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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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typedef struct
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{
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float latitude;
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float longitude;
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}Position;
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int trame_cmp(char *trame,char *type)
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{
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int i;
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int res=1;
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for (i=0;i<5;i++)
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{
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if(trame[i+1]!=type[i])
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{
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res=0;
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}
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}
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return res;
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}
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int decode_int(char c)
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{
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int val;
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val = c-48;
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if (val>9)
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{
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val=-1;
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}
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return val;
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}
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int decode_nombre(char *ch, int n)
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{
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int i;
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int S=0;
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for(i=0;i<n;i++)
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{
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S = (S*10)+ decode_int(ch[i]);
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}
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return S;
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}
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float latitude (char *ch)
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{
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float degre, min1, min2, result;
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degre=(float)decode_nombre(&ch[0],2);
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min1=(float)decode_nombre(&ch[0+2],2);
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min2=(float)decode_nombre(&ch[0+5],4);
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result=degre+(min1/60)+(min2/600000);
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return result;
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}
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float longitude (char *ch)
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{
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float degre, min1, min2, result;
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degre=(float)decode_nombre(&ch[0],3);
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min1=(float)decode_nombre(&ch[0+3],2);
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min2=(float)decode_nombre(&ch[0+6],4);
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result=degre+(min1/60)+(min2/600000);
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return result;
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}
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float latitude_longitude (char * ch)
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{
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float result;
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if(ch[4]==46)
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{
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result=latitude(ch);
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}
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else
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{
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result=longitude(ch);
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}
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return result;
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}
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float decode_trame(char *trame, Position *p)
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{
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p->latitude=latitude(trame);
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p->longitude=longitude(trame);
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}
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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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if (trame_cmp(trame,"GPGGA"))
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{
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printf ("> %s\n",trame);
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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(void){
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if (5!=5)
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{
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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("$GPGGA suite chaine","GPGGA")!=1)
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{
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$GPRMC suite chaine","GPGGA")!=0)
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{
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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("$GPRMC... ", "GPRMC" )!=1)
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{
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printf ("Erreur Test unitaire trame_cmp.\n");
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exit(-1);
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}
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if (trame_cmp("$APRMC...", "GPGGA")!=0)
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{
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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 (decode_int('2')!=2)
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{
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printf ("Erreur Test unitaire decode_int.\n");
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exit(-1);
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}
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if (decode_nombre("1234",2)!=12)
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{
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printf ("Erreur Test unitaire decode_nombre.\n");
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exit(-1);
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}
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if (latitude("3723.2475")-37.387458>0.0001)
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{
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printf ("Erreur Test unitaire latitude.\n");
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exit(-1);
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}
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if (longitude("00306.6043")-3.110071667>0.01)
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{
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printf ("Erreur Test unitaire longitude.\n");
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exit(-1);
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}
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if (latitude_longitude("00306.6043")-3.110071667>0.01)
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{
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printf ("Erreur Test unitaire latitude_longitude.\n");
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exit(-1);
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}
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if (latitude_longitude("3723.2475")-37.387458>0.0001)
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{
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printf ("Erreur Test unitaire latitude_longitude.\n");
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exit(-1);
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}
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if (latitude_longitude("3452.1463")-34.869105>0.0001)
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{
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printf ("Erreur Test unitaire latitude_longitude.\n");
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exit(-1);
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}
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if (latitude_longitude("03815.1974")-38.25329>0.01)
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{
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printf ("Erreur Test unitaire latitude_longitude.\n");
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exit(-1);
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}
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Position p;
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if (decode_trame("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",&p)!=1)
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{
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printf ("Erreur Test unitaire decode_trame.\n");
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exit(-1);
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}
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if (decode_trame("$GPGGA,141918.00,4545.0968,N,00306.6034,E,1,05,3.4,498.8,M,,M,,*7A",&p)!=1)
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{
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printf ("Erreur Test unitaire decode_trame.\n");
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exit(-1);
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}
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if (decode_trame("$GPGGA,141925.00,4545.2410,N,00306.6046,E,1,05,3.4,501.4,M,,M,,*7C",&p)!=1)
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{
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printf ("Erreur Test unitaire decode_trame.\n");
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exit(-1);
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}
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if (decode_trame("$GPGGA,141922.00,4545.1810,N,00306.6046,E,1,05,3.4,500.6,M,,M,,*77",&p)!=1)
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{
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printf ("Erreur Test unitaire decode_trame.\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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