Files
SC-F001/managed_components/esp-idf-lib__tca95x5/examples/default

What the example does

  • Initializes the driver
  • Configure a pin as input
  • Registers an interrupt that logs port value of the INT pin
  • Blinks, or toggles, P10 output

Wiring

Connect an LED with an appropriate register to P10.

Connect a switch that toggle its voltage HIGH or LOW to INT GPIO. The INT GPIO can be set in menuconfig. See the defaults in Kconfig.projbuild.