setpos.c

open source for car navigation in linux

#ident "@(#) test_recGPS.c         v1.0.0"
/*
 * Copyright (C) 2002 Ricardo Arroyo <[e-mail]>
 *
 * This code may be used under the terms of Version 2 of the GPL,
 * read the file COPYING for details.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 ******************************************************************************/


/*Test of GPS Reception module*/


#include <stdio.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <signal.h>

#include "lc_debug.h"
#include "lc_msg_q.h"
#include "lc_syslog.h"

#include "GPSdisp.h"
#include "gps.h"


int iDebug;

static key_t ktDGPS_q = GPSDRIVE_Q; /* default GPS display module queue key */
static key_t ktQueue; /* local queue */

static int iLocalQid;
static int iRemoteQid;



int main(int argc, char **argv)
{
    char sGPSdir[MAXPATHLEN];
    struct stat buf;
    FILE *inf;
    char line[MAXPATHLEN];

    DGPS_ctlMsg *pMsg = NULL;

    char *p;

    // *************** Check for Debug environment variable ****************
    iDebug = ( getenv("GPSNAV_DEBUG") == (char *)0 ? 0 : atoi(getenv("GPSNAV_DEBUG")));

    if(argc != 4)
    {
        fprintf(stdout,"Usage: setpos <Waypoint name> <Latitude> <Longitude>\n");
        exit(-1);
    }

    p = getenv("LINUXCAR_DIR");
    if(p)
    {
	(void) strcpy(sGPSdir,p);
	(void) strcat(sGPSdir,"/");
    }
    else
    {
	(void) strcpy(sGPSdir,"");
    }
    (void) strcat(sGPSdir,".GPSconf");

    if (iDebug & DEP_GPSREC)
    {
        fprintf(stderr,"setpos: ConfFile = \"%s\"\n",sGPSdir);
    }

    if(!stat(sGPSdir,&buf))
    {
	if(buf.st_mode | S_IRUSR)
	{
	    if((inf=fopen(sGPSdir,"r")))
	    {
		while(fgets(line,MAXPATHLEN,inf))
		{
		    if (iDebug & DEP_GPSREC)
		    {
			fprintf(stderr,"setpos: line = %s\n",line);
		    }
		    if(*line=='#' || *line=='\n') continue;
		    line[strlen(line)-1]='\0';

		    if(!strncmp(line,"DISP_QUEUE",10))
		    {
			sscanf(&line[9],"%d",&ktDGPS_q);
			if (iDebug & DEP_GPSREC)
		    	{
			    fprintf(stderr,"setpos: Queue = %d\n",ktDGPS_q);
		    	}
		    }
		}
	    }
	 }
    }

    iRemoteQid = iOpenQmsg(ktDGPS_q);
    if (iRemoteQid < 0)
    {
        vLC_syslog(LCLOG_ERR_MSGQOPEN, "setpos", ktDGPS_q);
	exit(-1);
    }

    if (iDebug & DEP_GPSREC)
    {
        fprintf(stderr,"setpos: iRemoteQid=%d\n",iRemoteQid);
    }

    pMsg = malloc(sizeof(DGPS_ctlMsg));
    if (iDebug & DEP_GPSREC)
    {
        fprintf(stderr,"setpos, pMsg=%lx\n",(long)pMsg);
//	fprintf(stderr,"setpos: data: Latitude=%s, Longitude=%s, Waypoint name=%s\n",argv[1], argv[2], argv[3]);
    }
    pMsg->mtype = MSG_CONTROL;
    pMsg->iDGPSid = GPSDOSP_STNXTWP;
    pMsg->DGPSctl.DGPS_SetNextWp.dLong = atof(argv[3]);
    pMsg->DGPSctl.DGPS_SetNextWp.dLat = atof(argv[2]);
    strncpy(pMsg->DGPSctl.DGPS_SetNextWp.stWpName, argv[1], MAXWPNAME);
    if (iDebug & DEP_GPSREC)
    {
        fprintf(stderr,"setpos, message: Latitude=%lf, Longitude=%lf, Waypoint name=%s\n",
		      pMsg->DGPSctl.DGPS_SetNextWp.dLat,
	              pMsg->DGPSctl.DGPS_SetNextWp.dLong,
	              pMsg->DGPSctl.DGPS_SetNextWp.stWpName);
    }
    if (iSend2Queue(iRemoteQid, pMsg, sizeof(DGPS_ctlMsg)) < 0)
    {
        vLC_syslog(LCLOG_ERR_MSGQSEND, "setpos", iRemoteQid);
    }
    
    exit(0);

}