cortexelf-v1: Add serialblather command.
authorKeith Packard <keithp@keithp.com>
Sun, 2 Apr 2017 23:22:28 +0000 (16:22 -0700)
committerKeith Packard <keithp@keithp.com>
Sun, 2 Apr 2017 23:22:28 +0000 (16:22 -0700)
This reads from stdin and dumps it to both serial ports until you type ~

Signed-off-by: Keith Packard <keithp@keithp.com>

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