Révision 420
Ajouté par Damien REGENT il y a presque 3 ans
| main.c | ||
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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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/*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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"$GPRMC,141914.00,A,4545.6424,N,00306.6036,E,0.4,99.4,010206,,*0C",
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| ... | ... | |
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"$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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typedef struct
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{
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float latitude;
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float longitude;
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} Position ;
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| ... | ... | |
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{
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Position rpos;
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float vitmax;
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}Zone;
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}zone;
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//Table des zones
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/*Table des zones*/
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Zone zones[]=
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zone zones[]=
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{
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{{44.788762, -3.012},50},
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{{44.788762, -3.013},70},
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{{45.75080886, 3.11006165}, 70},
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{{45.752910, 3.110067}, 80},
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{{46.753910, 4.618967}, 90},
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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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//tests_unitaires();
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//test_decode_int();
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//test_decode_nombre();
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//test_decode_latitude();
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//test_decode_longitude();
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//test_decode_lat_long();
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test_decode_trame();
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int nombre_zone = 5;
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Position P1,P2 ;
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Position pos, pos_prec;
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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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printf ("> %s\n",trame);
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decode_trame(trame, &P1);
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printf("\nLatitude : %f Longitude : %f\n\n", P1.latitude, P1.longitude);
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}
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}
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int distance_a_la_plus_proche_zone(Position p, Zone r[], int nb_zones, float *d)
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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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for (i=0;i<sizeof(z);i++)
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{
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}
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}
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int trame_cmp(char * trame, char * type) {
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int i=1; //Pour commencer après le $ de la trame
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int i=1; /*Pour commencer apr?s le $ de la trame*/
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int res=1;
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do
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{
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if (trame[i]==type[i-1]) {
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if (trame[i]==type[i-1])
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{
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i++;
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}
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else {
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else
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{
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res=0;
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}
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}
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while ((res!=0) && (i<6)); //on analyse le premier GP..’
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} while ((res!=0) && (i<6)); /*on analyse le premier GP est bien GPGGA*/
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return (res);
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}
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int decode_int(char c) {
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int decode_int(char c)
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{
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int i;
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i=c-48;
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if (i>9) {
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if (i>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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else
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{
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return(i);
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}
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}
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int decode_nombre(char * ch, int n) {
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int decode_nombre(char * ch, int n)
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{
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int i=0,res=0,b,p;
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for (i=0;i<n;i++) {
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for (i=0;i<n;i++)
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{
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p=1;
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for(b=0;b<n-i-1;b++){
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for(b=0;b<n-i-1;b++)
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{
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p=p*10;
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}
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res = res + decode_int(ch[i])*p;
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| ... | ... | |
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return res;
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}
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float decode_lat_long (char c[]) {
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float decode_lat_long (char c[])
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{
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int n=0, degre=0,i=1,b;
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float min=0, secondes=0, res=0,p;
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do{
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do
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{
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n++;
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} while (c[n]!='.');
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if (n==4) {
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if (n==4)
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{
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degre = (c[0]-48)*10+(c[1]-48);
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min = (c[2]-48)*10+(c[3]-48);
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} else {
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}
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else
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{
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degre = (c[0]-48)*100+(c[1]-48)*10+(c[2]-48);
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min = (c[3]-48)*10+(c[4]-48);
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}
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n++;
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do {
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do
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{
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p=1;
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for (b=0;b<i;b++) {
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for (b=0;b<i;b++)
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{
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p=p*0.1;
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}
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secondes= secondes + (c[n]-48)*p;
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i++;
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n++;
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} while (c[n]!='\0');
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res = degre + (min+secondes)/60;
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return res;
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}
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void decode_trame(char * trame, Position * P) {
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int n=17,cpt=0; //n=17 car le codage d'une latitude commence ? l'indice 17 ds la trame
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int n=17,cpt=0; /*n=17 car le codage d'une latitude commence ? l'indice 17 ds la trame*/
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char lat[10],lon[10];
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do {
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do
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{
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lat[cpt]=trame[n];
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n++;
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cpt++;
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} while (trame[n]!=',');
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cpt=0; //cpt qui balaye le char lat/long
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n=29; //codage d'une longitude commence ? l'indice 29 ds la trame
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do {
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cpt=0; /*cpt qui balaye le char lat/long*/
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n=29; /*codage d'une longitude commence ? l'indice 29 ds la trame*/
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do
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{
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lon[cpt]=trame[n];
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n++;
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cpt++;
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} while (trame[n]!=',');
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(*P).latitude = decode_lat_long(lat); //ne pas mettre de chiffre cela na aps de sens
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(*P).latitude = decode_lat_long(lat); /*ne pas mettre de chiffre cela na aps de sens*/
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(*P).longitude = decode_lat_long(lon);
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}
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float calcul_distance(Position p_1,Position p_2) {
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float x,y,res;
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x=(p_2.longitude - p_1.longitude)*cos((p_2.latitude + p_1.latitude) / 2);
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| ... | ... | |
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return res;
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}
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float calcul_vitesse(Position p_1, Position p_2)
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{
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float vitesse;
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vitesse = calcul_distance(p_1, p_2)/3600;
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vitesse = calcul_distance(p_1, p_2)*3600;
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return vitesse;
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}
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/*Ajouter vos tests unitaires dans cette fonction.*/
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void tests_unitaires_trame_cmp(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("$GPGGA suite chaine","GPGGA")!=1)
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{
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC suite chaine","GPGGA")!=0)
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{
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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("$GPRMC... ", "GPRMC" )!=1)
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{
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$APRMC...", "GPGGA")!=0)
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{
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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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//Ajouter vos tests unitaires dans cette fonction.
