Fitlet2 GPIO LEDs

Moderator: Andrey.Mazlin

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devin
Posts: 5
Joined: Fri Dec 15, 2017 7:02 pm

Fitlet2 GPIO LEDs

Post by devin »

It looks like the two LEDs on the Fitlet2 are intended to be used as GPIO LEDs.

Is this the case?
Where can I find information on how to toggle these LEDs programmatically?

Thanks.

irads

Re: Fitlet2 GPIO LEDs

Post by irads »

The LED indicators have two purposes:
1. Provide boot indication
2. Serve as general purpose application-driven indicators

Full functionality is subject to a later BIOS revision.

devin
Posts: 5
Joined: Fri Dec 15, 2017 7:02 pm

Re: Fitlet2 GPIO LEDs

Post by devin »

Hello,

Any updates on being able to toggle the LEDs programmatically?

Thanks,
Devin

tamir
Site Admin
Posts: 419
Joined: Mon Dec 25, 2017 4:21 pm

Re: Fitlet2 GPIO LEDs

Post by tamir »

devin wrote:Hello,

Any updates on being able to toggle the LEDs programmatically?

Thanks,
Devin
Already in the fitlet2 application notes page on our wiki.
Here's a direct link:
http://fit-pc.com/wiki/index.php/Contro ... 1_and_LED2

devin
Posts: 5
Joined: Fri Dec 15, 2017 7:02 pm

Re: Fitlet2 GPIO LEDs

Post by devin »

Hi Tamir,

Is there a way to toggle the LEDs using simple C code and Memory Mapped I/O? i.e. we don't have the Linux userspace driver available to us.

Thanks

tamir
Site Admin
Posts: 419
Joined: Mon Dec 25, 2017 4:21 pm

Re: Fitlet2 GPIO LEDs

Post by tamir »

devin wrote:Hi Tamir,

Is there a way to toggle the LEDs using simple C code and Memory Mapped I/O? i.e. we don't have the Linux userspace driver available to us.

Thanks
Hi Devin,

We hope to update the page in the future with information for other platforms

JohnGalt
Posts: 9
Joined: Wed Jul 18, 2018 2:40 am

Re: Fitlet2 GPIO LEDs

Post by JohnGalt »

Are there pinouts where we can access these somewhere? What are J8 and J11 used for? I'm wanting to incorporate this internally into a product, and it would be very helpful to have access to even just one of these GPIO to drive an LED.

tamir
Site Admin
Posts: 419
Joined: Mon Dec 25, 2017 4:21 pm

Re: Fitlet2 GPIO LEDs

Post by tamir »

on which operating system are you trying to configure that?
Currently there's only Linux support for GPIO:
http://fit-pc.com/wiki/index.php/FAQ:fitlet2

We hope to add Windows support as well in the near future.

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