|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <strings.h>
|
|
#include <math.h>
|
|
#include "trame.h"
|
|
|
|
//Trames de tests ? modifier si n?cessaire.
|
|
char * trames[]= {"$GPGSV,3,2,10,15,03,077,,18,04,041,42,19,85,271,,20,08,214,*7C",
|
|
"$GPGSV,3,3,10,22,39,053,50,28,15,320,*7E",
|
|
"$GPRMC,141914.00,A,4545.6424,N,00306.6036,E,0.4,99.4,010206,,*0C",
|
|
"$GPGLL,4545.6424,N,00306.6036,E,141914.00,A*0E",
|
|
"$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",
|
|
"$GPGSA,A,3,,03,,22,14,,01,,18,,,,3.9,3.4,1.9*39",
|
|
"$GPVTG,99.4,T,,M,0.4,N,0.7,K*57",
|
|
"$GPZDA,141914.00,01,02,2006,00,00*69",
|
|
0};
|
|
|
|
|
|
float a =10;
|
|
float b = (float) 1;
|
|
float c = (float) 1/6;
|
|
float d = (float) 1/60;
|
|
float e = (float) 1/600;
|
|
float f = (float) 1/6000;
|
|
float g = (float) 1/60000;
|
|
float h = (float) 1/600000;
|
|
|
|
const pi =3.14159265;
|
|
|
|
|
|
typedef struct
|
|
{
|
|
float latitude;
|
|
float longitude;
|
|
} Position;
|
|
|
|
typedef struct
|
|
{
|
|
Position rpos;
|
|
float vitmax;
|
|
}Zone;
|
|
|
|
|
|
int decode_int(char c)
|
|
{
|
|
unsigned int ValDecimale;
|
|
ValDecimale = c-48;
|
|
if (ValDecimale>9 || ValDecimale<0)
|
|
{
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
return ValDecimale;
|
|
}
|
|
}
|
|
|
|
int trame_cmp(char* a,char* b){
|
|
int i =0;
|
|
while (b[i]!='\0')
|
|
{
|
|
int c = a[i+1];
|
|
int d = b[i];
|
|
if (c!=d)
|
|
{
|
|
return 0;
|
|
}
|
|
i=i+1;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
//Fonction ? modifier !!!!!
|
|
void traitement(char * trame)
|
|
{
|
|
static int cpt =0;
|
|
Position pos;
|
|
if (decode_trame(trame, &pos) ==1)
|
|
{
|
|
printf("%s\nLatitude: %f; Longitude: %f\n\n", trame, pos.latitude, pos.longitude);
|
|
}
|
|
cpt++;
|
|
}
|
|
|
|
int decode_nombre( char *ch, int n) //A coder sans strlen
|
|
{
|
|
int i =0;
|
|
int Somme = 0;
|
|
if (n>strlen(ch))
|
|
{
|
|
n = strlen(ch);
|
|
}
|
|
for (i;i<=n-1;i++)
|
|
{
|
|
int Entiere = decode_int(ch[i]);
|
|
Somme =Somme + Entiere*pow(10,n-1-i);
|
|
|
|
}
|
|
return(Somme);
|
|
}
|
|
|
|
|
|
float conversion_Lat_sexa_dec(char coord[])
|
|
{
|
|
|
|
float Coeff_Ent[5] = {a,b,c,d};
|
|
float Coeff_Dec[4] = {e,f,g,h};
|
|
int i =0;
|
|
int k =0;
|
|
float nb_Convert=0;
|
|
int elem;
|
|
for (i=0; i< 9;i++)
|
|
{
|
|
if (i <= 3)
|
|
{
|
|
elem = decode_int(coord[i]);
|
|
nb_Convert = nb_Convert + (float) elem * Coeff_Ent[i];
|
|
}
|
|
else if (i>=5)
|
|
{
|
|
elem = decode_int(coord[i]);
|
|
nb_Convert = nb_Convert + (float) elem * Coeff_Dec[k];
|
|
k++;
|
|
}
|
|
}
|
|
return nb_Convert;
|
|
|
|
}
|
|
|
|
float conversion_Long_sexa_dec(char coord[])
|
|
{
|
|
float Coeff_Ent[5] = {0,a,b,c,d};
|
|
float Coeff_Dec[4] = {e,f,g,h};
|
|
int i =0;
|
|
int k =0;
|
|
float nb_Convert=0;
|
|
int elem;
|
|
for (i=0; i< 10;i++)
|
|
{
|
|
if (i <= 4)
|
|
{
|
|
elem = decode_int(coord[i]);
|
|
nb_Convert = nb_Convert + (float) elem * Coeff_Ent[i];
|
|
}
|
|
else if (i>=6)
|
|
{
|
|
elem = decode_int(coord[i]);
|
|
nb_Convert = nb_Convert + (float) elem * Coeff_Dec[k];
|
|
k++;
|
|
}
|
|
}
|
|
return nb_Convert;
|
|
|
|
}
|
|
|
|
float conversion(char * coord)
|
|
{
|
|
int i=0;
|
|
Position P;
|
|
while (coord[i]!='.')