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/*void tests_unitaires_trame_cmp(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 Testtest_decode_trame 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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}*/
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void test_decode_int(void) {
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if (decode_int('0')!=0) {
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void test_decode_int(void)
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{
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if (decode_int('0')!=0)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('1')!=1) {
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if (decode_int('1')!=1)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('2')!=2) {
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if (decode_int('2')!=2)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('3')!=3) {
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if (decode_int('3')!=3)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('4')!=4) {
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if (decode_int('4')!=4)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('5')!=5) {
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if (decode_int('5')!=5)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('6')!=6) {
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if (decode_int('6')!=6)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('7')!=7) {
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if (decode_int('7')!=7)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('8')!=8) {
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if (decode_int('8')!=8)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('9')!=9) {
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if (decode_int('9')!=9)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_int('A')!=-1) {
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if (decode_int('A')!=-1)
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{
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printf("erreur");
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exit(-1);
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}
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}
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void test_decode_nombre(void) {
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void test_decode_nombre(void)
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{
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if (decode_nombre("7541",2)!=75) {
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if (decode_nombre("7541",2)!=75)
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{
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printf("erreur");
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exit(-1);
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}
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if (decode_nombre("7541",3)!=754) {
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if (decode_nombre("7541",3)!=754)
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{
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printf("erreur");
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exit(-1);
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}
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}
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void test_decode_lat_long(void) {
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void test_decode_lat_long(void)
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{
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float a,b,c,e;
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a= 37.387458 - decode_lat_long("3723.2475");
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c= 45.760703 - decode_lat_long("4545.6422");
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b=3.11006 - decode_lat_long("00306.6036");
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e= 3.110077 - decode_lat_long("00306.6046");
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if (a*a > 0.000001){
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if (a*a > 0.000001)
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{
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printf("erreur");
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exit(-1);
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}
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if (b*b > 0.000001){
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if (b*b > 0.000001)
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{
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printf("erreur2");
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exit(-1);
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}
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if (c*c > 0.000001){
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if (c*c > 0.000001)
|
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{
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printf("erreur2");
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exit(-1);
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}
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if (e*e > 0.000001){
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if (e*e > 0.000001)
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{
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printf("erreur2");
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exit(-1);
|
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}
|
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|
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}
|
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|
