I decided periodically leave some working C examples, from different books which I tested.
Some explanation about gpio numeration in Linux.
Last week I spent with hardware of my current project. It is just a platform with camera which will be rotate by 2 servo. Controlling servo from console is not comfortable. So I decided install Qt and start work with GPIO.
Next step is understanding working with peripherals from kernel space.
Sometimes it useful to get access to your RPI board from desktop computer.
It was a long time ago when the last post was written but i don’t waste my time. There are some information which I learned. And… yes it is another example of turn on led.
Finally i did it! Hello world kernel module on RPI.