root/branch/Gouttenoire/sp4a12/main.c @ 891
| 1 | jalaffon | #include <stdio.h>
|
|
#include <stdlib.h>
|
|||
#include <strings.h>
|
|||
#include "trame.h"
|
|||
| 708 | megoutteno | typedef struct lat_long;
|
|
struct lat_long
|
|||
{
|
|||
float latitude;
|
|||
float longitude;
|
|||
};
|
|||
| 1 | jalaffon | //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};
|
|||
| 669 | megoutteno | // test de la fonction decode_int
|
|
| 891 | megoutteno | int decode_int(char c) // en evoyant un nombre entre 0 et 9 on doit recuperer cette valeur et si A est envoy? nous devons retourner -1
|
|
| 189 | megoutteno | {
|
|
int res;
|
|||
| 375 | megoutteno | if (c>='0' && c<='9')
|
|
| 189 | megoutteno | {
|
|
| 375 | megoutteno | res = c -'0';
|
|
| 189 | megoutteno | }
|
|
else
|
|||
{
|
|||
return -1;
|
|||
}
|
|||
return res;
|
|||
}
|
|||
| 669 | megoutteno | // compare la trame et le type.
|
|
| 189 | megoutteno | ||
| 708 | megoutteno | int trame_cmp(char * trame,char * type)
|
|
| 157 | megoutteno | {
|
|
int i = 0, a = 0;
|
|||
| 168 | megoutteno | for (i=0;i<5;i++)
|
|
{
|
|||
if (trame[i+1] == type[i])
|
|||
| 157 | megoutteno | {
|
|
| 168 | megoutteno | ||
| 157 | megoutteno | }
|
|
else if ((trame[i+1] == '\0') || (type[i] == '\0') || (trame[i+1] == ','))
|
|||
{
|
|||
| 168 | megoutteno | a = trame[i] - type[i];
|
|
| 157 | megoutteno | }
|
|
else
|
|||
{
|
|||
a = trame[i+1] - type[i];
|
|||
}
|
|||
| 168 | megoutteno | }
|
|
if (a==0)
|
|||
| 157 | megoutteno | {
|
|
| 180 | megoutteno | printf("la trame est %s",trame);
|
|
| 157 | megoutteno | return 1;
|
|
}
|
|||
else
|
|||
{
|
|||
return 0;
|
|||
}
|
|||
| 3 | jalaffon | ||
| 168 | megoutteno | ||
| 3 | jalaffon | }
|
|
| 1 | jalaffon | ||
//Fonction ? modifier !!!!!
|
|||
void traitement(char * trame)
|
|||
{
|
|||
| 145 | megoutteno | printf ("> %s\n",trame);
|
|
static int cpt=0 ;
|
|||
cpt++ ;
|
|||
| 1 | jalaffon | }
|
|
| 375 | megoutteno | // r?alisation de la fonction decode_nombre
|
|
int decode_nombre(char * ch, int nbr)
|
|||
{
|
|||
int i , b=0;
|
|||
for(i=0;i<nbr;i++)
|
|||
{
|
|||
| 891 | megoutteno | b=10*b+decode_int(ch[i]); // avec la valeur de Nbr on recupere les nbr premiers chiffres de ch
|
|
| 375 | megoutteno | }
|
|
return b;
|
|||
| 418 | megoutteno | }
|
|
// fonction conversion latitude en flottant
|
|||
float conver_latitude(char * ch)
|
|||
{
|
|||
| 649 | megoutteno | float lat_s=0,lat_f=0,x=0,lat_s_2=0;
|
|
int cpt=0,i=0,c=0,cpt_2=0;
|
|||
| 891 | megoutteno | while(ch[i]!= '.') // compte le nombre de caract?re de ch jusqu'a la virgule
|
|
| 418 | megoutteno | {
|
|
i++;
|
|||
cpt++;
|
|||
}
|
|||
| 649 | megoutteno | i=0;
|
|
| 891 | megoutteno | while(ch[i]!='\0') // compte le nombre de caract?re de ch
|
|
| 649 | megoutteno | {
|
|
i++;
|
|||
cpt_2++;
|
|||
}
|
|||
| 891 | megoutteno | c=decode_nombre(ch,2); // c recupere les 2 premiers chiffres de ch
|
|
| 418 | megoutteno | for(i=0;i<cpt;i++)
|
|
{
|
|||
| 891 | megoutteno | lat_s=10*lat_s+decode_int(ch[i]); // calcul qui permet de r?cup?rer la valeur de ch avant la virgule
