utils.h 2.4 KB

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  1. #ifndef _UTILS_H
  2. #define _UTILS_H
  3. /*
  4. * Copyright (C) 2003-2005 by egnite Software GmbH. All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. *
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. * 3. Neither the name of the copyright holders nor the names of
  16. * contributors may be used to endorse or promote products derived
  17. * from this software without specific prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
  20. * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  22. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
  23. * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  24. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  26. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  29. * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30. * SUCH DAMAGE.
  31. *
  32. * For additional information see http://www.ethernut.de/
  33. *
  34. */
  35. /*
  36. * $Log$
  37. * Revision 1.1 2005/11/03 15:14:27 haraldkipp
  38. * First import.
  39. *
  40. */
  41. #include "types.h"
  42. extern void MicroDelay(u_short nops);
  43. extern void Delay(u_char val);
  44. extern void memset_(u_char *dst, u_char val, u_char len);
  45. extern void memcpy_(u_char *dst, const u_char *src, u_char len);
  46. /*!
  47. * \brief Convert short value from host to network byte order.
  48. */
  49. #define htons(x) __byte_swap2(x)
  50. /*!
  51. * \brief Convert long value from host to network byte order.
  52. */
  53. #define htonl(x) __byte_swap4(x)
  54. /*!
  55. * \brief Convert short value from network to host byte order.
  56. */
  57. #define ntohs(x) __byte_swap2(x)
  58. /*!
  59. * \brief Convert long value from network to host byte order.
  60. */
  61. #define ntohl(x) __byte_swap4(x)
  62. extern u_short __byte_swap2(u_short val);
  63. extern u_long __byte_swap4(u_long val);
  64. #endif