ir.c 2.1 KB

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  1. /*
  2. * Copyright (C) 2003-2004 by egnite Software GmbH. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. Neither the name of the copyright holders nor the names of
  14. * contributors may be used to endorse or promote products derived
  15. * from this software without specific prior written permission.
  16. *
  17. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18. * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  20. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  21. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  22. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  23. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  24. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  26. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  27. * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28. * SUCH DAMAGE.
  29. *
  30. * For additional information see http://www.ethernut.de/
  31. *
  32. */
  33. /*!
  34. * \file arch/avr/dev/ir.c
  35. * \brief AVR infrared decoder API.
  36. *
  37. * \verbatim
  38. * $Id: ir.c 4706 2012-10-06 17:42:01Z haraldkipp $
  39. * \endverbatim
  40. */
  41. #include <sys/event.h>
  42. /*!
  43. * \addtogroup xgIr
  44. */
  45. /*@{*/
  46. #include <dev/ir.h>
  47. /*!
  48. * \brief Get next infrared code.
  49. *
  50. * \param tmo Timeout in milliseconds.
  51. *
  52. * \return The code received from an infrared decoder or -1 on timeout.
  53. */
  54. long NutIrGet(uint32_t tmo)
  55. {
  56. if (NutEventWait(&nut_irqueue, tmo))
  57. return -1L;
  58. return nut_ircode;
  59. }
  60. /*@}*/