input modules: Improve option names and descriptions.

[libsigrok.git] / src / input / vcd.c

diff --git a/src/input/vcd.c b/src/input/vcd.c
index bf203193ef6ef06ea83ad1fe22083b83ba913b2a..c0312689613c90b8e7e32a406903231d9dceadab 100644 (file)
--- a/src/input/vcd.c
+++ b/src/input/vcd.c
@@ -625,10 +625,11 @@ static int reset(struct sr_input *in)
 }
 
 static struct sr_option options[] = {
-       { "numchannels", "Number of channels", "Number of channels", NULL, NULL },
-       { "skip", "Skip", "Skip until timestamp", NULL, NULL },
-       { "downsample", "Downsample", "Divide samplerate by factor", NULL, NULL },
-       { "compress", "Compress", "Compress idle periods longer than this value", NULL, NULL },
+       { "numchannels", "Number of logic channels", "The number of (logic) channels in the data", NULL, NULL },
+       { "skip", "Skip samples until timestamp", "Skip samples until the specified timestamp; "
+               "< 0: Skip until first timestamp listed; 0: Don't skip", NULL, NULL },
+       { "downsample", "Downsampling factor", "Downsample, i.e. divide the samplerate by the specified factor", NULL, NULL },
+       { "compress", "Compress idle periods", "Compress idle periods longer than the specified value", NULL, NULL },
        ALL_ZERO
 };