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I'm paired up with an Xbox Controller and want to see the output coming from the xbox controller in order to figure out its protocol.

I'm trying to do screen tty.Bluetooth-Incoming-Port 9600 on my mac, but I'm not sure about my baud rate. How can I determine this? It's just giving me a "Cannot open line" error.

Also, is screen tty.Bluetooth-Incoming-Port the right way of connecting serially to a bluetooth device? How does cat -v differ, which I got from another tutorial?

  • The "cannot open line" error suggests that it isn't a baud rate problem. My (long ago) experience with wrong baud is it connects, but everything is garbled. I used cu at the time, might not find that on a Mac, I believe it's packaged with uucp on Linux. cat -v will just show things, cat is one way, the -v makes control characters visible. – Cupcake Protocol Nov 10 '18 at 19:25
  • @CupcakeProtocol But can screen be replaced by solely using cat and echo in conjunction with each other? – Goldname Nov 10 '18 at 22:04
  • That really depends on the device. In this case, it's a Mac specific device so I have neither experience nor the computer to test with. Everything in /dev/ is special. – Cupcake Protocol Nov 11 '18 at 0:58
  • @CupcakeProtocol But cat and echo would work on linux too, right? I don't understand why screen is necessary if those two are sufficient – Goldname Nov 11 '18 at 2:49
  • @CupcakeProtocol I guess i really don't understand what screen does regarding tty – Goldname Nov 11 '18 at 2:50

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