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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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#include<math.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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int trame_cmp(char * trame,char * type)
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{
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int i;
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int ok=1;
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for(i=0;i<4;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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}
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return ok;
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}
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int decode_int(char c)
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{
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int nb;
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nb = c-48;
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if((nb<0)||(nb>9))
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{
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return -1;
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}
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else
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{
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return nb;
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}
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}
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int decode_nombre(char *ch,int i,int n)
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{
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int res=0;
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int j;
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for(j=i;j<i+n;j++)
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{
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res=(res*10)+decode_int(ch[j]);
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}
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return res;
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}
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float latitude(char *ch)
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{
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float res, res1, res2, res3;
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res1 = decode_nombre(ch,17,2);
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res2 = decode_nombre(ch,19,2);
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res3 = decode_nombre(ch,22,4);
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res = res1 + (res2 + res3/10000)/60;
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return res;
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}
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float longitude(char *ch)
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{
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float res, res1, res2, res3;
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res1 = decode_nombre(ch,29,3);
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res2 = decode_nombre(ch,32,2);
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res3 = decode_nombre(ch,35,4);
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res = res1 + (res2 + res3/10000)/60;
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if(ch)
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return res;
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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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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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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('5')!=5){
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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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if(decode_nombre("7558",0,2)!=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(fabs(latitude("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D")-45.75) > 10-6){
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printf ("Erreur Test unitaire latitude.\n");
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exit(-1);
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}
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if(fabs(longitude("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D")-3.11006) > 10-6){
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printf ("Erreur Test unitaire 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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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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