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:
0:7ac9848b2e4b
Child:
1:ce52702074c2
diff -r 000000000000 -r 7ac9848b2e4b C027-REVB.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C027-REVB.lib	Fri Dec 13 23:45:09 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/dixter1/code/C027-REVB/#db7c445289f5