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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<math.h>
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#include "trame.h"
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#define PI 3.14159
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typedef struct {
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float latitude;
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float longtitude;
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}position;
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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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//Fonction ? modifier !!!!!
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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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position p;
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if (trame_cmp(trame, "GPGGA")==1){
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printf("%s\n",trame);
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decode_trame(trame,&p);
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printf("latitude= %f , longtude= %f \n",p.latitude,p.longtitude);
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}
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}
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int decode_int(char c){
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int y;
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int x=c;
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if (x>=48 && x<=58){
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y=x-48;
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}
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else{
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y =-1;
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}
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return y;
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}
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int trame_cmp(char*trame , char*type){
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int i=0,s=0,y;
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while(trame[i+1]==type[i] && type[i]!="/0"){
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i=i+1;
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s=s+1;
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}
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int x=strlen(type);
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if(s==x){
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y=1;
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}
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else{
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y=0;
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}
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return y;
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}
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int decode_nombre(char *ch,int n){
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int i,j,p;
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int s=0;
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for (i=0;i<n;i++){
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p=1;
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for(j=0;j<n-1-i;j++){
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p=p*10;
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}
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int a=decode_int(ch[i]);
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s=s+a*p;
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}
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return s;
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}
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/*float latitude (char*c){
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int i=0,degre;
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float secondes=0,sommes,minute=0;
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degre=decode_int(c[0])*10+decode_int(c[1]) ;
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secondes=(decode_int(c[5])*1000+decode_int(c[6])*100+decode_int(c[7])*10+decode_int(c[5]))/10000;
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minute=(decode_int(c[2])*10+decode_int(c[3])+secondes)/60;
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sommes=degre+minute;
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return sommes;
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}*/
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/*float longtitude (char*c){
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int i=0,degre;
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float secondes=0,sommes,minute=0;
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degre=decode_int(c[0])*100+decode_int(c[1])*10+decode_int(c[2]) ;
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secondes=secondes+(decode_int(c[6])*1000+decode_int(c[7])*100+decode_int(c[8])*10+decode_int(c[9]))/10000;
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minute=minute+(decode_int(c[3])*10+decode_int(c[4])+secondes)/60;
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sommes=sommes+degre+minute;
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return sommes;
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}*/
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float 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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void decode_trame(char*c,position *p){
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int i=0,degre_long,degre_lat;
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float secondes_long=0,secondes_lat=0,sommes_lat=0,sommes_long=0,minute_lat=0,minute_long=0;
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degre_long=decode_int(c[29])*100+decode_int(c[30])*10+decode_int(c[31]) ;
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secondes_long=decode_int(c[35])*0.1+decode_int(c[36])*0.01+decode_int(c[37])*0.001+decode_int(c[38])*0.0001;
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minute_long=(decode_int(c[32])*10+decode_int(c[33])+secondes_long)/60;
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sommes_long=degre_long+minute_long;
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degre_lat=decode_int(c[17])*10+decode_int(c[18]) ;
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secondes_lat=(decode_int(c[21])*1000+decode_int(c[22])*100+decode_int(c[23])*10+decode_int(c[24]))/10000;
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minute_lat=(decode_int(c[19])*10+decode_int(c[20])+secondes_lat)/60;
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sommes_lat=degre_lat+minute_lat;
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p ->latitude=sommes_lat;
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p ->longtitude=sommes_long;
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}
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float calcul_distance(position*p1,position*p2){
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float distance;
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distance=acos(sin(PI * p1 ->latitude/180)*sin(PI * p2 ->latitude/180)+cos(PI* p1 ->latitude/180)*cos(PI* p2 ->latitude/180)*cos(PI*(fabs(p1 ->longtitude - p2 ->longtitude))/180))*6371;
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return distance;
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}
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//Ajouter vos tests unitaires dans cette fonction.
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void tests_unitaires(void){
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position p,p1,p2;
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p1.latitude=35.968723;
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p1.longtitude=256.652056;
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p2.longtitude=156.831330;
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p2.latitude=55.806160;
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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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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(decode_int('5')!= 5){
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printf ("Erreur Test unitaire trame_cmp50.\n");
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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 Test unitaire trame_cmp3.\n");
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exit(-1);
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}
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//**********************
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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 (decode_nombre("35789",3)!=357){
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printf ("Erreur Test unitaire trame_cmp16.\n");
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exit(-1);
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}
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if (decode_nombre("25986452235",7)!=2598645){
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printf ("Erreur Test unitaire trame_cmp2.\n");
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exit(-1);
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}
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if (decode_nombre("2",1)!=2){
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printf ("Erreur Test unitaire trame_cmp3.\n");
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exit(-1);
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}
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if (decode_nombre("25986452235",7)==2578963){
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printf ("Erreur Test unitaire trame_cmp4.\n");
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exit(-1);
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}
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//********************************
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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 (longtitude("13558.8889")-135,981481<0.000001 && 135,981481-longtitude("13558.8889")<0.000001){
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printf ("Erreur Test unitaire trame_cmp1.\n");
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exit(-1);
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}
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if (longtitude("10112.1415")-101,202358<0.000001 && 101,202358-longtitude("10112.1415")<0.000001){
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printf ("Erreur Test unitaire trame_cmp2.\n");
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exit(-1);
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}*/
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//***********************************
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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 (latitude("3558.8889")-35,981481<0.000001 && 35,981481-latitude("3558.8889")<0.000001){
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printf ("Erreur Test unitaire trame_cmp1.\n");
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exit(-1);
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}
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if (latitude("0112.1415")-01,202358<0.000001 && 01,202358-latitude("0112.1415")<0.000001){
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printf ("Erreur Test unitaire trame_cmp2.\n");
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exit(-1);
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}*/
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//*****************************
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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 (lat_long("13558.8889")-135.981481>0.000001 && 135.981481-lat_long("13358.8889")<0.000001){
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printf ("Erreur Test unitaire trame_cmp18.\n");
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exit(-1);
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}
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/* if (lat_long("10112.1415")-101.2023583>0.000001 && 101.2023583-lat_long("10112.1415")<0.000001){
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printf ("Erreur Test unitaire trame_cmp21.\n");
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exit(-1);
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}*/
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/* if (lat_long("3558.8889")-35.981481>0.000001 && 35.981481-lat_long("3558.8889")<0.000001){
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printf ("Erreur Test unitaire trame_cmp12.\n");
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exit(-1);
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}*/
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if (lat_long("0112.1415")-01.202358>0.000001 && 01.202358-lat_long("0112.1415")<0.000001){
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printf ("Erreur Test unitaire trame_cmp22.\n");
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exit(-1);
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}
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/////////////////////////////////////////
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decode_trame("$GPGGA,141914.00,3558.8889,N,10112.1415,E,1,05,3.4,499.3,M,,M,,*7D",&p);
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if(fabs(fabs(p.latitude)-46.759373 >10-6)){
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printf ("Erreur Test unitaire trame_cmp21\n");
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exit(-1);
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}
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decode_trame("$GPGGA,141914.00,4645.5624,N,10112.1415,E,1,05,3.4,499.3,M,,M,,*7D",&p);
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if(fabs(fabs(p.longtitude)-101.202358 >10-6)){
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printf ("Erreur Test unitaire trame_cmp25\n");
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exit(-1);
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}
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//////////
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if(fabs(calcul_distance(&p1,&p2)-7328.429126) >0.000001){
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printf ("Erreur Test unitaire trame_cmp30\n");
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printf("a");
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exit(-1);
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}
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float a= calcul_distance(&p1,&p2);
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printf("%f",a);
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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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