Hi, I am no expert but I think the post at the bottom of this page may have your answer.
good luck https://github.com/alexanderhiam/PyBBIO/issues/18 On Tuesday, 29 April 2014 09:26:17 UTC+2, Yanlong Mu wrote: > > ANYONE THERE? > > I just a fresher did the servo test with my BBB, however, when I use some > command as ( > http://www.phys-x.org/rbots/index.php?option=com_content&view=article&id=106:lesson-3-beaglebone-black-pwm&catid=46:beaglebone-black&Itemid=81) > > tutorial, I just find some serious problem with my pwm setting. > > > ubuntu@ubuntu-ianymu:/sys/devices/ocp.2/pwm_test_P8_13.14$ ls >> modalias power subsystem uevent >> >> I consider there are missing some file with my BBB. it should includes > <run>, <duty>, <period>, <polarity>. > > So I try to use update it does not work, and use > > # echo am33xx_pwm > /sys/devices/bone_capemgr.9/ > slots > # echo bone_pwm_P8_13 > /sys/devices/bone_capemgr.9/slots > > it all did not worked on it. > > Guys, I have already asked many ask forum about this question, no one know > how to fix that. somebody suggest me to change the DEBIAN or ANGSTROM. > > I would like to figure it out what's going on with that problem. > > Anyone can help me to solve that? pleeeeeeeeeeeeeeeeeease.......... > > So, there are some information about my bbb and environment. > > ubuntu@ubuntu-ianymu:~$ uname -a > Linux ubuntu-ianymu 3.8.13-bone20 #1 SMP Wed May 29 10:49:26 UTC 2013 > armv7l armv7l armv7l GNU/Linux > > root@ubuntu-ianymu:/sys/kernel/debug# cat /sys/kernel/debug/pwm >> platform/48304100.ecap, 1 PWM device >> pwm-0 ((null) ): >> >> platform/48304200.ehrpwm, 2 PWM devices >> pwm-0 ((null) ): >> pwm-1 ((null) ): >> >> platform/48302200.ehrpwm, 2 PWM devices >> pwm-0 ((null) ): >> pwm-1 ((null) ): >> >> platform/48300100.ecap, 1 PWM device >> pwm-0 ((null) ): >> >> platform/48300200.ehrpwm, 2 PWM devices >> pwm-0 ((null) ): >> pwm-1 ((null) ): >> >> > If you need any query please do not hesitate contact with me. > > Your sincerely > > Ian Mu > -- 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.
