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42 regels
1.3 KiB

  1. /*
  2. * wiringShift.h:
  3. * Emulate some of the Arduino wiring functionality.
  4. *
  5. * Copyright (c) 2009-2012 Gordon Henderson.
  6. ***********************************************************************
  7. * This file is part of wiringPi:
  8. * https://projects.drogon.net/raspberry-pi/wiringpi/
  9. *
  10. * wiringPi is free software: you can redistribute it and/or modify
  11. * it under the terms of the GNU Lesser General Public License as published by
  12. * the Free Software Foundation, either version 3 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * wiringPi is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU Lesser General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU Lesser General Public License
  21. * along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
  22. ***********************************************************************
  23. */
  24. #define LSBFIRST 0
  25. #define MSBFIRST 1
  26. #ifndef _STDINT_H
  27. # include <stdint.h>
  28. #endif
  29. #ifdef __cplusplus
  30. extern "C" {
  31. #endif
  32. extern uint8_t shiftIn (uint8_t dPin, uint8_t cPin, uint8_t order) ;
  33. extern void shiftOut (uint8_t dPin, uint8_t cPin, uint8_t order, uint8_t val) ;
  34. #ifdef __cplusplus
  35. }
  36. #endif