With this test, you can tie external TXD and RXD together, and on the USB console, see the characters entered be echo'd back. This is effectively a loopback test verifying the external hardware interface, through the USB console interface.

Dependencies:   C027-REVB mbed

Revision:
1:ce52702074c2
Parent:
0:7ac9848b2e4b
--- a/C027-REVB.lib	Fri Dec 13 23:45:09 2013 +0000
+++ b/C027-REVB.lib	Sun Dec 15 21:42:43 2013 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/dixter1/code/C027-REVB/#db7c445289f5
+http://mbed.org/users/dixter1/code/C027-REVB/#2ab87e985526