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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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//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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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 test=1;
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int i;
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for(i=0;i<5;i++){
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if(trame[i+1]!=type[i]){
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test=0;
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}
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}
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return test;
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}
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int decode_int(char c){
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int res;
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if((c>=48)&&(c<=58)){
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res=c-48;
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}
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else{
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res=-1;
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}
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return res;
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}
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int decode_nombre(char *ch,int n){
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int r=0;
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int i;
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for(i=0;i<n;i++){
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r=10*r+decode_int(ch[i]);
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}
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return r;
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}
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float decode_latitude(char *trame){
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int i;
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char minute[5];
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float degreLat;
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float minLat;
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float resDecodeLat;
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for(i=0;i<4;i++){
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minute[i]=trame[i+22];
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}
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degreLat=10*decode_int(trame[17])+decode_int(trame[18]);
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minLat=10*decode_int(trame[19])+decode_int(trame[20])+0.0001*decode_nombre(minute,4);
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resDecodeLat=degreLat+minLat/60;
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return resDecodeLat;
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}
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float decode_longitude(char *trame){
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int i;
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char minute[5];
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float degreLong;
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float minLong;
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float resDecodeLong;
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for(i=0;i<4;i++){
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minute[i]=trame[i+35];
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}
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degreLong=100*decode_int(trame[29])+10*decode_int(trame[30])+decode_int(trame[31]);
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minLong=10*decode_int(trame[32])+decode_int(trame[33])+0.0001*decode_nombre(minute,4);
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resDecodeLong=degreLong+minLong/60;
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return resDecodeLong;
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}
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float decode_position(char *trame,int axe){
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//axe==1 si longitude
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//axe==0 si latitude
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int i;
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int d; //decalage ft de l'axe a decoder
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char minute[5];
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float degrePos;
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float minPos;
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float resDecodePos;
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if(axe==1) d=29;
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else if(axe==0) d=17-1;
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for(i=0;i<4;i++){
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minute[i]=trame[i+d+6];
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}
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degrePos=100*axe*decode_int(trame[d])+10*decode_int(trame[d+1])+decode_int(trame[d+2]);
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minPos=10*decode_int(trame[d+3])+decode_int(trame[d+4])+0.0001*decode_nombre(minute,4);
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resDecodePos=degrePos+minPos/60;
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return resDecodePos;
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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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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("$GPRMC suite chaine","GPRMC")!=1){
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printf("Erreur test unitaire trame_cmp\n");
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exit(-1);
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}
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if(trame_cmp("$APRMC 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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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_position();
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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 test unitaire decode-int10\n");
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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 test unitaire decode-int11\n");
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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 test unitaire decode-int12\n");
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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 test unitaire decode-int13\n");
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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 test unitaire decode-int14\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 decode-int15\n");
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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 test unitaire decode-int16\n");
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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 test unitaire decode-int17\n");
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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 test unitaire decode-int18\n");
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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 test unitaire decode-int19\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 decode-int2\n");
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exit(-1);
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}
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if(decode_int('Z')!=-1){
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printf("Erreur test unitaire decode-int3\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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void test_decode_latitude(void){
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if(decode_latitude("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D")!=45.75){
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printf("Erreur test unitaire decode_latitude\n");
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exit(-1);
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}
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}
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void test_decode_longitude(void){
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if(decode_longitude("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D")!=3.1100599765777588){
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printf("Erreur test unitaire decode_longitude\n");
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exit(-1);
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}
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}
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void test_decode_position(void){
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if(decode_position("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",1)!=3.1100599765777588){
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printf("Erreur test unitaire decode_position1\n");
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exit(-1);
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}
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if(decode_position("$GPGGA,141914.00,4545.0000,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",0)!=45.75){
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printf("Erreur test unitaire decode_position2\n");
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exit(-1);
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}
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if(decode_position("$GPGGA,141914.00,4545.0000,N,12412.6012,E,1,05,3.4,499.3,M,,M,,*7D",1)!=124.21002197265625){
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printf("Erreur test unitaire decode_position3\n");
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exit(-1);
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}
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if(decode_position("$GPGGA,141914.00,2734.0060,N,00306.6036,E,1,05,3.4,499.3,M,,M,,*7D",0)!=27.566766738891602){
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printf("Erreur test unitaire decode_position4\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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