Re: [beagleboard] How to correctly power down BeagleBoard-xM ?

[Jani]

How to proceed from here?  LED D5 and D14 are still ON.

Do I just close the PC Console terminal?

[image: halt.PNG]


On Monday, August 5, 2019 at 3:18:02 PM UTC-4, Robert Heller wrote:
>
> At Mon, 5 Aug 2019 23:18:31 +0530 beagl...@googlegroups.com  
> wrote: 
>
> > 
> > 
> > Interesting. I thought shutdown command was the way to do it. 
>
> /sbin/halt === /sbin/shutdown -h now 
> /sbin/reboot === /sbin/shutdown -r now 
>
> /sbin/halt and /sbin/reboot are "shortcuts" for common shutdown cases. 
>
> Feel free to type all of '/sbin/shutdown -h now' if you prefer... 
>
> > 
> > 
> > On Mon, Aug 5, 2019 at 6:22 PM Robert Heller  > wrote: 
> > 
> > > At Sun, 4 Aug 2019 21:25:19 -0700 (PDT) beagl...@googlegroups.com 
>  
> > > wrote: 
> > > 
> > > > 
> > > > 
> > > > 
> > > > I have my BeagleBoard-xM connected to Windows 10 Laptop.  They are 
> > > > communicating over serial console. 
> > > > I logged out and closed serial console. 
> > > > 
> > > > How should I correctly power down my board? 
> > > 
> > > *Before* you logout, run this command: 
> > > 
> > > sudo /sbin/halt 
> > > 
> > > This will cleanly shut the BeagleBoard down. 
> > > 
> > > > 
> > > 
> > > -- 
> > > Robert Heller -- 978-544-6933 
> > > Deepwoods Software-- Custom Software Services 
> > > http://www.deepsoft.com/  -- Linux Administration Services 
> > > hel...@deepsoft.com-- Webhosting Services 
> > > 
> > > 
> > > -- 
> > > 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 beagl...@googlegroups.com . 
> > > To view this discussion on the web visit 
> > > 
> https://groups.google.com/d/msgid/beagleboard/20190805125147.BCF6926C009B%40sharky3.deepsoft.com
>  
> > > . 
> > > 
> > 
> > 
>
> -- 
> Robert Heller -- 978-544-6933 
> Deepwoods Software-- Custom Software Services 
> http://www.deepsoft.com/  -- Linux Administration Services 
> hel...@deepsoft.com-- Webhosting Services 
>   
> 
>

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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

[Graham]

The programming of the MAC address in the EEPROM is not an issue, once you
are set up for it.
There are some other Ethernet connection options that you can turn on/off
at the same time.
But the program remembers what you want, and even auto-increments the MAC
address for you if you are programming in sequence within a block
assignment.
The program also does a functional exercise of all kinds of Ethernet
options, anything you have enabled, so it also constitutes a reasonable
final test for Ethernet.
Only takes 20 seconds or so.
I think you will need to pin out the USB-2 (port 1) lines, so that you can
get at them with a USB cable from the programming PC.
If the PocketBeagle plugs into your carrier board, you could build a dummy
USB connection board that temporarily replaced the PocketBeagle for
Ethernet programming.
--- Graham

==

On Mon, Aug 5, 2019 at 8:48 PM evilwulfie  wrote:

