[beagleboard] Re: Set pinmux to PRU Industrial Ethernet Peripheral (IEP) from Linux

2020-01-20 Thread Andrew P. Lentvorski

Thank you.

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Re: [beagleboard] Re: BBAI and Updating to Stop the Heat Transfer at https://beagleboard.org/upgrade

2020-01-20 Thread IO
You mean, by running cat /sys/devices/virtual/thermal/thermal_zone0/temp ?

On Sunday, January 19, 2020 at 7:54:46 PM UTC+2, se...@lafayette-parish.com 
wrote:
>
> Hello,
>
> Just an update, if you run the temp. sensors onboard the AI and run the 
> fan, on my end, you will receive a 38c or below temp. for the board chips 
> and surrounding area.
>
> Seth
>
> P.S. Nice! Fans!
>
> On Thursday, January 2, 2020 at 1:18:29 AM UTC-6, Mala Dies wrote:
>>
>> Hello,
>>
>> Thank you for this update. I did update the board already as the link 
>> suggested. My fan was a 24v fan. I need to get another fan.
>>
>> Seth
>>
>> P.S. I might get the digikey.com fan you have listed. Anyway, if anyone 
>> has any other ideas, shoot!
>>
>> On Sunday, December 29, 2019 at 5:30:02 PM UTC-6, jonnymo wrote:
>>>
>>> Jason recently posted an update regarding the Fan Cape he is working on.
>>> In the mean time, he recommended the Coolerguys USB fan that is listed 
>>> in the BBAI FAQ:
>>>
>>> https://github.com/beagleboard/beaglebone-ai/wiki/Frequently-Asked-Questions#fans
>>>
>>> https://www.coolerguys.com/collections/usb-fans/products/25mm-25x25x10-usb-fan
>>>
>>> Previously, the X15FANKIT was suggested but it requires wiring to 5v and 
>>> grnd on the BBAI.  I am using this and it seems to work fine for my BBAI. 
>>> This does fit perfectly on the BBAI heat-sink and the provided screws work 
>>> just fine. 
>>>
>>> https://github.com/beagleboard/beaglebone-ai/wiki/System-Reference-Manual#3-1-2-fans
>>>
>>> https://www.digikey.com/product-detail/en/digi-key-electronics/X15FANKIT/X15FANKIT-ND/5822502
>>>
>>>
>>> Cheers,
>>>
>>> Jon
>>>
>>> On Sun, Dec 29, 2019 at 10:03 PM Mala Dies  wrote:
>>>
 Hello,

 Thank you for the idea. USB powered fans. I guess they make everything 
 these days.

 Seth

 P.S. I was just going to power it from the sys_5v pin and GND on the 
 BBAI. I guess there are many more ways to go about making things work than 
 once thought.

 On Sunday, December 29, 2019 at 8:56:07 AM UTC-6, Stephen Johnson wrote:
>
> I bought a USB powered fan which gives a very low airflow, but has 
> kept everything cool to the touch.
> I just have the BBAI on my engineering workbench anyhow, so I just 
> wanted something simple and quiet.
>
>
> [image: IMG_1873.jpeg]
>
>
>
> On Saturday, December 28, 2019 at 7:17:02 PM UTC-6, Mala Dies wrote:
>>
>> Hello,
>>
>> I was reluctant to purchase the BBAI at first b/c I have heard of 
>> issues w/ heat dissipation on the board and the chip. Anyway...
>>
>> Long story, short. I bought it against my better judgement b/c I know 
>> everyone, in the BBB world, is supportive w/ nice ideas.
>>
>> ...
>>
>> So:
>>
>>
>>- I went to: https://beagleboard.org/upgrade.
>>- I upgraded the board and adjusted things.
>>- I rebooted the board and found the board to be just as hot.
>>
>>
>> Has anyone else come across an issue w/ heat or a fix to the heat 
>> issue?
>>
>> Seth
>>
>> P.S. I might get rid of some of the extras that comes with this board 
>> but I purchased it for its functionality. I want to use the M4, TIDL, 
>> EVEs, 
>> and other 
>> more complicated chips for fun! I was thinking I would finally learn 
>> to program the PRUs too. I am going to try to get rid of node-red, 
>> chromium, and 
>> some other sockets and ports on the board. I think that these may 
>> cause services that I will not use ever. 
>>
>> ...
>>
>> If you are using the board, the BBAI, and you have had some similar 
>> issues and came up w/ a nice fix, please let me know. I would like to 
>> try 
>> all
>> or any relative sources of ideas to support the heat consumption on 
>> the board. 
>>
>
 On Sunday, December 29, 2019 at 8:56:07 AM UTC-6, Stephen Johnson wrote:
>
> I bought a USB powered fan which gives a very low airflow, but has 
> kept everything cool to the touch.
> I just have the BBAI on my engineering workbench anyhow, so I just 
> wanted something simple and quiet.
>
>
> [image: IMG_1873.jpeg]
>
>
>
> On Saturday, December 28, 2019 at 7:17:02 PM UTC-6, Mala Dies wrote:
>>
>> Hello,
>>
>> I was reluctant to purchase the BBAI at first b/c I have heard of 
>> issues w/ heat dissipation on the board and the chip. Anyway...
>>
>> Long story, short. I bought it against my better judgement b/c I know 
>> everyone, in the BBB world, is supportive w/ nice ideas.
>>
>> ...
>>
>> So:
>>
>>
>>- I went to: https://beagleboard.org/upgrade.
>>- I upgraded the board and adjusted things.
>>- I rebooted the board and found the board to be just as hot.
>>
>>
>> Has anyone else come across an issue w/ 

[beagleboard] Re: Set pinmux to PRU Industrial Ethernet Peripheral (IEP) from Linux

2020-01-20 Thread TJF
SS=subsystem -> chapter 25

Am Montag, 20. Januar 2020 07:12:34 UTC+1 schrieb Andrew P. Lentvorski:
>
> Okay, then I'm just missing something obvious.  What is a GPIO-SS?  What 
> unit and what register address?  I see no mention of "GPIO-SS" anywhere in 
> the AM335x Technical Reference Manual.
>
> Normally, I associate SS with "slave select" which means SPI.  I see that 
> you *can* turn around the CS lines on the McSPI subsystem, but you have to 
> switch from Master to Slave Mode.  That doesn't seem like what you are 
> suggesting.
>
> On Sunday, January 19, 2020 at 12:38:28 AM UTC-8, TJF wrote:
>>
>>
>> It was your idea to use the PRU-IEP module. I recommended to use a pin on 
>> a GPIO-SS. 
>>
>
> I went hunting for GPIO-SS--I didn't find anything.  I went hunting for OE 
> (output enable) in the PRU docs.  I found one on the digio.  I also found 
> that TI used the IEP to implement the 1-Wire interface on the PRUCAPE.  You 
> were also implementing bidirectionality on a 1-Wire interface.  I drew an, 
> incorrect in retrospect, inference that people were using the IEP digio for 
> bidirectional and tri-state functions.
>

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