Re: [beagleboard] Tips on using a BBGW in a consumer product

2017-04-21 Thread Stephane Charette 

>
> There is also no functional watchdog on this board. I do believe there is 
> one included on the processor, but it's not functional for whatever reason 
> I no longer remember. This means, you need to add a watchdog if you're 
> serious about your product.
>


Sorry for the resurrection.  Post is from 2 months ago.

Why do you say the watchdog is not functional?  I'm making use of it on all 
of my devices installed at various client locations.  I found it works 
great.  I also wrote some open-source code to manage it: 
 https://www.ccoderun.ca/sg++/api/classSG_1_1BeagleBone_1_1Watchdog.html

Stéphane

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Re: [beagleboard] Tips on using a BBGW in a consumer product

2017-02-24 Thread William Hermans 
So kind of off topic to this subject, but I felt compelled to add this.

The beaglebones *DO* have a real-time clock. The problem with the real-time
clock is that once the board powers down, the real-time clock is no longer
functional. With no way to externally power the on die RTC, yes, there may
as well be no RTC. Except for one thing. The RTC does function, and can be
used to keep time while the system is up. If for nothing else -
Experimentation. This also makes things very simple when it come to
updating the system time. Which means you can have another RTC, with an I2C
interface, or whatever. Pull the time into the system via ntpdate. Update
the added RTC. Then at reboot, one of the things your system needs to do,
or *could* do. Is update the processors RTC from the added one. Every time
the system "boots" up. It really simple.

The rest of this is kind of the same theme as above, but does hit closer to
the post topic.

There is also no functional watchdog on this board. I do believe there is
one included on the processor, but it's not functional for whatever reason
I no longer remember. This means, you need to add a watchdog if you're
serious about your product. Along these lines, if you're going to use a
battery backup. You need to be able to toggle the boards reset, and
completely disconnect power to the board.. This is necessary because once
in a while, the board will hang at boot. In order to fix this glitch,
you'll need to cut the input power, then toggle reset, reapply power. I
think that's the correct sequence( would need to double check my source
code )Programmatically, this sequence can be fairly quick. I've tested this
at around 50ms between "toggling" these pins. Your mileage may vary.

With the above in mind. It would probably be better to craft your own power
management / watchdog "chip" from your MCU of choice. Something low power
of course, that can run for months on end. From your source battery. There
are also many other features you could design into this chip if you so
wish. Making it more worthwhile.

On Fri, Feb 24, 2017 at 12:06 PM, William Hermans  wrote:

>
>
> On Tue, Feb 21, 2017 at 1:32 PM, Steve Groen  wrote:
>
>>  Generally:
>>
>>  How do you incorporate a BBGW into a consumer product?
>>
>>  Does anybody do this, or do they design their own board
>>
>>  using BBGW as a base?
>>
> I almost did not respond to your post. Because we are incorporating a
> beaglebone into a product, but it's not wireless. Everyone on our team
> feels that wireless is not a good option for our needs  However, the boards
> despite their connectivity differences are the same. Mostly.
>
>>
>>
>> Reset/Upgrade:
>>
>>  How does a customer 'factory reset' a bricked BBGW?  Swap
>>
>>  out the SD card?  Provide an externally accessible slot
>>
>>  for the SD card, or allow customer to open and replace
>>
>>  the card?  RMA?
>>
> There really is no other way to reset the OS, other than using an sdcard.
> You could setup serial, or USB like geoff, but honestly all that is a waste
> of time IMHO. You still need to have physical contact with the board no
> matter what. But, like I said, that's just my opinion.
>
>>
>>
>>  How are field upgrades handled?  Replace SD card?  Over the
>>
>>  air upgrade procedure?  Connect via serial port?  RMA?
>>
> Field upgrades for what ? If you're talking about your custom software,
> then that can be pretty simple. Or less simple if you wish. Like geoff and
> his team, "we" invested a lot of time into over the air updating. By "we",
> I mean me. In fact, I'm still sorting it out, but it's nearly done. I can
> not get into details, but if you know Linux well, and think about what
> needs doing. You may find out, after some considerable amount of time spent
> experimenting. That such a feature can be very simple . . .
>
>

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Re: [beagleboard] Tips on using a BBGW in a consumer product

2017-02-24 Thread William Hermans 
On Tue, Feb 21, 2017 at 1:32 PM, Steve Groen  wrote:

>  Generally:
>
>  How do you incorporate a BBGW into a consumer product?
>
>  Does anybody do this, or do they design their own board
>
>  using BBGW as a base?
>
I almost did not respond to your post. Because we are incorporating a
beaglebone into a product, but it's not wireless. Everyone on our team
feels that wireless is not a good option for our needs  However, the boards
despite their connectivity differences are the same. Mostly.

