Connecting to Beablebone
hiren panchasara
hiren.panchasara at gmail.com
Fri May 10 02:12:16 UTC 2013
On Thu, May 9, 2013 at 6:51 PM, Ganbold Tsagaankhuu <ganbold at gmail.com> wrote:
>
>
>
> On Fri, May 10, 2013 at 9:47 AM, hiren panchasara
> <hiren.panchasara at gmail.com> 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
>
>
>
> No need to set speed?
This is what I had:
% sudo stty -f /dev/ttyU0
speed 9600 baud;
lflags: echoe echoke echoctl
oflags: tab0
cflags: cs8 -parenb
I tried setting to different ones without success:
flymockour-l7% sudo stty -f /dev/ttyU0
speed 115200 baud;
lflags: -icanon -isig -echo echoe echok echoke echoctl
iflags: -icrnl -ixany -imaxbel ignpar
oflags: -opost -onlcr tab0
cflags: cs8 -parenb -hupcl clocal
Thanks,
Hiren
>
> Ganbold
>
>
>>
>>
>> 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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>
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