doc: discuss "colons in conn= specs" in the manpage

[sigrok-cli.git] / doc / sigrok-cli.1

diff --git a/doc/sigrok-cli.1 b/doc/sigrok-cli.1
index 54fb285227826ee6d080c6bf7019c0cdb7f43dae..3ec6768e57484a43d3e9d252a348cda99594f7f2 100644 (file)
--- a/doc/sigrok-cli.1
+++ b/doc/sigrok-cli.1
@@ -34,7 +34,10 @@ This is generally only used by developers to easily update the list of
 supported protocol decoders in the sigrok wiki.
 .TP
 \fB\-d, \-\-driver\fP <drivername>
-A driver must always be selected (unless doing a global scan). Use the
+Unless doing a global scan, users typically select one of the available
+drivers. This can speedup program start, and can avoid false matches for
+ambiguous configurations. Selecting a driver also allows to pass more
+driver specific options. Use the
 .BR "\-L " ( "\-\-list\-supported" ")"
 option to get a list of available drivers.
 .sp
@@ -48,8 +51,10 @@ Openbench Logic Sniffer:
 .RB "  $ " "sigrok\-cli \-\-driver=ols:conn=/dev/ttyACM0" " [...]"
 .sp
 Some USB devices don't use a unique VendorID/ProductID combination, and thus
-need that specified as well. This also uses the \fBconn\fP option, using
-either \fBVendorID.ProductID\fP or \fBbus.address\fP:
+need that specified as well. Notice that colons are used to separate the
+driver name from the \fBconn\fP option, thus colons cannot be used within the
+\fBconn\fP option's argument. To select a specific USB device, use either
+\fBVendorID.ProductID\fP or \fBbus.address\fP:
 .sp
 USB \fBVendorID.ProductID\fP example:
 .sp
@@ -59,6 +64,11 @@ USB \fBbus.address\fP example:
 .sp
 .RB "  $ " "sigrok\-cli \-\-driver=uni\-t\-ut61e:conn=4.6" " [...]"
 .TP
+.B "\-D, \-\-dont\-scan"
+Do not automatically scan for device drivers in the absence of a
+.BR "\-d " ( "\-\-driver" )
+specification.
+.TP
 .BR "\-c, \-\-config " <deviceoption>
 A colon-separated list of device options, where each option takes the form
 .BR key=value .
@@ -424,6 +434,13 @@ This also works for protocol decoders, input modules and output modules:
 .B "sigrok\-cli \-\-input\-format csv \-\-show
  $
 .B "sigrok\-cli \-\-output\-format bits \-\-show
+.sp
+This also works for input files, including optional input format specifications:
+.sp
+ $
+.B "sigrok\-cli \-\-input\-file <file.sr> \-\-show
+ $
+.B "sigrok\-cli \-\-input\-file <file.vcd> \-\-input\-format vcd \-\-show
 .TP
 .B "\-\-scan"
 Scan for devices that can be detected automatically.