>
>
> Reset/Upgrade:
>
>  How does a customer 'factory reset' a bricked BBGW?  Swap
>
>  out the SD card?  Provide an externally accessible slot
>
>  for the SD card, or allow customer to open and replace
>
>  the card?  RMA?
>
There really is no other way to reset the OS, other than using an sdcard.
You could setup serial, or USB like geoff, but honestly all that is a waste
of time IMHO. You still need to have physical contact with the board no
matter what. But, like I said, that's just my opinion.

>
>
>  How are field upgrades handled?  Replace SD card?  Over the
>
>  air upgrade procedure?  Connect via serial port?  RMA?
>
Field upgrades for what ? If you're talking about your custom software,
then that can be pretty simple. Or less simple if you wish. Like geoff and
his team, "we" invested a lot of time into over the air updating. By "we",
I mean me. In fact, I'm still sorting it out, but it's nearly done. I can
not get into details, but if you know Linux well, and think about what
needs doing. You may find out, after some considerable amount of time spent
experimenting. That such a feature can be very simple . . .

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Re: [beagleboard] Tips on using a BBGW in a consumer product

2017-02-21 Thread woody.lois via BeagleBoard 


On Tue, 2/21/17, Gerald Coley  wrote:

 Subject: Re: [beagleboard] Tips on using a BBGW in a consumer product
 To: "beagleboard@googlegroups.com" 
 Cc: "Jason Kridner" 
 Date: Tuesday, February 21, 2017, 11:08 PM
 
 It arrived
 in the group posting.
 Gerald
 
 On Tue, Feb 21, 2017 at
 2:32 PM, Steve Groen 
 wrote:
 Jason
 Kridner, Generally:
 How do you incorporate a BBGW into a consumer
 product?
 Does anybody do this, or do they design their own
 board
 using BBGW as a base? Reset/Upgrade:
 How does a customer 'factory reset' a bricked
 BBGW?  Swap
 out the SD card?  Provide an externally accessible
 slot
 for the SD card, or allow customer to open and
 replace
 the card?  RMA? 
 How are field upgrades handled?  Replace SD card?  Over
 the
 air upgrade procedure?  Connect via serial port? 
 RMA?  Jason, did I Cc this
 message properly as you requested?  If so where do I go
 to see this posting?
 
 
 
 
 
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Re: [beagleboard] Tips on using a BBGW in a consumer product

2017-02-21 Thread Gerald Coley 
It arrived in the group posting.

Gerald


On Tue, Feb 21, 2017 at 2:32 PM, Steve Groen  wrote:

> Jason Kridner,
>
>
>
> Generally:
>
>  How do you incorporate a BBGW into a consumer product?
>
>  Does anybody do this, or do they design their own board
>
>  using BBGW as a base?
>
>
>
> Reset/Upgrade:
>
>  How does a customer 'factory reset' a bricked BBGW?  Swap
>
>  out the SD card?  Provide an externally accessible slot
>
>  for the SD card, or allow customer to open and replace
>
>  the card?  RMA?
>
>
>
>  How are field upgrades handled?  Replace SD card?  Over the
>
>  air upgrade procedure?  Connect via serial port?  RMA?
>
>
>
>
>
> Jason, did I Cc this message properly as you requested?  If so where do I
> go
> to see this posting?
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
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> msgid/beagleboard/000b01d28c81%24a7a2f470%24f6e8dd50%24%40mchsi.com
> 
> .
> For more options, visit https://groups.google.com/d/optout.
>



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gcol...@emprodesign.com

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[beagleboard] Tips on using a BBGW in a consumer product

2017-02-21 Thread Steve Groen 
Jason Kridner,

 

Generally:

 How do you incorporate a BBGW into a consumer product?

 Does anybody do this, or do they design their own board

 using BBGW as a base?

 

Reset/Upgrade:

 How does a customer 'factory reset' a bricked BBGW?  Swap

 out the SD card?  Provide an externally accessible slot

 for the SD card, or allow customer to open and replace

 the card?  RMA?

 

 How are field upgrades handled?  Replace SD card?  Over the

 air upgrade procedure?  Connect via serial port?  RMA?

 

 

Jason, did I Cc this message properly as you requested?  If so where do I go
to see this posting?



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