Stephen Dickey / Mbed 2 deprecated C027_ExternalSerialLoopBack_revb

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

Diff: main.cpp

Revision:
1:ce52702074c2
Parent:
0:7ac9848b2e4b