jtag/gw16012 usage/help updates
authorDavid Brownell <dbrownell@users.sourceforge.net>
Sun, 10 Jan 2010 06:05:55 +0000 (22:05 -0800)
committerDavid Brownell <dbrownell@users.sourceforge.net>
Sun, 10 Jan 2010 06:05:55 +0000 (22:05 -0800)
Use standard BNF.  Improve/correct helptext for its "parport_port"
command.  Function address is just its name.

src/jtag/drivers/gw16012.c

index 38e5dd7..0e9f3fe 100644 (file)
@@ -565,10 +565,12 @@ COMMAND_HANDLER(gw16012_handle_parport_port_command)
 static const struct command_registration gw16012_command_handlers[] = {
        {
                .name = "parport_port",
-               .handler = &gw16012_handle_parport_port_command,
+               .handler = gw16012_handle_parport_port_command,
                .mode = COMMAND_CONFIG,
-               .help = "configure the parallel port to use",
-               .usage = "<port_num>",
+               .help = "Display the address of the I/O port (e.g. 0x378) "
+                       "or the number of the '/dev/parport' device used.  "
+                       "If a parameter is provided, first change that port.",
+               .usage = "[port_number]",
        },
        COMMAND_REGISTRATION_DONE
 };