[beagleboard] Unused AIN pins in BBB Black

[venugop...@gmail.com]

We are using only AIN7 for a voltage divider arrangement.

For a better EMI perspective, what should be done with the remaining AIN 
pins (AIN0-AIN6)?

Is grounding with a 10K to GND_ADC a better choice than leaving all pins 
open?

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[beagleboard] Super Dumbbutt Move

[Matthew Wright]

Hello I started to this procedure to connect my bbb to the internet through 
my computer.  

https://www.digikey.com/en/maker/blogs/how-to-connect-a-beaglebone-black-to-the-internet-using-usb#:~:text=You%20now%20need%20to%20share,connection%E2%80%9D%2C%20then%20click%20ok.

I ran 

sudo /sbin/route add default gw 192.168.7.1

on the bbb  (debian)

Now I can only connect to the device through wifi.  I lost my usb 
connection.  I tried to remove the default

sudo /sbin/route del default gw 192.168.7.1

but that didn't help.  

I would like the bbb to get the internet through the wifi and connect to my 
computer through the usb connection.

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[beagleboard] BBB LAN full duplex trouble

[TechShare engineer]

We are facing a trouble that BBB cannot connect to our test PC via LAN 
cable with 100Mbps full duplex mode.
Does anyone know the solution or some information about this kind of 
trouble?

[Background]

We are evaluating BBB  to be used for a network application, which is 
required to connect LAN as 100Mbps full duplex mode (no auto negotiation).

We set BBB LAN to 100Mbps full duplex and connect to our test PC, but it 
failed to establish network link.

We should establish this connection using this test PC.

 

[Environment and Setting for connection test]

BBB

1.   Bootloader : U-Boot 2019.04-dirty

2.   Kernel : Linux arm 4.19.106-bone-rt-r49

3.   Root File System: Debian 10.3

Test PC

1.   Manufacturer: DELL (Vostro 14-3468)

2.   Processor : Intel(R) Core(TM) i3-6006U CPU @2.00GHz 2.00GHz

3.   RAM Capacity: 4.00GB

4.   OS: 64bit

5.   Network Card: Realtec PCIe GBE Family Controller

Network Setting

BBB

1.   IP addr: 192.168.0.2

2.   Subnet mask: 255.255.255.252

3.   Default gateway: None (0.0.0.0)

 PC

1.   IP addr: 192.168.0.1

2.   Subnet mask: 255.255.255.252

3.   Default gateway: None

Communication type

1.   100Mbps full duplex only (both BBB and PC)

(By executing “sudo mil-tool -F 100baseTx-FD” on BBB)

2.   LAN cable: Category 5e (ELECOM)

 

[Detail explanation]

I booted BBB and PC with above setting, then connected LAN cable each other 
and got failure to establish network link – i.e. LED at RJ-45 connector on 
BBB didn’t light, ping command reported no connection and “dmesg | grep 
eth0” reported “link Down”.

 
Thanks!

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[beagleboard] Fwd: Phase Dock Live on Facebook will feature Beaglebone

[Walker Archer]

FYI... I've been asked to do an interview on Facebook Live with Chris
Lehenbauer of Phase Dock.  They produce a set of acrylic project boards
which allow users to snap components in and out to rearrange the
organization of technical projects.  The project I'm highlighting is a
robot using a recycled electric wheelchair base.  I'm mentioning this here
because the core processor for this project is a Beaglebone Green and a
part of the talk will discuss it.  I've used a BBB and more recently the
BBG for this project and have displayed it at 4 Detroit Maker Faire
events.  (Hope they return soon!  Sadly this year has again been cancelled
due to Covid.)

If you're interested in this talk then join us at 1pm EST on Saturday Feb.
13, 2020 with this link:  https://www.facebook.com/events/121579022986048

Walker

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[beagleboard] RS-485 Overlay not working

[Michał]

Hello.
I would like configure UART4 as RS-485.
But I have a problem with z dts file.

*dts file:* https://pastebin.com/raw/paGAsxUg
*image*: BeagleBoard.org Debian Image 2020-01-01
*kernel*: 4.14.108-ti-r124
*driver*: 8250 serial driver 

please help.