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void test_decode_trame(void) {
|
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void test_decode_trame(void)
|
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{
|
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float a,b;
|
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Position P1;
|
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|
|
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decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&P1);
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a= 3.110061 - P1.longitude;
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b= 45.75 - P1.latitude;
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
|
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if ((a*a > 0.000001) && (b*b > 0.000001))
|
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{
|
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printf("erreur");
|
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exit(-1);
|
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}
|
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| ... | ... | |
|
decode_trame("$GPGGA,141917.00,4545.0726,N,00306.6039,E,1,05,3.4,499.6,M,,M,,*73",&P1);
|
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a= 3.110066 - P1.longitude;
|
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b= 45.751209 - P1.latitude;
|
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
|
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if ((a*a > 0.000001) && (b*b > 0.000001))
|
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{
|
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|
printf("erreur");
|
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|
exit(-1);
|
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|
}
|
||
| ... | ... | |
|
decode_trame("$GPGGA,141918.00,4545.0968,N,00306.6034,E,1,05,3.4,498.8,M,,M,,*7A",&P1);
|
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a= 3.110057 - P1.longitude;
|
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|
b= 45.751614 - P1.latitude;
|
||
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
|
||
|
if ((a*a > 0.000001) && (b*b > 0.000001))
|
||
|
{
|
||
|
printf("erreur");
|
||
|
exit(-1);
|
||
|
}
|
||
| ... | ... | |
|
decode_trame("$GPGGA,141919.00,4545.1210,N,00306.6040,E,1,05,3.4,500.2,M,,M,,*77",&P1);
|
||
|
a= 3.110067 - P1.longitude;
|
||
|
b= 45.752018 - P1.latitude;
|
||
|
if ((a*a > 0.000001) && (b*b > 0.000001)) {
|
||
|
if ((a*a > 0.000001) && (b*b > 0.000001))
|
||
|
{
|
||
|
printf("erreur");
|
||
|
exit(-1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
// Ne pas modifier cette fonction
|
||
|
int distance_a_la_plus_proche_zone(Position p, zone r[], int nb_zones, float *d)
|
||
|
{
|
||
|
int i,j;
|
||
|
float ref;
|
||
|
ref = calcul_distance(p,r[0].rpos); /*creation reference sur la premiere zone du tableau pour commencer la boucle*/
|
||
|
for(i=0; i<nb_zones; i++)
|
||
|
{
|
||
|
*d=calcul_distance(p,r[i].rpos);
|
||
|
if(*d<=ref)
|
||
|
{
|
||
|
j=i; /*changement de l'indice de la zone la plus proche*/
|
||
|
ref=*d; /*changement de la reference en distance de la zone la plus proche*/
|
||
|
}
|
||
|
}
|
||
|
return j;
|
||
|
}
|
||
|
|
||
|
void test_distance_a_la_plus_proche_zone(void)
|
||
|
{
|
||
|
Position pos1;
|
||
|
pos1.latitude = 45.752911;
|
||
|
pos1.longitude = 3.110066;
|
||
|
|
||
|
float dist=0.0;
|
||
|
if(distance_a_la_plus_proche_zone(pos1,zones,nombre_zone,&dist)!=3)
|
||
|
{
|
||
|
printf ("Erreur Test unitaire calcul distance_a_la_proche_zone.\n");
|
||
|
exit(-1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*Fonction ? modifier !*/
|
||
|
void traitement(char * trame)
|
||
|
{
|
||
|
/*tests_unitaires();
|
||
|
/test_decode_int();
|
||
|
/test_decode_nombre();
|
||
|
/test_decode_latitude();
|
||
|
/test_decode_longitude();
|
||
|
/test_decode_lat_long();
|
||
|
/test_decode_trame();*/
|
||
|
|
||
|
float v, d;
|
||
|
int zone_nb,trame_ok;
|
||
|
int alarme=0;
|
||
|
int seuil_d=1; /*distance maximale pour que l'alarme se d?clenche*/
|
||
|
static int cpt=0;
|
||
|
|
||
|
trame_ok=1;
|
||
|
cpt++;
|
||
|
if (trame_cmp(trame,"GPGGA") == 1)
|
||
|
{
|
||
|
printf ("> %s\n",trame);
|
||
|
if(trame_ok==1)
|
||
|
{
|
||
|
trame_ok=0;
|
||
|
decode_trame(trame, &pos);
|
||
|
if(&pos) /*v?rifier si pos existe*/
|
||
|
{
|
||
|
v=calcul_vitesse(pos,pos_prec);
|
||
|
zone_nb=distance_a_la_plus_proche_zone(pos,zones,nombre_zone,&d); /*d?finir la zone la plus proche de la position actuelle pos*/
|
||
|
if((d<seuil_d)&(v>zones[zone_nb].vitmax)) /*verifier si la voiture est proche de la zone et si la vitesse du vehicule est trop ?lev?e pour cette zone*/
|
||
|
{
|
||
|
alarme=1;
|
||
|
}
|
||
|
if(alarme==1)
|
||
|
{
|
||
|
printf("Alarme ON\n");
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
printf("Alarme OFF\n");
|
||
|
}
|
||
|
pos_prec=pos; /*la position donn?e par la trame trait?e devient la position pr?c?dente pour le calcul de vitesse et de distance de la prochaine trame*/
|
||
|
}
|
||
|
printf("vitesse : %.2f distance : %.2f\n\n",v,d);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Ne pas modifier cette fonction*/
|
||
|
int main(int argc,char ** argv)
|
||
|
{
|
||
|
|
||
|
// Affichage des trames definies dans la table trames.
|
||
|
/* Affichage des trames definies dans la table trames.*/
|
||
|
printf ("Trames de tests tableau trames:\n");
|
||
|
int i=0;
|
||
|
while (trames[i])
|
||
| ... | ... | |
|
|
||
|
if (!trame_init())
|
||
|
exit(-1);
|
||
|
// Affichage des trames du fichier gps.log
|
||
|
/* Affichage des trames du fichier gps.log*/
|
||
|
char *trame;
|
||
|
printf ("Trames de tests du fichier gps.log\n");
|
||
|
while ((trame = trame_suivante()))
|
||
Formats disponibles : Unified diff
Fin de la dernière fonction et tests du programme terminés + indentation et commentaires