root/branch/clara_soulard/sp4a12/main.c @ 413
| 1 | jalaffon | #include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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| 104 | clsoulard | #include "trame.h"
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| 413 | clsoulard | #include <math.h>
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| 340 | clsoulard | ||
typedef struct {
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float latitude;
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float longitude;
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| 413 | clsoulard | } Position ;
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typedef struct {
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Position rpos;
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float vitmax;
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} Zone ;
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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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| 85 | clsoulard | int trame_cmp(char * trame, char * type)
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{
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int i=0;
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int b=0;
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int c=0;
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int ok;
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while (trame[b]!='\0')
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{
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b=b+1;
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}
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while (type[c]!='\0')
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{
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c=c+1;
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}
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for(i=0; i<=c-1; i++)
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{
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{
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if (trame[i+1]==type[i])
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{
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ok=1;
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}
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else
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{
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return 0;
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}
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}
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}
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return ok;
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}
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| 90 | clsoulard | int decode_int (char c)
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{
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int i=c-48;
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int ok=-1;
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if (i>=0 && i<=9){
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ok=i;
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}
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return ok;
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}
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| 92 | clsoulard | ||
int decode_nombre(char *ch,int n)
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{
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int b=0;
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int a=0;
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int c=0;
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int i;
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for (i=0; i<=n-1; i++){
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| 104 | clsoulard | ||
| 92 | clsoulard | a=decode_int(ch[i]);
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c=c*10+a;
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}
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| 340 | clsoulard | ||
| 92 | clsoulard | return c;
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}
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| 104 | clsoulard | ||
| 340 | clsoulard | float convertisseur_latitude (char *ch)
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{
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float lat=0.0;
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float degre=(float)decode_nombre(ch,2);
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float decim1=(float)decode_nombre(ch,4)-degre*pow(10,2);
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char chaine[50];
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int i;
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for (i=5; i<9; i++)
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{
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chaine[i-5]=ch[i];
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| 104 | clsoulard | }
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| 340 | clsoulard | float decim2=(float)decode_nombre(chaine, 4); //ok
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decim1=decim1/60.0;
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decim2=decim2/600000.0;
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lat=degre+decim1+decim2;
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| 104 | clsoulard | ||
| 340 | clsoulard | return lat;
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}
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float convertisseur_longitude (char *ch)
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{
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float longi=0.0;
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float degre=(float)decode_nombre(ch,3);
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float decim1=(float)decode_nombre(ch,5)-degre*pow(10,2);
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char chaine[50];
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int i;
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for (i=6; i<10; i++)
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{
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chaine[i-6]=ch[i];
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}
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float decim2=(float)decode_nombre(chaine, 4); //ok
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decim1=decim1/60.0;
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decim2=decim2/600000.0;
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longi=degre+decim1+decim2;
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return longi;
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}
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float latoulong (char *ch)
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{
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int i;
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i=strlen(ch);
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if (i==9)
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{
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return convertisseur_latitude(ch);
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}
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else
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{
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return convertisseur_longitude(ch);
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}
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}
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| 413 | clsoulard | float calcul_distance(Position p_1, Position p_2)
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| 340 | clsoulard | {
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| 413 | clsoulard | float S;
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float R=6371.00; //rayon de la Terre
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float P=2*M_PI*R;
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float c=P/360.00;
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S=c*pow((pow((p_2.latitude-p_1.latitude),2)+pow((p_2.longitude-p_1.longitude),2)),0.5);
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return S;
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}
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| 340 | clsoulard | ||
| 413 | clsoulard | float calcul_vitesse(Position p_1, Position p_2)
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{
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float vitesse;
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float h=36000;
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vitesse=calcul_distance(p_1, p_2)*36000;
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return vitesse;
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}
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int decode_trame(char* t, Position* p){
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int ok,i;
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char latitudecopie[9]; // chaine qui va contenir la latitude extraite de la trame
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char longitudecopie[10]; //chaine qui va contenir la longitude extraite de la trame
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ok=trame_cmp(t,"GPGGA"); // comparaison pour voir si la trame est valide
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if(ok==1)
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| 340 | clsoulard | {
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| 413 | clsoulard | for(i=0;i<9;++i)
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{
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latitudecopie[i]=t[17+i]; //on a un tableau contenant la latitude en cha?ne de caract?res
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}
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(*p).latitude=convertisseur_latitude(latitudecopie);
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| 340 | clsoulard | ||
| 413 | clsoulard | for(i=0;i<10;++i)
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{
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longitudecopie[i]=t[29+i]; //on a un tableau contenant la longitude en cha?ne de caract?res
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| 340 | clsoulard | ||
| 413 | clsoulard | }
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(*p).longitude=convertisseur_longitude(longitudecopie);
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| 340 | clsoulard | ||
| 413 | clsoulard | }else{
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exit(-1);
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} }
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| 340 | clsoulard | ||
| 413 | clsoulard | int distance_a_la_plus_proche_zone(Position p, Zone r[],int nb_zones, float *d)
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{ int i;
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float distance;
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distance=calcul_distance(p, r[0].rpos); //initialise la premiere distance ? comparer
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int index; //variable que l'on retourne ? la fin de la fonction
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| 340 | clsoulard | ||
| 413 | clsoulard | for (i=0; i<nb_zones; i++)
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| 340 | clsoulard | ||
| 413 | clsoulard | {
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*d=calcul_distance(p, r[i].rpos);
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if (*d<=distance) //si la distance entre la position p et celle du radar ? la i-?me position recens?e est inf?rieur ? la premi?re distance calcul?e, distance prends cette valeur. on retrouvera ainsi de suite la zone dangereuse la plus pr?s de la position de la voiture!