> assemble on 2 sides is no issue
> populate one side, reflow solder, populate the other side, reflow solder
> the surface tension will keep the parts on the other side IF the solder
> even melts
>
> On 8/5/2019 5:57 PM, Steven Keller wrote:
>
>
> Graham,
> Thanks so much!  That should be enough to get me started.  I wanted to
> avoid parts on the bottom of the board as it makes assembly more
> difficult.  Board size isn't too much of a problem.  The extra EEPROM
> programming step is a bit of pain but not impossible.
>
> Thanks again!
>
> On Monday, August 5, 2019 at 6:30:13 PM UTC-5, Graham wrote:
>>
>> Steven:
>> The primary reason for parts on both sides of the boards is just space
>> constraint.
>> With an extra half square inch of space, everything could be on one side.
>> I do like to keep the transient suppressor as close to the RJ-45
>> connector as possible.
>> You would still need a four layer board to do the power distribution
>> cleanly.
>>
>> In this design, the MAC address can not be assigned by the Linux driver.
>> It takes a Windows app, from the Microchip website, that needs to access
>> the LAN9500A
>> chip from both sides to program it. That is, it needs to access both the
>> USB-2 connection to the
>> LAN9500A, and have the Ethernet connection from the LAN9500A on the same
>> sub-net as the PC running the programming app. Even though the MAC
>> address is
>> held in an EEPROM, I don't think there would be any way for the user to
>> change it
>> without reproducing the programming connections.
>>
>> I am not aware that Microchip sells preprogrammed EEPROMS with the MAC
>> addresses,
>> normally you get blank EEPROMS and you supply and program the MAC
>> address.
>> Although for extra money, you can get either Microchip or some of the
>> distributors to program
>> memory parts.
>>
>> I have heard that Microchip will sell a small number of MAC addresses as
>> a courtesy,
>> but I have not done that. The normal process is to buy a block of MAC
>> assignments
>> from the IEEE which is the global coordinator.  If you buy a large enough
>> block, you get
>> your own OUI.
>>
>> --- Graham
>>
>> ==
>>
>> On Mon, Aug 5, 2019 at 3:21 PM Steven Keller  wrote:
>>
>>> Graham,
>>> If you don't mind could you answer a few questions?
>>> You have parts on both sides of the board.  Is this primarily because of
>>> the size constraint or to keep traces short as possible?
>>> Is it possible for the driver software to load the MAC address of the
>>> Beagle Bone into the LAN9500A?  It does not appear that the preprogrammed
>>> MAC address EEPROMs from Microchip work with these USB-to-Ethernet chips.
>>>
>>> --
> For more options, visit http://beagleboard.org/discuss
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> 
> .
>
>
> --
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> 
> .
>

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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

[evilwulfie]

assemble on 2 sides is no issue
populate one side, reflow solder, populate the other side, reflow solder
the surface tension will keep the parts on the other side IF the solder 
even melts


On 8/5/2019 5:57 PM, Steven Keller wrote:


Graham,
Thanks so much!  That should be enough to get me started.  I wanted to 
avoid parts on the bottom of the board as it makes assembly more 
difficult.  Board size isn't too much of a problem.  The extra EEPROM 
programming step is a bit of pain but not impossible.


Thanks again!

On Monday, August 5, 2019 at 6:30:13 PM UTC-5, Graham wrote:

Steven:
The primary reason for parts on both sides of the boards is just
space constraint.
With an extra half square inch of space, everything could be on
one side.
I do like to keep the transient suppressor as close to the RJ-45
connector as possible.
You would still need a four layer board to do the power
distribution cleanly.

In this design, the MAC address can not be assigned by the Linux
driver.
It takes a Windows app, from the Microchip website, that needs to
access the LAN9500A
chip from both sides to program it. That is, it needs to access
both the USB-2 connection to the
LAN9500A, and have the Ethernet connection from the LAN9500A on
the same
sub-net as the PC running the programming app. Even though the MAC
address is
held in an EEPROM, I don't think there would be any way for the
user to change it
without reproducing the programming connections.

I am not aware that Microchip sells preprogrammed EEPROMS with the
MAC addresses,
normally you get blank EEPROMS and you supply and program the MAC
address.
Although for extra money, you can get either Microchip or some of
the distributors to program
memory parts.

I have heard that Microchip will sell a small number of MAC
addresses as a courtesy,
but I have not done that. The normal process is to buy a block of
MAC assignments
from the IEEE which is the global coordinator.  If you buy a large
enough block, you get
your own OUI.

--- Graham

==

On Mon, Aug 5, 2019 at 3:21 PM Steven Keller > wrote:

Graham,
If you don't mind could you answer a few questions?
You have parts on both sides of the board. Is this primarily
because of the size constraint or to keep traces short as
possible?
Is it possible for the driver software to load the MAC address
of the Beagle Bone into the LAN9500A?  It does not appear that
the preprogrammed MAC address EEPROMs from Microchip work with
these USB-to-Ethernet chips.

--
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.


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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

[Steven Keller]

Graham,
Thanks so much!  That should be enough to get me started.  I wanted to 
avoid parts on the bottom of the board as it makes assembly more 
difficult.  Board size isn't too much of a problem.  The extra EEPROM 
programming step is a bit of pain but not impossible.

Thanks again!

