root/branch/RIVERA_Orlani/sp4a12/main.c @ 583
| 1 | jalaffon | #include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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| 501 | orrivera | #include "trame.h"
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#include <math.h>
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| 1 | jalaffon | ||
//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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| 360 | orrivera | ||
| 487 | orrivera | typedef struct
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{
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float latitude;
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float longitude;
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| 501 | orrivera | }position;
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| 487 | orrivera | ||
| 501 | orrivera | typedef struct
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{
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position repos;
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float vmax;
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| 490 | orrivera | }Zone;
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Zone zones[]={
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{{44.7887762, -3.012}, 50},
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{{44.7891220, -3.013}, 70},
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{{45.3456220, -3.045}, 80},
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{{46.7350220, -3.023}, 90},
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};
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| 501 | orrivera | int trame_cmp(char* trame, char* type) /* fonction qui renvoie 1 si la trame commence par la cha?ne de caract?re type et z?ro sinon */
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| 360 | orrivera | {
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| 479 | orrivera | int i, ok = 1;
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for(i = 0; i < 5; i++)
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| 360 | orrivera | {
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| 501 | orrivera | if(trame[i+1] != type[i]) /* La trame commence ? partir du 2eme terme */
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| 360 | orrivera | {
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ok = 0;
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}
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}
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| 479 | orrivera | return ok;
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| 367 | orrivera | }
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| 501 | orrivera | int decode_nombre(char *ch, int n) /*fonction qui renvoie la valeur d?cimale des n premiers caract?res de la cha?ne ch */
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| 371 | orrivera | {
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| 501 | orrivera | int i, s = 0;
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for(i = 0; i < n; i++)
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| 371 | orrivera | {
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| 501 | orrivera | s = (s*10) + decode_int(ch[i]);
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| 371 | orrivera | }
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return s;
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}
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| 501 | orrivera | int decode_int(char c) /* qui renvoie la valeur d?cimale associ?e ? un caract?re donn? en param?tre */
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| 367 | orrivera | {
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int decode;
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if((c<'9')&&(c>='0'))
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{
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| 501 | orrivera | decode = c - 48; /* Soustraction de 48 au code ascii */
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| 367 | orrivera | }
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else
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{
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| 501 | orrivera | decode = -1; /* renvoie -1 si le caract?re rentr? n'est pas un chiffre*/
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| 367 | orrivera | }
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return decode;
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}
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| 371 | orrivera | ||
| 484 | orrivera | 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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| 501 | orrivera | minute = decode_nombre (&ch[2], 2); /* Recuperation de la partie entiere correspondant aux degrees, minutes */
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| 484 | orrivera | 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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| 485 | orrivera | 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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| 486 | orrivera | 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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| 487 | orrivera | 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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| 488 | orrivera | ||
| 583 | orrivera | float calcul_distance(position p1, position p2)
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| 488 | orrivera | {
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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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| 489 | orrivera | ||
| 583 | orrivera | float calcul_vitesse(position p1, position p2)
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| 489 | orrivera | {
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float vitesse, distance;
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distance = calcule_distance(p1,p2);
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vitesse = distance *3600;
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return vitesse;
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}
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| 490 | orrivera | ||
int distance_a_la_plus_proche_zone (position p, zone r[], int nb_zones, float* d )
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{
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float d1;
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int a=0,i;
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*d=calcul_distance(p, r[0].rpos);
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for(i=1;i<nb_zones;i++)
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{
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d1=calcul_distance(p, r[i].rpos);
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if(d1<(*d)){
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(*d)=d1;
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a=i;
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}
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}
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return a;
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| 501 | orrivera | }*/
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| 367 | orrivera | ||
| 1 | jalaffon | //Fonction ? modifier !!!!!
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void traitement(char * trame)
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| 358 | orrivera | {
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| 371 | orrivera | static int cpt=0;
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| 583 | orrivera | cpt++;
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float d,vitesse; //d = distance
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int a,trame_ok;
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int nb_zones = 4;
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Position p;
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trame_ok = decode_trame(trame,&p);
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if(trame_ok==1) // si la trame est valide
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| 482 | orrivera | {
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| 583 | orrivera | printf("%s\n", trame);
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a = distance_a_la_plus_proche_zone(p,zones,nb_zones,&d);
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vitesse = calcul_vitesse(p,zones[a].rpos); // calcul de la vitesse
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if(d > 680 && vitesse > 2464890) // valeurs seuil
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{
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printf("alarme=on\n"); // si les conditions sont r?unies alarme=on
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printf("distance: %f ", d);
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printf("vitesse;%f\n",vitesse);
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}
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else
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{
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printf("alarme=off\n"); // sinon alarme=off
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}
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}
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| 213 | jalaffon | }
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| 1 | jalaffon | ||
| 366 | orrivera | //Ajouter vos tests unitaires dans cette fonction.
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| 501 | orrivera | void tests_unitaires(void)
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{
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| 366 | orrivera | ||
| 501 | orrivera | if (5!=5)
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{
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| 1 | jalaffon | printf ("Erreur Test unitaire basique.\n");
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exit(-1);
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| 366 | orrivera | }
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| 501 | orrivera | ||
| 479 | orrivera | /* Tests trame */
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| 501 | orrivera | ||
if (trame_cmp("$GPGGA suite chaine","GPGGA")!=1)
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{
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| 1 | jalaffon | printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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| 360 | orrivera | }
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| 501 | orrivera | if (trame_cmp("$GPRMC suite chaine", "GPGGA")!=0)
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{
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| 360 | orrivera | printf("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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| 501 | orrivera | if (trame_cmp("$GPRMC...", "GPRMC")!=1)
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{
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| 479 | orrivera | printf("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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| 501 | orrivera | if (trame_cmp("$APRMC...", "GPGGA")!=0)
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{
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| 479 | orrivera | printf("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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| 501 | orrivera | ||
/* Tests decode_int */
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if (decode_int('5')!=5)
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{
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| 367 | orrivera | printf("Erreur Test unitaire decode_int.\n");
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exit(-1);
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| 501 | orrivera | }
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if (decode_int('A') != -1)
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{
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| 480 | orrivera | printf("Erreur Test unitaire decode_int.\n");
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exit(-1);
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}
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| 481 | orrivera | */
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| 501 | orrivera | /* Tests decode_nombre */
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if (decode_nombre(7541,2) != 75)
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{
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| 481 | orrivera | printf("Erreur Test unitaire decode_nombre.\n");
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exit(-1);
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}
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| 501 | orrivera | if (decode_nombre(987654321,2) != 98)
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{
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| 481 | orrivera | printf("Erreur Test unitaire decode_nombre.\n");
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exit(-1);
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}
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| 485 | orrivera | if (conversion_latitude(3723.2475,N) != 37,387458) {
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| 484 | orrivera | printf("Erreur Test unitaire conversion_latitude.\n");
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exit(-1);
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| 485 | orrivera | }
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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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| 501 | orrivera | 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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}
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| 367 | orrivera | ||
| 1 | jalaffon | // Ne pas modifier cette fonction
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| 501 | orrivera | 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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| 1 | jalaffon | }
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