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RE: [beagleboard] StarterWare_BBB_support.tar.gz

[Graham Stott]

You could try this:

 

https://github.com/embest-tech/AM335X_StarterWare_02_00_01_01

 

Graham

 

From: beagleboard@googlegroups.com [mailto:beagleboard@googlegroups.com] On 
Behalf Of Abdallah Rashed
Sent: Tuesday, February 09, 2021 7:30 AM
To: beagleboard@googlegroups.com
Subject: [beagleboard] StarterWare_BBB_support.tar.gz

 

Hello 

from where can I get StarterWare_BBB_support.tar.gz patch file to support TI 
bare metal application  to BBB?

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 .

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Re: [beagleboard] Boot on power BB-x15

[Joseph Tarnow]

Sweet thank you! It took me an embarrassingly long time to find J5.. I was 
looking over by J3,4,6, turns out its in the middle between U5, U18. 

It works well!

On Tuesday, February 9, 2021 at 9:18:54 AM UTC-8 RobertCNelson wrote:

> On Tue, Feb 9, 2021 at 11:13 AM Joseph Tarnow
>  wrote:
> >
> > Howdy dudes and dudettes,
> >
> > I have a Beagleboard x15, and I am trying to make it boot on power, so 
> if I lose power the board will start when power resumes. I found this 
> thread, but couldn't make sense of it. Perhaps my google foo is bad, but I 
> couldn't find anything else. Does anyone know how to do this?
>
> Here's a quick answer.. Users debugging with JTAG have the same issue
> as above..
>
> So look at your board, find J5, then proceed to solder the two holes
> together with a wire..
>
> But here's the warning.. If you boot with a blank eMMC and a blank
> microSD, so U-BOOT does NOT LOAD... Given enough time with this
> situation you will destroy the AM57xx and it'll never boot again...
>
> Regards,
>
> -- 
> Robert Nelson
> https://rcn-ee.com/
>

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Re: [beagleboard] Boot on power BB-x15

[Robert Nelson]

On Tue, Feb 9, 2021 at 11:13 AM Joseph Tarnow
 wrote:
>
> Howdy dudes and dudettes,
>
> I have a Beagleboard x15, and I am trying to make it boot on power, so if I 
> lose power the board will start when power resumes. I found this thread, but 
> couldn't make sense of it. Perhaps my google foo is bad, but I couldn't find 
> anything else. Does anyone know how to do this?

Here's a quick answer..  Users debugging with JTAG have the same issue
as above..

So look at your board, find J5, then proceed to solder the two holes
together with a wire..

But here's the warning..  If you boot with a blank eMMC and a blank
microSD, so U-BOOT does NOT LOAD... Given enough time with this
situation you will destroy the AM57xx and it'll never boot again...

Regards,

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

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[beagleboard] Boot on power BB-x15

[Joseph Tarnow]

Howdy dudes and dudettes,

I have a Beagleboard x15, and I am trying to make it boot on power, so if I 
lose power the board will start when power resumes. I found this 
 thread, but 
couldn't make sense of it. Perhaps my google foo is bad, but I couldn't 
find anything else. Does anyone know how to do this?

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Re: [beagleboard] BBAI Stuck Clock Frequency

[stephen....@gmail.com]

Or better question, is there a way to increase the limit so it won't be in 
that state?

On Tuesday, February 9, 2021 at 9:42:32 AM UTC-7 stephen@gmail.com 
wrote:

> Is this a hardware limit?
>
> On Tuesday, February 9, 2021 at 8:58:30 AM UTC-7 RobertCNelson wrote:
>
>> On Tue, Feb 9, 2021 at 9:53 AM stephen@gmail.com <
>> stephen@gmail.com> wrote:
>>
>>> [image: BBAIThermals.png]
>>> It seems normal.
>>
>>
>> the cpu is 58.5C, thus it's in state 3... (3.5 degrees C over passive 
>> limit)...
>>
>> If you stick a fan on it or blow across it, it'll auto upclock..
>>
>> Regards,
>>
>> -- 
>> Robert Nelson
>> https://rcn-ee.com/
>>
>

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Re: [beagleboard] BBAI Stuck Clock Frequency

[stephen....@gmail.com]

Is this a hardware limit?

