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. Create free account Forgot password? No registered users and 4 guests. Last edited by jcarrillo on , 7: I eventually will need to drive some GPIOs high or low depending on a condition very slow binary status stuff.
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Find More Posts by rk1genius. This book contains many gpil life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant.
Welcome to AT91SAM Community Discussions
It is a kernel code. All times are GMT Introduction to Microcontrollers Mike Silva. Then i looked for the linuxkernel in my buildroot directorie and read these files: Please visit this page to linuxx all LQ-related cookies.
Rain dance time, IH. Are you new to LinuxQuestions.
BB code is On. Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome. I would kindly appreciate any help a9t1 the issue. Who is online Users browsing this forum: Thanks for the PI link.
If your applications are not using any GUI libraries then using sysfs is the most straightforward method.
Thanks and regards Rahul. That is exactly what I was looking for.
If I had to write an application, how would I control this port? Pls, can anyone provide directions what to gpii Having a problem logging in?
Software Engineer Implement spacecraft avionics software, implement ground control and Last edited by jcarrillo on7: Hope my problem is close to the linkx topic of the post, and there are many developers who would find useful the problem solution I need.
No registered users and 4 guests. Hi, Could u share the working code please.
AT91SAM | Linux sam How to read a button?
Linux does not allow to access the ports directly “segmentation fault”. I understand, that the post topic is old and nobody might not look at my posting, byt yet nonetheless The Device Tree is for configuring the board, and are used by the device drivers in the kernel.
Registration is quick, simple and absolutely free. I know there must be tons of people using embedded Linux for years that know the answer to this. GPIO access from users pace? I eventually will need to drive some GPIOs high or low depending on a condition very slow binary status stuff.
By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe linhx threads and access many other special features. Protecting the IoT with Invisible Keys. So it needs to be done with linux drivers.