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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 p;
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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("long : %f, lat : %f\n", p.longitude, p.latitude);
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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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int trame_cmp(char *trame, char *type)
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{
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int i=0, res=1;
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do
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{
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if (trame[i+1]==type[i])
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{
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i++;
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}
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else res=0;
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}while ((type[i]!='\0')&&(res==1));
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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 valeur;
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valeur = c-48;
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if ((valeur > 9) || (valeur < 0)) return (-1);
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else return(valeur);
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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 conv_sexa_decimal(char* chaine){
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int i=0, degre=0, minutes=0, u=1, n=0;
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float secondes=0, res=0, min=0;
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do{
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n++;
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}while(chaine[n]!='.');
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if(n==4){
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degre=(chaine[0]-48)*10+(chaine[1]-48);
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i=2;
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}
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else{
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degre=(chaine[0]-48)*100+(chaine[1]-48)*10+(chaine[2]-48);
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i=3;
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}
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do{
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min=min+(chaine[i]-48)*pow(10, u);
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u--;
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i++;
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}while(chaine[i]!='.');
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i++;
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do{
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secondes=secondes+(chaine[i]-48)*pow(10, u);
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u--;
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i++;
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}while(chaine[i]!='\0');
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res=degre+((min+secondes)/60);
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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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int t=0;
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int i=0;
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int j=7;
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int k=18;
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if (trame_cmp(trame,"GPGGA")==1){
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t=1;
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i=7;
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for (j=7;j<17;j++){
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trame[i]=trame[j];
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i++;
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}
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i=7;
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do{
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p->longitude=conv_sexa_decimal(trame);
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i++;
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}while(trame[i]!=',');
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i++;
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for (k=18;k<28;k++){
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trame[i]=trame[k];
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}
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do{
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p->latitude=conv_sexa_decimal(trame);
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i++;
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}while(trame[i]!='\0');
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}
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else t=0;
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return t;
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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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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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if (((decode_int(9)) || (decode_int(8)) || (decode_int(7)) || (decode_int(6)) || (decode_int(5)) || (decode_int(4)) || (decode_int(3)) || (decode_int(2)) || (decode_int(1)) || (decode_int(0))) == (-1)){
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printf("Erreur Test unitaire decodeur_int.\n");
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exit(-1);
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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("327",3)!=327){
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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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/*printf("%f\n", conv_sexa_decimal("3723.2475"));
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if (conv_sexa_decimal("3723.2475")!=37.387459){
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printf ("Erreur Test unitaire conv_sexa_decimal.\n");
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exit(-1);
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}
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/*printf("%f\n", conv_sexa_decimal("00306.6036"));
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if (conv_sexa_decimal("00306.6036")!=3.11006){
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printf ("Erreur Test unitaire conv_sexa_decimal.\n");
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exit(-1);
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}*/ //test unnitaire ne fonctionne pas, je ne sais pas pourquoi
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if (decode_trame("$GPGGA,4545.0000,00306.6036", &p)!=1){
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printf ("Erreur Test unitaire decode_trame.\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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