Re: [beagleboard] Updating bootloader for emmc flasher and changing USB device name

[Robert Nelson]

On Fri, Jan 11, 2019 at 6:29 PM Robert Nelson  wrote:
>
> On Fri, Jan 11, 2019 at 5:28 PM ferdster  wrote:
> >
> > Still having some trouble with this.
> >
> > - I am running directly off eMMC (no SD) with the latest bootloader (sudo 
> > /opt/scripts/tools/developers/update_bootloader.sh)
> > - Now I clone the eMMC to SD 
> > (/opt/scripts/tools/eMMC/beaglebone-black-make-microSD-flasher-from-eMMC.sh)
> > - Use the SD to clone a new board - this board now has an old bootloader 
> > and I need to run update_bootloader.sh again.
>
> So we need a patch to "update_bootloader.sh" to update these two files then:
>
> /opt/backup/uboot/MLO
> /opt/backup/uboot/u-boot.img

This should do it..

https://github.com/RobertCNelson/boot-scripts/commit/73352cab7d3e0b9d344fc619a56eb9e7b311c598

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] Updating bootloader for emmc flasher and changing USB device name

[Robert Nelson]

On Fri, Jan 11, 2019 at 5:28 PM ferdster  wrote:
>
> Still having some trouble with this.
>
> - I am running directly off eMMC (no SD) with the latest bootloader (sudo 
> /opt/scripts/tools/developers/update_bootloader.sh)
> - Now I clone the eMMC to SD 
> (/opt/scripts/tools/eMMC/beaglebone-black-make-microSD-flasher-from-eMMC.sh)
> - Use the SD to clone a new board - this board now has an old bootloader and 
> I need to run update_bootloader.sh again.

So we need a patch to "update_bootloader.sh" to update these two files then:

/opt/backup/uboot/MLO
/opt/backup/uboot/u-boot.img

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] Updating bootloader for emmc flasher and changing USB device name

[ferdster]

Still having some trouble with this.

- I am running directly off eMMC (no SD) with the latest bootloader (sudo 
/opt/scripts/tools/developers/update_bootloader.sh)
- Now I clone the eMMC to SD 
(/opt/scripts/tools/eMMC/beaglebone-black-make-microSD-flasher-from-eMMC.sh)
- Use the SD to clone a new board - this board now has an old bootloader 
and I need to run update_bootloader.sh again.

Thanks.

On Sunday, December 9, 2018 at 3:08:17 PM UTC-7, RobertCNelson wrote:
>
> On Wed, Nov 7, 2018 at 5:07 PM ferdster > 
> wrote: 
> > 
> > 
> > Hello, 
> > 
> > I've updated the bootloader with: 
> > sudo /opt/scripts/tools/developers/update_bootloader.sh 
> > 
> > But when I run 
> /opt/scripts/tools/eMMC/beaglebone-black-make-microSD-flasher-from-eMMC.sh 
> it looks like it pulls an older backup version from /opt/backup/uboot 
> > 
> > I see that when I run the update script it downloaded the new files to a 
> tmp directory. Is it just a matter of copying/renaming the files from the 
> tmp directory to /opt/backup/uboot? 
> > /tmp/tmp.pvzpjINf7p/dl: 
> > MLO-am335x_evm-v2018.09-r7 
> > bootloader-ng 
> > u-boot-am335x_evm-v2018.09-r7.img 
>
>
> https://github.com/RobertCNelson/boot-scripts/commit/d9a7ff1063db8359841c0349caf0898fd0bbc452
>  
>
> > 
> > Secondly, when I plug the BBGW into a PC using the micro usb cable, 
> Windows installs the drivers and eventually says something like "Device 
> BeagleBoneGreen ready to use". Can I change that name to something else? 
>
>
> https://github.com/RobertCNelson/boot-scripts/blob/master/boot/am335x_evm.sh#L223
>  
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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[beagleboard] Re: BBE Industrial 1GB ram

[mallets]

Sry for the late reply. They did respond promptly and are willing to ship using 
a different service for unlisted countries. Ordered some and eagerly waiting to 
test out the gigabit Ethernet on these.

