doc: update README.devices for conn=sn=<serno> (driver specific)

Mention the optional availability of the conn=sn=<serno> format to select one of several connected devices.
pico-coder · Aug 4, 2021 · e24ecab · e24ecab
1 parent 60a5bd4
commit e24ecab
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/README.devices b/README.devices
@@ -211,6 +211,12 @@ or VXI communication parameters. See these examples:
  $ sigrok-cli --driver <somedriver>:conn=vxi/<ipaddr> ...
  $ sigrok-cli --driver <somedriver>:conn=usbtmc/<bus>.<addr> ...
 
+Individual device drivers _may_ implement additional semantics for the
+conn= specification, which would not apply to other drivers, yet can be
+rather useful for a given type of device.
+
+ $ sigrok-cli --driver <somedriver>:conn=sn=<serno>
+
 
 Specifying serial port parameters
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