On Tue, Sep 15, 2020 at 2:02 PM Pavel Yermolenko <[email protected]> wrote: > > Hello, > > I connected two pins on P9 header to EHRPWM0 peripheral (channels A and B). > Channel A is visible whereas B not. > > debian@beaglebone:/sys/class/pwm/pwmchip1$ sudo show-pins | sort > ...... > P9.21 / spi boot in 85 fast rx down 3 pwm 0 out B > ocp/P9_21_pinmux (pinmux_P9_21_pwm_pin) > P9.22 / spi boot clk 84 fast rx down 3 pwm 0 out A > ocp/P9_22_pinmux (pinmux_P9_22_pwm_pin) > ...... > > debian@beaglebone:/sys/class/pwm/pwmchip1$ ls > device export npwm power pwm-1:0 subsystem uevent unexport > debian@beaglebone:/sys/class/pwm/pwmchip1$ > > pwm-1:1 is missed. Why ?
Did you export channel 1? debian@bbb-pwr01-ser09:/sys/class/pwm/pwmchip1$ echo 0 > export debian@bbb-pwr01-ser09:/sys/class/pwm/pwmchip1$ echo 1 > export Regards, -- Robert Nelson https://rcn-ee.com/ -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYj5UQUohD2rt_LXUpiUOOdPXg9x5gy5Hsn911jPEJn%2BpA%40mail.gmail.com.
