E320 GPIO API

[bktKevin]

HI, I have tried to control the available gpios on my e320 through the gpio api, using Python. I have looked at the documentation related with this matter. I have setup four pins as input and 4 as output and connected between, this way I could check if I properly writing and reading but it's not working.

This is the code I have: 

But I always get this:

I have tried many configurations on my minihdmi-hdmi adapter but always get the same result. Do you have any hint on this?

Thanks in advanced!