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{
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distance=*d;
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index=i;
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}
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| 340 | clsoulard | }
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| 413 | clsoulard | return index;
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| 340 | clsoulard | }
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| 1 | jalaffon | //Fonction ? modifier !!!!!
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void traitement(char * trame)
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| 63 | clsoulard | {
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static int cpt=0;
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| 85 | clsoulard | cpt++;
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| 104 | clsoulard | if((trame[5]==65)&&(trame[4]==71)&&(trame[3]==71))
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| 85 | clsoulard | {
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printf ("> %s\n",trame);
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}
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| 1 | jalaffon | }
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//Ajouter vos tests unitaires dans cette fonction.
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| 340 | clsoulard | void tests_unitaires(void){
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Position a={0.0, 1.0};
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Position *p;
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p=&a;
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| 1 | jalaffon | if (5!=5){
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printf ("Erreur Test unitaire basique.\n");
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exit(-1);
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| 85 | clsoulard | }
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| 340 | clsoulard | if (trame_cmp("$GPGGA,141922.00,4545.1810,N,00306.6046,E,1,05,3.4,500.6,M,,M,,*74","GPGGA")!=1){
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| 85 | clsoulard | printf ("Erreur 1 Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC suite chaine","GPGGA")!=0){
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printf ("Erreur 2 Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC... ", "GPRMC" )!=1){
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printf ("Erreur 3 Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$APRMC...", "GPGGA")!=0){
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printf ("Erreur 4 Test unitaire trame_cmp.\n");
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exit(-1);
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| 90 | clsoulard | }
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if(decode_int('G')!=-1){
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printf("Erreur 1 test unitaire decode_int.\n");
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}
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if(decode_int('6')!=6){
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printf("Erreur 2 test unitaire decode_int.\n");
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}
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if(decode_int('B')!=(-1)){
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printf("Erreur 3 test unitaire decode_int.\n");
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}
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if(decode_int('4')!=4){
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printf("Erreur 4 test unitaire decode_int.\n");
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}
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| 340 | clsoulard | if(decode_nombre("789654",3)!=789){
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| 92 | clsoulard | printf("Erreur sur decode_nombre.\n");
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}
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if(decode_nombre("789654",4)!=7896){
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printf("Erreur sur decode_nombre.\n");
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| 340 | clsoulard | }
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if(convertisseur_latitude("4545.1810")<45.7000 || convertisseur_latitude("4545.1810")>45.8000 ) //comme c'est des float on ne peut que encadrer la valeur
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{
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printf("Erreur sur le convertisseur latitude");
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}
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if(convertisseur_longitude("00306.6046")<03.0000 || convertisseur_latitude("00306.6046")>03.4000 )
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{
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printf("Erreur sur le convertisseur longitude");
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}
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| 413 | clsoulard | if (decode_trame("$GPGGA,141922.00,4545.1810,N,00306.6046,E,1,05,3.4,500.6,M,,M,,*74",p)==1) {
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| 340 | clsoulard | printf("Erreur sur decode_trame");
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}
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| 413 | clsoulard | //tests de certaines fonction
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Position pos;
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pos.latitude=1;
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pos.longitude=1;
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Position *posi;
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posi=&pos;
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decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D", posi);
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printf("position latitude: %f \n", (*posi).latitude);
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printf("position longtitude: %f", (*posi).longitude);
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Position position1, position2, position3, position4, position5,position6;
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//paris
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position2.latitude=48.85666666666667;
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position2.longitude=2.3519444444444444;
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//Rouen
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position1.latitude=49.443888888888885;
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position1.longitude=1.1033333333333335;
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//lille
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position3.latitude=50.63722222222222;
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position3.longitude=3.063333333333333;
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//chalons
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position4.latitude=48.9575;
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position4.longitude=4.364999999999999;
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//nice
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position5.latitude=43.7;
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position5.longitude=7.35;
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printf("fonction test distance\n");
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printf("Distance Paris-Rouen=%f\n", calcul_distance(position2, position1)); //Paris-Rouen = 135 km
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printf("Distance Paris-Lille=%f\n", calcul_distance(position2, position3)); //Paris-Lille
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printf("D2=%f\n", calcul_distance(position2, position4));
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printf("D2=%f\n", calcul_distance(position2, position5));
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Zone zones[] = {{{44.7887762, -3.012}, 50},{{44.7891220, -3,013}, 70}};
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float dist;
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float *d;
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d=&dist;
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int c;
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c=distance_a_la_plus_proche_zone(position1, zones, 2, d);
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printf("zone dangereuse : %i \n", a);
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| 85 | clsoulard | ||
| 1 | jalaffon | }
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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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| 413 | clsoulard | traitement(trame);
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| 1 | jalaffon | ||
return 0;
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}
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