root/branch/Guer/sp4a12/main.c @ 485
| 1 | jalaffon | #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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| 127 | yoguer | #include <math.h>
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| 460 | yoguer | ||
int tab_memoirelatlong[2];
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| 127 | yoguer | ||
//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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| 109 | yoguer | ||
| 127 | yoguer | ||
| 109 | yoguer | int decode_int(char c)
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{
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int a=0;
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if(c>=48 && c<=57) //v?rifie que le caract?re est entre 0 et 9 compris
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{
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| 258 | yoguer | a=c-48; //donne la valeur en d?cimal du code ascii
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| 109 | yoguer | }
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else
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{
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a=-1; //renvoie -1 si autres caract?res que 0 ? 9
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}
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return a;
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}
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| 3 | jalaffon | ||
| 127 | yoguer | int decode_nombre(char *ch,int n)
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{
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| 274 | yoguer | int tab[n],i,retour=0,memoire=0;
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| 101 | yoguer | ||
| 127 | yoguer | for(i=0;i<n;i++)
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{
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tab[i]=decode_int(ch[i]);
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| 229 | yoguer | ||
if(tab[i]!= -1)
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{
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| 258 | yoguer | retour=(retour*10)+tab[i];
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| 274 | yoguer | memoire++;
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| 229 | yoguer | }
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| 127 | yoguer | }
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| 274 | yoguer | ||
if((ch[memoire+2]=='S')||(ch[memoire+2]=='W'))
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{
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retour=retour*(-1);
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}
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| 127 | yoguer | return retour;
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}
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| 460 | yoguer | int conversion_sexa(char *latitude_longitude)
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| 127 | yoguer | {
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| 274 | yoguer | float reste,resultat;
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| 460 | yoguer | int resultVF=0;
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| 127 | yoguer | ||
| 409 | yoguer | int tram=decode_nombre(latitude_longitude,12);
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/* int degres=(tram/1000000); //on travailler en virgule flottante
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reste=(tram-(degres*1000000));
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reste=(reste/10000);
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resultat=(degres+(reste/60));*/
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| 274 | yoguer | int degres=(tram/1000000);
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reste=(tram-(degres*1000000));
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reste=(reste/10000);
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| 409 | yoguer | resultVF=(degres*600000+reste*10000); //on travail en 1/10000('/?)
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//On calcule un K pour passer en rad qui vaut 2.907718*10^-8
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| 274 | yoguer | ||
| 409 | yoguer | return resultVF;
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| 127 | yoguer | }
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| 101 | yoguer | int trame_cmp(char * trame, char * type)
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{
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int i=0, validation=0, j=0;
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while(type[i]!='\0') //permet de connaitre la taille de la chaine
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{
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i++;
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}
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for(j=0;j<i;j++)
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{
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if(trame[j+1]==type[j]) //v?rifie si chaque caract?res sont ?gaux
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{
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validation=1;
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}
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else
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{
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validation=0;
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j=i; //permet de pas recommencer une v?rif si un caract?re n'est pas retrouv?
