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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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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 ;
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int res;
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res=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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res=0;
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}
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}
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return res;
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}
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int decode_int(char c)
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{
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int res;
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res=c-48;
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if(res>9 || res<0)
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{
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res=-1;
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}
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return res;
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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;
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int 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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float latitude(char* ch)
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{
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float deg;
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float minute;
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float diminute;
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float resultat;
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deg=(float)decode_nombre(&ch[0], 2);
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minute=(float)decode_nombre(&ch[0+2],2);
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minute=minute/60;
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diminute=(float)decode_nombre(&ch[0+5],4);
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diminute=diminute/600000;
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resultat=deg+minute+diminute;
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return resultat;
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}
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float longitude(char* ch)
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{
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int deg;
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float minute;
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float diminute;
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float resultat;
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deg=decode_nombre(&ch[0],3);
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minute=(float)decode_nombre(&ch[0+3],2);
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minute=minute/60;
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diminute=(float)decode_nombre(&ch[0+6],4);
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diminute=diminute/600000;
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resultat=(float)deg+minute+diminute;
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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 res;
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if (ch[4]==46)
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{
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res=latitude(ch);
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}
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else
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{
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res=longitude(ch);
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}
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return res;
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}
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int decode_trame(char* trame, position *p)
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{
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int res;
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int trame_ok;
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int i;
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if(trame_cmp(trame,"GPGGA")==1)
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{
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trame_ok=1;
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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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res=0;
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p->latitude=0;
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p->longitude=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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p->latitude=latitude(&trame[17]);
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p->longitude=longitude(&trame[29]);
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res=1;
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}
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}
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else{
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res=0;
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}
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return res;
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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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float calcule_vitesse(position p1, position p2)
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{
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float vitesse;
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vitesse=distance(p1,p2)*3600;
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return vitesse;
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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++;
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printf ("> %s\n",trame);
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decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p1);
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printf("lat=%f long=%f \n",p1.latitude, p1.longitude);
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decode_trame("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*72",&p1);
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printf("lat=%f long=%f \n",p1.latitude, p1.longitude);
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decode_trame("$GPGGA,141915.00,,,00306.6039,E,1,05,3.4,499.5,M,,M,,*72",&p1);
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printf("lat=%f long=%f \n",p1.latitude, p1.longitude);
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decode_trame("$GPGGC,141914.00,4545.0000,N,,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p1);
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printf("lat=%f long=%f \n",p1.latitude, p1.longitude);
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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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/*test trame*/
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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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/*if(decode_int('5')!=5){
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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(decode_int('0')!=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(decode_int('9')!=9){
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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(decode_int('A')!=-1){
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printf ("Erreur Test unitaire traif(decode_nombre("7541",2)!=75){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}me_cmp.\n");
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exit(-1);
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}
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if(decode_int('Z')!=-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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/*test decode_nombre*/
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/*if(decode_nombre("7541",2)!=75){
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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(decode_nombre("7541",3)!=754){
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printf ("Erreur Test unitaire trif(decode_nombre("7541",2)!=75){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}ame_cmp.\n");
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exit(-1);
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}
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if(decode_nombre("123",3)!=123){
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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(decode_nombre("987654321",2)!=98){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);if(decode_nombre("7541",2)!=75){
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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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}*/
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/*if ((lat_long("00306.6036")-003.11005)>0.01)
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{
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printf("Erreur Test unitaire trame\n");
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exit(-1);
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}
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if ((lat_long("4545.0242")-45.75)>0.01)
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{
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printf("Erreur Test unitaire trame\n");
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exit(-1);
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}*/
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/*if (decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p1)!=1)
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{
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printf("valeur de retour differente de 1 ");
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if(decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p1)!=0)
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{
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printf("Erreur test unitaire trame \n");
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exit(-1);
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}
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}
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if (decode_trame("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*72",&p1)!=1)
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{
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printf("valeur de retour differente de 1 ");
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if(decode_trame("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*72",&p1)!=0)
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{
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printf("Erreur test unitaire trame \n");
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exit(-1);
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}
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}
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if (decode_trame("$GPGGA,141915.00,,,00306.6039,E,1,05,3.4,499.5,M,,M,,*72",&p1)!=1)
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{
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printf("valeur de retour differente de 1 ");
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if(decode_trame("$GPGGA,141915.00,,,00306.6039,E,1,05,3.4,499.5,M,,M,,*72",&p1)!=0)
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{
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printf("Erreur test unitaire trame \n");
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exit(-1);
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}
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}
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if (decode_trame("$GPGGC,141914.00,4545.0000,N,,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p1)!=1)
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{
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printf("valeur de retour differente de 1 ");
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if(decode_trame("$GPGGC,141914.00,4545.0000,N,,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p1)!=0)
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{
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printf("Erreur test unitaire trame \n");
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exit(-1);
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}
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}*/
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p1.latitude=latitude("4545.0000");
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p1.longitude=longitude("00306.6036");
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p2.latitude=latitude("4545.0242");
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p2.longitude=longitude("00306.6039");
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if((calcule_distance(p1,p2)-0.044)>2)
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{
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printf("Erreur test unitaire calcul distance\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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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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