[Swansea Hackspace] you have probably seen this

[Tim Moore]

Many thanks Justin ! Greatly appreciated !

I'll try the arduino first as it seems friendly !

:  ))))

Tim_1

On 26 November 2014 at 21:19, Justin Mitchell <justin at discordia.org.uk>
wrote:

> On Wed, 2014-11-26 at 21:14 +0000, Tim Moore wrote:
> > OT but I'm trying to get my usb serial port to send and receive data
> > using minicom or cutecom.  Using Ubuntu 14.04
> >
> >
> > I seem to think selling it that 'ttyUSB0' does the trick but nothing
> > I've tied works.
> >
> >
> > I've connected TX and RX together so what I type get reflected back.
>
> Depending on the brand it will either be /dev/ttyUSB0 or /dev/ttyACM0
> look at the end of the 'dmesg' command to see what device it was
> assigned when it was plugged in (replug if necessary).
>
> you will also need permission on the device, i dont know about that
> ubuntu specifically but if you do an 'ls -l' on the device file you will
> usually find its in group 'dialout' or 'uucp'
>
> which ever it is, add your username to that group in /etc/group
> when you login again yu should now have write permission to those files.
>
> check to see if ModemManager is running, if it is ypu need to kill it,
> and disable/uninstall it somehow, it is a bit dumb and assumes that all
> serial ports have modems on the end of them, grabs the serial port and
> shoves AT commands down it, so kill it off.
>
> with all those fixed you should have more luck
> you can also use the 'serial monitor' feature inside the arduino editor,
> it doesnt have to be an arduino connected, its just a serial terminal
> program.
>
>
>
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