led.h 781 B

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  1. #ifdef ARDUINO_ARCH_ESP32
  2. #ifndef LED_BUILTIN
  3. #define LED_BUILTIN 2
  4. #warning LED_BUILTIN has been defined hopefully on digital pin 2 in this file.
  5. #endif
  6. #define LED_ON LOW
  7. #define LED_OFF HIGH
  8. #else
  9. #define LED_ON HIGH
  10. #define LED_OFF LOW
  11. #endif
  12. #ifndef LED_BUILTIN
  13. #error LED_BUILTIN is undefined! Please define one in this file.
  14. #endif
  15. // C:\Arduino15\hardware\arduino\avr\cores\arduino
  16. void led_init()
  17. {
  18. digitalWrite(LED_BUILTIN, LED_OFF);
  19. pinMode(LED_BUILTIN, OUTPUT);
  20. }
  21. bool led_state()
  22. {
  23. return (digitalRead(LED_BUILTIN) == LED_ON);
  24. }
  25. void led_on()
  26. {
  27. digitalWrite(LED_BUILTIN, LED_ON);
  28. }
  29. void led_off()
  30. {
  31. digitalWrite(LED_BUILTIN, LED_OFF);
  32. }
  33. void led_write(bool state)
  34. {
  35. if (state) led_on(); else led_off();
  36. }
  37. void led_toggle()
  38. {
  39. led_write(!led_state());
  40. }