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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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//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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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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if (trame_cmp(trame,"GPGGA") == 1) {
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printf ("> %s\n",trame);
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}
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}
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int trame_cmp(char * trame, char * type) {
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int i=0;
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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]) {
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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));
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return (res);
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}
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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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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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res=10*res+decode_int(ch[i]);
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}
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return res;
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}
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float decode_lat_long (char c[]) {
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int n=0, degre=0,i=1,b;
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float min=0, secondes=0, res=0,p;
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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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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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}
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n++;
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do {
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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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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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/* float decode_trame(char * trame) {
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int n=17, cpt=0; // latitude commence indice 17 dans une trame}
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char lat[10],lon[10];
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Position P;
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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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}
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while (trame[n]!=',');
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cpt=0; //cpt balaye les longitudes et latitudes on let remets a z?ro pour commencer a travailler sur les longitudes.
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n=29; //les longitudes commencent indice 29 dans 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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}
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while (trame[n]!=',');
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P.latitude = decode_lat_long(lat);
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P.longitude = decode_lat_long(lon);
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return P.lattitude, P.longitude;
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float calcule_distannce(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)))*6371;
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return res;
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}
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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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*/
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//Ajouter vos tests unitaires dans cette fonction.
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/*void tests_unitaires_trame_cmp(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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}*/
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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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exit(-1);
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}
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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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if (decode_int('5')!=5) {
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printf("erreur");
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exit(-1);
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}
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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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if (decode_int('A')!=-1) {
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printf("erreur");
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exit(-1);
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}
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}
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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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}
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void test_decode_nombre(void){
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char t[5];
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t[0]='1';t[1]='2';t[2]='3';t[3]='4';
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if(decode_nombre(t,1)!=1){
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printf("Erreur test unitaire decode-nombre1\n");
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exit(-1);
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}
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if(decode_nombre(t,4)!=1234){
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printf("Erreur test unitaire decode-nombre2\n");
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exit(-1);
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}
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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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