//tell DGPS to start or stop logging
// args: [start,stop] filename
// must be linked against serials.c
// KM Sept 2003
// version 1.2
#include <sys/stat.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#define BYTE unsigned char
#define SERIALPORT "/dev/ttyS0"
#define LOGFILE "/home/km/incoming/gps.log"

// GLOBAL variables for simplicity
//int serialport; // serial port
//FILE *logfd; // log file
char mesg[512]; // somewhere to make logfile strings!

//-------------------- MAIN------------------------
main (int argc, char **argv)
{
	int n;
	BYTE byte;
char command[512];

initialise_coms(SERIALPORT, B38400, LOGFILE);

if( !strcmp(argv[1], "-start")){
	// set the filename
	sprintf(command, "create,%s\n",argv[2]);
	logfile(command);
	putstring(command);
	// start logging
	sprintf(command, "em,/cur/log,def\n");
	logfile(command);
	putstring(command);
	}
else if(!strcmp(argv[1],"-stop")){
	// stop logging
	sprintf(command, "dm,/cur/log\n");
	putstring(command);
	logfile(command);
	}

fclose(logfd);
close(serialport);
}