Hi,
I have installed Debian , Raspbian and ubuntu images, but not able to access gpio pins
I have used http://wiki.lemaker.org/BananaPro/Pi:GPIO_library (successfully installed and compiled)
root@bpi-iot-ros-ai:/home/pi# gpio readall Bus error
every command on gpio is giving error , not able to detect photo electric sensor. m using python3 . I have used wiring pi library also This is the board - Banana Pi BPI-F2P industrial control board with Sunplus Plus1(sp7021) design with 512M RAM and 8G eMMC
Please help