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}
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}
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return validation;
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| 102 | yoguer | printf("%d\n", validation);
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| 3 | jalaffon | }
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| 102 | yoguer | ||
| 409 | yoguer | ||
| 460 | yoguer | void traitement_trame(char *trame,int *platitude,int *plongitude)
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| 409 | yoguer | {
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| 460 | yoguer | char tab_latitude[13],tab_longitude[14];
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| 409 | yoguer | int i,j;
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for(i=0;i<11;i++)
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{
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tab_latitude[i]=trame[i+17];
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}
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| 460 | yoguer | *platitude=conversion_sexa(tab_latitude);
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| 409 | yoguer | ||
for(j=0;j<12;j++)
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{
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tab_longitude[j]=trame[j+29];
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}
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| 460 | yoguer | *plongitude=conversion_sexa(tab_longitude);
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| 409 | yoguer | ||
printf ("> %s\n",trame);
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| 460 | yoguer | }
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int calcul_vitesse(int *platitude,int *plongitude)
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{
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| 485 | yoguer | long vitesse,distance;
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| 460 | yoguer | ||
if((tab_memoirelatlong[0]!=*platitude) || (tab_memoirelatlong[1]!=*plongitude))
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{
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distance=sqrt((*platitude-tab_memoirelatlong[0])*(*platitude-tab_memoirelatlong[0])+(*plongitude-tab_memoirelatlong[1])*(*plongitude-tab_memoirelatlong[1]));
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vitesse=distance*0.1852507138; //rayon de la terre * kradian=0.1852507138 (vitesse en m/s)
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vitesse=vitesse*3.6; //vitesse en km/h, 3.6=3600s/1000m
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printf("distance=%d\n",distance);
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printf("vitesse=%d\n",vitesse);
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printf("latitude=%d\n",*platitude);
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printf("longitude=%d\n",*plongitude);
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printf("memolat=%d\n",tab_memoirelatlong[0]);
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printf("memolong=%d\n",tab_memoirelatlong[1]);
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| 409 | yoguer | }
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| 460 | yoguer | tab_memoirelatlong[0]=*platitude;
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tab_memoirelatlong[1]=*plongitude;
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| 409 | yoguer | }
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| 1 | jalaffon | ||
//Fonction ? modifier !!!!!
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void traitement(char * trame)
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| 96 | yoguer | {
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static int cpt=0;
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| 102 | yoguer | cpt++ ;
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| 460 | yoguer | int latitude, longitude;
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int *platitude=&latitude,*plongitude=&longitude;
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if (trame_cmp(trame,"GPGGA")==1)
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{
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traitement_trame(trame,platitude,plongitude);
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calcul_vitesse(platitude,plongitude);
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}
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| 1 | jalaffon | }
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| 127 | yoguer | ||
| 1 | jalaffon | ||
| 127 | yoguer | //**************************************************************************************************************************************************************************
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| 101 | yoguer | ||
| 1 | jalaffon | // 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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| 101 | yoguer | ||
| 109 | yoguer | //Ajouter vos tests unitaires dans cette fonction.
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void tests_unitaires(void)
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{
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if (5!=5)
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{
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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("$GPGGA suite chaine","GPGGA")==0){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC 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("$GPRMC... ", "GPRMC" )==0){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$APRMC...", "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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test_decode_int(); //test la fonction decode_int
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| 127 | yoguer | test_decode_nombre(); //test la fonction decode_nombre
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| 274 | yoguer | test_conversion_latitude_longitude(); //test la fonction conversion_char_latitude
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| 109 | yoguer | }
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void test_decode_int(void)
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{
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char i;
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for(i=0;i<10;i++)
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{
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| 127 | yoguer | if (decode_int('0'+i)==i);
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| 109 | yoguer | {
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printf("GOOD pour le caractere: %hd\n",i); //test si la fonction renvoie bien la bonne valeur d?cimal
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}
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}
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if(decode_int('A')==-1)
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{
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| 127 | yoguer | printf("GOOD pour le caractere A\n\n"); //test si la fonction renvoie -1 pour le caract?re A
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| 109 | yoguer | }
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}
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| 127 | yoguer | ||
void test_decode_nombre(void)
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{
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char *ch;
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int n;
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ch="246500";
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n=3;
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if(decode_nombre(ch,n)==246);
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{
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printf("decode nombre=%hd pour ch=%s et n=%d\n",decode_nombre(ch,n),ch,n);
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}
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ch="28600";
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n=4;
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if(decode_nombre(ch,n)==246);
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{
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printf("decode nombre=%hd pour ch=%s et n=%d\n\n",decode_nombre(ch,n),ch,n);
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}
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}
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| 274 | yoguer | void test_conversion_latitude_longitude(void)
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| 193 | yoguer | {
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| 409 | yoguer | char *trame_latitude_longitude;
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trame_latitude_longitude="35723.2475,W";
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| 460 | yoguer | int retour;
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| 127 | yoguer | ||
| 409 | yoguer | retour=conversion_sexa(trame_latitude_longitude);
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| 460 | yoguer | //printf("retour=%ld",retour);
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| 193 | yoguer | }
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