exit(-1);
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}
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if (conversion_latitude(3723.2475,N) != 37,387458) {
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printf("Erreur Test unitaire conversion_latitude.\n");
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exit(-1);
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}
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if (conversion_longitude(00306.6036,E) != 3,11006){
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printf("Erreur Test unitaire conversion-longitude.\n");
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exit(-1);
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}
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*/
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// Ne pas modifier cette fonction
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int main(int argc,char ** argv)
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{
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tests_unitaires();
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// Affichage des trames definies dans la table trames.
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printf ("Trames de tests tableau trames:\n");
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int i=0;
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while (trames[i])
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traitement(trames[i++]);
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printf ("> %s\n",trame);
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if (!trame_init())
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exit(-1);
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// Affichage des trames du fichier gps.log
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char *trame;
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printf ("Trames de tests du fichier gps.log\n");
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while ((trame = trame_suivante()))
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traitement(trame);
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return 0;
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}
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