alex/esp-idf
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esp-idf/examples/peripherals/gpio
History
Michael (XIAO Xufeng) 75f856ac37 example: fixed the issue that config struct is not properly initialized
2022-03-25 01:11:55 +08:00
..
main example: fixed the issue that config struct is not properly initialized 2022-03-25 01:11:55 +08:00
CMakeLists.txt cmake: make main a component again 2018-09-11 09:44:12 +08:00
Makefile Moved examples to new folders / categories. Removed example numbers from example names 2017-01-16 23:08:35 +01:00
README.md Fix markdown and format of GPIO example README 2017-11-07 20:27:10 +01:00

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