Are you new to LinuxQuestions. Who is online Users browsing this forum: I have always used micros in bare metal fashion and have always had direct control to drive GPIO ports however I wanted. User space programs will be able to use these buttons via event interface. Visit the following links:

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Hope my problem is close to the ogirin topic of the post, and there are many developers who would find useful the problem solution I need. lnux

No registered users and 4 guests. Find More Posts by rk1genius. Visit the following links: I’ve you find something let me know: That is exactly what I was looking for.

Hi, Could u share the working code please. Note that registered members see fewer ads, and ContentLink is completely disabled once you log in. So it needs to be done with linux drivers.

How to read a button? GPIO access from users pace? I would be interested in seeing some application implementation examples as well.


It is a kernel code.

AT91SAM | Linux sam How to read a button?

Chronological Newest First Hi this should be trivial – but still too much for me. Glad I am not the only one trying to figure this out. Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.

The process with Linux shell is the following: Has anyone some sample code for a similar board or can help me to access the keys and leds? Sign in Sign in Remember me Forgot username or password? I should have titled the subject, “The most basic Linux questions in the world” to get the most eyes.

On Friday 11 December Regards, Evgenii Prun, Moscow, Russia. Who is online Users browsing this forum: Is there a low level command in Linux that can access already known ports that will allow me to drive this port or a way to accomplish this without adding a new device with it’s own Linux driver? And now I don’t know, who is to blame, the hardware or may be the driver. I am sure something is done in linux 2. Let’s say we want to use GPIO5 as output. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features.


Welcome to AT91SAM Community Discussions

Linux does not allow to access the ports directly “segmentation fault”. How do i find or where is this table definig the banks? Are you new to LinuxQuestions.

Review your favorite Linux distribution. I have always used micros in bare metal fashion and have always had direct control to liunx GPIO ports however I wanted. I understand, that the post topic is old and nobody might not look at my posting, byt yet nonetheless Hi, With Linux versions v3. Protecting the IoT with Invisible Keys. What includes are required then?