John, did you ever figure out what Derek was referring to here? If so, could you post more info?
On Saturday, June 1, 2013 7:14:33 PM UTC-7, John Leichty wrote: > > Derek, could you elaborate on what you mean by the Ubuntu image not having > EHRPWM_TEST set? I'm experiencing the same problem of the missing duty and > period files in the Ubuntu image and am trying to figure out where to make > these changes (and then how to recompile and and reinstall the kernel). > > On Friday, May 24, 2013 6:30:47 PM UTC-7, [email protected] wrote: >> >> I found the source of the problem. The Ubuntu image did not have the >> EHRPWM_TEST set as opposed to the Angstorm image. I enabled it and >> reinstalled the kernel using the script here: >> http://www.eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-LinuxBuildScript >> : >> >> This brought up the period and duty files that were missing. >> >> It should also be noted that when compiling the module, I ran into >> compilation error (caused by a missing "}"). Changes I made can be found >> here: http://pastebin.com/s1CeYguF >> >> On Thursday, May 23, 2013 7:52:04 PM UTC-4, [email protected] wrote: >>> >>> I'm also running into the same problems. I'm running the 12.10 image >>> from http://elinux.org/BeagleBoardUbuntu and I don't have any files >>> named duty or period show up. >>> >>> On Tuesday, May 21, 2013 6:50:32 PM UTC-4, thehurley3 wrote: >>>> >>>> Did you ever find a fix to this? It appears that ubuntu also suffers >>>> the same problem. (I trying to write a proper c++ library for the servos) >>>> >>>> On Friday, May 17, 2013 7:18:41 AM UTC-4, [email protected]: >>>>> >>>>> Hey, >>>>> same her with ARCH Linux ARM. >>>>> So there's a difference in the pwm driver (kernel module?) being used >>>>> by the BBB distro and Arch or Debian ? I'm not really (no, really not at >>>>> all) very smart when it comes to this. I'm lost when Google does't know >>>>> the >>>>> answer to my problems (or the question which suits my problems ;-) ) >>>>> >>>>> Anyway the BBB Angstrom Distro should be fine for testing. I tried >>>>> ARCH since BBB Angstrom comes with so much stuff I don't want (Cloud9 etc >>>>> etc) >>>>> Regards >>>>> >>>>> Just in case somebody is curious: I followed these (very simple) >>>>> instructions to set up ARCH Linux ARM on a SD Card for the Beaglebone >>>>> Black. >>>>> >>>>> Am Mittwoch, 8. Mai 2013 17:11:13 UTC+2 schrieb Markus: >>>>>> >>>>>> Hi, >>>>>> >>>>>> my BBB is running on Debian 7 (netinstall 3.8.8-bone14 #1 SMP Wed Apr >>>>>> 24 08:55:00 UTC 2013 armv7l GNU/Linux) >>>>>> and, following Micahel's instructions, I've got the same problems as >>>>>> Neils reported. >>>>>> I noticed that there's only one capemgr device >>>>>> (/sys/devices/bone_capemgr.9/). >>>>>> >>>>>> When I echo bone_pwm_PX_XX > /sys/devices/bone_capemgr.9/slots I end >>>>>> up with pwm_test folders that look like this: >>>>>> >>>>>> pwm_test_P9_14.15/power >>>>>> pwm_test_P9_14.15/power/control >>>>>> pwm_test_P9_14.15/power/runtime_active_time >>>>>> pwm_test_P9_14.15/power/autosuspend_delay_ms >>>>>> pwm_test_P9_14.15/power/runtime_status >>>>>> pwm_test_P9_14.15/power/runtime_suspended_time >>>>>> pwm_test_P9_14.15/modalias >>>>>> pwm_test_P9_14.15/subsystem >>>>>> pwm_test_P9_14.15/uevent >>>>>> >>>>>> Any ideas what's wrong on my system? >>>>>> >>>>>> Regards, >>>>>> Markus >>>>>> >>>>> -- 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
