> On Nov 13, 2014, at 9:33 PM, Peter Gregory <[email protected]> wrote: > > So, I can get config-pin to install by getting the universal-io from git > > #apt-get install gcc g++ make device-tree-compiler > #git clone https://github.com/cdsteinkuehler/beaglebone-universal-io > #cd beaglebone-universal-io/ > #make > #sudo make install > > after that, I can change the mode of my pin > > PIN 8 - P8-19 gpio0[22] 22 0x820 EHRPWM2A > > to PWM with: > > #config-pin p8.19 pwm > > it changes the configuration, I can verify it by checking with > > #config-pin -q p8.19 > > however, I can't export the pin using: > > sudo cat 2 > /sys/class/pwm/export
??? sudo echo 2 > /sys/class/pwm/export maybe? "cat 2” would try to concatenate (or print) a file named “2” to stdout and then redirect it to a file named /sys/class/pwm/export > > it always comes back with permission denied > > also, the /sys/class/pwm directory is empty, there should be something in > there, right? > > Any ideas what I need to do to get pwm working? > > > > -- > 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/d/optout. -- 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/d/optout.
