PCA20020 custom based board gpio's

[Ile]

Hello,

I'm trying to make custom board based on Thingy 52.

First problem that I get I want to change gpio's order according to my needs.

I can't not find where in the project for Thingy 52 based on  SDK 13 I can find the gpio's definition.

Second problem is that I want to use external 32.768kHz external Xtal to generate clock.

The current definition is setting up two external pins P0.00 and P0.01 as outputs and not give me chance to generate LFSRC clock, this problem is probably due to the system off state but I you give me sense how to change gpio's, I think I will solve this problem because system off state is exactly defining gpio;s 0.00 and gpios 0.01 as outputs with disconnected floating pins. So far i generate only HFSRC with internal RC oscillator.  

Thank you.

[hmolesworth]

Try looking for stuff like this:

// <0=> RC 
// <1=> XTAL 
// <2=> Synth 
// <131073=> External Low Swing 
// <196609=> External Full Swing 
#ifndef CLOCK_CONFIG_LF_SRC
#define CLOCK_CONFIG_LF_SRC 0
#endif

There is also an nrfx equivalent. In any case you will need CLOCK_CONFIG_LF_SRC to be 1 in order to enable the crystal instead of the port pins as io

[Ile]

Thank you very much, yes that is set, and the crystal is also there connected. Issue is from "system off state" on that gpio's p0.00 and p0.01.