On Monday, August 5, 2019 at 6:30:13 PM UTC-5, Graham wrote:
>
> Steven:
> The primary reason for parts on both sides of the boards is just space 
> constraint.
> With an extra half square inch of space, everything could be on one side.
> I do like to keep the transient suppressor as close to the RJ-45 
> connector as possible.
> You would still need a four layer board to do the power distribution 
> cleanly.
>
> In this design, the MAC address can not be assigned by the Linux driver.
> It takes a Windows app, from the Microchip website, that needs to access 
> the LAN9500A 
> chip from both sides to program it. That is, it needs to access both the 
> USB-2 connection to the 
> LAN9500A, and have the Ethernet connection from the LAN9500A on the same 
> sub-net as the PC running the programming app. Even though the MAC address 
> is
> held in an EEPROM, I don't think there would be any way for the user to 
> change it
> without reproducing the programming connections. 
>
> I am not aware that Microchip sells preprogrammed EEPROMS with the MAC 
> addresses, 
> normally you get blank EEPROMS and you supply and program the MAC 
> address.  
> Although for extra money, you can get either Microchip or some of the 
> distributors to program 
> memory parts. 
>
> I have heard that Microchip will sell a small number of MAC addresses as a 
> courtesy, 
> but I have not done that. The normal process is to buy a block of MAC 
> assignments 
> from the IEEE which is the global coordinator.  If you buy a large enough 
> block, you get
> your own OUI.
>
> --- Graham
>
> ==
>
> On Mon, Aug 5, 2019 at 3:21 PM Steven Keller  > wrote:
>
>> Graham, 
>> If you don't mind could you answer a few questions?  
>> You have parts on both sides of the board.  Is this primarily because of 
>> the size constraint or to keep traces short as possible?
>> Is it possible for the driver software to load the MAC address of the 
>> Beagle Bone into the LAN9500A?  It does not appear that the preprogrammed 
>> MAC address EEPROMs from Microchip work with these USB-to-Ethernet chips.
>>
>>

-- 
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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

[Graham]

Steven:
The primary reason for parts on both sides of the boards is just space
constraint.
With an extra half square inch of space, everything could be on one side.
I do like to keep the transient suppressor as close to the RJ-45
connector as possible.
You would still need a four layer board to do the power distribution
cleanly.

In this design, the MAC address can not be assigned by the Linux driver.
It takes a Windows app, from the Microchip website, that needs to access
the LAN9500A
chip from both sides to program it. That is, it needs to access both the
USB-2 connection to the
LAN9500A, and have the Ethernet connection from the LAN9500A on the same
sub-net as the PC running the programming app. Even though the MAC address
is
held in an EEPROM, I don't think there would be any way for the user to
change it
without reproducing the programming connections.

I am not aware that Microchip sells preprogrammed EEPROMS with the MAC
addresses,
normally you get blank EEPROMS and you supply and program the MAC address.
Although for extra money, you can get either Microchip or some of the
distributors to program
memory parts.

I have heard that Microchip will sell a small number of MAC addresses as a
courtesy,
but I have not done that. The normal process is to buy a block of MAC
assignments
from the IEEE which is the global coordinator.  If you buy a large enough
block, you get
your own OUI.

--- Graham

==

On Mon, Aug 5, 2019 at 3:21 PM Steven Keller 
wrote:

> Graham,
> If you don't mind could you answer a few questions?
> You have parts on both sides of the board.  Is this primarily because of
> the size constraint or to keep traces short as possible?
> Is it possible for the driver software to load the MAC address of the
> Beagle Bone into the LAN9500A?  It does not appear that the preprogrammed
> MAC address EEPROMs from Microchip work with these USB-to-Ethernet chips.
>
>

-- 
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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

[Steven Keller]

Graham, 
If you don't mind could you answer a few questions?  
You have parts on both sides of the board.  Is this primarily because of 
the size constraint or to keep traces short as possible?
Is it possible for the driver software to load the MAC address of the 
Beagle Bone into the LAN9500A?  It does not appear that the preprogrammed 
MAC address EEPROMs from Microchip work with these USB-to-Ethernet chips.





