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/* $Id: mode2.c,v 5.12 2004/05/30 16:19:32 lirc Exp $ */
/****************************************************************************
** mode2.c *****************************************************************
****************************************************************************
*
* mode2 - shows the pulse/space length of a remote button
*
* Copyright (C) 1998 Trent Piepho <xyzzy@u.washington.edu>
* Copyright (C) 1998 Christoph Bartelmus <lirc@bartelmus.de>
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include "drivers/lirc.h"
int main(int argc,char **argv)
{
int fd;
lirc_t data;
unsigned long mode;
char *device=LIRC_DRIVER_DEVICE;
char *progname;
struct stat s;
int dmode=0;
progname="mode2";
while(1)
{
int c;
static struct option long_options[] =
{
{"help",no_argument,NULL,'h'},
{"version",no_argument,NULL,'v'},
{"device",required_argument,NULL,'d'},
{"mode",no_argument,NULL,'m'},
{0, 0, 0, 0}
};
c = getopt_long(argc,argv,"hvd:m",long_options,NULL);
if(c==-1)
break;
switch (c)
{
case 'h':
printf("Usage: %s [options]\n",progname);
printf("\t -h --help\t\tdisplay usage summary\n");
printf("\t -v --version\t\tdisplay version\n");
printf("\t -d --device=device\tread from given device\n");
printf("\t -m --mode\t\tenable alternative display mode\n");
return(EXIT_SUCCESS);
case 'v':
printf("%s %s\n",progname, VERSION);
return(EXIT_SUCCESS);
case 'd':
device=optarg;
break;
case 'm':
dmode=1;
break;
default:
printf("Usage: %s [options]\n",progname);
return(EXIT_FAILURE);
}
}
if (optind < argc-1)
{
fprintf(stderr,"%s: too many arguments\n",progname);
return(EXIT_FAILURE);
}
fd=open(device,O_RDONLY);
if(fd==-1) {
fprintf(stderr,"%s: error opening %s\n",progname,device);
perror(progname);
exit(EXIT_FAILURE);
};
if ( (fstat(fd,&s)!=-1) && (S_ISFIFO(s.st_mode)) )
{
/* can't do ioctls on a pipe */
}
else if ( (fstat(fd,&s)!=-1) && (!S_ISCHR(s.st_mode)) )
{
fprintf(stderr,"%s: %s is not a character device\n",progname,device);
fprintf(stderr,"%s: use the -d option to specify the correct device\n",progname);
close(fd);
exit(EXIT_FAILURE);
}
else if(ioctl(fd,LIRC_GET_REC_MODE,&mode)==-1 || mode!=LIRC_MODE_MODE2)
{
printf("This program is only intended for receivers "
"supporting the pulse/space layer.\n");
printf("Note that this is no error, but this program simply "
"makes no sense for your\n"
"receiver.\n");
printf("In order to test your setup run lircd with the "
"--nodaemon option and \n"
"then check if the remote works with the irw tool.\n");
close(fd);
exit(EXIT_FAILURE);
}
while(1)
{
int result;
result=read(fd,&data,sizeof(data));
if(result!=sizeof(data))
{
fprintf(stderr,"read() failed\n");
break;
}
if (!dmode)
{
printf("%s %lu\n",(data&PULSE_BIT)?"pulse":"space",
(unsigned long) (data&PULSE_MASK));
}
else
{
static int bitno = 1;
/* print output like irrecord raw config file data */
printf(" %8lu" , (unsigned long) data&PULSE_MASK);
++bitno;
if (data&PULSE_BIT)
{
if ((bitno & 1) == 0)
{
/* not in expected order */
printf("-pulse");
}
}
else
{
if (bitno & 1)
{
/* not in expected order */
printf("-space");
}
if ( ((data&PULSE_MASK) > 50000) ||
(bitno >= 6) )
{
/* real long space or more
than 6 codes, start new line */
printf("\n");
if ((data&PULSE_MASK) > 50000)
printf("\n");
bitno = 0;
}
}
}
fflush(stdout);
};
return(EXIT_SUCCESS);
}
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