Very cool Mark.
A couple of notes:
1. It might be a good idea to put a note in there for the folks to back up
their currently booted dts/dtb files before editing them.
2. Under "Finding which device tree to edit" I believe there is a typo:
Note: If you want to edit the source using cloud9 us the following
trick ...
Should be:
Note: If you want to edit the source using cloud9 *use* the following
trick ...
3. When you run make, would it be best to just run it against the file that
was edited rather than the whole folder?
Maybe the build script is smart enough to figure this out.
4. Under "Adding our LED" there is the following without explaining the
why. Was this intentional?
"How did I know to use *gpio1* and *18*?"
This is a nice series. Thanks for sharing.
Cheers,
Jon
On Thu, Aug 27, 2020 at 8:31 AM Renaud Waldura <[email protected]> wrote:
> Good stuff, thank you Mark!
>
> How are the triggers defined? They're more or less self explanatory, I'm
> just curious how it works.
>
>
> On Thu, Aug 27, 2020, 6:06 AM Mark A. Yoder <[email protected]>
> wrote:
>
>>
>> Yup, years for facing blank stares has taught me a few things.
>>
>> This particular example touched on so many different things it could be a
>> nice final exam.
>>
>> --Mark
>> On Wednesday, August 26, 2020 at 9:59:23 PM UTC-4 lazarman wrote:
>>
>>>
>>> Well presented I like your approach at documentation I bet that comes
>>> from teaching
>>>
>>>
>>> Sent from Yahoo Mail on Android
>>> <https://overview.mail.yahoo.com/mobile/?.src=Android>
>>>
>>> On Wed, Aug 26, 2020 at 5:30 PM, Mark A. Yoder
>>> <[email protected]> wrote:
>>>
>>> Beagler's:
>>> I just wrote up some notes on how to edit the device tree to change a
>>> GPIO into an LED.
>>>
>>> Switching_a_GPIO_to_an_LED
>>> <https://elinux.org/EBC_Exercise_17_Switching_a_GPIO_to_an_LED>
>>>
>>> It's are rather involved process that requires understanding some deeper
>>> magic.
>>>
>>> Let me know what you think.
>>>
>>> --Mark
>>>
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