Thanks. I was able to login as root by logging in as debian and then entering:
sudo su then using the password temppwd. The rc examples work now but I still don't know where they are located. On Wed, Jan 23, 2019 at 7:46 AM Robert Nelson <[email protected]> wrote: > On Wed, Jan 23, 2019 at 7:09 AM Taylor White <[email protected]> > wrote: > > > > I appreciate the help so far everyone. I've made a little more progress, > probably passed the internet access challenge, but I still need help. > > > > I had trouble getting compression/image writing utilities on the lab > computers because the executables required internet access. However, I was > able to load the img.xz file onto a Mac in the lab, unarchive the contents, > and write to a SD card using the disk utility. > > > > I booted from the SD card by holding the boot button and verified that I > have the latest version 2018-10-07. I also tested the functionality with > rc_test_drivers, everything PASSED, Robot Control Library Version 1.0.3. > > > > I was able to run the rc_blink program but when I tried to run > rc_test_servos -c 1 -p 0.0, I get the following errors: > > ERROR: in rc_pru_shared_mem_ptr could not open /dev/mem: Permission > denied > > Need to be root to access PRU shared memory > > ERROR in rc_servo_init, failed to map shared memory pointer > > > > I tried to change directory to root, but I don't know the password > (temppwd,root,debian don't work). I was also trying to find where these rc > examples were located. I found the rc_project_template here: > /usr/share/robotcontrol/rc_project_template. I'm guessing that the rc > examples are in the root directory or I'm not allowed to see them. > > sudo rc_test_servos -c 1 -p 0.0 > > 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/CAP1c__sOJx7CkHTazfT3gkSpRZ4VBfM7%2BxJVFwgkLs3AN5On8g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
