Projet

Général

Profil

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#include <stdio.h>
#include <stdlib.h>
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#include <strings.h>
#include <math.h>
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#include "trame.h"
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#define nbtrames 8
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struct Position{

float lattitude;
float longitude;

};
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//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};
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int decode_int(char c)
{
int resu;
if(c<'0' && c>'9')
resu=-1;
else
resu=c-48;
return resu;
}

int decode_nombre(char * ch , int n)
{
int s;
for(int i=0;i<n;i++)
{
s=s+ decode_int(ch[n-1+i])*pow(10,n);
}

return s;

}
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int trame_cmp(char * trame, char * type)
{
int i=4,resu =1;
while(resu==1 && i>=0){

if(trame[i+1] != type[i])
resu =0;
i--;

}
return resu;
}
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float decode_lattitude(char * ch)
{
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int pos=0,pos1,i=0,m=0;
while(m==0 && pos<strlen(*ch))
{

if(ch[pos]=',')
{
pos1++;
if(pos1==3)
m=1;
}
pos++;

}

float s,s1=0,s2=0,s3=0;
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for(i=pos;i<pos+2;i++)
s1=s1+ decode_int(ch[i])*pow(10,pos+1-i);
for(i=pos+2;i<pos+4;i++)
s2=s2+ decode_int(ch[i])*pow(10,pos+3-i)/60;
for(i=pos+5;i<pos+7;i++)
s3=s3+ decode_int(ch[i])*pow(10,pos+6-i)/3600;

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return s=s1+s2+s3 ;

}

float decode_longitude(char * ch)
{
int pos=0,pos1=0,i=0,m=0;
while(m==0 && pos<strlen(*ch))
{

if(ch[pos]=',')
{
pos1++;
if(pos1==5)
m=1;
}
pos++;
}
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float s,s1=0,s2=0,s3=0;
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for(i=pos;i<pos+3;i++)
s1=s1+ decode_int(ch[i])*pow(10,pos+1-i);
for(i=pos+2;i<pos+4;i++)
s2=s2+ decode_int(ch[i])*pow(10,pos+3-i)/60;
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for(i=pos+5;i<pos+7;i++)
s3=s3+ decode_int(ch[i])*pow(10,pos+6-i)/3600;
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return s=s1+s2+s3 ;
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}
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float decode(char * ch , int pos)
{
int i;
float s,s1=0,s2=0,s3=0;
for(i=pos;i<pos+3;i++)
s1=s1+ decode_int(ch[i])*pow(10,pos+1-i);
for(i=pos+2;i<pos+4;i++)
s2=s2+ decode_int(ch[i])*pow(10,pos+3-i)/60;
for(i=pos+5;i<pos+7;i++)
s3=s3+ decode_int(ch[i])*pow(10,pos+6-i)/3600;

return s=s1+s2+s3 ;
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}

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//Fonction ? modifier !!!!!
void traitement(char * trame)
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{
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for(int i=0; i< nbtrames ; i++)
if(trame_cmp(&(trame[i]),"GPGGA")==1)

printf("%s",&(trame[i]));


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}

int decode_trame(char *trame, struct Position *p)
{
int a=0,s=1;
float r=0,q=0;
a= trame_cmp((trame),"GPGGA");
r=decode_longitude(trame);
q=decode_lattitude(trame);
if(s!=1 || r!=*(p).lattitude || q!=*(p).longitude);

}

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void test_decode_int(void)
{
if (5!=5){
printf ("Erreur Test unitaire basique.\n");
exit(-1);
}

if (decode_int('6')==-1){
printf ("Erreur Test unitaire trame_cmp.\n");
exit(-1);
}

}
void test_decode_nombre(char * ch, int n)
{
int s=decode_nombre(ch, n);
for(int i=0;i<n;i++)
{
s=s- decode_int(ch[n-1+i])*pow(10,n);
}
if (5!=5){
printf ("Erreur Test unitaire basique.\n");
exit(-1);
}

if (s!=0){
printf ("Erreur Test unitaire trame_cmp.\n");
exit(-1);
}

}
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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){
printf ("Erreur Test unitaire basique.\n");
exit(-1);
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}

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);
}
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/*if (trame_cmp("$GPGGA suite chaine","GPGGA")!=1){
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printf ("Erreur Test unitaire trame_cmp.\n");
exit(-1);
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}*/
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}

// 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;
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printf ("\nTrames de tests du fichier gps.log\n");
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while ((trame = trame_suivante()))
traitement(trame);

return 0;
}