Writing to GPIO pins on Orange Pi Zero with Mono

fabs.rodriguez

Hi


I wrote a Mono app for Armbian Ubuntu running on an Orange Pi Zero to read incoming telemetry data from the serial port.That part is working fine, but I now need to activate one of the pins on the GPIO. I simply have to occasionally set pin 19 to high for about a second and then clear it again.
Unfortunately, I'm struggling quite a bit with this. Whereas reading the serial port was relatively easy, I'm quite lost on writing to a GPIO pin with Mono.
If any one has any pointers I'd greatly appreciate it. Perhaps a sample or an idea of which library I should be using would be greatly appreciated. Thank you

dmx512

In Armbian, something like the following would set the GPIO's

1. # echo "5" >/sys/class/gpio/export
   
2. # echo "out" >/sys/class/gpio/gpio5/direction
   
3. # echo "1" > /sys/class/gpio/gpio5/value

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