Connecting to Beablebone

[hiren panchasara]

On Thu, May 9, 2013 at 9:49 PM, Tim Kientzle <tim at kientzle.com> wrote:
> Which "debug USB cable" do you mean?
>
> If you mean you're connecting a USB cable from your laptop
> to the mini-USB connector on the board (like you would do
> with the old BeagleBone), that won't work.  The new BBBlack
> no longer has the built-in serial-to-USB adapter.
>
> You'll need something like
>    http://www.adafruit.com/products/954
> to get a working serial console for the BB Black.
> (Just look carefully at the picture on that web page to
> see how to connect it.)

Thanks!
Hiren
>
> Of course, SSH is also an option… ;-)
>
> Tim
>
>
> On May 9, 2013, at 6:47 PM, hiren panchasara wrote:
>
>> Hi list,
>>
>> I've built img using crotchet scripts (great work!) a few days back
>> from HEAD and followed instructions at
>> https://wiki.freebsd.org/FreeBSD/arm/BeagleBoneBlack.
>>
>> Now,
>>
>> After powering up I connected the debug USB cable from BB to my laptop
>> (running HEAD).
>>
>> dmesg shows:
>>
>> ugen0.5: <Texas Instruments> at usbus0
>> umodem0: <Texas Instruments AM335x USB, class 2/0, rev 2.00/0.00, addr
>> 5> on usbus0
>> umodem0: data interface 1, has no CM over data, has no break
>>
>> /dev shows following new entries:
>>
>> crw-rw----  1 uucp    dialer     0x97 May  9 18:13 cuaU0
>> crw-rw----  1 uucp    dialer     0x98 May  9 18:13 cuaU0.init
>> crw-rw----  1 uucp    dialer     0x99 May  9 18:13 cuaU0.lock
>> crw-------  1 root    wheel      0x94 May  9 18:13 ttyU0
>> crw-------  1 root    wheel      0x95 May  9 18:13 ttyU0.init
>> crw-------  1 root    wheel      0x96 May  9 18:13 ttyU0.lock
>> lrwxr-xr-x  1 root    wheel        9B May  9 18:13 ugen0.5 -> usb/0.5.0
>> crw-rw-rw-  1 root    wheel       0xe May  9 18:11 null
>> crw-------  1 root    wheel      0x1b May  9 18:10 bpf
>>
>> Trying to connecting to it:
>>
>> % sudo cu -l /dev/cuaU0
>> Connected
>>
>> Its stays stuck there without doing anything. Same with ttyU0. Is that
>> not how you connect to this thing?
>>
>> In my quest of understanding /dev entries, I found: ttyU0 is actual
>> tty device and cuaU0 is a callback device?
>>
>> Also,  I am not getting those blue usb lights turned on. Not sure if
>> that means something.
>>
>> I am sure I must be doing something really silly. Any help would be great.
>>
>> cheers,
>> Hiren
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>