|
|
| 418 | megoutteno | }
|
|
| 649 | megoutteno | for(i=cpt+1;i<cpt_2;i++)
|
|
| 418 | megoutteno | {
|
|
| 891 | megoutteno | lat_s_2=lat_s_2*10+decode_int(ch[i]); // calcul qui permet de r?cup?rer la valeur de ch apres la virgule
|
|
| 418 | megoutteno | }
|
|
| 891 | megoutteno | lat_s=lat_s+(lat_s_2/pow(10,cpt+1)); // lat_s=ch
|
|
| 649 | megoutteno | ||
| 891 | megoutteno | lat_f= ((lat_s-c*pow(10,cpt-2))/60)+c; // convertit ch en d?cimale
|
|
| 649 | megoutteno | return lat_f;
|
|
}
|
|||
// fonction conversion longitude en flottant
|
|||
float conver_longitude(char * ch)
|
|||
{
|
|||
| 891 | megoutteno | ||
float long_s=0,long_f=0,x=0,long_s_2=0;
|
|||
| 649 | megoutteno | int cpt=0,i=0,c=0,cpt_2=0;
|
|
while(ch[i]!= '.')
|
|||
{
|
|||
i++;
|
|||
cpt++;
|
|||
}
|
|||
i=0;
|
|||
while(ch[i]!='\0')
|
|||
{
|
|||
i++;
|
|||
cpt_2++;
|
|||
}
|
|||
c=decode_nombre(ch,3);
|
|||
for(i=0;i<cpt;i++)
|
|||
{
|
|||
| 891 | megoutteno | long_s=10*long_s+decode_int(ch[i]);
|
|
| 649 | megoutteno | }
|
|
for(i=cpt+1;i<cpt_2;i++)
|
|||
{
|
|||
| 891 | megoutteno | long_s_2=long_s_2*10+decode_int(ch[i]);
|
|
| 649 | megoutteno | }
|
|
| 891 | megoutteno | long_s=long_s+(long_s_2/pow(10,cpt-1));
|
|
| 649 | megoutteno | ||
| 891 | megoutteno | long_f= ((long_s-c*pow(10,cpt-3))/60)+c;
|
|
return long_f;
|
|||
| 649 | megoutteno | }
|
|
//fonction regroupant la conversion latitude et la conversion longitude
|
|||
float latitude_longitude(char * ch)
|
|||
{
|
|||
int cpt=0;
|
|||
while(ch[cpt]!='\0')
|
|||
{
|
|||
cpt++;
|
|||
}
|
|||
if(cpt==10)
|
|||
{
|
|||
| 891 | megoutteno | return conver_longitude(ch);
|
|
| 649 | megoutteno | }
|
|
else
|
|||
{
|
|||
| 891 | megoutteno | return conver_latitude(ch);
|
|
| 649 | megoutteno | }
|
|
}
|
|||
| 708 | megoutteno | ||
int decode_trame(char * trame)
|
|||
| 669 | megoutteno | {
|
|
| 891 | megoutteno | int cpt=0,i=0,j=0,k=0;
|
|
float a, b;
|
|||
char lat[10]={NULL},longi[11]={NULL};
|
|||
if (trame_cmp(trame,"GPGGA")) // si la trame est GPGGA on affiche la valeur de la lagitude et de la longitude
|
|||
| 669 | megoutteno | {
|
|
| 891 | megoutteno | while(trame[cpt]!='\0')
|
|
| 708 | megoutteno | {
|
|
cpt++;
|
|||
| 891 | megoutteno | }
|
|
| 708 | megoutteno | for(i=cpt-49;i<=cpt-41;i++)
|
|
{
|
|||
| 891 | megoutteno | lat[j]=trame[i];
|
|
j++;
|
|||
| 708 | megoutteno | }
|
|
for(i=cpt-37;i<=cpt-28;i++)
|
|||
{
|
|||
| 891 | megoutteno | longi[k]=trame[i];
|
|
k++;
|
|||
| 708 | megoutteno | }
|
|
a=conver_latitude(lat);
|
|||
b=conver_longitude(longi);
|
|||
| 891 | megoutteno | printf("\nlatitude = %f",a);
|
|
printf("\nlongitude = %f\n",b);
|
|||
| 708 | megoutteno | return 1;
|
|
| 669 | megoutteno | }
|
|
| 708 | megoutteno | ||
| 669 | megoutteno | }
|
|
| 891 | megoutteno | float calcule_vitesse(float distance)
|
|
{
|
|||
float v=0;
|
|||
v=distance*3600;
|
|||
printf("\nvitesse = %lf \n",v);
|
|||
return v ;
|
|||
}
|
|||
| 649 | megoutteno | ||
| 1 | jalaffon | //Ajouter vos tests unitaires dans cette fonction.