On Tuesday, February 9, 2021 at 8:58:30 AM UTC-7 RobertCNelson wrote:

> On Tue, Feb 9, 2021 at 9:53 AM stephen@gmail.com <
> stephen@gmail.com> wrote:
>
>> [image: BBAIThermals.png]
>> It seems normal.
>
>
> the cpu is 58.5C, thus it's in state 3... (3.5 degrees C over passive 
> limit)...
>
> If you stick a fan on it or blow across it, it'll auto upclock..
>
> Regards,
>
> -- 
> Robert Nelson
> https://rcn-ee.com/
>

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Re: [beagleboard] BBAI Stuck Clock Frequency

[Robert Nelson]

On Tue, Feb 9, 2021 at 9:53 AM stephen@gmail.com <
stephen.nguye...@gmail.com> wrote:

> [image: BBAIThermals.png]
> It seems normal.


the cpu is 58.5C, thus it's in state 3... (3.5 degrees C over passive
limit)...

If you stick a fan on it or blow across it, it'll auto upclock..

Regards,

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

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Re: [beagleboard] BBAI Stuck Clock Frequency

[stephen....@gmail.com]

[image: BBAIThermals.png]
It seems normal.
On Tuesday, February 9, 2021 at 8:31:58 AM UTC-7 RobertCNelson wrote:

> On Tue, Feb 9, 2021 at 8:59 AM stephen@gmail.com
>  wrote:
> >
> > Why is my device only limited to 400 MHz?
> >
> > It doesn't change no matter what I do
>
> Check the temps:
>
> /opt/scripts/device/x15/test_thermal.sh
>
> Do you have an external fan to blow on it?
>
> Regards,
>
> -- 
> Robert Nelson
> https://rcn-ee.com/
>

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Re: [beagleboard] BBAI Stuck Clock Frequency

[Robert Nelson]

On Tue, Feb 9, 2021 at 8:59 AM stephen@gmail.com
 wrote:
>
> Why is my device only limited to 400 MHz?
>
> It doesn't change no matter what I do

Check the temps:

/opt/scripts/device/x15/test_thermal.sh

Do you have an external fan to blow on it?

Regards,

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

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[beagleboard] StarterWare_BBB_support.tar.gz

[Abdallah Rashed]

Hello
from where can I get StarterWare_BBB_support.tar.gz patch file to support
TI bare metal application  to BBB?

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[beagleboard] BBAI Stuck Clock Frequency

[stephen....@gmail.com]

Why is my device only limited to 400 MHz?

It doesn't change no matter what I do

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[beagleboard] Re: Debug tool for M4 processors in BBAI

[jeff....@gmail.com]

I think I have a similar question in that I'm hoping to develop an 
application (as much of a software defined radio application as I can cram 
into this platform) which utilizes the C66 DSP's on the BB-X15.  I'm trying 
to converge on a process for developing a TI RTOS application for the C66's 
on the BB-X15 which is compatible with the BB Debian distro running on the 
A15's.  More on this later, hopefully.  

I imagine you've already stumbled upon the following, but it seems like a 
good starting point. 

https://e2e.ti.com/support/processors/f/791/t/765821.

Also google all of the examples on of PRU applications .  My guess is that 
may also shed some light on how to develop and debug code for the other 
processors on the Sitara SOC of interest.  

I just received a USB100V2 JTAG cable, and I hope to start hacking on this 
on my BB-X15 in my spare time. I have a lot of questions on how this works, 
and I will post up when I think I have something worthwhile or relevant..  

Also, please post up as you make progress as I imagine there are others 
wanting guidance on developing applications on the other processors on the 
SOC and interfacing Linux to them.  There's not a lot of postings on the 
C66 or M4..





On Wednesday, February 3, 2021 at 8:21:36 AM UTC-5 databac...@gmail.com 
wrote:

>
> Hi
> I and another student have been tasked with exploring ways to develop for 
> the M4 processor using BBAI. We've had difficulty finding a good debug 
> setup, preferably one where you could step through instructions in the M4 
> processors. 
>
> Could anyone point us towards whats worth looking in to? 
>
> Regards, Fredrik Eriksson 
>

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