root/branch/BRAVO/sp4a12/main.c @ 571
| 1 | jalaffon | #include <stdio.h>
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#include <stdlib.h>
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| 313 | djbravo | #include <strings.h>
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#include <math.h>
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| 520 | djbravo | #include "trame.h"
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#define Rterre 6370
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#define PI 3.14159
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//Structure
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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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}Pos;
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//Position p1,p2;
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typedef struct
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{
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Pos rp;
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float vitmax;
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}Zone;
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| 1 | jalaffon | ||
| 520 | djbravo | Zone zones[] = {
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{{44.7887762, -3.012}, 50}, /* Descripteur de la premi?re zone */
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{{44.7891220, -3,013}, 70},
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{{46.2514780, 4.000}, 80},
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};
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int nb_zone=3;
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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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| 135 | djbravo | 0};
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| 167 | djbravo | ||
| 520 | djbravo | ||
//Fontions personnelles
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/*void decode_trame(char * tr){
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| 167 | djbravo | //implanter une partie de votre code ICI.
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Appel de ma_fonction() ;
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}
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void traitement (char * trame){
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//implanter une partie de votre code ICI par exemple :
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printf (?%s \n ?,trame) ;
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decode_trame(trame,) ;
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printf ?
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}
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*/
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| 520 | djbravo | int trame_cmp(char*trame, char*type)
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| 296 | djbravo | {
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| 167 | djbravo | int i=0, ok=1;
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| 135 | djbravo | ||
| 167 | djbravo | for(i=0;i<6;i++)
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| 135 | djbravo | {
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| 167 | djbravo | if(trame[i+1] !=type[i])
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| 135 | djbravo | {
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| 167 | djbravo | ok=0;
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| 135 | djbravo | }
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| 167 | djbravo | else
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{
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ok=1;
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}
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| 135 | djbravo | }
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return ok;
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}
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| 167 | djbravo | ||
| 1 | jalaffon | ||
//Fonction ? modifier !!!!!
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void traitement(char * trame)
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{
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| 131 | djbravo | static int cpt=0 ;
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cpt++ ;
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| 520 | djbravo | Pos p;
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| 131 | djbravo | ||
| 520 | djbravo | if(trame_cmp(trame,"GPGGA")==1)
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| 167 | djbravo | {
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| 520 | djbravo | printf("%s\n",trame);
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decode_trame(trame,&p);
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| 167 | djbravo | ||
| 520 | djbravo | printf("Latitude= %f , Longtude= %f \n",p.Latitude,p.Longitude);
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}
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| 1 | jalaffon | }
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| 167 | djbravo | ||
| 1 | jalaffon | ||
//Ajouter vos tests unitaires dans cette fonction.
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| 135 | djbravo | void tests_unitaires(void){
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if (5!=5){
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printf ("Erreur Test unitaire basique.\n");
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exit(-1);
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}
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if (trame_cmp("$GPGGA suite chaine","GPGGA")!=1){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC suite chaine","GPGGA")!=0){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC... ", "GPRMC" )!=1){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$APRMC...", "GPGGA")!=0){
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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| 1 | jalaffon | }
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| 167 | djbravo | ||
int decode_int(char c)
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{
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| 520 | djbravo | int b;
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| 167 | djbravo | if(c>='0' && (c<='9'))
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{
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| 520 | djbravo | b=c-48;
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| 167 | djbravo | }
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else
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{
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if((c>='A') && c<='Z')
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{
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| 520 | djbravo | b=64-c;
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| 167 | djbravo | }
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}
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| 520 | djbravo | return b;
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| 167 | djbravo | }
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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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printf("Erreur test decode_int.\n");
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}
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if (decode_int('1')!=1){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('2')!=2){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('3')!=3){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('4')!=4){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('5')!=5){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('6')!=6){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('7')!=7){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('8')!=8){
