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.
Revisions of mbed.bld
Revision | Date | Message | Actions |
---|---|---|---|
0:7ac9848b2e4b | 2013-12-13 | First revision this code. If external pins D0/D1 are connected, this performs an external loopback test. | File Diff Annotate |