add short note about cleaning cable locks

diff --git a/README b/README
index a86a46ac536adc098c8c9cebff6e3693d9b0fb68..9091cc4ffadced6d6da4b858de5da33a1435465a 100644 (file)
--- a/README
+++ b/README
@@ -133,3 +133,12 @@ To set-up the device:
 
 The support for FTDI 2232 based devices is experimental and they are currently
 significantly slower than the other supported cables.
 
 The support for FTDI 2232 based devices is experimental and they are currently
 significantly slower than the other supported cables.

+
+
+Locked cables
+=============
+
+If you get the message 'The cable is being used by another application.' from
+impact, try running the following command:
+
+echo -e 'cleancablelock\nexit' | impact -batch