On Sunday, August 4, 2019 at 8:43:23 AM UTC-5, Graham Haddock wrote:
>
>
> https://github.com/phrogger/PocketBeagle_Ethernet_Cape
>
> https://oshpark.com/shared_projects/GOEnFXdS
>
>
>
>
> [image: PB_LAN9500A.jpg]
>
> --- Graham
>
>
>
> On Saturday, August 3, 2019 at 9:11:50 PM UTC-5, Jason Kridner wrote:
>>
>>
>> Do you have a pointer to the design files?
>>  
>>
>>

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Re: [beagleboard] How to correctly power down BeagleBoard-xM ?

[Robert Heller]

At Mon, 5 Aug 2019 23:18:31 +0530 beagleboard@googlegroups.com wrote:

> 
> 
> Interesting. I thought shutdown command was the way to do it.

/sbin/halt === /sbin/shutdown -h now
/sbin/reboot === /sbin/shutdown -r now

/sbin/halt and /sbin/reboot are "shortcuts" for common shutdown cases.

Feel free to type all of '/sbin/shutdown -h now' if you prefer...

> 
> 
> On Mon, Aug 5, 2019 at 6:22 PM Robert Heller  wrote:
> 
> > At Sun, 4 Aug 2019 21:25:19 -0700 (PDT) beagleboard@googlegroups.com
> > wrote:
> >
> > >
> > >
> > >
> > > I have my BeagleBoard-xM connected to Windows 10 Laptop.  They are
> > > communicating over serial console.
> > > I logged out and closed serial console.
> > >
> > > How should I correctly power down my board?
> >
> > *Before* you logout, run this command:
> >
> > sudo /sbin/halt
> >
> > This will cleanly shut the BeagleBoard down.
> >
> > >
> >
> > --
> > Robert Heller -- 978-544-6933
> > Deepwoods Software-- Custom Software Services
> > http://www.deepsoft.com/  -- Linux Administration Services
> > hel...@deepsoft.com   -- Webhosting Services
> >
> >
> > --
> > 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 beagleboard+unsubscr...@googlegroups.com.
> > To view this discussion on the web visit
> > https://groups.google.com/d/msgid/beagleboard/20190805125147.BCF6926C009B%40sharky3.deepsoft.com
> > .
> >
> 
> 

-- 
Robert Heller -- 978-544-6933
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services

 

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Re: [beagleboard] How to correctly power down BeagleBoard-xM ?

[Indiaaditya Networks]

Interesting. I thought shutdown command was the way to do it.


On Mon, Aug 5, 2019 at 6:22 PM Robert Heller  wrote:

> At Sun, 4 Aug 2019 21:25:19 -0700 (PDT) beagleboard@googlegroups.com
> wrote:
>
> >
> >
> >
> > I have my BeagleBoard-xM connected to Windows 10 Laptop.  They are
> > communicating over serial console.
> > I logged out and closed serial console.
> >
> > How should I correctly power down my board?
>
> *Before* you logout, run this command:
>
> sudo /sbin/halt
>
> This will cleanly shut the BeagleBoard down.
>
> >
>
> --
> Robert Heller -- 978-544-6933
> Deepwoods Software-- Custom Software Services
> http://www.deepsoft.com/  -- Linux Administration Services
> hel...@deepsoft.com   -- Webhosting Services
>
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
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> email to beagleboard+unsubscr...@googlegroups.com.
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> https://groups.google.com/d/msgid/beagleboard/20190805125147.BCF6926C009B%40sharky3.deepsoft.com
> .
>


-- 
Indiaaditya Networks Embedded System development
For industries customised needs

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Re: [beagleboard] Re: Game Pup cape for Pocket Beagle has no examples that I can find !

[Lee T. Davy]

Sean,
I also tried the TechLab IMG on GamePup and got a login screen on GamePup.


On Monday, August 5, 2019 at 8:59:37 AM UTC-4, Lee T. Davy wrote:
>
> Sean,
> I remember I modified the TechLab IMG (below) for GamePup to make uSD 
> image work with display and not sure I had originally tested with IOT.
>
> My original IMG was (like you) from last spring on Pocket Beagle before I 
> had Game Pup and Tech Lab.
> I am as confused as you so I am starting with workshop IMG to view and 
> understand the process used to make an embedded IMG work.
>
> Started at http://beagleboard.org/techlab then switched between capes.
>
> I have been watching and reading the stuff at the link (above) to
> Embedded Apprentice Linux Engineer seminars
>
>
>
> Also I will order another PB for mating to GamePup exclusively for 
> re-flashing tests.
>

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Re: [beagleboard] Re: Game Pup cape for Pocket Beagle has no examples that I can find !