|
|
{
|
|
i=i+1;
|
|
if (i>5)
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
if (i==4)
|
|
{
|
|
P.latitude = conversion_Lat_sexa_dec(coord);
|
|
return P.latitude;
|
|
}
|
|
else if (i==5)
|
|
{
|
|
P.longitude = conversion_Long_sexa_dec(coord);
|
|
return P.longitude;
|
|
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int decode_trame( char *trame, Position *p)
|
|
{
|
|
if (trame_cmp(trame, "GPGGA"))
|
|
{
|
|
int nb_Virgule = 0;
|
|
int i =0;
|
|
int k = 0;
|
|
int j =0;
|
|
char Lat[10];
|
|
char Long[12];
|
|
int debut_Lat;
|
|
int debut_Long;
|
|
|
|
while (trame[i] !='\0')
|
|
{
|
|
if (nb_Virgule ==2 && i!= 26)
|
|
{
|
|
Lat[k] = trame[i];
|
|
k++;
|
|
}
|
|
if (nb_Virgule ==4 && i!= 39)
|
|
{
|
|
Long[j] = trame[i];
|
|
j++;
|
|
}
|
|
if (trame[i] == ',')
|
|
{
|
|
nb_Virgule += 1;
|
|
}
|
|
i++;
|
|
}
|
|
p->latitude = conversion(Lat);
|
|
p->longitude = conversion(Long);
|
|
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
float calcule_distance(Position p_1, Position p_2)
|
|
{
|
|
float rpt = 0.01745329251;
|
|
float distance;
|
|
float delta =p_1.longitude-p_2.longitude;
|
|
float dist = 6378.1*acos(sin(p_1.latitude*rpt)*sin(p_2.latitude*rpt)+ cos(p_1.latitude*rpt)*cos(p_2.latitude*rpt)*cos(delta*rpt));
|
|
return dist;
|
|
}
|
|
|
|
//Ajouter vos tests unitaires dans cette fonction.
|
|
void tests_unitaires(void){
|
|
if (5!=5){
|
|
printf ("Erreur Test unitaire basique.\n");
|
|
exit(-1);
|
|
}
|
|
if (trame_cmp("$GPGGA suite chaine","GPGGA")!=1){
|
|
printf ("Erreur Test unitaire trame_cmp.\n");
|
|
exit(-1);
|
|
}
|
|
if (trame_cmp("$GPRMC suite chaine","GPGGA")!=0){
|
|
printf ("Erreur Test unitaire trame_cmp.\n");
|
|
exit(-1);
|
|
}
|
|
if (trame_cmp("$GPRMC... ", "GPRMC" )!=1){
|
|
printf ("Erreur Test unitaire trame_cmp.\n");
|
|
exit(-1);
|
|
}
|
|
if (trame_cmp("$APRMC...", "GPGGA")!=0){
|
|
printf ("Erreur Test unitaire trame_cmp.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion_Lat_sexa_dec("3723.2475")-(float) 37.387458>0.0001){
|
|
printf("Erreur Test unitaire conversion_Latitude_sex_dec 1.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion_Lat_sexa_dec("0045.0000")-(float) 0.75>0.0001){
|
|
printf("Erreur Test unitaire conversion_Latitude_sexa_dec.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion_Long_sexa_dec("00306.6036")- (float)3.11006>0.0001){
|
|
printf("Erreur Test unitaire conversion_Latitude_sexa_dec.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion_Long_sexa_dec("00008.0015")-(float)0.133358>0.0001){
|
|
printf("Erreur Test unitaire conversion_Latitude_sexa_dec.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion("3723.2475")-(float)37.387458>0.0001){
|
|
printf("Erreur Test unitaire conversion.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion("0045.0000")-(float)0.75>0.0001){
|
|
printf("Erreur Test unitaire conversion.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion("00306.6036")-(float)3.11006>0.0001){
|
|
printf("Erreur Test unitaire conversion.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion("00008.0015")-(float)0.133358>0.0001){
|
|
printf("Erreur Test unitaire conversion.\n");
|
|
exit(-1);
|
|
}
|
|
if (conversion("0.0")!=-1){
|
|
printf("Erreur test unitaire conversion.\n");
|
|
exit(-1);
|
|
}
|
|
Position test;
|
|
if (decode_trame("$GPGSV,3,3,10,22,39,053,50,28,15,320,*7E", &test) != 0){
|
|
printf("Erreur test unitaire decode_trame.\n");
|
|
exit(-1);
|
|
}
|
|
if (decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D", &test)!=1){
|
|
printf("Erreur test unitaire decode_trame.\n");
|
|
exit(-1);
|
|
}
|
|
if (decode_trame("$GPGGA,141925.00,4545.2410,N,00306.6046,E,1,05,3.4,501.4,M,,M,,*7D", &test)!=1){
|
|
printf("Erreur test unitaire decode_trame.\n");
|
|
exit(-1);
|
|
}
|
|
if (decode_trame("$GPRMC,141920.00,A,4545.6419,N,00306.6039,E,0.2,133.1,010206,,*38", &test) != 0){
|
|
printf("Erreur test unitaire decode_trame.\n");
|
|
exit(-1);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void test_decode_int(void)
|
|
{
|
|
if (decode_int('0')!=0){
|
|
printf("Erreur test unitaire decode_int.\n");
|
|
}
|
|
if (decode_int('1')!=1){
|
|
printf("Erreur test unitaire decode_int.\n");
|
|
exit(-1);
|
|
}
|
|
if (decode_int('A')!=-1){
|
|
printf("Erreur test unitaire decode_int.\n");
|
|
exit(-1);
|
|
}
|
|
|
|
}
|
|
|
|
// Ne pas modifier cette fonction
|
|
int main(int argc,char ** argv)
|
|
{
|
|
|
|
tests_unitaires();
|
|
test_decode_int();
|
|
|
|
// Affichage des trames definies dans la table trames.
|
|
printf ("Trames de tests tableau trames:\n");
|
|
int i=0;
|
|
while (trames[i])
|
|
traitement(trames[i++]);
|
|
|
|
if (!trame_init())
|
|
exit(-1);
|
|
// Affichage des trames du fichier gps.log
|
|
char *trame;
|
|
printf("Trames de tests du fichier gps.log\n");
|
|
while ((trame = trame_suivante()))
|
|
traitement(trame);
|
|
|
|
return 0;
|
|
}
|