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Re: [beagleboard] Re: BeagleBone Green's HDMI cape with 2016-04-10 Jessi firmware

[Piraten fee]

Thanks Robert,

My 4.14  is not patched.

If I use v4.4.x do I need a patch?

Thanks
Falk

Am Do., 10. Jan. 2019 um 15:28 Uhr schrieb Robert Nelson <
robertcnel...@gmail.com>:

> On Thu, Jan 10, 2019 at 7:57 AM  wrote:
> >
> >
> > Its 2019... this cape still doesn't work.
>
> You forgot to attach your kernel patch. ;)
>
> >
> > BB-GREEN-HDMI not loaded (not working)  in 4.14
>
> Use v4.4.x
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
> --
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RE: [beagleboard] Re: Cannot Get Pocket Beagle to See Internet

[Neal Skinner]

Mark,

 

I have seen your very extensive and impressive body of work online. I 
downloaded the PRU cookbook a few weeks ago and actually got my PocketBeagle to 
blink an LED using the PRU! 

 

I got a Black, Wireless for Christmas, so I am moving up hardware wise and look 
forward to working with it. 

 

Unfortunately, now that the Spring semester is starting, I have less time to 
devote to learning the Beagle, but I would really like to see my Senior Design 
teams stop hooking Arduinos to their Raspberry Pis. It just isn’t pretty and 
totally unnecessary.

 

I really want to thank you again for your help,

 

Neal

 

  

 

From: beagleboard@googlegroups.com  On Behalf Of 
Mark A. Yoder
Sent: Thursday, January 10, 2019 6:35 PM
To: BeagleBoard 
Subject: Re: [beagleboard] Re: Cannot Get Pocket Beagle to See Internet

 

Neal:

  I'm glad you got it working.  Your scripts appear to work like mine.  Mine 
had to be a bit fancier since when on campus you can't use off campus DNS's and 
off campus you can't use the campus DNSs.  My script figures out what the host 
computer is using and uses it.

 

I've been teaching with the Beagle for some 10 years.  Have you seen the wiki 
pages[1] I use for my class?  I also have a git repo[2] where I keep all my 
class materials.  You are welcome to either.

 

Indeed, the PRU on the Beagle can do the work that's often offloaded to the 
Arduino.  Have you seen the PRU Cookbook[3]?  I go through a bunch of examples 
that show how to use the PRU to generate deterministic waveforms.  It's 
possible to generate a 50MHz squarewave using the PRU programmed in C.

 

--Mark

 

[1] https://elinux.org/index.php?title=Category:ECE497
[2] https://github.com/MarkAYoder/BeagleBoard-exercises

[3] https://markayoder.github.io/PRUCookbook/


On Thursday, January 10, 2019 at 4:39:53 PM UTC-5, neal skinner wrote:

Mark,

 

With a bit of effort,  I was able to share the network with the PocketBeagle. I 
had to write two scripts to get things to work. listentome.sh is run on the 
host while talktome.sh is run on the bone. Once both scripts are run on their 
respective machines, things work as desired. 

 

Thank you for your help. I have attached both scripts so you can see what I did 
to get things working for me. I am looking forward to working with BeagleBone 
in the future. I teach Senior Design in the Electrical and Computer Engineering 
department at UTDallas and what I like about the platform is that, you should 
be able replace a Raspberry Pi and an Arduino with a single board. However, in 
order to help my students, I need to learn the platform too. I still have a 
long way to go, but I will get there.

 

Once again, I do thank you for your help.

 

Best regards,

 

Neal Skinner

 

On Thu, Jan 10, 2019 at 11:02 AM Mark A. Yoder  > wrote:

Neal:

  Were you ever able to get  

 ipMasquerade.sh and firstssh.sh to work on the Pocket?

