tools:iio: rework program parameters
In generic_buffer.c: sort program parameters alphabetically and provide usage information In lsiio.c: drop unused parameters Signed-off-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -168,6 +168,19 @@ void process_scan(char *data,
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printf("\n");
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}
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void print_usage(void)
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{
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printf("Usage: generic_buffer [options]...\n"
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"Capture, convert and output data from IIO device buffer\n"
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" -c <n> Do n conversions\n"
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" -e Disable wait for event (new data)\n"
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" -g Use trigger-less mode\n"
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" -l <n> Set buffer length to n samples\n"
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" -n <name> Set device name (mandatory)\n"
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" -t <name> Set trigger name\n"
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" -w <n> Set delay between reads in us (event-less mode)\n");
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}
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int main(int argc, char **argv)
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{
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unsigned long num_loops = 2;
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@ -193,29 +206,19 @@ int main(int argc, char **argv)
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struct iio_channel_info *channels;
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while ((c = getopt(argc, argv, "l:w:c:et:n:g")) != -1) {
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while ((c = getopt(argc, argv, "c:egl:n:t:w:")) != -1) {
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switch (c) {
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case 'n':
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device_name = optarg;
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break;
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case 't':
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trigger_name = optarg;
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datardytrigger = 0;
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break;
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case 'e':
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noevents = 1;
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break;
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case 'c':
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errno = 0;
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num_loops = strtoul(optarg, &dummy, 10);
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if (errno)
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return -errno;
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break;
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case 'w':
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errno = 0;
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timedelay = strtoul(optarg, &dummy, 10);
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if (errno)
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return -errno;
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case 'e':
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noevents = 1;
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break;
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case 'g':
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notrigger = 1;
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break;
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case 'l':
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errno = 0;
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@ -223,16 +226,30 @@ int main(int argc, char **argv)
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if (errno)
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return -errno;
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break;
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case 'g':
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notrigger = 1;
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case 'n':
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device_name = optarg;
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break;
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case 't':
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trigger_name = optarg;
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datardytrigger = 0;
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break;
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case 'w':
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errno = 0;
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timedelay = strtoul(optarg, &dummy, 10);
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if (errno)
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return -errno;
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break;
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case '?':
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print_usage();
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return -1;
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}
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}
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if (device_name == NULL)
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if (device_name == NULL) {
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printf("Device name not set\n");
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print_usage();
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return -1;
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}
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/* Find the device requested */
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dev_num = find_type_by_name(device_name, "iio:device");
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@ -164,7 +164,7 @@ int main(int argc, char **argv)
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{
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int c, err = 0;
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while ((c = getopt(argc, argv, "d:D:v")) != EOF) {
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while ((c = getopt(argc, argv, "v")) != EOF) {
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switch (c) {
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case 'v':
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verblevel++;
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@ -179,9 +179,7 @@ int main(int argc, char **argv)
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if (err || argc > optind) {
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fprintf(stderr, "Usage: lsiio [options]...\n"
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"List industrial I/O devices\n"
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" -v, --verbose\n"
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" Increase verbosity (may be given multiple times)\n"
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);
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" -v Increase verbosity (may be given multiple times)\n");
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exit(1);
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}
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