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How do I use UART?

Question asked by Jonathan Taylor on May 21, 2016
Latest reply on May 21, 2016 by Jonathan Taylor

I see posts about seeing console output via uart, but don't understand how that works.  If I use putty, or hyper terminal (on Windows), I can connect to the device.  My PC then receives unreadable garbage on the screen.  Now what? The user manual for my board says to test uart by entering: echo “test” > /dev/ttymxc2 on the device.  I assume the result of that should be seeing "test" on my PC?  That doesn't happen.  Nothing appears to happen in fact.  Further, I don't see how I can send a command to the device.  I would really love to have a terminal interaction on my PC with the board.  Is that possible?