esp-idf/examples/peripherals/gpio
..
main
Makefile
README.md

README.md

Example: GPIO

###This test code shows how to configure gpio and how to use gpio interrupt.

####GPIO functions:

  • GPIO18: output
  • GPIO19: output
  • GPIO4: input, pulled up, interrupt from rising edge and falling edge
  • GPIO5: input, pulled up, interrupt from rising edge.

####Test:

  • Connect GPIO18 with GPIO4
  • Connect GPIO19 with GPIO5
  • Generate pulses on GPIO18/19, that triggers interrupt on GPIO4/5