timer.h 2.4 KB

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  1. #ifndef _ARCH_UNIX_TIMER_H_
  2. #define _ARCH_UNIX_TIMER_H_
  3. /*
  4. * Copyright (C) 2001-2005 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. * $Log: timer.h,v $
  36. * Revision 1.2 2006/01/26 15:34:49 going_nuts
  37. * adapted to new interrupt handling scheme for unix emulation
  38. * now uses Unix timer and runs without interrupts unless you emulate other hardware
  39. *
  40. * Revision 1.1 2005/07/26 18:35:10 haraldkipp
  41. * First check in
  42. *
  43. */
  44. /*
  45. * This will need work to individually enable/disable single interrupts
  46. * For now, this feature is not supported.
  47. */
  48. #define NutEnableTimerIrq()
  49. #define NutDisableTimerIrq()
  50. /*
  51. * Previously, the following two setting were used:
  52. * #define NutEnableTimerIrq() NutEnterCritical()
  53. * #define NutDisableTimerIrq() NutExitCritical()
  54. * That doesn't work as our NutEnterCritical() disables all interrupts.
  55. * Anyway, I think it should have been reversed anyway.
  56. */
  57. #endif