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/* interface.c
* Contains detection routines for the kernel and direct interfaces to the
* card.
*/
/* (c) 1998 by Keith Wesolowski (wesolows@cs.unr.edu)
* Portions of the direct i/o routines are (c)1996 Thomas Lehmann,
* Gideon LaGrange, and/or Franz Brinkman.
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <fcntl.h>
#include <unistd.h>
#include "gradio.h"
extern radio_status gr_stat;
void gradio_get_interface (void)
{
/* First determine whether we can use the kernel interface */
int fd;
if ((fd = open (gr_stat.dev_name, O_RDONLY)) > 0)
gr_stat.fd = fd;
else {
fprintf (stderr, "No interface found!\n");
exit (1);
}
}
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