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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include "trame.h"
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#include <math.h>
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int memo_L;
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int memo_l;
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typedef struct p_tab
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{
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char lat[11];
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char lon[12];
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}p_tab;
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typedef struct p_vfixe
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{
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long lat;
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long lon;
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}p_vfixe;
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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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"$GPRMC,141914.00,A,4545.6424,N,00306.6036,E,0.4,99.4,010206,,*0C",
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"$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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// Fonction trame_cmp
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int trame_cmp (char * trame, char * type) {
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int i=0;
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int verif = 0;
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int j;
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while (type[i] != '\0') {
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i++;
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}
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for (j=0;j<i;j++){
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if (trame[j+1] != type[j]){
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verif = 0;
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j=i;
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}
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else {
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verif = 1;
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}
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}
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return verif;
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}
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// Fonction decode_int
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int decode_int(char c)
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{
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int res;
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if (c >= 48 && c<=57) {
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res = c-48;
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}
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else {
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res = -1;
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}
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return res;
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}
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// Fonction decode_nombre
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int decode_nombre (char * trame) {
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int i=0;
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int j=0,memoire=0;
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int res3=0;
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char tab[9];
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int res4=0;
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while (i<10)
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{
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if (decode_int(trame[i])!=(-1))
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{
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tab [j]=decode_int(trame[i]);
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res3 = res3*10+tab[j];
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memoire++;
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}
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i++;
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j++;
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}
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switch(trame[memoire+2])
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{
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case 'S' :
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res3 = res3*(-1);
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break;
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case 'W' :
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res3 = res3*(-1);
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break;
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}
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return res3;
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}
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int Conversion_sexagesimale(int nb_sexa)
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{
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int degres=0,result_min=0;
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int stock=0;
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int result_vf=0;
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stock = nb_sexa;
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degres=stock/1000000;
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result_min=(stock-(degres*1000000));
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/* 1/10000 de minute => K = 1.666*10^-6 pour passer en degr?s
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K_rad = 1.666*10^-6 * Pi/180 */
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result_vf = (degres*600000)+(result_min);
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// printf("%ld\n",result_vf);
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return result_vf;
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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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static int cpt=0 ;
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cpt++ ;
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p_tab p1;
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p_vfixe p2;
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if (trame_cmp(trame,"GPGGA")==1) {
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printf ("> %s\n",trame);
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decode_trame(&p1,trame);
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p2.lat = decode_nombre(&p1.lat);
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p2.lon = decode_nombre(&p1.lon);
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/* printf("Latitude %ld\n",resultat_L);
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printf("Longitude : %ld\n",resultat_l); */
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p2.lat = Conversion_sexagesimale(p2.lat);
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p2.lon = Conversion_sexagesimale(p2.lon);
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printf("Latitude %ld\n",p2.lat);
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printf("Longitude : %ld\n",p2.lon);
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stock_lat_lon (p2.lat, p2.lon);
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}
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}
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void stock_lat_lon (long lat_R, long lon_R)
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{
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if ((lat_R != memo_L) || (lon_R != memo_l))
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{
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calcul_distance(lat_R,memo_L,lon_R,memo_l);
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printf("Test2 :%ld\n",memo_L);
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printf("Test1 :%ld\n",memo_l);
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}
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memo_L = lat_R;
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memo_l = lon_R;
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}
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void calcul_distance (long lat1, long lat2, long lon1, long lon2)
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{
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long delta_lat = lat1 - lat2;
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long deltat_lon = lon1 - lon2;
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long distance = sqrt(pow(delta_lat,2)+ pow(deltat_lon,2));
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calcul_vitesse(distance);
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printf("Test_dist : %ld\n",distance);
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}
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void calcul_vitesse (long distance)
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{
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long vitesse = 0;
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// Coef en radiant : 1.85*10^-4
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vitesse = distance*0.18522;
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vitesse = vitesse*3.6;
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printf("Test_vit : %ld \n",vitesse);
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}
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void decode_trame(p_tab *p1, char *trame)
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{
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int i=17,j=29;
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for (i=17;i<27;i++)
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{
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(*p1).lat[i-17] = trame[i];
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}
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for (j=29;j<40;j++)
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{
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(*p1).lon[j-29] = trame[j];
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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(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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test_decode_int();
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test_decode_nombre();
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}
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void test_decode_int(void) {
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/* char i;
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for (i=0;i>127;i++)
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{
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if (decode_int(i)==(-1))
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{
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printf("La conversion est pas bonne \n");
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exit (-1);
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}
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}
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if (decode_int('A')!=(-1)) {
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printf("La conversion c'est mal pass? \n");
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exit (-1);
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}
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if (decode_int('0')==(-1)) {
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printf("La conversion c'est mal pass? \n");
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exit (-1);
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}
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*/
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}
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void test_decode_nombre (void) {
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long resultat = decode_nombre("14343.0000,W");
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printf("Le resultat est : %d\n",resultat);
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unsigned long int resultat2 = Conversion_sexagesimale(resultat);
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//printf("Le resultat de la conversion est : %ld\n",resultat2);
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}
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/*void test_matrice_valperso (void) {
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/* D?claration */
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// Matrice A de test : //
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/*double A[2][2]={{15,20},{9,99}};
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double B[2][2]={{21,36},{13,4}};
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// Matrice contenant le resultat : //
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double R[2][2];
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// Resultat attendu pour A+B //
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double R1[2][2]={{36,56},{22,103}};
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// Resultat attendu pour A.B //
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double R2[2][2]={{575,620},{1476,720}};
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// Resultat attendu pour A-B //
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double R3[2][2]={{-6,-16},{-4,95}};
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// Resultat attendu pour A' //
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double R4[2][2]={{15,9},{20,99}};
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// Resultat attendu pour A^-1 //
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double R5[2][2]={{(11/145),(-4/261)},{(-1/145),(1/87}}; */
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/* Op?rations : */
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//}
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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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traitement(trame);
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return 0;
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}
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