root/branch/ROCHE/sp4a12/main.c @ 364
| 1 | jalaffon | #include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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| 261 | clroche | #include "trame.h"
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#include <math.h>
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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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| 261 | clroche | 0};
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| 355 | clroche | typedef struct {
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float latitude;
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float longitude;
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} Position ;
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| 1 | jalaffon | ||
//Fonction ? modifier !!!!!
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void traitement(char * trame)
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| 236 | clroche | {
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| 357 | clroche | //tests_unitaires();
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//test_decode_int();
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//test_decode_nombre();
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//test_decode_latitude();
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//test_decode_longitude();
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//test_decode_lat_long();
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| 362 | clroche | //test_decode_trame();
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//test_calcul_distance();
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| 364 | clroche | //test_calcul_vitesse();
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| 357 | clroche | ||
Position P1,P2 ;
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| 236 | clroche | static int cpt=0;
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| 245 | clroche | cpt++;
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if (trame_cmp(trame,"GPGGA") == 1) {
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printf ("> %s\n",trame);
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| 357 | clroche | decode_trame(trame, &P1);
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| 362 | clroche | printf("\nLatitude : %f Longitude : %f\n\n", P1.latitude, P1.longitude);
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| 245 | clroche | }
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| 243 | clroche | }
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int trame_cmp(char * trame, char * type) {
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int i=1; //Pour commencer après le $ de la trame
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int res=1;
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do
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{
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if (trame[i]==type[i-1]) {
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i++;
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}
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else {
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res=0;
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}
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}
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while ((res!=0) && (i<6)); //on analyse le premier GP..’
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return (res);
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}
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| 249 | clroche | ||
int decode_int(char c) {
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int i;
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i=c-48;
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if (i>9) {
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return (-1);
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}
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else {
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return(i);
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}
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}
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| 261 | clroche | ||
int decode_nombre(char * ch, int n) {
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int i=0,res=0,b,p;
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for (i=0;i<n;i++) {
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p=1;
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for(b=0;b<n-i-1;b++){
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p=p*10;
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}
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res = res + decode_int(ch[i])*p;
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}
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return res;
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}
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| 269 | clroche | float decode_lat_long (char c[]) {
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| 275 | clroche | int n=0, degre=0,i=1,b;
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float min=0, secondes=0, res=0,p;
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| 269 | clroche | ||
do{
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n++;
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} while (c[n]!='.');
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if (n==4) {
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degre = (c[0]-48)*10+(c[1]-48);
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min = (c[2]-48)*10+(c[3]-48);
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} else {
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| 275 | clroche | degre = (c[0]-48)*100+(c[1]-48)*10+(c[2]-48);
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min = (c[3]-48)*10+(c[4]-48);
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| 269 | clroche | }
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n++;
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do {
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| 275 | clroche | p=1;
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for (b=0;b<i;b++) {
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p=p*0.1;
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}
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secondes= secondes + (c[n]-48)*p;
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i++;
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| 269 | clroche | n++;
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} while (c[n]!='\0');
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res = degre + (min+secondes)/60;
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return res;
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}
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| 355 | clroche | void decode_trame(char * trame, Position * P) {
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int n=17,cpt=0; //n=17 car le codage d'une latitude commence ? l'indice 17 ds la trame
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char lat[10],lon[10];
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do {
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lat[cpt]=trame[n];
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n++;
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cpt++;
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} while (trame[n]!=',');
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cpt=0; //cpt qui balaye le char lat/long
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n=29; //codage d'une longitude commence ? l'indice 29 ds la trame
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do {
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lon[cpt]=trame[n];
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n++;
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cpt++;
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} while (trame[n]!=',');
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(*P).latitude = decode_lat_long(lat); //ne pas mettre de chiffre cela na aps de sens
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(*P).longitude = decode_lat_long(lon);
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}
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| 362 | clroche | ||
float calcule_distance(Position p_1,Position p_2) {
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float x,y,res;
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x=(p_2.longitude - p_1.longitude)*cos((p_2.latitude + p_1.latitude) / 2);
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y=(p_2.latitude - p_1.latitude);
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res = (sqrt((x*x)+(y*y)))*1.852*60;
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return res;
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}
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| 364 | clroche | ||
float calcule_vitesse(Position p_1,Position p_2) {
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float res;
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res = calcule_distance(p_1,p_2) * 3600;
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return res;
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}
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| 1 | jalaffon | ||
//Ajouter vos tests unitaires dans cette fonction.
