Dynamically disable I2C

[John]

I'm using NCS V1.5.0 and an nRF52840

The current draw with I2C enabled is around 200 micro amps

If I disable I2C using an overlay and recompile the current draw is around 9 micro amps.

Unfortunately I require I2C, is there a way to disable and enable the interface at runtime under zephyr.

Help would be much appreciated.

[Stian Røed Hafskjold]

Hi, can you please check out my answer here about using the power management API:

https://devzone.nordicsemi.com/f/nordic-q-a/69534/thingy91-power-consumption/286010#286010

It's about uart1 and logging, but you should be able to follow the same principle for the i2c0 (or i2c1)

[John]

Thanks very much for your advice. It helped me understand that I should be actually shutting down the transport mechanism, not the "traffic on the road".