Matlab Serial Communication on MAC

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Robert on 8 Sep 2016
Edited: Raymond Chiu on 29 Sep 2018
So Im trying to open a com port on mac osx
According to a tutorial from math works I'm suppose to use the following
Mac OS X 64 serial('/dev/tty.KeySerial1');
What is KeySerial1?
I tried going to mac system info but and looking under the USB section but don't know what name to use to open the correct port. Any ideas?

Accepted Answer

Walter Roberson
Walter Roberson on 8 Sep 2016
There is no real standard for the name that will be associated with a USB based serial device. Typically, though, the device name will match /dev/tty.* including the period literally. So in MATLAB, try
!ls /dev/tty.*
and see if you find anything.
The default Mac serial ports have names that match /dev/tty[p-w][0-9a-f] . Also, you will probably see /dev/tty.Bluetooth-Incoming-Port which will not have anything to do with USB.
  1 Comment
Robert on 8 Sep 2016
Thanks The command worked and gave me a name. Thank you!

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More Answers (1)

Raymond Chiu
Raymond Chiu on 29 Sep 2018
Edited: Raymond Chiu on 29 Sep 2018
lsusb is available through home-brew on OS X

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