 

--Mark

On Friday, November 23, 2018 at 2:06:57 PM UTC-5, neal skinner wrote:

Mark,

 

Thank you for the excellent instructions. However, I am still having trouble 
getting my PocketBeagle to ping anybody. Thanks to your instructions, I can log 
onto the bone without a password for debian and root. That makes logging on to 
the bone much simpler, but for the life of me, I cannot get the bone to talk to 
the internet. 

 

If I were happy with the preinstalled software and did not want to add other 
packages, life would be good - but no, I want to add something that does not 
come preinstalled.

 

Any more suggestions?

 

Thanks again for your help!

 

On Fri, Nov 16, 2018 at 1:59 PM Mark A. Yoder mailto:mark.a...@gmail.com> > wrote:

Here's the scripts I have my students use:

 

git clone https://github.com/MarkAYoder/BeagleBoard-exercises.git exercises 
--depth=1
The follow the instructions here:
https://elinux.org/EBC_Exercise_02_Out-of-the-Box,_Bone#Running_ipMasquerade.sh 
This sets up your Linux host to do ip Masquerading and then sets up your Bone 
to go through the host to get to the internet.
 
--Mark


On Thursday, November 15, 2018 at 7:58:51 AM UTC-5, neal.s...@gmail.com 
  wrote:

I am having a real problem getting my pocket beagle to access the internet. 
I've tried several online tutorials involving Linux and Windows hosts, but with 
absolute no luck. I can ssh over USB, but want to install additional software 
and updates. Thanks!

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Re: [beagleboard] Can't see Beaglebone through USB over ethernet

[Jaime Fernandez]

Move to the lqtx image and it worked as expected. Hope it helps.

On Thu, Jan 10, 2019 at 7:57 AM  wrote:

> I downloaded the latest image available today.
>
> Following the Getting Started guide, I plug the USB next to the power
> plug, for BBBW should be mini typeA and I'm expecting in my host a new
> ethernet interface to show up. Sadly it does not. I have tried 1 BBBW and a
> 1 BBB without any luck. I can see the USER leds blink, indicating that it
> should be booting up. My host is running Ubuntu 18.04. The image I
> downloaded was: Debian 9.5 2018-10-07 4GB SD IoT.
>
> Any suggestions?
>
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[beagleboard] Re: AT modem networking on PocketBeagle

[Tarmo Kuuse]

Hi Gwen,

On Thursday, 10 January 2019 11:47:10 UTC+2, Gwen Stouthuysen wrote:
>
> I would like to connect a Quectel BG96 Click board to a PocketBeagle
> The hardware side is rather straight forward: install the expansion 
> headers and click in the board.
> LEDs light up and off you go.
>
> The modem is not recognised by the operating system: how would he know 
> there is this specific device connected to the UART?
> No EEPROM installed, no Cape overlay available.
>
> This can be solved using traditional techniques, if required as the UART I 
> would use is /dev/ttyS4, which is available anyhow.
>
> How I can I explain the operating system that this specific device is 
> installed and listening on /dev/ttyS4/?
>
> If I understand correctly the device is known by the kernel but is 
> expected to connect over USB.
>

The operating system does not concern itself with modems other than 
creating the virtual serial port when you connect it via USB.

To do anything useful you start the relevant application and point it 
towards your modem. 

E.g. for dial-up you might use pppd, which might work with your BG96 out of 
the box using the distro-default chatscripts. You must configure pppd first 
- IIRC then file "/etc/ppp/peers/provider" is the default pppd 
configuration and a good starting point. File "/etc/chatscripts/gprs" is 
probably a good choice for a chatscript (which holds the AT commands 
executed by pppd). The dial-up process is started by command "sudo pon 
provider".

pppd has a supposedly user-friendly wrapper or helper or something called 
wvdial - I haven't use this, so I can't advise you.

For a more holistic networking solution you might also want to look at 
alternatives like connman/ofono, NetworkManager/ModemManager which may or 
may not have a working driver for your modem. I'm pretty sure ofono does 
not have a driver for Quectel BG96, but with a bit of luck and hacking you 
might be able to re-use the driver for Quectel UC15. Still, I'd suggest 
starting with pppd as it's a simpler, self-contained system.

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Tarmo Kuuse

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