I copied uEnv.txt.backup back into uEnv.txt and rebooted and now I can no
longer ssh into the BBB.
I used to be able to ssh in on cygwin on Windows but none of the commands
are going through when I connect via USB.
$ ssh 192.168.7.2 -l debian
ssh: connect to host 192.168.7.2 port 22: Connection timed out
$ ssh -v 192.168.7.2
OpenSSH_7.6p1, OpenSSL 1.0.2n 7 Dec 2017
debug1: Connecting to 192.168.7.2 [192.168.7.2] port 22.
debug1: connect to address 192.168.7.2 port 22: Connection timed out
ssh: connect to host 192.168.7.2 port 22: Connection timed out
$ ping 192.168.7.2
Pinging 192.168.7.2 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 192.168.7.2:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
On Sunday, May 20, 2018 at 2:02:40 AM UTC-4, Jason Kridner wrote:
>
>
>
> On Saturday, May 19, 2018 at 5:55:50 PM UTC-7, Dennis Lee Bieber wrote:
>>
>> On Sat, 19 May 2018 08:12:37 -0700 (PDT),
>> [email protected] <javascript:> declaimed the following:
>>
>> >Hello,
>> >
>> >I'm trying to follow the Adafruit_BBIO UART tutorial
>> >(
>> https://learn.adafruit.com/setting-up-io-python-library-on-beaglebone-black/installation-on-ubuntu)
>>
>>
>> >
>>
>> That's a pretty old page, going back to Debian Wheezy, cape
>> manager,
>> and kernel device tree overlays.
>>
>
>
> Hey Drew, what's the current way to setup a UART with the latest
> Adafruit_BBIO?
>
>
>
>> >debian@beaglebone:/boot$ cat uEnv.txt
>> >
>> ># this uEnv.txt created by configure_robotics_dt
>> >
>> >uname_r=4.9.78-ti-r94
>> >dtb=am335x-boneblack-roboticscape.dtb
>> >cmdline=coherent_pool=1M
>>
>> While this is using the robotics cape specific device tree... Did
>> that
>> device tree export the UART. Can you use the command line config-pin on
>> the
>> UART pins to set the mode?
>>
>
> The roboticscape dt doesn't expose all of the pinmux helpers, so I'm
> guessing that it won't work. Still, you shouldn't need to as most of the
> UARTs are already setup with that device tree.
>
> Some good news is that if you accidentally said yes to installing the
> roboticscape device tree, the installer saves a backup of the original
> uEnv.txt file so you can back out the change.
>
>
> https://github.com/StrawsonDesign/Robotics_Cape_Installer/blob/3d35ecbd12b7cae475cc07085cea78dea3cc53a9/device_tree/configure_robotics_dt.sh#L121
>
>
> Just look for /boot/uEnv.txt.backup and copy it to /boot/uEnv.txt (after
> making sure the contents are sane).
>
>
>>
>> If you aren't actually using robotics cape features, you
>> probably
>> should not have accepted it during the initialization phase of the new OS
>> image. {I was very disappointed last week to get home and find my BBB
>> stopped on a prompt about installing the robotics cape stuff -- I'd left
>> home after starting "apt-get upgrade" on the new SD card image; prior
>> experience said that would run with no human interaction}
>>
>>
>> --
>> Wulfraed Dennis Lee Bieber AF6VN
>> [email protected] <javascript:>
>> HTTP://wlfraed.home.netcom.com/
>>
>>
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google Groups
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/beagleboard/f5949e83-a6d1-4b32-8389-f98737e0b252%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
