hi all ! i have built a cnc mill which is controlled by my computer via parallel port. i have used EMC2 software on ubuntu for controlling. now i want to install EMC2 on my mini2440 (3.5" inch). but how can i access the gpio port or make the gpio works as parallel port ? any help would preferable. Thanks in Advance :)
http://farm2440.blogspot.com/ Check the build script to make sure it matches your Qt install directory. JamesH
Hello, Before gpio/parallel problem, i would check minimal requirements for EMC2. Despite the fact i think you have a pretty smart idea, i have a doubt concerning MINI2440 hardware (For exemple Cpu@700Mhz or 256Mb Ram...) But, i may be totally wrong! Good luck!
I think main problem it's not how to access GPIOs (see kernel docs for kernel and user space API), but how to generate step/dir pulses in real time. As far, as know RTAPI ported to ARM, but not ported to S3C2440. But this idea is works: http://www.youtube.com/watch?v=_Ti7yJoLla4 !