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| 249 | clroche | /*void tests_unitaires_trame_cmp(void){
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| 243 | clroche | 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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| 355 | clroche | printf ("Erreur Testtest_decode_trame unitaire trame_cmp.\n");
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| 243 | clroche | 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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| 249 | clroche | }*/
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void test_decode_int(void) {
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if (decode_int('0')!=0) {
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printf("erreur");
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| 261 | clroche | exit(-1);
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| 249 | clroche | }
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| 261 | clroche | if (decode_int('1')!=1) {
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printf("erreur");
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exit(-1);
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}
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if (decode_int('2')!=2) {
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printf("erreur");
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exit(-1);
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}
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if (decode_int('3')!=3) {
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printf("erreur");
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exit(-1);
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}
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if (decode_int('4')!=4) {
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printf("erreur");
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exit(-1);
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}
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| 249 | clroche | if (decode_int('5')!=5) {
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printf("erreur");
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| 261 | clroche | exit(-1);
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| 249 | clroche | }
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| 261 | clroche | if (decode_int('6')!=6) {
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printf("erreur");
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exit(-1);
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}
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if (decode_int('7')!=7) {
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printf("erreur");
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exit(-1);
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}
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if (decode_int('8')!=8) {
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printf("erreur");
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exit(-1);
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}
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if (decode_int('9')!=9) {
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printf("erreur");
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exit(-1);
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}
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| 249 | clroche | if (decode_int('A')!=-1) {
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printf("erreur");
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| 261 | clroche | exit(-1);
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| 249 | clroche | }
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| 243 | clroche | }
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| 261 | clroche | ||
void test_decode_nombre(void) {
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if (decode_nombre("7541",2)!=75) {
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printf("erreur");
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exit(-1);
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}
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if (decode_nombre("7541",3)!=754) {
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printf("erreur");
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exit(-1);
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}
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}
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| 262 | clroche | ||
| 275 | clroche | void test_decode_lat_long(void) {
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float a,b,c,e;
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a= 37.387458 - decode_lat_long("3723.2475");
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c= 45.760703 - decode_lat_long("4545.6422");
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b=3.11006 - decode_lat_long("00306.6036");
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e= 3.110077 - decode_lat_long("00306.6046");
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| 262 | clroche | ||
| 275 | clroche | if (a*a > 0.000001){
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| 265 | clroche | printf("erreur");
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exit(-1);
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}
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| 275 | clroche | if (b*b > 0.000001){
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printf("erreur2");
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| 269 | clroche | exit(-1);
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}
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| 275 | clroche | if (c*c > 0.000001){
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printf("erreur2");
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| 269 | clroche | exit(-1);
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}
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| 275 | clroche | if (e*e > 0.000001){
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printf("erreur2");
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exit(-1);
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}
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| 265 | clroche | ||
}
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| 355 | clroche | ||
void test_decode_trame(void) {
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float a,b;
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Position P1;
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decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&P1);
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a= 3.110061 - P1.longitude;
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b= 45.75 - P1.latitude;
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
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printf("erreur");
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exit(-1);
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}
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decode_trame("$GPGGA,141917.00,4545.0726,N,00306.6039,E,1,05,3.4,499.6,M,,M,,*73",&P1);
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a= 3.110066 - P1.longitude;
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b= 45.751209 - P1.latitude;
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
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printf("erreur");
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exit(-1);
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}
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decode_trame("$GPGGA,141918.00,4545.0968,N,00306.6034,E,1,05,3.4,498.8,M,,M,,*7A",&P1);
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a= 3.110057 - P1.longitude;
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b= 45.751614 - P1.latitude;
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
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printf("erreur");
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exit(-1);
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}
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decode_trame("$GPGGA,141919.00,4545.1210,N,00306.6040,E,1,05,3.4,500.2,M,,M,,*77",&P1);
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a= 3.110067 - P1.longitude;
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b= 45.752018 - P1.latitude;
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if ((a*a > 0.000001) && (b*b > 0.000001)) {
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printf("erreur");
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exit(-1);
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}
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}
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| 362 | clroche | ||
void test_calcul_distance(void) {
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Position P1,P2;
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float a;
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decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*79",&P1);
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decode_trame("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*75",&P2);
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a = 0.044932 - calcule_distance(P1,P2);
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if (a*a > 0.000001) {
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printf("erreur");
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exit(-1);
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}
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}
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| 364 | clroche | void test_calcul_vitesse(void) {
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Position P1,P2;
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float a;
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decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*79",&P1);
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decode_trame("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*75",&P2);
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a = 161.756485 - calcule_vitesse(P1,P2);
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printf("%f",a);
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| 362 | clroche | ||
| 364 | clroche | if (a*a > 0.000001) {
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printf("erreur");
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exit(-1);
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}
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}
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| 1 | jalaffon | // Ne pas modifier cette fonction
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int main(int argc,char ** argv)
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| 355 | clroche | {
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| 1 | jalaffon | ||
// 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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