debian@beaglebone:~$ uname -r
4.14.108-ti-r136
debian@beaglebone:~$ groups
debian adm kmem dialout cdrom floppy audio dip video plugdev users
systemd-journal input bluetooth netdev cloud9ide xenomai weston-launch
tisdk docker i2c iio spi admin remoteproc eqep pwm gpio
debian@beaglebone:~$ sudo chown root:gpio
/sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins
debian@beaglebone:~$ sudo chmod 664
/sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins
debian@beaglebone:~$ sudo ls -l
/sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins
-rw-rw-r-- 1 root gpio 0 Jan 1 1970
/sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins
debian@beaglebone:~$ cat
/sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins
cat: /sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins: Permission
denied
debian@beaglebone:~$ python3 src/pruio_examples/1.py
Traceback (most recent call last):
File "src/pruio_examples/1.py", line 25, in <module>
if IO.Errr: raise AssertionError("pruio_new failed (%s)" % IO.Errr)
AssertionError: pruio_new failed (b'parsing kernel claims')
I'm back on the 4.14 kernel to get closer to what you have. I modified the
pinmux-pins permissions to be just like yours. I'm already in the gpio
group. What do your permissions look like for the whole directory structure
leading up to pinmux-pins?
The 2to3 procedure worked perfectly for me as well:
debian@beaglebone:~$ python3 src/pruio_examples/1.py
Traceback (most recent call last):
File "src/pruio_examples/1.py", line 25, in <module>
if IO.Errr: raise AssertionError("pruio_new failed (%s)" % IO.Errr)
AssertionError: pruio_new failed (b'parsing kernel claims')
debian@beaglebone:~$ sudo python3 src/pruio_examples/1.py
F940 EBD0 F4A0 88C0 58A0 9EB0 B6C0 F1E0
F960 EE70 F510 C170 9600 91A0 9990 F200
F950 EE10 F530 C630 A400 A0A0 A1D0 F1E0
F970 EE30 F510 C680 A640 A470 A680 F1F0
F990 EE10 F4E0 C680 A6B0 A5C0 A910 F200
F990 EE30 F500 C660 A6B0 A630 AA10 F1E0
F980 EE00 F4F0 C680 A660 A5D0 A980 F1C0
F980 ED90 F4E0 C640 A590 A520 A8D0 F1D0
F950 ED90 F510 C5F0 A520 A470 A7B0 F1B0
F940 EDC0 F500 C5C0 A4F0 A420 A6B0 F1D0
F960 EDA0 F4D0 C5C0 A4B0 A3B0 A630 F210
F940 EDC0 F500 C5B0 A450 A370 A5C0 F1C0
F940 EDF0 F4F0 C5D0 A4E0 A3C0 A5F0 F1B0
--
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