[GPIO not working for non root]

I am trying to host an web application (Python Django based) and i am using GPIO pins (library: OPi.GPIO==0.6.3). I got the permission error in "sys/class/gpio/* " and when i give manually permission to several files (location=sys/class/gpio/*) but the issue  remains the same .

 

Device :OrangePi Zero
OS : Ubuntu Bionic with Armbian Linux 4.19.62-sunxi

 

[GPIO not working for non root]

18 hours ago, Igor said:

 

Most of the existing documentation is valid only for legacy 3.4.y kernel. Also on the one you are reffering to.

 

On modern kernel, fundaments are changed (most likely to align with some standards). Kernel 3.4.y had Allwinner "standards".

what  would  you suggest me to follow documents regarding the solution for this error.  if you correct me in right direction  . Thanks in advance . 

[GPIO not working for non root]

  "Permission denied : /sys/class/gpio/gpio10/direction"  

 

i tried all the online solution given in forum and Opi.GPIO Documentation but the error remains the same . 

 

OPi.GPIO Documentation (https://opi-gpio.readthedocs.io/en/latest/install.html)  for non root access the error remains the same

 

 

how could  i able to give permission to "sys/class/gpio/"  location in non root access

Please anyone reply