GPIO pin current info

[SKund.1]

When a GPIO pin is connected to power an external device via Magnetic switch, from the STM32 point of view how does it know if the Magnetic switch is ON/OFF?

ON -> Device is powered ON similarly OFF.

Can STM32 detects change in current on GPIO pins?

Any suggestions would be much appreciated.

[waclawek.jan]

There's no provision to measure pin current in STM32. You would need to add your own external circuitry for that.

JW

[SKund.1]

Thanks for clarifying.