diff options
Diffstat (limited to 'tools/iio/iio_generic_buffer.c')
| -rw-r--r-- | tools/iio/iio_generic_buffer.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index 3f16e9f08d20..e8c30521e99c 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -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"); } /* |