Added brief description of choose_routing demo.

diff --git a/demo/README b/demo/README
index 8203b6c9929a9eda3d3a4e6ffb4f4a9de1e7310b..4bc64dbed5d327c01f3fdea039a3275cc5e63768 100644 (file)
--- a/demo/README
+++ b/demo/README
@@ -36,6 +36,14 @@ choose_clock:
        the clock source, and the optional -F option specifies the clock's
        frequency.
 
+choose_routing:
+       Changes the signal routed to a specified channel.  The subdevice must support
+       INSN_CONFIG_SET_ROUTING.  The command-line argument specifies
+       the signal you want routed to the specified channel.  This demo
+       can be used, for example, to choose a what signal you want to
+       appear on a PFI line (which has been configured as an output)
+       of a National Instruments board.
+
 common:
        This is not an example.  The file common.c just contains some code
        that is common to many of the examples.