[Lee T. Davy]

Sean,
I remember I modified the TechLab IMG (below) for GamePup to make uSD image 
work with display and not sure I had originally tested with IOT.

My original IMG was (like you) from last spring on Pocket Beagle before I 
had Game Pup and Tech Lab.
I am as confused as you so I am starting with workshop IMG to view and 
understand the process used to make an embedded IMG work.

Started at http://beagleboard.org/techlab then switched between capes.

I have been watching and reading the stuff at the link (above) to
Embedded Apprentice Linux Engineer seminars



Also I will order another PB for mating to GamePup exclusively for 
re-flashing tests.


On Saturday, August 3, 2019 at 9:49:11 PM UTC-4, Sean Boult wrote:
>
> Thanks for the response, Lee.
>
> I am using the *bone-debian-9.5-iot-armhf-2018-10-07* image on my 
> PocketBeagle. I have the overlay enabled which you can see in this 
> screenshot below
> [image: image.png]
>
> But when I look at the physical device I only see the backlight on, no 
> terminal.
> [image: image.png]
>
> Even if I try to use fbi to display an image I get nothing so I'm a little 
> confused. Not sure how I can determine if this is hardware fault as you had 
> zero trouble with yours.
> [image: image.png]
>
> Maybe I'm doing something wrong still? 
>
>
> On Sat, Aug 3, 2019 at 6:31 PM Lee T. Davy  > wrote:
>
>> Sean,
>> I am getting a display as a login screen correctly with IoT img by 
>> manually editing and including this overlay line in boot/uEnv.txt on uSD.
>> After boot I can login as debian via ssh or display with USB keyboard.
>>
>> # Game Pup overlay on Workshop image
>> uboot_overlay_addr0=/lib/firmware/BBORG_GAMEPUP-00A2.dtbo
>>
>>
>>
>>
>> The e-ale workshop img has a different font but also gives the etc/issue 
>> login message and with keyboard I can login.
>> YouTube e-ale 2018 is very informative for learning about the BaconBits 
>> variation called TechLab but nothing related to GamePup display.
>> https://www.youtube.com/playlist?list=PLGYJ6-t7fDZ6VgbKPTeAXOBcnAk9Fonr_
>>
>> Not sure yet what a full graphical desktop LQXT img would do with 128x160 
>> display (which is using this https://www.adafruit.com/product/358 spec)
>>
>> Not sure where you are hung "talking" to screen.
>> I am learning using the co-product TechLab which has no screen with only 
>> one Pocket beagle between them.
>> I will be ordering another with fresh separate uSD using "latest Image" 
>> for IoT and LQXT from Beaglebone.org/latest-images .
>>
>> Wish me luck and stay tuned.
>> BTW,
>> I am using Linux Ubuntu Studio 19.04 host and have set it as internet 
>> portal / sharing to USB Pocketbeagle "gadget".
>> My way is different than described and is hard coded to the serial number 
>> of the Pocket Beagle with individually host renamed for DNS in browser.
>> I also hard code in etc/hosts as static IP.
>> I will have two devices simultaneously networked on USB hub.
>>  One TechLab and one GamePup.
>>
>>
>> https://developer.ridgerun.com/wiki/index.php/How_to_use_USB_device_networking
>>
>>
>>
>> On Sat, Aug 3, 2019 at 8:58 AM Sean Boult > > wrote:
>>
>>> Any updates with this board? I am wanting to use it for a project but am 
>>> hitting a wall controlling the display.
>>>
>>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
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>>  
>> 
>> .
>>
>

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Re: [beagleboard] How to correctly power down BeagleBoard-xM ?

[Robert Heller]

At Sun, 4 Aug 2019 21:25:19 -0700 (PDT) beagleboard@googlegroups.com wrote:

> 
> 
> 
> I have my BeagleBoard-xM connected to Windows 10 Laptop.  They are 
> communicating over serial console.
> I logged out and closed serial console.
> 
> How should I correctly power down my board?

*Before* you logout, run this command:

sudo /sbin/halt

This will cleanly shut the BeagleBoard down.

> 

-- 
Robert Heller -- 978-544-6933
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services


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