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iio: iio_generic_buffer: Add --trigger-num option

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Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Crestez Dan Leonard 2016-05-23 21:39:58 +03:00 committed by Jonathan Cameron
parent de397db8ab
commit 7c7e9dad70
1 changed files with 29 additions and 5 deletions
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34
tools/iio/iio_generic_buffer.c
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@ -254,7 +254,9 @@ void print_usage(void)
" --device-name -n <name>\n"
" --device-num -N <num>\n"
" Set device by name or number (mandatory)\n"
" -t <name> Set trigger name\n"
" --trigger-name -t <name>\n"
" --trigger-num -T <num>\n"
" Set trigger by name or number\n"
" -w <n> Set delay between reads in us (event-less mode)\n");
}
@ -320,6 +322,8 @@ void register_cleanup(void)
static const struct option longopts[] = {
{ "device-name", 1, 0, 'n' },
{ "device-num", 1, 0, 'N' },
{ "trigger-name", 1, 0, 't' },
{ "trigger-num", 1, 0, 'T' },
{ },
};
@ -348,7 +352,7 @@ int main(int argc, char **argv)
register_cleanup();
while ((c = getopt_long(argc, argv, "ac:egl:n:N:t:w:", longopts, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "ac:egl:n:N:t:T:w:", longopts, NULL)) != -1) {
switch (c) {
case 'a':
autochannels = AUTOCHANNELS_ENABLED;
@ -391,6 +395,12 @@ int main(int argc, char **argv)
case 't':
trigger_name = strdup(optarg);
break;
case 'T':
errno = 0;
trig_num = strtoul(optarg, &dummy, 10);
if (errno)
return -errno;
break;
case 'w':
errno = 0;
timedelay = strtoul(optarg, &dummy, 10);
@ -444,7 +454,23 @@ int main(int argc, char **argv)
}
}
if (!notrigger) {
if (notrigger) {
printf("trigger-less mode selected\n");
} if (trig_num > 0) {
char *trig_dev_name;
ret = asprintf(&trig_dev_name, "%strigger%d", iio_dir, trig_num);
if (ret < 0) {
return -ENOMEM;
}
trigger_name = malloc(IIO_MAX_NAME_LENGTH);
ret = read_sysfs_string("name", trig_dev_name, trigger_name);
free(trig_dev_name);
if (ret < 0) {
fprintf(stderr, "Failed to read trigger%d name from\n", trig_num);
return ret;
}
printf("iio trigger number being used is %d\n", trig_num);
} else {
if (!trigger_name) {
/*
* Build the trigger name. If it is device associated
@ -481,8 +507,6 @@ int main(int argc, char **argv)
}
printf("iio trigger number being used is %d\n", trig_num);
} else {
printf("trigger-less mode selected\n");
}
/*