On 23/05/16 19:39, Crestez Dan Leonard wrote:
> Signed-off-by: Crestez Dan Leonard <leonard.crestez@xxxxxxxxx>
Again, sensible and straight forward.
Thanks,
Jonathan
> ---
> tools/iio/generic_buffer.c | 34 +++++++++++++++++++++++++++++-----
> 1 file changed, 29 insertions(+), 5 deletions(-)
>
> diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
> index 3f16e9f..e8c3052 100644
> --- a/tools/iio/generic_buffer.c
> +++ b/tools/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");
> }
>
> /*
>
--
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