P0.12 GPIO with BSP doesn't detect the input

[clake]

Hi all, I have created an application that uses the BSP with a custom board and I want to use the P0.12 as an input for a button.

For some reason it doesn't detect the input, it always detect 0, pressed or not. In the nrf52DK it works without problem, but after configured the custom board to use that pin, it never detects anything.

I have tried in another pin and works without problem, then why is not working on that pin?

I have also tried another program that use it and works, so the pin is OK.

I'm using soft device 17.1

Thanks in advice!

[Naeem Maroof]

Hi Clake,

Can you send your implementation where it is working and not working as well.

Please describe method to reproduce the error / problem.

Regards,

Naeem

[clake]

Hi Naeem Maroof,

How can I send it to you? because I can't put here the code, is private.

Thanks

[Naeem Maroof]

Please send the minimal code just enough to reproduce the error / problem. 

Otherwise you can mark this case as private and then attach your project.

Please mention the method to reproduce.

[clake]

Thanks for the answer Naeem!

I finally found the error, it was that the input has to be used as a high Z. With the input as PULLDOWN the internal resistance was too small and then the input voltage read was 0,4V and that is why the mcu always read 0.

Best regards!