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Terminals For Mac Os X

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Using screen as a serial terminal on Mac OS X

Terminals For Mac Os X
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Mac Os X Terminal App

If you develop on an Apple and find yourself doing any sort of device or embedded development, you will quickly find the need for a serial terminal on Mac. There are a few software apps out there, but I find it much simpler to simply use the terminal application 'screen'.
This works well particularly if you have an RS-232 serial to USB converter.
The first thing to do is determine which device you want to connect to.

As are many Mac OS X applications, Terminal is Bonjour-enabled. For example, you can select File → Connect to Server to make an SSH connection to any other Mac OS X system on the LAN, provided it allows such connections. The other Macs on the LAN are identified by their computer names, as specified in their Sharing System Preferences. One of the coolest ways to get familiar with the Terminal is to use it to open files.

Once you've determined which device you would like to use, you can execute the SCREEN command to start the serial terminal session on your Mac. Remember to specify the speed (baud rate) after the device name.

Terminals For Mac Os X 10.7

Once you've connected, you can use the terminal as you normally would.
To exit (and close the screen gracefully) press:

Mac Os X Terminal Commands

Screen will then prompt you to quit and kill all of your windows. Press 'y' and you'll be back to your shell terminal.
This method works equally well if you want to connect to a serial bluetooth device. You must simply make sure that the bluetooth device is paired and active. Then you will be able to see the device in the list of devices. Once you've connected to the serial bluetooth device with screen, the connection will be held active for the length of your session.
I've used this method to connect to the sparkfun Bluetooth Mate Gold. It simply appears as a serial stream that you can communicate with exactly as you would with any other serial device.





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