|
|
| 180 | megoutteno | void tests_unitaires(void){
|
|
| 1 | jalaffon | if (5!=5){
|
|
printf ("Erreur Test unitaire trame_cmp.\n");
|
|||
exit(-1);
|
|||
| 180 | megoutteno | }
|
|
if (trame_cmp("$GPGSV,3,2,10,15,03,077,,18,04,041,42,19,85,271,,20,08,214,*7C","GPGGA")!=0){
|
|||
printf ("Erreur Test unitaire trame_cmp.\n");
|
|||
exit(-1);
|
|||
}
|
|||
if (trame_cmp("$GPDGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D","GPDGA")!=1){
|
|||
printf ("Erreur Test unitaire trame_cmp.\n");
|
|||
exit(-1);
|
|||
}
|
|||
if (trame_cmp("$GPGLL,4545.6424,N,00306.6036,E,141914.00,A*0E","GPGGA")!=0){
|
|||
printf ("Erreur Test unitaire trame_cmp.\n");
|
|||
exit(-1);
|
|||
}
|
|||
| 189 | megoutteno | if (decode_int('A')!=(-1)){
|
|
printf ("Erreur Test unitaire decode_int.\n");
|
|||
exit(-1);
|
|||
}
|
|||
| 190 | megoutteno | if (decode_int('5')!= 5){
|
|
| 189 | megoutteno | printf ("Erreur Test unitaire decode_int.\n");
|
|
exit(-1);
|
|||
}
|
|||
| 418 | megoutteno | if (decode_nombre("7501.200",2)!=75){
|
|
| 375 | megoutteno | printf ("Erreur Test unitaire decode_nombre.\n");
|
|
exit(-1);
|
|||
}
|
|||
| 649 | megoutteno | ||
if (conver_latitude("7501.20000")<0.95*75.02 || conver_latitude("7501.20000")>1.05*75.02){
|
|||
| 418 | megoutteno | printf ("Erreur Test unitaire conver_latitude.\n");
|
|
exit(-1);
|
|||
| 649 | megoutteno | }
|
|
| 708 | megoutteno | if (conver_longitude("00306.6036")<0.95*3.11006 || conver_longitude("00306.6036")>1.05*3.11006 ){
|
|
| 649 | megoutteno | printf ("Erreur Test unitaire conver_longitude.\n");
|
|
exit(-1);
|
|||
}
|
|||
if (latitude_longitude("7501.20000")<0.95*750.02 || latitude_longitude("7501.20000")>1.05*750.02 ){
|
|||
printf ("Erreur Test unitaire latitude_longitude.\n");
|
|||
exit(-1);
|
|||
| 708 | megoutteno | }
|
|
| 891 | megoutteno | decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D");
|
|
calcule_vitesse(323);
|
|||
| 180 | megoutteno | ||
| 1 | jalaffon | }
|
|
// Ne pas modifier cette fonction
|
|||
int main(int argc,char ** argv)
|
|||
{
|
|||
tests_unitaires();
|
|||
// 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;
|
|||
}
|