Hi Daivy, I am currently having the same problem, and I would like to know if you have solved it already. Even I am not using BBB I am pretty sure it must be almost the same procedure.
Thanks Felipe On Wednesday, April 2, 2014 9:00:51 AM UTC+2, daivy....@gmail.com wrote: > > Hello, > > I patched the linux kernel 3.8.13 with Xenomai 2.6.3 using Robert Nelson > instructions : > https://github.com/cdsteinkuehler/linux-dev/tree/3.8.13-xenomai/patches, > and I want to capture interrupt GPIOs using the Xenomai API on the Pin 12 > on the P9 header (gpio_1[28] ==> GPIO 60), using this code : > > /* > * main.cpp > * > * Created on: 26 mars 2014 > * Author: daivymerlijs > */ > > > #include <stdio.h> > #include <sys/mman.h> > #include <xenomai/native/task.h> > #include <xenomai/native/intr.h> > > > static RT_INTR intr; > > int main() { > mlockall(MCL_CURRENT | MCL_FUTURE); > rt_task_shadow(NULL,NULL,90,0); > rt_intr_create(&intr,NULL,60,0); //not the correct value > rt_intr_enable(&intr); > > while(1){ > printf("Waiting interruption... \n"); > rt_intr_wait(&intr,TM_INFINITE); > printf("Interruption OK"); > > } > return 0; > } > > > I want to capture the interruption by using a button connected to that > GPIO, because BBB can capture 1-0 or 0-1 interruption. So, if everything is > alright and I press the button, "rt_intr_wait" will deblock (it's a > blocking fonction) and will print "Interruption OK". > > The main problem is "rt_intr_create", where I don't know the correct value > to use, because the GPIO number is not the correct the value to use, the > value I need to know is the value used by the kernel ID that is linked with > the GPIO. However, I can't find this information anywhere. At the opposite > of some cards, like FOXG20, which tell me what is the ID number depending > of the kernel version :http://www.acmesystems.it/pinout_foxg20 > > So I think I should find a similar information in the BBB documentation > (and the Texas Instruement documentation too) , but I can't find it > anywhere. I need a lot of help on this, I hope you guys can help me. > > Thanks, > Daivy > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