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printf("Erreur test decode_int.\n");
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}
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if (decode_int('9')!=9){
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printf("Erreur test decode_int.\n");
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}
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}
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| 520 | djbravo | int decode_nombre(char *ch,int i,int n)
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| 167 | djbravo | {
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| 520 | djbravo | int temp=0, j;
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| 167 | djbravo | ||
| 520 | djbravo | for(j=i;j<i+n;j++)
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| 167 | djbravo | {
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| 520 | djbravo | temp=(temp*10) + decode_int(ch[j]);
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| 167 | djbravo | }
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return temp;
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}
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void test_decode_nombre(void)
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{
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| 520 | djbravo | if(decode_nombre("4325",0,2)!=43){
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| 167 | djbravo | printf("Erreur test decode_nombre.\n");
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}
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| 520 | djbravo | if(decode_nombre("6789",1,3)!=789){
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printf("Erreur test decode_nombre.\n");
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}
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| 167 | djbravo | }
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| 296 | djbravo | float decode_latitude(char *trame )
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| 167 | djbravo | {
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| 520 | djbravo | float deg,reste,flottant,res;
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| 296 | djbravo | int i=17;
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| 520 | djbravo | deg=decode_nombre(trame,i+2,i);
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reste=decode_nombre(trame,i+4,i+2);
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flottant=decode_nombre(trame,i+10,i+5);
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res=deg+((reste+(flottant/10000))/60);
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| 167 | djbravo | ||
| 520 | djbravo | if(trame[40]=='W')
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{
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res-=res;
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}
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| 296 | djbravo | return res;
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}
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float decode_longitude(char *trame )
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{
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| 520 | djbravo | float deg,reste,flottant,res;
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int j=30;
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deg=decode_nombre(trame,j+2,j);
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reste=decode_nombre(trame,j+3,j+2);
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flottant=decode_nombre(trame,j+10,j+5);
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res=deg+((reste+(flottant/10000))/60);
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| 296 | djbravo | ||
| 520 | djbravo | if(trame[40]=='S')
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{
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res-=res;
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}
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| 296 | djbravo | return res;
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}
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| 520 | djbravo | void decode_trame(char *trame,Pos *P)
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| 296 | djbravo | {
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| 520 | djbravo | P->Latitude=decode_latitude(trame);
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P->Longitude=decode_longitude(trame);
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| 296 | djbravo | }
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| 313 | djbravo | ||
| 520 | djbravo | float calcule_distance(Pos p1, Pos p2)
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| 313 | djbravo | {
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float distance;
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| 520 | djbravo | distance=((2*3.14*Rterre)/360)*sqrt((p2.Latitude-p1.Latitude)*(p2.Latitude-p1.Latitude)+(p2.Longitude-p1.Longitude)*(p2.Longitude-p1.Longitude));
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| 313 | djbravo | return distance;
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}
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| 520 | djbravo | ||
float calcule_vitesse(Pos p1, Pos p2)
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| 313 | djbravo | {
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float vitesse;
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| 520 | djbravo | vitesse=(calcule_distance(p1,p2)*3600); /* v(m/s)=d/t le temps est 1s donc on multiplie par 3600 pour l'avoir en km/h */
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| 313 | djbravo | return vitesse;
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}
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| 520 | djbravo | int distance_la_plus_proche_zone(Pos p, Zone rp[], int nbzones, float *d)
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| 313 | djbravo | {
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| 520 | djbravo | float Dist_int;
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int i, j;
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| 313 | djbravo | ||
| 520 | djbravo | Dist_int = calcule_distance(&p, &rp[0].rp);
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for (i=0; i<nbzones; i++)
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{
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*d = calcul_distance(&p, &rp[i].rp);
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if (*d<=Dist_int)
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{
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j=i;
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Dist_int=*d;
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}
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}
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return j;
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| 313 | djbravo | }
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| 296 | djbravo | ||
| 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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| 131 | djbravo | ||
| 1 | jalaffon | while ((trame = trame_suivante()))
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traitement(trame);
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return 0;
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}
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