usbhost_registry.h 3.4 KB

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  1. /****************************************************************************
  2. * drivers/usbhost/usbdev_registry.h
  3. *
  4. * Copyright (C) 2010 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. #ifndef __DRIVERS_USBHOST_USBHOST_REGISTRY_H
  36. #define __DRIVERS_USBHOST_USBHOST_REGISTRY_H
  37. /****************************************************************************
  38. * Included Files
  39. ****************************************************************************/
  40. #include <nuttx/config.h>
  41. #include <nuttx/usb/usbhost.h>
  42. /****************************************************************************
  43. * Pre-processor Definitions
  44. ****************************************************************************/
  45. /* Configuration ************************************************************/
  46. /****************************************************************************
  47. * Public Types
  48. ****************************************************************************/
  49. /****************************************************************************
  50. * Public Data
  51. ****************************************************************************/
  52. #undef EXTERN
  53. #if defined(__cplusplus)
  54. # define EXTERN extern "C"
  55. extern "C"
  56. {
  57. #else
  58. # define EXTERN extern
  59. #endif
  60. /* g_classregistry is a singly-linked list of class ID information added by
  61. * calls to usbhost_registerclass(). Since this list is accessed from USB
  62. * host controller interrupt handling logic, accesses to this list must be
  63. * protected by disabling interrupts.
  64. */
  65. EXTERN struct usbhost_registry_s *g_classregistry;
  66. /************************************************************************************
  67. * Public Function Prototypes
  68. ************************************************************************************/
  69. #undef EXTERN
  70. #if defined(__cplusplus)
  71. }
  72. #endif
  73. #endif /* #define __DRIVERS_USBHOST_USBHOST_REGISTRY_H */